What powers semmle.com?
Last seen Feb 2023 · 23 technologies across 13 categories
Analytics
Parse.ly
since Nov 2021
CDN
cdnjs
since Jan 2023
Cloudflare
since Jan 2019
CMS
Databases
MySQL
since Nov 2021
Font scripts
Google Font API
since Nov 2021
JavaScript libraries
Highlight.js
since Jan 2023
Miscellaneous
PaaS
GitHub Pages
since Nov 2021
WordPress VIP
since Nov 2021
Programming languages
Security
HSTS
since Jan 2023
SEO
Web frameworks
Ruby on Rails
since Nov 2021
Web servers
Nginx
since Nov 2021
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Open Page Rank
6.14 / 10 · ranked #100,431 of all domains
119 referring domains · OpenPageRank
Organisation
- Semmle
- Founded: 2006
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on GitHub (140.82.112.17)
- DNS: IBM NS1
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 421,933, 5 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| help.semmle.com | 17 |
| blog.semmle.com | 12 |
| semmle.com | 3 |