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How Many Concurrent Users Can WordPress Shared Hosting Handle? The PHP Worker Math (2026)
TL;DRThe number of WordPress concurrent users shared hosting supports is not one figure. It is your PHP worker count divided by execution time, then divided by your cache-bypass rate. A cached blog handles thousands. An uncached membership site handles about 175.
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How to Stop an XML-RPC Bot Flood Without Breaking Jetpack (2026)
TL;DRTo stop an XML-RPC bot flood, allowlist Jetpack first, then deny xmlrpc.php in .htaccess so LiteSpeed refuses the request before WordPress loads and no PHP worker is consumed.
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Disable WordPress AI Features in WordPress 7.0 (2026 Guide)
TL;DRTo disable WordPress AI features in WordPress 7.0, add
define( 'WP_AI_SUPPORT', false );to wp-config.php. It overrides the wp_supports_ai filter, blocks every AI provider call site-wide, and a plugin cannot re-enable it.
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How to Disable the WordPress Heartbeat (Before It Eats Your PHP Workers)
TL;DRTo disable WordPress Heartbeat safely, throttle its interval to 60 seconds and deregister it on the front end with one
heartbeat_settingsfilter — this cuts admin-ajax.php load about 75% while keeping autosave and post locking.
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Is WP-Cron Actually Slowing Your Site?
TL;DRWe measured before telling anyone to disable wp-cron. An empty WP-Cron check costs 18 ms, just 1.17% of an uncached page load. On 100% of the WordPress installs we audited, the default was fine.
