What powers joho.org?
Last seen Apr 2026 · 11 technologies across 10 categories
Analytics
Caching
CDN
CMS
JavaScript Frameworks
JavaScript Graphics
Miscellaneous
Programming languages
Web Servers
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 68% phone
- 29% desktop
- 3% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.93 / 10 · ranked #623,081 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (104.21.89.172, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,202,996, 4 hosts
- Verified with: Google
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
- detected Varnish Feb 2026