What powers gzip.org?
Last seen Oct 2025 · 2 technologies across 2 categories
Security
HSTS
since Jan 2023
Web Servers
Apache HTTP Server
since Jan 2016
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
7.81 / 10 · ranked #10,503 of all domains
842 referring domains · OpenPageRank
Infrastructure
- Hosted on A2 Hosting (85.187.148.2)
- DNS: A2 Hosting
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,461, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.gzip.org | 2 |
| at.gzip.org | 1 |