SEO

The cache that served a ten-month-old homepage (and why your edits might not be live either)

Three layers of caching, one stale snapshot from December, and a homepage change nobody saw for most of a year. A field guide to the caches between your WordPress site and your visitors.

We moved a site to PHP 8 and it went down in 30 seconds. Here’s what that costs you.

A host-side PHP change, one encoded plugin, and a white screen. The real lesson is about who finds out first.