libgen.ad – Free digital academic library website – Analysis on Jun 27, 2025
Analysis performed on Jun 27, 2025
This is a comprehensive technical analysis of libgen.ad performed on June 27, 2025. The analysis includes DNS configuration, server information, WHOIS data, and HTTP response details.
Purpose and Target:
The site explicitly states it is "Libgen (Library Genesis) – World's largest free digital library for academic books, research papers, articles, and scholarly content." It provides free access to academic and scholarly materials.
Location:
The domain libgen.ad is registered through Namecheap, Inc. based in Phoenix, Arizona, USA. The site’s DNS is hosted on Cloudflare nameservers (laura.ns.cloudflare.com and louis.ns.cloudflare.com). No direct server location is specified beyond Cloudflare usage.
Tech:
Confirmed technologies include Bootstrap (front-end framework), Angular (JavaScript framework), Google Analytics, Google Tag Manager, and Cloudflare (content delivery and DNS provider).
SEO:
Meta description present: "Libgen (Library Genesis) – World's largest free digital library for academic books, research papers, articles, and scholarly content."
Meta keywords: None found.
Robots meta tag: "index,follow"
Other meta tags include viewport settings and mobile web app configurations.
Security:
HTTPS is enabled, indicating secure connections. However, SSL certificate details are marked invalid or not implemented. No other security issues are visible.
Content Status:
The site contains substantial content with 32,66 words and nearly 50,000 characters. The content is fully available and not under construction.
Accessibility:
ARIA attributes are present, and headings are properly structured. However, only 20% of images have alt text, skip navigation links are absent, and form input labels are incomplete. Accessibility needs improvement.
Summary:
Libgen.ad is a free digital library platform offering academic and scholarly resources. It uses modern web technologies including Bootstrap, Angular, and Cloudflare. SEO metadata is in place with a clear description but no keywords. HTTPS is active though SSL certificate details are invalid or missing. Accessibility features exist but require enhancements.
The domain libgen.ad was registered on June 10, 2025, indicating it is currently less than a year old. It is set to expire on June 10, 2026, and has a status of "client transfer prohibited" and "server transfer prohibited." The registrar for this domain is Namecheap, Inc., and it is configured with Cloudflare nameservers, specifically laura.ns.cloudflare.com and louis.ns.cloudflare.com.
The DNS configuration for libgen.ad utilizes Cloudflare's nameservers, with multiple A and AAAA records pointing to various IP addresses for load balancing. Security implementation indicates HTTPS is enabled, but the SSL certificate is not valid, and HSTS is not configured. The technology stack includes Cloudflare as the server, alongside frameworks and tools like Bootstrap, Angular, Google Analytics, and Google Tag Manager.
DNS Records
A Records
Host
IP Address
TTL
@
104.21.96.1
300
MX Records
Host
Mail Server
Priority
TTL
libgen.ad
mail.libgen.ad
10
300
NS Records
Host
Target
TTL
libgen.ad
louis.ns.cloudflare.com
21600
libgen.ad
laura.ns.cloudflare.com
21600
SSL & Security
HTTPS Status
✅ Enabled
HSTS<
/strong>
⚠️ Not Enabled
Security Summary
The website uses HTTPS for secure connections.
Technologies
Server Software
cloudflare
Detected Technologies
Bootstrap, Angular, Google Analytics, Google Tag Manager, Cloudflare
Technology Summary
The website uses technologies including Bootstrap, Angular, Google Analytics, Google Tag Manager, Cloudflare. Server: cloudflare.
Content Information
Content Size
3266 words
Meta Description
Libgen (Library Genesis) – World's largest free digital library for academic books, research papers, articles, and scholarly content.
Content Analysis
The site contains 3266 words of content. It has proper meta tags for SEO.