What powers plenary.com?
Last seen Aug 2026 · 16 technologies across 10 categories
Analytics
Google Analytics
since Feb 2023
Font scripts
Google Font API
since Feb 2023
Hosting
GoDaddy
since Feb 2023
JavaScript frameworks
Miscellaneous
PaaS
Vercel
since Feb 2023
Programming languages
Node.js
since Feb 2023
Security
HSTS
since Feb 2023
Webmail
Apple iCloud Mail
since Feb 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
United States
Australia
Canada
United Arab Emirates
New Zealand
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.85 / 10 · ranked #690,634 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.4 MB · 32 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.