This page lists tracking categories which are automatically populated by the MediaWiki software. Their names can be changed by altering the relevant system messages in the MediaWiki namespace. See Category:Tracking categories for tracking categories made by the English Wikipedia, usually added by templates.

Tracking category Message name Category inclusion criteria
Articles with missing files(empty), Pages with missing files(3 C, 89,926 P, 162 F), Templates with missing files(1 P)broken-file-categoryThe page contains a broken file link (a link to embed a file when the file does not exist).
Articles using duplicate arguments in template calls(5 P), Pages using duplicate arguments in template calls(1 C, 348 P)duplicate-args-categoryThe page contains template calls that use duplicates of arguments, such as ((foo|bar=1|bar=2)) or ((foo|bar|1=baz)).
Pages where expansion depth is exceeded(4 P)expansion-depth-exceeded-categoryThe page exceeds the maximum expansion depth.
Pages with too many expensive parser function calls(238 P)expensive-parserfunction-categoryThe page uses too many expensive parser functions (like #ifexist). See Manual:$wgExpensiveParserFunctionLimit.
Hidden categories(35,253 C)hidden-category-categoryThe category contains __HIDDENCAT__ in its page content, which prevents it from showing up in the category links box on pages by default.
Indexed pages(609 P, 1 F)index-categoryThe page has a __INDEX__ on it (and is in a namespace where that flag is allowed), and hence is indexed by robots where it normally wouldn't be.
Pages where node count is exceeded(5 P)node-count-exceeded-categoryThe page exceeds the maximum node count.
Noindexed pages(53,078 C, 2,509,116 P, 751,678 F)noindex-categoryThe page is not indexed by robots because it has the magic word __NOINDEX__ on it and is in a namespace where that flag is allowed.
Pages with non-numeric formatnum arguments(1 C, 41,400 P)nonnumeric-formatnumThe page contains a non-numeric argument to the formatnum parser function.
Pages containing omitted template arguments(355 P)post-expand-template-argument-categoryThe page is bigger than $wgMaxArticleSize after expanding a template argument (something in triple braces, like (({Foo))}).
Pages where post-expand include size is exceeded(1,591 P)post-expand-template-inclusion-categoryThe page size is bigger than $wgMaxArticleSize after expanding all the templates, so some templates were not expanded.
Pages with disallowed DISPLAYTITLE modifications(5,840 P)restricted-displaytitle-ignoredThe page has an ignored ((DISPLAYTITLE)) because it is not equivalent to the page's actual title.
Pages which use a template in place of a magic word(1 P)template-equals-categoryThe page contains ((=)) but on this wiki that does not expand to =. This usage is deprecated; a future MediaWiki version will implement ((=)) as a parser function.
Pages with template loops(2 P)template-loop-categoryThe page contains a template loop, ie. a template which calls itself recursively.
Pages where the unstrip depth limit is exceeded(empty)unstrip-depth-categoryThe page exceeds the unstrip depth limit.
Pages where the unstrip size limit is exceeded(3 P)unstrip-size-categoryThe page exceeds the unstrip size limit.
Pages using the EasyTimeline extension(18 C, 17,221 P)timeline-tracking-categoryThe page includes a <timeline> tag
Pages using the WikiHiero extension(2,391 P)wikhiero-usage-tracking-categoryThis category is automatically added to pages that use WikiHiero extension
Pages with reference errors(2 C, 1,399 P), Talk pages with reference errors(10,473 P), User pages with reference errors(32,551 P)cite-tracking-category-cite-errorPages in this category have errors in the usage of references tags.
Pages with syntax highlighting errors(1,165 P, 1 F)syntaxhighlight-error-categoryThere was an error when attempting to highlight code included on the page.
Pages using deprecated enclose attributes(3 P)syntaxhighlight-enclose-categoryThe syntaxhighlighting on the page uses deprecated enclose syntax.
Pages using deprecated source tags(454 P)syntaxhighlight-source-categoryThe syntaxhighlighting on the page uses deprecated source tags.
Pages transcluding nonexistent sections(86 P)lst-invalid-section-categoryThe page uses a #lst or #lsth parser function that references a section that doesn't exist on the given page.
Pages using deprecated score attributes(71 P)score-deprecated-categoryThese pages use options provided by the Score extension which are deprecated. These are: "override_audio", "override_ogg", and "override_midi".
Pages using the Score extension(1,635 P)score-use-categoryThese pages use the Score extension.
Pages with score rendering errors(60 P)score-error-categoryThere was an error while rendering the score.
TemplateStyles stylesheets with errors(empty)templatestyles-stylesheet-error-categoryThe TemplateStyles stylesheet has an error.
Pages with TemplateStyles errors(5 P)templatestyles-page-error-categoryThere was an error when processing a <templatestyles/> tag on the page.
MassMessage delivery lists(499 P)massmessage-list-categoryThe page is a delivery list for the MassMessage extension.
Files with no machine-readable license(61 F)commonsmetadata-trackingcategory-no-licenseThe file does not have any machine-readable license template.
Files with no machine-readable description(118,479 F)commonsmetadata-trackingcategory-no-descriptionThe file does not have a machine-readable information template, or its description field is not filled out.
Files with no machine-readable author(661,367 F)commonsmetadata-trackingcategory-no-authorThe file does not have a machine-readable information template, or its author field is not filled out.
Files with no machine-readable source(117,938 F)commonsmetadata-trackingcategory-no-sourceThe file does not have a machine-readable information template, or its source field is not filled out.
Files with no machine-readable patent(empty)commonsmetadata-trackingcategory-no-patentThe file does not have a machine-readable patent template.
Articles with math errors(19 P), Pages with math errors(3 C, 455 P), Templates with math errors(5 P)math-tracking-category-errorPages in this category have errors in the usage of math tags.
Articles with math render errors(532 P)math-tracking-category-render-errorPages in this category have rendering errors in the math tags.
Pages that use a deprecated format of the chem tags(253 P)math-tracking-category-mhchem-deprecationPages in this category use a deprecated format of the chem tags
Pages that use a deprecated format of the math tags(328 P, 1 F)math-tracking-category-texvc-deprecationPages in this category use a deprecated format of the math tags
Pages with malformed coordinate tags(39 P)geodata-broken-tags-categoryThe page has a malformed ((#coordinates:)) tag.
Pages with unknown globe value(empty)geodata-unknown-globe-categoryThe page uses an unknown value of the globe parameter for coordinates.
Pages with invalid region value(empty)geodata-unknown-region-categoryThe page uses an invalid value of the region parameter for coordinates.
Pages with unknown type of coordinates(empty)geodata-unknown-type-categoryThe page uses an unknown value of the type parameter for coordinates.
Talk pages with comments before the first section(153,799 P)discussiontools-comments-before-first-heading-categoryThe discussion page contains comments in the lede section (before first heading). This may cause the lede or the comments to be displayed incorrectly, especially in the mobile version and in mobile apps.
Pages with script errors(1 C, 345 P), User pages with script errors(685 P)scribunto-common-error-categoryThere was an error when processing the modules included on the page.
Scribunto modules with errors‎ (empty)scribunto-module-with-errors-categoryThe module has an error in it. This category is not used.
Pages with unreviewed translations(1 C, 326 P)cx-unreviewed-translation-categoryPages translated with the Content Translation tool that contain a high amount of unreviewed content
Pages with unresolved properties(4 P)unresolved-property-categoryThis category lists pages that reference Wikidata properties that cannot be found neither by their property ID nor label.
Redirects connected to a Wikidata item(5 C, 237,370 P)connected-redirect-categoryThis category lists redirect pages that are connected to a Wikidata item.
Pages using the Kartographer extension(17 C, 245,165 P)kartographer-tracking-categoryThe page includes a map
Pages with broken maps(95 P)kartographer-broken-categoryThe page includes an invalid map usage
Pages using the Phonos extension(4 C, 27,464 P)phonos-tracking-categoryThe page uses the Phonos extension.
Pages with Phonos rendering errors(25 P)phonos-error-categoryThere was an error while rendering Phonos.
Pages using the Graph extension(25 C, 18,344 P)graph-tracking-categoryThe page includes a <graph> tag.
Pages with disabled graphs(25 C, 18,346 P)graph-disabled-categoryThe page includes a <graph> tag, which is temporarily not available (T334940).
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