What powers hplibrary.org?
Last seen Jun 2026 · 29 technologies across 16 categories
Analytics
Google Analytics
since Aug 2018
CDN
Font scripts
JavaScript libraries
Clipboard.js
since Dec 2022
Live chat
Tawk.to
since Jun 2020
Load balancers
Amazon ALB
since May 2022
Maps
Google Maps
since Aug 2018
Marketing automation
Constant Contact
since Mar 2022
Mautic
since May 2025
Miscellaneous
Babel
since Mar 2020
PaaS
Amazon Web Services
since May 2022
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since Oct 2024
reCAPTCHA
since Apr 2020
UI frameworks
Web servers
Webmail
Apple iCloud Mail
since Nov 2025
Microsoft 365
since Aug 2022
Audience
- 57% phone
- 43% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.07 / 10 · ranked #1,475,384 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.8 MB · 162 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| hplibrary.org | 23 |
| www.hplibrary.org | 23 |
| link.hplibrary.org | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Hosted Libraries Jan 2026
- dropped jsDelivr Jan 2026
- detected Apple iCloud Mail Nov 2025