Wikipedia:NAVNOREDIRECT

This page documents an English Wikipedia editing guideline.

It is a generally accepted standard that editors should attempt to follow, though it is best treated with common sense, and occasional exceptions may apply. Any substantive edit to this page should reflect consensus. When in doubt, discuss first on the talk page.

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This page in a nutshell: Redirects aid navigation and searching by allowing a page to be reached under alternative titles.

An example of a redirect on the MinervaNeue skin, from Web redirect to URL redirection. Note the black message bar on the bottom.

A redirect is a page that automatically sends visitors to another page, usually an article or section of an article. For example, if you type "UK" in the search box or click on the wikilink UK, you will be taken to the article United Kingdom with a note at the top of the page (or on mobile, in a black message bar at the bottom): "(UK ka di tom m-bahina)". This is because the page UK contains special wikitext that defines it as a redirect page and indicates the target article. It is also possible to redirect to a specific section of the target page, using more advanced syntax.

Redirect pages can contain other content below the redirect, such as redirect category templates, and category links (which provide a way to list article sections in categories).

Redirects are used to help people arrive more quickly at the page they want to read; this page contains guidance on how to use them properly. For technical help relating to how redirects work, see Help:Redirect. Other relevant pages are Wikipedia:Double redirects, Wikipedia:Hatnote § Redirect and WikiProject Redirect.

Purposes of redirects

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Reasons for creating and maintaining redirects include:

Alternative names redirect to the most appropriate article title (for example, Edson Arantes do Nascimento redirects to Pelé).
Plurals (for example, Greenhouse gases redirects to Greenhouse gas).
Closely related words (for example, Symbiont redirects to Symbiosis).
Adjectives or adverbs point to noun forms (e.g., Treasonous redirects to Treason)
Less specific forms of names, for which the article subject is still the primary topic. For example, Einstein redirects to Albert Einstein, whereas Albert is a disambiguation page rather than a redirect, since no Albert is regarded as the primary topic for that name.
More specific forms of names (for example, Articles of Confederation and Perpetual Union redirects to Articles of Confederation).
Abbreviations and initialisms (for example, ADHD redirects to Attention deficit hyperactivity disorder). But often an abbreviation will have multiple meanings, none of which is a primary topic—in that case a disambiguation page should be created rather than a redirect.
Alternate forms of a name as found in reliable sources and common databases. For example, Cellular and Molecular Life Sciences : CMLS redirects to Cellular and Molecular Life Sciences, based on its PUBMED entry.
Alternative spellings or punctuation. For example, Colour redirects to Color, and Al-Jazeera redirects to Al Jazeera.
Stylized forms of names. For example, Ty Dolla $ign redirects to Ty Dolla Sign.
Punctuation issues—some titles containing dashes should have redirects using hyphens, and vice versa. The proper title depends on official spelling (in the case of a name, such as Olivia Newton-John), or established Wikipedia policy and naming conventions (such as Spanish–American War).
Representations using ASCII characters; that is, common transliterations (for example, Pele also redirects to Pelé, while Kurt Goedel and Kurt Godel redirect to Kurt Gödel).
Likely misspellings (for example, Condoleeza Rice redirects to Condoleezza Rice). Note: this criterion typically does not apply to redirects from typos in the template namespace; consensus is that such typos, unless they are very common, should remain as red links until they are fixed.
Likely mixed-up technical names (for example, Oxygen chloride redirects to Chlorine oxide).
Likely alternative capitalizations (for example, Natural Selection redirects to Natural selection). This is not necessary for user searches made via Wikipedia's search engine, but may aid linking from other articles and external sites, as well as direct URL entry.
To comply with the maintenance of nontrivial edit history, pursuant to Wikipedia:Merging#PROMERGE for copyright licensing requirements.
Subtopics or other topics that are described or listed within a wider article. (Such redirects are often targeted to a particular section of the article.)

Tɛmplet:Short

Redirects to disambiguation pages that do not contain "(disambiguation)" in the title (for example, Durham (disambiguation) redirects to Durham). These help maintenance by allowing deliberate links to disambiguation pages to be distinguished from links that need to be disambiguated.
Shortcuts (for example, WP:V and Wikipedia:V redirect to Wikipedia:Verifiability). This is commonly done in project space, but not in article space.
Old-style CamelCase links (if already in existence) (AnnaKournikova redirects to Anna Kournikova).
Links auto-generated from Exchangeable image file format information (Adobe Photoshop CS Windows redirects to Adobe Photoshop).
Finding what links to a section, when links are made to the redirect rather than the section.

There are redirect templates to explain the reason for a redirect.

Note that redirects to other Wikimedia wikis, other websites, special pages, or direct file links (Media: namespace) do not work. These should be avoided or replaced with a {{soft redirect}} template. Soft redirects are also used in category space (using the {{category redirect}} template). Redirects from list titles to categories (e.g. a redirect from [[List of things]] to [[Category:Things]]) are highly discouraged.^[1]

How to make a redirect

Editing the source directly

To create a basic redirect using the source editor, type #REDIRECT [[target page name here]] as the only text on the page. The capitalization of the word REDIRECT doesn't matter. For instance, if you were redirecting from "UK" to "United Kingdom", this would be the entire body of the "UK" page:

#REDIRECT [[United Kingdom]]

Using VisualEditor

To create a redirect using the VisualEditor:

Open the "page options" menu (icon with three parallel horizontal bars) at the top right of the editor
Select "Page settings"
Check the box marked "Redirect this page to"
Enter the name of the target page in the text box below the checkbox
Click on the blue "Apply changes" button
Save the page. You may enter an edit summary, or an automatic summary will be generated.

When moving a page

Redirects can also be automatically created when you move (rename) an existing page.

Requesting a redirect

If you can't create pages, you can request redirects at Wikipedia:Redirect wizard.

How to edit a redirect or convert it into an article

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Sometimes an existing redirect should really be handled by a full article, per Category:Redirects with possibilities. For example, the name of a notable musician (who does not yet have an article) may instead be a redirect to an existing article about a band of which the musician is a member. In this case, you can edit the redirect to make it into an article. Also, if an existing redirect points to the wrong page, you can edit the redirect to point to a different page.

If you want to edit a redirect page you must use a special technique in order to get to the redirect page itself. This is because when you try to go straight to the redirect page and edit it, the redirect page will automatically redirect you to its target page (because this is what a redirect page is meant to do). Below is an example of why you might need to go to a redirect page itself (to do a small edit) and how to actually get there.

For example, say Trygve Halvdan Lie did not have his own article, and so this link was a redirect to the page Secretary-General of the United Nations. If, later on, the page Trygve Lie was created as a biography, the page Trygve Halvdan Lie should be changed to redirect to Trygve Lie per WP:COMMONNAME. To do this, go to the redirect page by clicking the existing redirect note on the target page, which in this case would read "(Redirected from Tɛmplet:-r)". Once there, you may click the "Edit" tab, and change the page from

#REDIRECT [[Secretary-General of the United Nations]]

to

#REDIRECT [[Trygve Lie]]

When adding or changing a redirect, always verify the links that already point there. For instance, if another person named Trygve Lie becomes very well known, it would make sense to make Trygve Lie a redirect to his page (after renaming the existing Trygve Lie page). Such a change cannot be made without changing all the preexisting links to Trygve Lie; these links can be found by clicking on What links here in the left hand menu. Also, when changing the target of a redirect verify that its talk page is not also a redirect and if it is, either retarget it to the current target's talk page, replace the redirect with {{talk page of redirect}} or if you turned the redirect into an article, remove it entirely unless WP:TALKCENT applies.

Targeted and untargeted redirects

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Most redirects are untargeted, i.e. they lead simply to a page, not to any specific section of the page. This is usually done when there is more than one possible name under which an article might be sought (for example, Cellphone redirects to the article Mobile phone). For deciding which should be the actual title of the article, see WP:Article titles.

It is also possible to create a targeted redirect, i.e. a redirect to a particular point on the target page—either a section header or an anchor. For example, the page Malia Obama contains the code #REDIRECT [[Family of Barack Obama#Malia and Sasha Obama]], which redirects to the Malia and Sasha Obama section in the article Family of Barack Obama. Therefore, entering Malia Obama will bring the searcher straight to the content that deals with "Malia and Sasha Obama".

Consider that when the target page is displayed, it is likely that the top of the page will not be shown, so the user may not see the helpful "(redirected from... )" text unless they know to scroll back to the top. This is less likely to cause confusion if the redirect is to a heading with the same name as the redirect.

The text given in the link on a targeted redirect page must exactly match the target section heading or anchor text, including capitalization and punctuation. (While spaces and underscores are interchangeable in the current implementation of the MediaWiki software, it is generally good practice and aids maintenance to use exactly the same spelling in links as is used in the corresponding targets also for these characters.) (In the absence of a match, the reader will simply be taken to the top of the target page.) It is often helpful to leave a hidden comment in the target text, to inform other editors that a section title is linked, so that if the title is altered, the redirect can be changed. For example:

 == Vaccine overload ==
 <!-- "Vaccine overload" redirects here. -->

To ensure that a redirect will not break if a section title gets altered, or to create a redirect to a point on the page other than a section heading, create an explicit target anchor in the page, e.g., by using the {{anchor}} template. Alternative anchors for section headings are ideally placed directly after the name of the heading (but before the closing equals signs):

== Section title {{subst:Anchor|anchor name}} ==

Substitution ({{subst:Anchor}}) is preferable to simply using {{Anchor}} because otherwise, when the section is edited via its own "[ edit ]" link, the anchor markup and alternative section title(s) will appear as undesirable clutter at the beginning of revision history entries. See MOS:RENAMESECTION for further discussion of this.

The anchor text will not be visible on the page, but it will serve as a permanent marker of that place on the page. Editors should generally not remove or alter such anchors without checking all incoming links and redirects. If several logically independent aspects of a topic are discussed under a single section header and should be linked to, it is sometimes useful to define separate anchors for them, if the current amount of information doesn't justify a division into multiple sections already. This makes it easier to rearrange contents on a page as it develops since those anchors can be moved with their corresponding contents without a need to fix up incoming links.

For example, in the Google Search article, the text {{anchor|calculator}} is placed at the point where Google Calculator is discussed. The title Google Calculator can then be redirected to Google Search#calculator.

When a section title is known to be the target of incoming links, the Wikipedia Manual of Style suggests creating a redundant anchor with the same name as the section title, so that such links will continue to work even if someone renames the section without creating an anchor with the old name. Technically, the redundant section and anchor names result in invalid HTML.^[2] However, when a document contains multiple tags with the same id value, browsers are required to return the first one, so in practice, this is not a problem.^[3]

Be careful with anchor capitalization, as redirects are case-sensitive in standards-compliant browsers.^[4] Tɛmplet:Talkref

Double redirects

The software will not follow chains of more than one redirect—this is called a double redirect. A redirect should not be left pointing to another redirect page.

Double redirects often arise after a page is moved (renamed)—after moving a page, check whether there are any redirects to the old title (using the link on the move result page, or using "What links here"), and change them to redirect straight to the new title. Double redirects are usually fixed by a bot in a few days; however, an editor should not leave behind any self-created double redirects.

Linking to a redirect

You can link to a redirect page just as you can link to an article page by placing the redirect page name within a set of double brackets, such as:

[[Redirect page name]]

replacing Redirect page name with the name of the redirect page to link.

To link to a redirect page without following the underlying redirect, use: {{No redirect|Redirect page name}} replacing Redirect page name with the name of the redirect page to link. Clicking on a no-redirect link will send the reader to the redirect page rather than the final redirect destination.

Categorizing redirect pages

Most redirect pages are not placed in article categories. There are three types of redirect categorization that are helpful and useful:

Maintenance categories are in use for particular types of redirects, such as Category:Redirects from initialisms, in which a redirect page may be sorted using the {{R from initialism}} template. One major use of these categories is to determine which redirects are fit for inclusion in a printed subset of Wikipedia. for functional and alphabetical lists of these templates. A brief functional list of redirect category (rcat) templates is also found in the {{R template index}} navbar.
Tɛmplet:Short Sometimes a redirect is placed in an article category because the form of the redirected title is more appropriate to the context of that category, e.g. Honey Lantree redirects to the band article The Honeycombs, but the redirect is placed in Category:1943 births and other categories which relate to Lantree as an individual. (Redirects appear in italics in category listings.)
Discussion pages. If a discussion/talk page exists for a redirect, please ensure (1) that the talk page's WikiProject banners are tagged with the "class=Redirect" parameter and (2) that the talk page is tagged at the TOP with the {{Talk page of redirect}} template. If the discussion page is a redirect, then it may be tagged with appropriate redirect categorization templates (rcats).

Redirects from moves

When a page is renamed/moved, a redirect that is titled with the replaced page name is created and is automatically tagged with the {{R from move}} template. This sorts the redirect into Category:Redirects from moves.

When should we delete a redirect?

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WP:R#CRD

To delete a redirect without replacing it with a new article, list it on redirects for discussion. See the WP:Deletion policy for details on how to nominate pages for deletion.

Listing is not necessary if you just want to replace a redirect with an article, or change where it points (see these instructions for help doing this). If you want to swap a redirect and an article, but are not able to move the article to the location of the redirect, please use Wikipedia:Requested moves to request help from an admin in doing that.

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WP:RHARMFUL

The major reasons why deletion of redirects is harmful are:

a redirect may contain non-trivial edit history;
if a redirect is reasonably old (or is the result of moving a page that has been there for quite some time), then it is possible that its deletion will break incoming links (such links coming from older revisions of Wikipedia pages, from edit summaries, from other Wikimedia projects or from elsewhere on the internet, do not show up in "What links here").

Therefore consider the deletion only of either harmful redirects or of recent ones.

Reasons for deleting

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You might want to delete a redirect if one or more of the following conditions is met (but note also the exceptions listed below this list):

The redirect page makes it unreasonably difficult for users to locate similarly named articles via the search engine. For example, if the user searches for "New Articles", and is redirected to a disambiguation page for "Articles", it would take much longer to get to the newly added articles on Wikipedia.
The redirect might cause confusion. For example, if "Adam B. Smith" was redirected to "Andrew B. Smith", because Andrew was accidentally called Adam in one source, this could cause confusion with the article on Adam Smith, so the redirect should be deleted.
The redirect is offensive or abusive, such as redirecting "Joe Bloggs is a Loser" to "Joe Bloggs" (unless "Joe Bloggs is a Loser" is legitimately discussed in the article), or "Joe Bloggs" to "Loser". (Speedy deletion criterion G10 and G3 may apply.) See also § Neutrality of redirects.
The redirect constitutes self-promotion or spam. (Speedy deletion criterion G11 may apply.)
The redirect makes no sense, such as redirecting "Apple" to "Orange". (Speedy deletion criterion G1 may apply.)
It is a cross-namespace redirect out of article space, such as one pointing into the User or Wikipedia namespace. The major exception to this rule are the pseudo-namespace shortcut redirects, which technically are in the main article space. Some long-standing cross-namespace redirects are also kept because of their long-standing history and potential usefulness. "MOS:" redirects, for example, are an exception to this rule. (Note also the existence of namespace aliases such as WP:. Speedy deletion criterion R2 may apply if the target namespace is something other than Category:, Template:, Wikipedia:, Help:, or Portal:.)
If the redirect is broken, meaning it redirects to an article that does not exist, it can be immediately deleted under speedy deletion criterion G8. You should check that there is not an alternative place it could be appropriately redirected to first and that it has not become broken through vandalism.
If the redirect is a novel or very obscure synonym for an article name that is not mentioned in the target, it is unlikely to be useful. In particular, redirects in a language other than English to a page whose subject is unrelated to that language (or a culture that speaks that language) should generally not be created. (Implausible typos or misnomers are candidates for speedy deletion criterion R3, if recently created.)
If the target article needs to be moved to the redirect title, but the redirect has been edited before and has a history of its own, then the title needs to be freed up to make way for the move. If the move is uncontroversial, tag the redirect for G6 speedy deletion, or alternatively (with the suppressredirect user right; available to page movers and admins), perform a round-robin move. If not, take the article to Requested moves.
If the redirect could plausibly be expanded into an article, and the target article contains virtually no information on the subject.

Reasons for not deleting

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However, avoid deleting such redirects if:

They have a potentially useful page history, or an edit history that should be kept to comply with the licensing requirements for a merge (see Wikipedia:Merge and delete). On the other hand, if the redirect was created by renaming a page with that name, and the page history just mentions the renaming, and for one of the reasons above you want to delete the page, copy the page history to the Talk page of the article it redirects to. The act of renaming is useful page history, and even more so if there has been discussion on the page name.
They would aid accidental linking and make the creation of duplicate articles less likely, whether by redirecting a plural to a singular, by redirecting a frequent misspelling to a correct spelling, by redirecting a misnomer to a correct term, by redirecting to a synonym, etc. In other words, redirects with no incoming links are not candidates for deletion on those grounds because they are of benefit to the browsing user. Some extra vigilance by editors will be required to minimize the occurrence of those frequent misspellings in the article texts because the linkified misspellings will not appear as broken links; consider tagging the redirect with the {{R from misspelling}} template to assist editors in monitoring these misspellings.
They aid searches on certain terms. For example, users who might see the "Keystone State" mentioned somewhere but do not know what that refers to will be able to find out at the Pennsylvania (target) article.
Deleting redirects runs the risk of breaking incoming or internal links. For example, redirects resulting from page moves should not normally be deleted without good reason. Links that have existed for a significant length of time, including CamelCase links (e.g. WolVes) and old subpage links, should be left alone in case there are any existing links on external pages pointing to them. See also Wikipedia:Link rot § Link rot on non-Wikimedia sites.
Someone finds them useful. Hint: If someone says they find a redirect useful, they probably do. You might not find it useful—this is not because the other person is being untruthful, but because you browse Wikipedia in different ways. Evidence of usage can be gauged by using the wikishark or pageviews tool on the redirect to see the number of views it gets.
The redirect is to a closely related word form, such as a plural form to a singular form.

Neutrality of redirects

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WP:RNEUTRAL

Just as article titles using non-neutral language are permitted in some circumstances, so are such redirects. Because redirects are less visible to readers, more latitude is allowed in their names, therefore perceived lack of neutrality in redirect names is not a sufficient reason for their deletion. In most cases, non-neutral but verifiable redirects should point to neutrally titled articles about the subject of the term. Non-neutral redirects may be tagged with {{R from non-neutral name}}.

Non-neutral redirects are commonly created for three reasons:

Articles that are created using non-neutral titles are routinely moved to a new neutral title, which leaves behind the old non-neutral title as a working redirect (e.g. Climategate → Climatic Research Unit email controversy).
Articles created as POV forks may be deleted and replaced by a redirect pointing towards the article from which the fork originated (e.g. Barack Obama Muslim rumor → deleted and now redirected to Barack Obama religion conspiracy theories).
The subject matter of articles may be represented by some sources outside Wikipedia in non-neutral terms. Such terms are generally avoided in Wikipedia article titles, per the words to avoid guidelines and the general neutral point of view policy. For instance the non-neutral expression "Attorneygate" is used to redirect to the neutrally titled Dismissal of U.S. attorneys controversy. The article in question has never used that title, but the redirect was created to provide an alternative means of reaching it because a number of press reports use the term.

The exceptions to this rule would be redirects that are not established terms and are unlikely to be useful, and therefore may be nominated for deletion, perhaps under deletion reason #3. However, if a redirect represents an established term that is used in multiple mainstream reliable sources, it should be kept even if non-neutral, as it will facilitate searches on such terms. Please keep in mind that RfD is not the place to resolve most editorial disputes.

What needs to be done on pages that are targets of redirects?

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Wikipedia follows the "principle of least astonishment"; after following a redirect, the reader's first question is likely to be: "Hang on ... I wanted to read about this. Why has the link taken me to thatTɛmplet:-?" Make it clear to the reader that they have arrived in the right place.

Normally, we try to make sure that all "inbound redirects" other than misspellings or other obvious close variants of the article title are mentioned in the first couple of paragraphs of the article or section to which the redirect goes. It will often be appropriate to boldface the redirected term at its first occurrence in the target, though insignificant or minor redirects can skip this. For example:

Alice Bradley Sheldon (August 24, 1915 – May 19, 1987) was an American science fiction and fantasy author better known as James Tiptree Jr. ...
- James Tiptree Jr., redirects from Alice Sheldon

If the redirected term could have other meanings, a hatnote (examples) should be placed at the top of the target article or targeted section that will direct readers to the other meanings or to a relevant disambiguation page. This is usually done using one of the redirect disambiguation templates (examples).

It may also be helpful to search the List of Categories for related terms.

Redirects that replace previous articles

Tɛmplet:Short

Removing all content in a problematic article and replacing it with a redirect is common practice, known as blank-and-redirect. If other editors disagree with this blanking, its contents can be recovered from page history, as the article has not been deleted. If editors cannot agree, the content issues should be discussed at the relevant talk page, and other methods of dispute resolution should be used, such as restoring the article and nominating the article for Wikipedia:Articles for deletion.^[5]

To make it easier for other editors to find the history of the blanked article, it's good practice to add a short notice at the talk page of the target article, even if no content has been merged there. This is especially useful if the blanked article had few visits and infrequent edits. If the redirect replaces an article that has been deleted by an administrator, this notice is the only way for editors to know that a previous version of the article existed at all.

Template notices that can be used with this practice:

{{Blank and redirect notice}}
{{Uw-blar}}

Tɛmplet:Talkref

Content of the replaced article

The template {{R with history}} should be added to the resulting redirect. If the topic of the article can be reasonably thought to describe a notable topic, mark the redirect with the template {{Redirect with possibilities}} to indicate that it could be expanded in the future. You may also consider turning the article into a stub by removing all unsourced content and keeping the valid references, instead of blanking it.

Note that certain forms of blanking are not allowed.

Illegitimate blanking of valid content without reason is considered vandalism, a form of disruptive editing. Other forms of blank-and-redirect, although not vandalism, are still undesirable. If you want to rename the article by cutting and pasting text to a new article with a different title, you should instead move the page with the Move option. If you want to keep some content from the blanked article and add it to the target article, you should follow the instructions at Wikipedia:Merging § How to merge. Both processes will create proper links to the edit history, which is required by the Wikipedia license for legal reasons to preserve attribution of content to its authors.

Do not "fix" links to redirects that are not broken

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There is usually nothing wrong with linking to redirects to articles. Some editors are tempted, upon finding a link to a redirect page, to bypass the redirect and point the link directly at the target page. However, changing to a piped link is beneficial only in a few cases. Piping links solely to avoid redirects is generally a time-wasting exercise that can actually be detrimental. It is almost never helpful to replace [[redirect]] with [[target|redirect]].

That is, editors should not change, for instance, [[Franklin Roosevelt]] to [[Franklin D. Roosevelt]] or [[Franklin D. Roosevelt|Franklin Roosevelt]] just to "fix a redirect". However, it is perfectly acceptable to change it to [[Franklin D. Roosevelt]] if for some reason it is preferred that "Franklin D. Roosevelt" actually appear in the visible text. Editors should also not change redirects with possibilities like [[Journal of the Franklin Institute]] to [[Franklin Institute#Journal of the Franklin Institute|Journal of the Franklin Institute]], so that readers arrive at the more pertinent article in the eventuality that it is created.

Reasons not to bypass redirects include:

Redirects can indicate possible future articles .
Introducing unnecessary invisible text makes the article more difficult to read in page source form.
Non-piped links make better use of the "what links here" tool, making it easier to track how articles are linked and helping with large-scale changes to links.
Shortcuts or redirects to embedded anchors or sections of articles or of Wikipedia's advice pages should never be bypassed, as the anchors or section headings on the page may change over time. Updating one redirect is far more efficient than updating dozens of piped links. (The Rdcheck tool is extremely useful in such cases for finding which redirects need to be changed after an article is updated.)
Intentional links to disambiguation pages always use the title with "(disambiguation)", even if that is a redirect.
If editors persistently use a redirect instead of an article title, it may be that the article needs to be moved rather than the redirect changed. As such the systematic "fixing of redirects" may eradicate useful information that can be used to help decide on the "best" article title.

Good reasons to bypass redirects include:

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It is usually preferable not to use redirected links in navigational templates, such as those found at the bottom of many articles (e.g., {{US presidents}} at the end of George Washington). When a template is placed on an article and contains a direct link to the same article (rather than a redirect), the direct link will display in bold (and not as a link), making it easier to navigate through a series of articles using the template. There are exceptions to this exception: where a redirect represents a distinct sub-topic within a larger article and is not merely a variant name, it is preferable to leave the redirect in the template.
It may be appropriate to make this kind of change if the hint or tooltip that appears when a user hovers over the link is misleading .
Spelling errors and other mistakes should be corrected. Don't link to a misspelled redirect. This does not necessarily mean that the misspelled redirect should be deleted .
Links on disambiguation pages.
Radio and TV station call letters, since call letters given up by one station can be used later by a different station.
In other namespaces, particularly the template and portal namespaces in which subpages are common, any link or transclusion to a former page title that has become a redirect following a page move or merge should be updated to the new title for naming consistency.
Links on the Main Page, to avoid stealthy vandalism by retargeting high-traffic redirects. Main Page links that point to an article section should utilise a section link.

Self-redirects

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WP:SELFRED

Avoid linking to titles that redirect straight back to the page on which the link is found. This situation may arise if a redirect is created from a red link on the page, or if the title was once a separate page but was merged.

However, linking to a title that redirects to a section or anchor within the article (redirects with {{R to section}} or {{R to anchor}}) is acceptable, as it facilitates navigation in particular on long articles that cannot be viewed all at once on an average-sized computer screen. In addition to readability benefits, when such redirects are marked with {{R with possibilities}}, they have the potential to become independent articles in the future. However, consider using section links instead, when such redirects do not already exist.

Template redirects

A template can be redirected to another template in the same way, e.g., by entering the following markup at the top of a template T2:

#REDIRECT [[Template:T1]]

This allows the template name T2 to be used instead of the actual template name T1. All the parameters of T1 will be respected by T2.

A redirect categorisation (rcat) template such as {{R from move}} may be added to T2 (on the third line below the #REDIRECT line) as follows:

#REDIRECT [[Template:T1]]

{{Redirect category shell|
{{R from move}}
}}

While template shortcut/alias redirects are common, they may infrequently cause confusion and make updating template calls more complicated. For example, if calls to T1 are to be changed to some new template NT1, articles must be searched for {{T1}} and a separate search must also be made for each of its aliases (including T2 in this example). Moreover, changes to syntax, corrections, scans and other processes (for example tag dating) must take into account all applicable redirects.

Redirect protection

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Sometimes, a redirect to an article pertaining to a very controversial topic will be fully or, more rarely, semi-protected indefinitely. This is done when any of the following criteria are met:

There is no reason for it to be edited
It is frequently expanded into whole articles
It is an obvious vandalism target
It redirects and/or refers to a very controversial topic

Redirects that are protected include Obama, Hitler, and 9/11. Soft redirects that are protected include obvious vandalism targets like dumbass.

Redirects in other namespaces may be protected for technical reasons or are protected under existing guidelines. For example, a template redirect (shorthand) used thousands of times qualifies it as a highly visible template, eligible for template protection.

Category redirects

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WP:R#CATEGORY

Do not create inter-category redirects, by adding a line #REDIRECT [[:Category:target category]] to a category page. Articles added to a "redirected" category do not show up in the target category, preventing proper categorization. What's worse, since redirected categories do not become "red links", editors won't be aware even when they add an article to a redirected category.

For an attempt to fix this issue in MediaWiki, see T5311.

Instead, "soft" redirects are used. It can be created by placing {{Category redirect|target}} in the category page. See WP:Categories for discussion § Redirecting categories.

If you need to add an rcat to a {{Category redirect}}, use the template's second parameter. For example, {{Category redirect | Years of the 19th century in Ceylon | {{R from category navigation}} {{R from template-generated category}} }}

Module redirects

It is possible to redirect a module, however it uses a different syntax. To redirect Module:A to Module:B, add the line return require [[Module:B]] to Module:A. Module XNRs however, use the regular syntax, see Tɛmplet:-r (permalink).

Suppressing redirects

Shortcut

WP:R#SUPPRESS

When a page is moved, a redirect is automatically left behind. Some groups of users (those who possess a suppressredirect right) have the ability to prevent the redirect being created, by unchecking the box labelled "Leave a redirect behind." Currently these groups are administrators, bots, page movers, and global rollbackers. In some circumstances, a page should be moved, but a redirect from its current name is inappropriate, such as reverting page-move vandalism. Suppressing the redirect can avoid an extra action (page removal) and save time in these cases.

However, in general, the redirect will be a useful entry in the history, and it is best to leave it behind, unless there is a good reason to suppress the redirect, such as vandalism, userfying recently created malplaced items or freeing a title to be occupied immediately by another page (e.g., moving term to accurate term and term (disambiguation) to term). Redirects leave a trail to help readers find the old article, in case a new article is created at its previous location, and to prevent linkrot. Therefore, we usually neither suppress nor delete redirects. As Brion Vibber said, "Not breaking links helps everyone, especially us first and foremost". He also said that the removal of (file) redirects is "extremely user-hostile and makes the project less useful".

Technical notes

A Wikipedia redirect is not the same as an HTTP redirect—it does not generate an HTTP 302 (or other 30x) response. Instead, a page with almost the same content as the target of the redirect is generated by the MediaWiki software, differing in that a small-text note appears below the title of the page, identifying the name of the redirect used to get there (and linking to it in such a way that it can be accessed without the redirect, e.g. so it can be changed). When a user clicks on a redirect such as housecat, the page URL initially will be https://en.wikipedia.org/wiki/Housecat, but the URL shown by the browser will change to https://en.wikipedia.org/wiki/Cat after the page loads.

On one hand, this allows links like housecat#Anatomy to work as expected, but it also requires redirects to anchors to be implemented as a piece of JavaScript that jumps to an appropriate section after the page has loaded. For example, second-stage boot loader, which is rendered as the URL https://en.wikipedia.org/wiki/Second-stage_boot_loader, is a page defined as a #REDIRECT to Booting#SECOND-STAGE. "SECOND-STAGE", in this case, is a manually defined anchor (using the markup "=== Second-stage boot loader === {{anchor|SECOND-STAGE}}") that will persist even if the section is renamed. However, whether a redirect points to a manually defined anchor, or an anchor defined implicitly via a section name, the behavior will be the same: the page will automatically be scrolled down to the pointed-to anchor only after the page finishes loading (at which point the URL bar will also change to reflect the redirected-to URL, including "#anchor" portion, rather than the redirected-from URL).

Wikipedia:NAVNOREDIRECT

Purposes of redirects

How to make a redirect

Editing the source directly

Using VisualEditor

When moving a page

Requesting a redirect

How to edit a redirect or convert it into an article

Targeted and untargeted redirects

Double redirects

Linking to a redirect

Categorizing redirect pages

Redirects from moves

When should we delete a redirect?

Reasons for deleting

Reasons for not deleting

Neutrality of redirects

What needs to be done on pages that are targets of redirects?

Redirects that replace previous articles

Content of the replaced article

Do not "fix" links to redirects that are not broken

Self-redirects

Template redirects

Redirect protection

Category redirects

Module redirects

Suppressing redirects

Technical notes

See also