What powers gisd.org?
Last seen Sep 2026 · 42 technologies across 20 categories
Analytics
Authentication
CDN
Databases
Ecommerce
Editors
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
RUM
Security
Tag managers
Translation
UI frameworks
Video players
Web frameworks
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% phone
- 39% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.33 / 10 · ranked #1,091,456 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 80.3 MB · 204 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Galveston Independent School District
- Founded: 1881
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (18.233.124.95)
- DNS: att.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 647,618, 14 hosts
- Verified with: Adobe, Apple Business, Autodesk
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| aim.gisd.org | 36 |
| crenshaw.gisd.org | 35 |
| morgan.gisd.org | 26 |
| rosenberg.gisd.org | 26 |
| austin.gisd.org | 23 |
| ball.gisd.org | 23 |
| burnet.gisd.org | 23 |
| central.gisd.org | 23 |
| gisd.org | 23 |
| oppe.gisd.org | 23 |
| parker.gisd.org | 23 |
| weis.gisd.org | 23 |
| www.gisd.org | 23 |
| eaplus.gisd.org | 3 |
Full technology history →
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Recent changes
- dropped Htmx Sep 2026
- dropped PHP Sep 2026
- dropped Stimulus Sep 2026
- dropped VideoJS Sep 2026
- detected AlertifyJS Jul 2026
- detected Bootstrap Jul 2026
- detected core-js Jul 2026
- detected Facebook Login Jul 2026
- detected Font Awesome Jul 2026
- detected HeadJS Jul 2026
- detected jsDelivr Jul 2026
- detected Nginx Jul 2026
- detected PHP Jul 2026
- detected reCAPTCHA Jul 2026
- detected Slick Jul 2026
- detected Typekit Jul 2026
- detected Unpkg Jul 2026
- detected VideoJS May 2026
- detected Stimulus Feb 2026
- detected Htmx Nov 2025