What powers vndevcode.com?
Last seen Oct 2026 · 21 technologies across 10 categories
Advertising
Google AdSense
since Aug 2026
Analytics
Cloudflare Browser Insights
since Jul 2026
CDN
Font scripts
Google Font API
since Jul 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since Jul 2026
Performance
Priority Hints
since Sep 2026
Programming languages
Security
UI frameworks
Bootstrap
since Aug 2026
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
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 *: Restricted (was Allowed)
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- CDN: Cloudflare
- Weight: 7.4 MB · 30 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.90.248, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
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 core-js Oct 2026
- detected Unpkg Oct 2026
- dropped ApexCharts.js Sep 2026
- dropped Axios Sep 2026
- dropped Bootstrap Icons Sep 2026
- dropped Chart.js Sep 2026
- dropped Clipboard.js Sep 2026
- dropped core-js Sep 2026
- dropped DataTables Sep 2026
- dropped Dropzone Sep 2026
- dropped FullCalendar Sep 2026
- dropped Google Analytics Sep 2026
- dropped LazySizes Sep 2026
- dropped Lozad.js Sep 2026
- dropped Moment.js Sep 2026
- dropped Popper Sep 2026
- detected Priority Hints Sep 2026
- dropped Prism Sep 2026
- dropped Quill Sep 2026
- dropped Select2 Sep 2026
- dropped toastr Sep 2026
- dropped TypeScript Sep 2026
- dropped Unpkg Sep 2026
- dropped Vue.js Sep 2026
- detected AOS Aug 2026
- detected Bootstrap Aug 2026
- detected Font Awesome Aug 2026
- detected Google AdSense Aug 2026
- detected HSTS Aug 2026
- detected reCAPTCHA Aug 2026
- detected Swiper Aug 2026