What powers hydrolearn.org?
Last seen Aug 2026 · 27 technologies across 15 categories
Analytics
Google Analytics
since Feb 2022
Caching
CMS
WordPress
since Feb 2024
Databases
MySQL
since Feb 2024
Mailjet
since Aug 2022
Font scripts
Google Font API
since Feb 2024
Twitter Emoji (Twemoji)
since Apr 2026
JavaScript frameworks
RequireJS
since Feb 2022
JavaScript libraries
Flickity
since Feb 2024
Underscore.js
since Feb 2022
Miscellaneous
Performance
Priority Hints
since Feb 2024
Programming languages
Security
reCAPTCHA
since Feb 2024
Web frameworks
Django
since Feb 2022
Web servers
Apache HTTP Server
since Feb 2024
Caddy
since Feb 2022
WordPress plugins
Contact Form 7
since Feb 2024
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.87 / 10 · ranked #1,826,078 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| hydrolearn.org | 17 |
| www.hydrolearn.org | 16 |
| edx.hydrolearn.org | 14 |
Full technology history →
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Recent changes
- dropped Webpack Aug 2026