What powers ctro.science?
Last seen Jul 2026 · 17 technologies across 12 categories
Advertising
CDN
Cookie compliance
Digital asset management
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
RUM
Security
Tag managers
Video players
AI Crawlers
Blocks 14 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- AI2Bot Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- MistralAI-User Blocked
The other 19 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
14 of 33 AI crawlers blocked
Audience
- 60% desktop
- 40% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.34 / 10 · ranked #1,078,261 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.7 s |
| INP | 175 ms |
| CLS | 0.15 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Webpack May 2026
- dropped Webpack Apr 2026
- detected Google Publisher Tag Oct 2025
- detected Google Tag Manager Oct 2025
- detected reCAPTCHA Oct 2025
- detected Webpack Oct 2025