What powers 
lena-library.com?
Last seen Sep 2026 · 30 technologies across 18 categories
Analytics
Google Analytics
since Feb 2019
CDN
Cloudflare
since Nov 2024
jsDelivr
since Jun 2021
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Font Awesome
since Jun 2021
Issue trackers
Sentry
since Jun 2021
JavaScript frameworks
JavaScript libraries
Live chat
Tawk.to
since Jun 2021
Miscellaneous
Operating systems
Ubuntu
since Feb 2019
Programming languages
Retargeting
Google Remarketing Tag
since Aug 2021
Security
Cloudflare Bot Management
since Nov 2024
Tag managers
Google Tag Manager
since Mar 2020
Web frameworks
Express
since Jun 2021
Web servers
Widgets
Facebook
since Jun 2019
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 31% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #799,542 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0.25 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 6.3 MB · 45 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (162.159.140.98)
- DNS: auroradns.eu
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 7,051,338, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| lena-library.com | 24 |
| www.lena-library.com | 21 |