What powers oslis.org?
Last seen Aug 2026 · 21 technologies across 14 categories
Analytics
Google Analytics
since Jun 2018
Caching
Varnish
since Jun 2018
CDN
Amazon CloudFront
since Mar 2023
CMS
Plone
since Apr 2018
JavaScript frameworks
JavaScript libraries
Underscore.js
since Sep 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jul 2026
Operating systems
Ubuntu
since Sep 2021
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Python
since Jun 2018
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Webmail
Google Workspace
since Aug 2022
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
- 54% phone
- 46% desktop
United States
Philippines
Bangladesh
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #345,848 of all domains
134 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.6 MB · 21 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| oslis.org | 18 |
| elementary.oslis.org | 17 |
| secondary.educator.oslis.org | 17 |
| secondary.oslis.org | 17 |
| www.oslis.org | 8 |