WordPress/wp-admin
Felix Arntz fab7a3bb92 Site Health: Introduce page cache check.
This changeset adds a new `page_cache` check which determines whether the site uses a full page cache, and in addition assesses the server response time. If no page cache is present and the server response time is slow, the check will suggest use of a page cache.

A few filters are included for customization of the check:
* `site_status_good_response_time_threshold` filters the number of milliseconds below which the server response time is considered good. The default value is based on the `server-response-time` Lighthouse audit and can be altered using this filter.
* `site_status_page_cache_supported_cache_headers` filters the map of supported cache headers and their callback to determine whether it was a cache hit. The default list includes commonly used cache headers, and it is filterable to support e.g. additional cache headers used by specific vendors.

Note that due to the nature of this check it is only run in production environments.

Props furi3r, westonruter, spacedmonkey, swissspidy, Clorith.
Fixes #56041.

Built from https://develop.svn.wordpress.org/trunk@54043


git-svn-id: http://core.svn.wordpress.org/trunk@53602 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-08-31 22:46:11 +00:00
..
css Media: Prevent URLs from overflowing their container in the media editor. 2022-07-25 18:11:08 +00:00
images Administration: Update design of the Dashboard welcome panel. 2022-05-10 16:45:08 +00:00
includes Site Health: Introduce page cache check. 2022-08-31 22:46:11 +00:00
js Site Health: Don't show issue groups unless there are items in them. 2022-08-28 19:17:11 +00:00
maint Database: Check the correct value for displaying the "Successfully repaired table" or "Failed to repair" messages on Database Repair screen. 2020-12-04 15:50:12 +00:00
network General: Add required fields helper functions for better reusability. 2022-08-12 12:11:09 +00:00
user
about.php Help/About: Improve vertical alignment in the Additional Design Tools section. 2022-08-23 13:48:10 +00:00
admin-ajax.php Coding Standards: Remove extra space in wp-admin/admin-ajax.php. 2022-05-07 16:21:18 +00:00
admin-footer.php Coding Standards: Simplify a condition in wp-admin/admin-footer.php. 2021-06-01 11:30:57 +00:00
admin-functions.php
admin-header.php Docs: Add missing description for $typenow global in various functions. 2022-04-04 18:39:01 +00:00
admin-post.php Administration: Require a valid action parameter to be set for admin-ajax.php requests. 2022-03-02 15:00:11 +00:00
admin.php Docs: Add missing description for $taxnow global in various functions. 2022-04-04 18:43:02 +00:00
async-upload.php Media: Remove target blank attribute from media uploader edit links. 2022-01-27 22:17:00 +00:00
authorize-application.php Docs: Various corrections and improvements to inline documentation. 2022-08-04 14:52:11 +00:00
comment.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 16:25:03 +00:00
credits.php Help/About: WordPress 5.9 About Page. 2022-01-04 18:35:03 +00:00
custom-background.php
custom-header.php
customize.php Customizer: When a block theme is active, add an information about Site Editor in the Customizer. 2022-03-29 19:10:14 +00:00
edit-comments.php Docs: Explicitly declare some globals for clarity. 2022-05-29 15:35:11 +00:00
edit-form-advanced.php Administration: Remove self-reference ("we") in WordPress Admin. 2022-04-11 11:42:04 +00:00
edit-form-blocks.php Editor: Return additional block patterns to server-generated settings 2022-05-17 14:38:14 +00:00
edit-form-comment.php Docs: Explicitly declare some globals for clarity. 2022-05-29 15:35:11 +00:00
edit-link-form.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 16:25:03 +00:00
edit-tag-form.php Taxonomy: Associate field descriptions with fields. 2022-08-19 23:06:09 +00:00
edit-tags.php Taxonomy: Associate field descriptions with fields. 2022-08-19 23:06:09 +00:00
edit.php Docs: Explicitly declare some globals for clarity. 2022-05-29 15:35:11 +00:00
erase-personal-data.php Help/about: Improve text in help tabs of the Personal Data Exporter/Eraser. 2022-04-14 14:46:07 +00:00
export-personal-data.php Help/about: Improve text in help tabs of the Personal Data Exporter/Eraser. 2022-04-14 14:46:07 +00:00
export.php Administration: Remove self-reference ("we") in WordPress Admin. 2022-04-11 11:42:04 +00:00
freedoms.php Administration: Remove self-reference ("we") in WordPress Admin. 2022-04-11 11:42:04 +00:00
import.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
index.php Help/About: Improve typography in the Welcome to your WordPress Dashboard! text. 2021-11-03 03:16:57 +00:00
install-helper.php Code Modernization: Rename parameters that use reserved keywords in wp-admin/install-helper.php. 2022-04-20 11:19:12 +00:00
install.php Coding Standards: Move wp-includes/wp-db.php to wp-includes/class-wpdb.php. 2022-07-21 16:00:15 +00:00
link-add.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
link-manager.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
link-parse-opml.php
link.php Coding Standards: Apply some alignment fixes from composer format. 2021-07-27 19:01:59 +00:00
load-scripts.php Docs: Update a comment in wp-admin/load-styles.php per the documentation standards. 2021-12-12 14:52:02 +00:00
load-styles.php Docs: Update a comment in wp-admin/load-styles.php per the documentation standards. 2021-12-12 14:52:02 +00:00
media-new.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
media-upload.php Docs: Add examples of possible names for various hooks whose name contains a dynamic portion. 2021-03-07 12:32:09 +00:00
media.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 16:25:03 +00:00
menu-header.php Administration: Restore the correct escaping function for base64-encoded SVG icons in the admin menu. 2022-04-07 12:54:03 +00:00
menu.php Administration: Make sure the $customize_url variable is always defined in the admin menu. 2021-12-25 03:32:03 +00:00
moderation.php
ms-admin.php
ms-delete-site.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
ms-edit.php
ms-options.php
ms-sites.php
ms-themes.php
ms-upgrade-network.php
ms-users.php
my-sites.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
nav-menus.php Text Changes: Improve consistency of punctuation in some strings. 2022-07-14 14:10:11 +00:00
network.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
options-discussion.php Options, Meta APIs: Rephrase the description of the "Avatars" section. 2022-03-28 10:56:04 +00:00
options-general.php Administration: Change default site tagline to an empty string. 2022-08-03 12:20:16 +00:00
options-head.php
options-media.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
options-permalink.php Permalinks: Fix aria-live text when removing custom structure. 2022-08-19 21:00:09 +00:00
options-privacy.php Administration: Clarify some sentences after [53131]. 2022-04-12 13:43:16 +00:00
options-reading.php Coding Standards: Use strict comparison in wp-admin/options-reading.php. 2022-01-02 16:47:05 +00:00
options-writing.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
options.php Coding Standards: Use MINUTE_IN_SECONDS where appropriate. 2022-07-17 02:18:09 +00:00
plugin-editor.php Administration: Correct the escaping in documentation lookup for plugin and theme editor. 2022-07-22 11:33:10 +00:00
plugin-install.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 16:25:03 +00:00
plugins.php Plugins: Escape output in error messages. 2022-08-30 15:18:17 +00:00
post-new.php
post.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 16:25:03 +00:00
press-this.php
privacy-policy-guide.php Administration: Remove self-reference ("we") in WordPress Admin. 2022-04-11 11:42:04 +00:00
privacy.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
profile.php
revision.php Coding Standards: Use strict comparison in wp-admin/revision.php. 2022-01-07 16:47:00 +00:00
setup-config.php Database: Suppress errors when checking the validity of table prefix during installation. 2022-08-02 16:34:13 +00:00
site-editor.php Site Editor: Pass correct context into get_block_categories 2022-07-27 12:27:16 +00:00
site-health-info.php Site Health: Internationalizes count in the info section headings. 2021-11-01 22:36:59 +00:00
site-health.php Site Health: Don't show issue groups unless there are items in them. 2022-08-28 19:17:11 +00:00
term.php General: Replace all esc_url_raw() calls in core with sanitize_url(). 2022-06-01 18:14:10 +00:00
theme-editor.php Administration: Correct the escaping in documentation lookup for plugin and theme editor. 2022-07-22 11:33:10 +00:00
theme-install.php Themes: Include a hyphen in the Block Themes tab key on Add Themes screen. 2022-08-19 13:11:14 +00:00
themes.php Themes: Properly escape home_url() when changing and updating themes. 2022-07-06 19:46:10 +00:00
tools.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
update-core.php Coding standards: Properly escape URLs returned by self_admin_url() calls. 2022-08-05 06:12:10 +00:00
update.php Docs: Add a comment about the $title global usage in various admin files. 2021-07-22 13:53:00 +00:00
upgrade-functions.php
upgrade.php General: Replace all esc_url_raw() calls in core with sanitize_url(). 2022-06-01 18:14:10 +00:00
upload.php Help/About: Typo correction in the Media Library help tab text. 2022-06-29 13:39:14 +00:00
user-edit.php Application Passwords: Link a more accurate documentation page in User profile edit screen. 2022-07-21 19:32:12 +00:00
user-new.php Users: Use autocomplete values on user profiles. 2022-04-08 17:40:07 +00:00
users.php Help/About: Add help tab info for the "Send password reset" row action on Users screen. 2022-07-05 00:25:13 +00:00
widgets-form-blocks.php Editor: Update preload paths for post, site and widgets editors 2022-04-07 13:40:04 +00:00
widgets-form.php Widgets: Revert [51705]. 2021-09-09 21:40:57 +00:00
widgets.php Administration: Replace contracted verb forms for better consistency. 2022-03-22 19:59:04 +00:00