Find What Is Calling admin-ajax.php
Counts admin-ajax.php requests per action (and whether they come from the front end or the dashboard) for the current day and the previous six, and shows the busiest ones under Tools > AJAX Usage.
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Find and Delete Unused Tags and Categories (WP-CLI)
Adds a "wp empty-terms" command that lists the terms of a taxonomy that no post uses, and deletes them when you add --delete. The default category is always kept.
Find and Remove Orphaned Cron Events
Adds Tools > Orphaned Cron Events, listing scheduled tasks that no active plugin or theme handles any more (often left by uninstalled plugins) and removing them after you confirm.
Find and Remove Orphaned Post Meta (WP-CLI)
Adds a "wp orphaned-meta" command that counts custom field rows left behind by deleted posts, grouped by meta key, and removes them in small batches when you add --delete.
Find the Heaviest Posts by Content Size (WP-CLI)
Adds a "wp heaviest-posts" command listing the posts and pages with the largest stored content, revisions excluded, to track down pasted base64 images or page builder bloat slowing the editor.
Find the Largest Custom Field Values (WP-CLI)
Adds a "wp largest-meta" command listing the biggest post, user and term meta rows with their key and owner, the quickest way to find plugins bloating the database with huge serialized data.
First Day of the Week Per Language
Starts calendars and date pickers on Sunday or Monday depending on the current language, instead of one fixed setting for every visitor.
First and Last Name on the Registration Form
Asks for first and last name when people register through the WordPress form and saves them to the new profile.
First and Last Name on the WooCommerce Registration Form
Adds required first and last name fields to the My Account registration form and saves them to the customer's profile and billing details.
Fix "Fixed Background" Cover Blocks on iPhone and iPad
Switches Cover blocks set to a fixed (parallax) background to a normal scrolling background on touch devices, where fixed backgrounds look blurry, zoomed or don't show at all.
Fix Full-Height Sections on Mobile Browsers
Makes Cover blocks and sections set to 100vh fit the visible screen on phones, where the browser's address bar otherwise hides the bottom of the section and its buttons.
Fix Old Subsite URLs After Domain Mapping
Rewrites links and image URLs that still point at a site's old network address (like example.com/shop/) to its mapped domain when content is displayed.
Fix Plain Emails Sent as HTML
When a plugin switches all emails to HTML, WordPress's own plain emails arrive as one squashed paragraph with broken links; this adds line breaks and clickable links back.
Fix Relative Links and Images in Feeds
Turns relative links and image paths such as "/about/" in feed content into full URLs, so they work in feed readers and RSS emails.
Fix URLs With Double Slashes
Permanently redirects addresses that contain double slashes, such as /blog//my-post/, to the clean version, avoiding duplicate pages from broken links and badly built URLs.
Fixes for Windows High Contrast (Forced Colors) Mode
Makes buttons, focus outlines, icons and custom checkboxes stay visible when visitors use Windows High Contrast or another forced-colors mode, where many themes lose borders and icons.
Flag Orders That Have a Customer Note
Adds a narrow column to the admin orders list with an icon on orders where the customer left a note, and shows the note when you hover over it.
Flag Orders Whose Billing and Shipping Countries Differ
Adds a private order note, and optionally holds the order, when the billing and shipping countries do not match, a common sign of card fraud.
Flat Handling Fee on Shipped Orders
Adds a fixed packing and handling charge to every order that needs shipping, while downloads and services stay fee-free.
Flip Directional Icons in Right-to-Left Languages
Mirrors arrows, chevrons and other directional icons when the page is right-to-left, so "next" and "back" point the right way in Arabic, Hebrew and Persian.
Floating "Edit This Page" Button on the Front End
Shows a small floating Edit button in the corner of posts and pages for users who can edit them, which is handy when the admin bar is hidden or on phones.
Floating Call-to-Action Button After Scrolling
Shows a floating button in the bottom corner once visitors have scrolled past the first screen, for "Book a call", "Get a quote" or "Shop now" links.
Floating Social Media Icons Bar
Shows a slim bar of social media icons fixed to the side of the screen, with built-in SVG icons, accessible labels and an option to hide it on small screens.
Floating WhatsApp Chat Button
Adds a round WhatsApp button in the bottom corner of every page that opens a chat with your number and a pre-filled message.