Guides
WordPress Guides
Something is broken and you want it fixed. Each guide gives the answer first, explains the mechanism second, and hands you the tool that does the job.
Images & media
Pillar: WordPress Image Size LabStop WordPress Compressing Your Images at 82%
WordPress re-encodes every JPEG it generates at quality 82 on a 0–100 scale. That default lives in WP_Image_Editor::get_default_quality() and applies to
Read itWhy Your WordPress Uploads Folder Is So Large
Your WordPress uploads folder is large because WordPress never stores one file per image. Every upload triggers a fixed set of resized copies alongside the
Read itWhat Size Should a WordPress Featured Image Be?
The number most people want is 1200 x 630 pixels — the 1.91:1 ratio Facebook, LinkedIn and X use for link previews. But that is not the size your theme
Read itWhy WordPress Images Look Blurry After Upload (and the Fix)
Nine times out of ten your images aren't actually blurry — WordPress downscaled them on upload and is now serving the capped copy. Since WordPress 5.3, any
Read itErrors & crashes
Pillar: WordPress PHP Fatal Error DecoderFix the WordPress Block Editor Not Loading
Most of the time, a WordPress block editor that won't load is a JavaScript error — one broken script from a plugin or theme halts the entire React app, and
Read itThe WordPress White Screen of Death, Explained
The white screen of death is a PHP fatal error that you cannot see. WordPress hit an unrecoverable error mid-render, PHP stopped, and because error display
Read itConfiguration
Pillar: wp-config.php GeneratorIncrease the Maximum Upload File Size in WordPress
Three settings control your WordPress upload limit, and they all have to agree. The effective limit is the smallest of upload_max_filesize, post_max_size,
Read itFix "Allowed Memory Size Exhausted" in WordPress
If your site is showing Fatal error: Allowed memory size of 268435456 bytes exhausted, add this line to wp-config.php above the / That's all, stop editing! /
Read itServer & .htaccess
Pillar: WordPress .htaccess GeneratorWordPress .htaccess Security Rules That Actually Help
Most of what gets sold as WordPress .htaccess security is padding. The rules that actually change your attack surface are short — here is which is which
Read itWordPress Posts Return 404 but the Homepage Works
If your homepage loads fine but every individual post and page returns a 404, the URL rewrite rules WordPress relies on are missing or broken in your
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