What powers gcs.vn?
Last seen Sep 2026 · 27 technologies across 15 categories
Advertising
Analytics
Caching
CDN
CMS
CRM
Databases
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% desktop
- 29% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.91 / 10 · ranked #1,750,063 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- CDN: Cloudflare
- Weight: 3.6 MB · 150 requests
- WordPress theme: flatsome (child: flatsome-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.26.4.107, IPv6)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 25,122,379, 4 hosts
- Verified with: Google, Microsoft 365, Zoho
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected core-js Sep 2026
- detected Fluent Forms Jul 2026
- detected Redis Jul 2026
- detected Redis Object Cache Jul 2026
- dropped HTTP/3 Feb 2026
- dropped Nginx Feb 2026
- detected Cloudflare Rocket Loader Jan 2026
- dropped Google PageSpeed Dec 2025
- detected HTTP/3 Nov 2025
- detected Litespeed Cache Nov 2025