Catalog · Performance · Warning

No HTTP compression

The response is not gzip / br compressed, wasting bandwidth and slowing time-to-first-byte for clients.

Check ID NO_COMPRESSION · Category Performance · Available on every plan

Sec. CD.01 · Detail ◊What, why, how reference content · updated continuously

How to fix it

Enable gzip or brotli on the server / CDN for HTML, CSS, JS, and JSON.

Sec. CD.02 · Related ◊Sibling checks in this category 3 related

Wrendex catches no http compression on every audit. No credit card · All 170+ checks · Full PDF report