What powers 
rs.co.th?
Last seen Sep 2026 · 48 technologies across 22 categories
Analytics
Google Analytics
since Jan 2019
CDN
Amazon CloudFront
since Apr 2020
cdnjs
since Nov 2021
Cloudflare
since Dec 2020
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Apr 2023
jsDelivr
since Oct 2020
CMS
Databases
MySQL
since Apr 2020
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Apr 2023
Hosting panels
Plesk
since Apr 2020
JavaScript libraries
Marketing automation
Sendinblue
since Jan 2023
Miscellaneous
Operating systems
Windows Server
since Feb 2024
PaaS
Amazon Web Services
since Apr 2020
Performance
LazySizes
since Feb 2022
Programming languages
Security
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Animate.css
since Jan 2019
Bootstrap
since May 2019
Video players
Plyr
since Jul 2020
Web frameworks
Web server extensions
Web servers
Amazon EC2
since Apr 2023
Nginx
since Apr 2020
WordPress plugins
WP-Optimize
since Feb 2022
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
- 89% desktop
- 11% phone
Thailand
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.50 / 10 · ranked #891,533 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Amazon CloudFront
- Weight: 36.5 MB · 105 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- RS Public Company Limited
- Founded: 1976
- Country: Thailand
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (75.2.52.106)
- DNS: asianet.co.th
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 599,777, 4 hosts
- Verified with: Brevo, Cisco Duo, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rs.co.th | 34 |
| ir.rs.co.th | 21 |
| tawi50ulife.rs.co.th | 16 |
| learningcenter.rs.co.th | 9 |
| rsconnector.rs.co.th | 5 |