What powers tessacs.org?
Last seen Aug 2026 · 23 technologies across 15 categories
Analytics
CDN
CMS
Ecommerce
Font scripts
Fundraising & donations
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
PaaS
Performance
Programming languages
Security
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 54% phone
- 46% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.90 / 10 · ranked #651,932 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 2.3 MB · 84 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected Qgiv Aug 2026
- dropped Amazon S3 May 2026
- dropped Cloudflare Browser Insights May 2026
- dropped GSAP May 2026
- dropped HTTP/3 May 2026
- dropped jQuery Migrate May 2026
- dropped Kindful May 2026
- dropped Microsoft Ajax Content Delivery Network May 2026
- dropped MonsterInsights May 2026
- dropped MySQL May 2026
- dropped PHP May 2026
- dropped Qgiv May 2026
- dropped reCAPTCHA May 2026
- dropped RSS May 2026
- dropped ScrollMagic May 2026
- dropped Stripe May 2026
- dropped Twitter Emoji (Twemoji) May 2026
- dropped Typekit May 2026
- dropped WordPress May 2026
- dropped WP Engine May 2026
- detected Amazon ALB Apr 2026
- detected Angular Apr 2026
- detected Cart Functionality Apr 2026
- detected core-js Apr 2026
- detected Google Font API Apr 2026
- detected HSTS Apr 2026
- detected jQuery CDN Apr 2026
- detected Modernizr Apr 2026
- detected Open Graph Apr 2026
- detected Priority Hints Apr 2026
- detected Squarespace Apr 2026
- detected Squarespace Commerce Apr 2026
- detected Stimulus Apr 2026
- detected TypeScript Apr 2026
- detected YUI Apr 2026
- detected Zone.js Apr 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected Cloudflare Browser Insights Nov 2025