Caching & CDN: Deployed, but Nothing Changed

You deployed, you cleared the cache, and the public still sees the old version, or worse, a broken one. This cluster dissects the stacked cache layers that hide each other: WP Rocket, Cloudflare, edge caches, down to a stale .min.js silently enqueued from dist. Required reading before you blame your own code.

← All articles 19 articles

Browse by topic

Start here Jul 1, 2026 5 min read

Deployed + Cleared WP Rocket but the Public Still Sees the Old Version? Cloudflare Is Caching HTML for a Year
Oct 13, 2026 10 min read

Cloudflare Purge Says purged 1 URLs for a Whole List? zsh Doesn't Word-Split an Unquoted $VAR
Sep 22, 2026 7 min read

WP Rocket Clear Used CSS From WP-CLI Returns {"status":"die"}? Without --user Nothing Gets Cleared
Aug 29, 2026 12 min read

The Bypass Rule Existed and the Header Still Said cf-cache-status: HIT. Cloudflare Cache Rules Are Last-Match-Wins
Aug 29, 2026 8 min read

revalidateTag Fires But the Listing Page Stays Stale: Prerendered Pages Need Their Own revalidatePath
Aug 25, 2026 5 min read

Every Exported Email Reads [email protected] and One Line on the Page Stops at <? That's Edge Email Obfuscation
Aug 15, 2026 5 min read

Login Returns 302 to /account/ but the Browser Stays Logged Out: Cloudflare Flexible SSL Makes is_ssl() False at the Origin
Aug 3, 2026 5 min read

WXR Import Fails With PCDATA invalid Char value 18 and Sequence ']]>' not allowed? Sanitize the Bytes First
Aug 1, 2026 7 min read

Purge Workflow Exits 1 with "Zone ID not found": Cloudflare Zones Register Against the Apex, Not the Subdomain
Jul 31, 2026 5 min read

plan_limit_reached 402 From Sanity Turned Every Page Into a Cloudflare 522 One Day After Launch
Jul 30, 2026 4 min read

Swapped an Image and Video but the Client Still Sees the Old One? Cache-Control: max-age Keeps Same-Name Files Cached
Jul 23, 2026 5 min read

Uploaded Every Patched File but the Site Is Still Broken? LSCache Is Serving Stale HTML (X-LiteSpeed-Cache: hit)
Jul 23, 2026 5 min read

Purged Every Cache but the Browser Still Loads Old CSS? The ?ver= Query You Forgot to Bump
Jul 7, 2026 4 min read

Editing a Theme's Source JS Changes Nothing in the Browser? The Enqueue Silently Loads a Stale .min.js From dist
Jul 1, 2026 4 min read

wp-admin Acting Haunted (Expired Nonce, AJAX Not JSON, Sidebar Vanishing)? That's CDN/Edge Cache, Not a Theme Bug
Jun 30, 2026 4 min read

Checking a WordPress Site With curl Returns Empty Placeholders? WP Rocket Strips Content for Unknown UAs
Jun 26, 2026 4 min read

“Works on My Machine”, Because You Checked as Admin: The Public Render Differs From the Logged-in One
Jun 19, 2026 4 min read

WP Rocket 'Delay JavaScript Execution' Breaks Your Header Dropdown, Correct Code That Never Runs
Jun 18, 2026 3 min read

Mobile Menu & Dropdowns Break After Enabling WP Rocket? The RUCSS Trap

Caching & CDN: Deployed, but Nothing Changed

Deployed + Cleared WP Rocket but the Public Still Sees the Old Version? Cloudflare Is Caching HTML for a Year

Cloudflare Purge Says `purged 1 URLs` for a Whole List? zsh Doesn't Word-Split an Unquoted `$VAR`

WP Rocket Clear Used CSS From WP-CLI Returns `{"status":"die"}`? Without `--user` Nothing Gets Cleared

The Bypass Rule Existed and the Header Still Said cf-cache-status: HIT. Cloudflare Cache Rules Are Last-Match-Wins

`revalidateTag` Fires But the Listing Page Stays Stale: Prerendered Pages Need Their Own `revalidatePath`

Every Exported Email Reads `[email protected]` and One Line on the Page Stops at `<`? That's Edge Email Obfuscation

Login Returns `302` to /account/ but the Browser Stays Logged Out: Cloudflare Flexible SSL Makes `is_ssl()` False at the Origin

WXR Import Fails With `PCDATA invalid Char value 18` and `Sequence ']]>' not allowed`? Sanitize the Bytes First

Purge Workflow Exits 1 with "Zone ID not found": Cloudflare Zones Register Against the Apex, Not the Subdomain

`plan_limit_reached` 402 From Sanity Turned Every Page Into a Cloudflare 522 One Day After Launch

Swapped an Image and Video but the Client Still Sees the Old One? `Cache-Control: max-age` Keeps Same-Name Files Cached

Uploaded Every Patched File but the Site Is Still Broken? LSCache Is Serving Stale HTML (`X-LiteSpeed-Cache: hit`)

Purged Every Cache but the Browser Still Loads Old CSS? The `?ver=` Query You Forgot to Bump

Editing a Theme's Source JS Changes Nothing in the Browser? The Enqueue Silently Loads a Stale `.min.js` From `dist`

wp-admin Acting Haunted (Expired Nonce, AJAX Not JSON, Sidebar Vanishing)? That's CDN/Edge Cache, Not a Theme Bug

Checking a WordPress Site With `curl` Returns Empty Placeholders? WP Rocket Strips Content for Unknown UAs

“Works on My Machine”, Because You Checked as Admin: The Public Render Differs From the Logged-in One

WP Rocket 'Delay JavaScript Execution' Breaks Your Header Dropdown, Correct Code That Never Runs

Mobile Menu & Dropdowns Break After Enabling WP Rocket? The RUCSS Trap