Send Emails in the Background
Queues emails sent by WordPress and plugins and sends them a few seconds later through WP-Cron, so form submissions, orders and registrations no longer wait for the mail server.
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Send Fatal Error Emails to Your Developers
Sends WordPress's "your site is experiencing a technical issue" recovery emails to your developers instead of (or as well as) the site owner, so the right people can fix it.
Send Feed Readers to Your Feed Service
Redirects visitors and feed readers from your main feed to its address at a feed service such as FeedPress or Follow.it, while the service itself still reads your real feed.
Send Plain WordPress Emails in a Branded HTML Layout
Wraps the plain-text emails WordPress sends (password resets, notifications, form plugins) in a simple HTML layout with your site name and clickable links.
Send WordPress Email Through the Brevo API
Delivers all WordPress emails through the Brevo (formerly Sendinblue) transactional email API, so mail goes out even where SMTP ports are blocked.
Send WordPress Email Through the Mailgun API
Delivers all WordPress emails through Mailgun's HTTP API, which avoids blocked SMTP ports and gives you Mailgun's delivery logs and tracking.
Send WordPress Email Through the Postmark API
Delivers all WordPress emails through Postmark's HTTP API instead of PHP mail or SMTP, for fast, reliable delivery on hosts that block outgoing mail ports.
Send WordPress Email Through the SendGrid API
Delivers all WordPress emails through SendGrid's v3 Mail Send API instead of PHP mail or SMTP, for reliable delivery and SendGrid's activity feed.
Send a Test Email From the Admin
Adds a Tools > Send Test Email screen where administrators can send a test message to any address and see right away whether WordPress could hand it off.
Send the Visitor's Language to Mailchimp (MC4WP)
Sets Mailchimp's built-in subscriber language for every signup from your site, using the current WordPress, WPML or Polylang language, so Mailchimp can send the right translation of your campaigns.
Serve a humans.txt File
Answers /humans.txt with a plain-text file crediting the people and tools behind the site, generated by WordPress so you do not need to upload anything to the server.
Server and Site Info Widget
Adds a dashboard widget with the PHP, database and WordPress versions, memory limit, upload limit and active theme at a glance.
Set JPEG Compression Quality
Changes the quality used when WordPress generates resized JPEG images. Lower values give smaller files; the default is 82.
Set WebP and AVIF Image Quality
Sets the compression quality WordPress uses when it creates WebP and AVIF images, separately from JPEG, so you can trade a little sharpness for much smaller files.
Share a Draft With a Secret Link
Adds a "Share draft" link under unpublished posts that creates a secret preview address, so a client or reviewer can read the draft without a WordPress account. Links expire after a set number of days.
Shipping Method Column in the Orders List
Shows the chosen shipping method of each order in the admin orders list, so you can spot express and pickup orders before packing.
Shorter Nonce Lifetime
Makes WordPress security tokens (nonces) expire after 4 hours instead of up to 24, shrinking the window in which a leaked link can be reused.
Show Outgoing HTTP Requests in the Admin Bar
Counts the external HTTP requests WordPress, plugins and themes make while building a page, and lists each URL, status and time in an admin bar menu for administrators.
Show PHP Version, Memory and Queries in the Admin Footer
Replaces the WordPress version in the bottom right of admin screens with the PHP version, peak memory use and database query count of the current page.
Silence "Translation Loading Triggered Too Early" Notices
Hides the "_load_textdomain_just_in_time was called incorrectly" debug notice (added in WordPress 6.7) for plugins you cannot fix yourself, keeping debug logs readable.
Site Health Check for Compression and Browser Caching
Adds a Site Health test that requests your homepage and one of your theme's stylesheets and reports whether text files are compressed (gzip or Brotli) and whether static files get long browser cache lifetimes.
Site Identity REST Endpoint for Apps and Headless Sites
Adds a public /wp-json/site/v1/identity endpoint with the site name, tagline, logo, site icon, language and home URL, so headless front ends and apps can brand themselves from WordPress.
Skip Links to Navigation, Search and Footer
Adds a small set of keyboard skip links (main content, main menu, search and footer) that appear on the first Tab press. Links whose target is missing on a page are removed automatically.
Skip Loading Translations on English Sites
Stops WordPress, plugins and themes from loading translation files on the front end (or everywhere) to save memory and time on sites whose visitors read English anyway, with a list of text domains to keep.