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PerformanceImportant

HTML not compressed

Uncompressed HTML is 3–5 times larger on the wire.

6.2%of Global websites

By market

  1. Global6.2%
  2. United Kingdom5.1%
  3. Netherlands5%
  4. Italy5.6%
  5. Spain7%
  6. Japan28%
  7. Latin America7.9%

Examples

Popular sites where we saw this on the homepage (at crawl time).

nic.rureg.ruforms.glescorecardresearch.comtaboola.comopendns.comastrumu.ioarxiv.orgdynatrace.comscribd.comtplinkcloud.comicloud-content.com

How to fix

  1. 1Enable gzip or Brotli on the server or CDN.

Related mistakes

Our crawler: 68,769 sites · Global · updated Oct 23, 2026 · Methodology

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