What powers 
tearfilm.org?
Last seen Oct 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Oct 2021
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
Hosting
Hostgator
since Aug 2022
JavaScript libraries
Miscellaneous
PWA
since May 2024
Programming languages
PHP
since Sep 2021
UI frameworks
Bootstrap
since Jan 2019
Video players
YouTube
since May 2019
Web servers
Apache HTTP Server
since Jun 2019
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.58 / 10 · ranked #389,613 of all domains
102 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 2.9 MB · 54 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Tear Film & Ocular Surface Society
- Founded: 2000
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Jan 2002 (24 years) via GoDaddy.com, LLC, renews Jan 2027
- Hosted on Oracle Cloud (50.116.94.112)
- DNS: HostGator
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 544,959, 5 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tearfilm.org | 13 |
| tfos10.tearfilm.org | 12 |
| dews3.tearfilm.org | 11 |