What powers tactlab.org?
Last seen Sep 2026 · 19 technologies across 10 categories
Analytics
Google Analytics
since Aug 2025
Caching
Varnish
since Aug 2025
CDN
Font scripts
Google Font API
since Aug 2025
JavaScript frameworks
Handlebars
since Aug 2025
JavaScript graphics
JavaScript libraries
PaaS
GitHub Pages
since Aug 2025
UI frameworks
MDBootstrap
since Aug 2025
Webmail
Microsoft 365
since Aug 2025
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
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.41 / 10 · ranked #34,989,672 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- DNS: Google Cloud DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 17,066,223
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped BugSnag Aug 2026