What powers ultras-amsterdam.nl?
Last seen Aug 2026 · 26 technologies across 13 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
WordPress plugins
WordPress themes
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 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 found
- ai.txt not found
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
- 24% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.66 / 10 · ranked #20,433,002 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 2.0 MB · 140 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- detected Google Font API Aug 2026
- detected Hello Elementor Aug 2026
- dropped Lightbox Aug 2026
- dropped Nginx Aug 2026
- dropped Twitter Emoji (Twemoji) Aug 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Browser Insights Jul 2026
- detected Priority Hints Jul 2026
- detected Site Kit Jun 2026
- detected HTTP/3 May 2026
- dropped Underscore.js Jan 2026
- detected Lodash Dec 2025
- detected Moment.js Dec 2025
- detected React Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped HTTP/3 Nov 2025