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Page cache robustness polish #14

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opened 2026-09-13 11:58:42 +00:00 by kevin.bataille · 0 comments
kevin.bataille commented 2026-09-13 11:58:42 +00:00
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Small correctness/robustness items for the page cache, bundled:

  • Skip caching responses shorter than 255 bytes (some legacy clients mishandle tiny pages; also avoids caching near-empty error output)
  • Add a wp_recache_override_donotcachepage filter as an escape hatch around the DONOTCACHEPAGE constant (some plugins define it unconditionally)
  • Append an HTML comment footprint (cached timestamp) to cached pages for debuggability
  • Cache search result pages (?s=) while keeping other query strings bypassed
Small correctness/robustness items for the page cache, bundled: - Skip caching responses shorter than 255 bytes (some legacy clients mishandle tiny pages; also avoids caching near-empty error output) - Add a wp_recache_override_donotcachepage filter as an escape hatch around the DONOTCACHEPAGE constant (some plugins define it unconditionally) - Append an HTML comment footprint (cached timestamp) to cached pages for debuggability - Cache search result pages (?s=) while keeping other query strings bypassed
kevin.bataille added the phase-1 label 2026-09-13 11:58:42 +00:00
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Reference: kevin.bataille/wp-recache#14