What powers hardloopkalender.nl?
Last seen Aug 2026 · 15 technologies across 12 categories
Advertising
Analytics
CDN
Cookie compliance
Font scripts
Hosting panels
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
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
- 76% phone
- 21% desktop
- 3% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.12 / 10 · ranked #1,392,516 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Cloudflare (104.21.16.178, IPv6)
- DNS: Cloudflare DNS
- Email: hardloopkalender.nl
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 14,950,994, 2 hosts
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 Nginx Jun 2026