What powers jervislibrary.org?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Mar 2024
Hosting
GoDaddy
since Aug 2022
JavaScript libraries
Closure Library
since Jan 2026
Marked
since Jul 2026
Load balancers
Amazon ALB
since Nov 2024
Miscellaneous
Open Graph
since Mar 2024
PaaS
Amazon Web Services
since Nov 2024
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.54 / 10 · ranked #2,424,798 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 4.4 MB · 157 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.33.251.168)
- DNS: GoDaddy DNS
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 710,199, 4 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
- detected Marked Jul 2026
- detected Closure Library Jan 2026
- dropped Google Sites Dec 2025