What powers chapter-optical.com?
Last seen May 2026 · 15 technologies across 10 categories
Analytics
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Video players
YouTube
since Nov 2022
Web servers
Nginx
since Jan 2019
Audience
- 71% phone
- 29% desktop
Thailand
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.06 / 10 · ranked #3,442,537 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Thai
- Weight: 23.8 MB · 148 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.