What powers 
welson.vn?
Last seen Sep 2026 · 27 technologies across 16 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Live chat
Maps
Miscellaneous
Performance
Programming languages
Tag managers
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.86 / 10 · ranked #687,116 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.4 s |
| CLS | 0 |
| TTFB | 4000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 8.6 MB · 155 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
- Profa Việt Nam
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on WEBICO-AS-VN Webico Company Limited (116.118.44.36)
- DNS: matbao.vn
- Email: welson.vn
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P384, expires Jan 2027
- Common Crawl link graph: rank 32,923,009, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Buttonizer Sep 2026
- detected cdnjs Sep 2026
- detected Cloudflare Sep 2026
- detected Contact Form 7 Sep 2026
- detected core-js Sep 2026
- detected Facebook Chat Plugin Sep 2026
- detected Facebook Pixel Sep 2026
- detected Font Awesome Sep 2026
- detected Google Analytics Sep 2026
- detected Google Maps Sep 2026
- detected Google Tag Manager Sep 2026
- detected jQuery Sep 2026
- detected jQuery Migrate Sep 2026
- detected TikTok Pixel Sep 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- dropped Unpkg Jul 2026
- dropped Buttonizer Jan 2026
- dropped cdnjs Jan 2026
- dropped Cloudflare Jan 2026
- dropped Contact Form 7 Jan 2026
- dropped core-js Jan 2026
- dropped Facebook Chat Plugin Jan 2026
- dropped Facebook Pixel Jan 2026
- dropped Font Awesome Jan 2026
- dropped Google Analytics Jan 2026
- dropped Google Maps Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped jQuery Jan 2026
- dropped jQuery Migrate Jan 2026
- dropped Leaflet Jan 2026
- dropped Livefyre Jan 2026
- dropped TikTok Pixel Jan 2026
- dropped W3 Total Cache Jan 2026
- detected Litespeed Cache Dec 2025