What powers thuvienpdf.com?
Last seen Sep 2026 · 36 technologies across 17 categories
Advertising
Google AdSense
since Mar 2021
Analytics
Cloudflare Browser Insights
since Jun 2021
Google Analytics
since May 2021
Caching
Redis Object Cache
since May 2026
W3 Total Cache
since May 2026
CDN
Cloudflare
since Mar 2021
jQuery CDN
since May 2026
CMS
Cookie compliance
Funding Choices
since Dec 2022
Databases
Font scripts
Google Font API
since Mar 2021
Twitter Emoji (Twemoji)
since May 2026
JavaScript libraries
Miscellaneous
Performance
Cloudflare Rocket Loader
since Oct 2022
Priority Hints
since May 2026
Programming languages
PHP
since Mar 2021
Security
Cloudflare Bot Management
since Jan 2025
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Mar 2021
UI frameworks
Bootstrap
since Mar 2021
WordPress plugins
Shortcodes Ultimate
since May 2026
WordPress themes
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
- 100% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.87 / 10 · ranked #3,973,135 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4 s |
| CLS | 0 |
| TTFB | 3100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.38.54, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 576,548, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.thuvienpdf.com | 22 |
| thuvienpdf.com | 20 |
Full technology history →
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Recent changes
- dropped Snowplow Analytics May 2026