What powers rtctech.vn?
Last seen Oct 2026 · 41 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Video players
Widgets
WordPress plugins
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 Content Signals changed
- Oct 2026 amazonbot added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 87% desktop
- 13% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.80 / 10 · ranked #16,659,182 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 3300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- CDN: Cloudflare
- Weight: 10.1 MB · 373 requests
- WordPress theme: brand-guide (child: brand-guide-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Công ty cổ phần RTC Technology
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.86.21, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 59,642,218
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Oct 2026
- dropped WP Rocket Oct 2026
- detected Buttonizer Sep 2026
- detected cdnjs Sep 2026
- detected Chart.js Sep 2026
- detected core-js Sep 2026
- detected Font Awesome Sep 2026
- detected Google Analytics Sep 2026
- detected GSAP Sep 2026
- detected GTranslate Sep 2026
- detected Isotope Sep 2026
- detected jQuery Migrate Sep 2026
- detected jQuery UI Sep 2026
- detected MailChimp Sep 2026
- detected MailChimp for WordPress Sep 2026
- detected Modernizr Sep 2026
- detected Popper Sep 2026
- detected reCAPTCHA Sep 2026
- detected Slick Sep 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- detected WordPress Super Cache Sep 2026
- detected YouTube Sep 2026
- dropped Litespeed Cache Aug 2026
- detected Site Kit Jul 2026