What powers ptl.ac.th?
Last seen Sep 2026 · 33 technologies across 20 categories
CDN
CMS
Databases
MySQL
since Apr 2021
Font scripts
Font Awesome
since Jul 2020
Google Font API
since Apr 2019
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Lozad.js
since Jul 2022
LMS
Moodle
since Aug 2022
Maps
Google Maps
since Aug 2024
Miscellaneous
Open Graph
since Apr 2023
Mobile frameworks
Operating systems
CentOS
since Jan 2019
Programming languages
Security
reCAPTCHA
since Dec 2025
UI frameworks
Bootstrap
since Jan 2019
Video players
VideoJS
since Aug 2022
Web server extensions
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
Buttonizer
since Sep 2025
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 61% desktop
- 39% phone
Thailand
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.02 / 10 · ranked #12,194,434 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Thai
- Weight: 17.2 MB · 79 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: ptl.ac.th
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,653,341, 7 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ptl.ac.th | 19 |
| lms.ptl.ac.th | 11 |
| rms.ptl.ac.th | 11 |
| www.ptl.ac.th | 11 |
| gbook.ptl.ac.th | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Buttonizer Jul 2026
- detected jQuery Mobile Jul 2026
- dropped Buttonizer Mar 2026
- dropped jQuery Mobile Mar 2026
- detected reCAPTCHA Dec 2025
- dropped Babel Nov 2025