X-Clacks-Overhead

X-Clacks-Overhead is a non-standard HTTP header used to transmit tribute messages within server responses.

unknown67 eligible domainsxclacksoverhead.org
Stats
Adoption0.0%
Avg confidence100%
30-day trend0
Search database

What is X-Clacks-Overhead?

X-Clacks-Overhead is a unknown technology. X-Clacks-Overhead is a non-standard HTTP header used to transmit tribute messages within server responses.. Currently detected on 67 quality-eligible websites in the Glympt index.

Official website: xclacksoverhead.org.

Recently detected on

View all →
discworldemporium.com
GB 60%conf 100%
manova.news
DE 45%conf 100%
info-sud-est.ro
RO 35%conf 100%
billetto.se
SE 95%conf 100%
loot.co.za
conf 100%
thecritic.co.uk
GB 90%conf 100%
geopolitika.news
conf 100%
vjera.hr
conf 100%
brixtonbuzz.com
GB 85%conf 100%
glowfic.com
conf 100%

Top countries

DE5GB11NL4RO4SE1US5

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Frequently used with

Google Tag Manager38jQuery38LetsEncrypt35Cloudflare31Google Analytics30Global Site Tag29Google Analytics 428Google Trust Services19PHP19PWA19

Frequently asked questions

How does Glympt detect X-Clacks-Overhead?

By scanning headers, HTML, JS globals, meta tags, and cookies. Detection is automated and non-intrusive.

How accurate?

Confidence averages 100% for X-Clacks-Overhead. ≥70% is highly reliable.

Can I export?

Yes. Pro and Business plans include CSV export with full filtering.

Refresh rate?

Major sites: ~7 days. Smaller domains: ~30 days. Trigger fresh scans from the dashboard.

Is X-Clacks-Overhead trending?

X-Clacks-Overhead gained 0 domains in 30 days.

What is "confidence"?

0–100 score indicating detection certainty. Multiple strong signals = high confidence.

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