What powers pustak.org?
Last seen Oct 2026 · 22 technologies across 15 categories
Advertising
Google AdSense
since Feb 2018
Analytics
Google Analytics
since Jun 2018
CDN
cdnjs
since Apr 2025
Cloudflare
since Apr 2025
Google Cloud CDN
since Feb 2023
jQuery CDN
since Feb 2022
Cookie compliance
Funding Choices
since Jun 2024
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Nov 2024
IaaS
Google Cloud
since Feb 2023
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Feb 2016
Programming languages
PHP
since Jun 2018
Tag managers
Google Tag Manager
since Mar 2018
UI frameworks
Web frameworks
CodeIgniter
since Jul 2026
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 petalbot removed from robots.txt
- Oct 2026 petalbot added to robots.txt
- Oct 2026 petalbot removed from robots.txt
- Sep 2026 petalbot added to robots.txt
- Aug 2026 petalbot removed from robots.txt
- Aug 2026 petalbot added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 92% phone
- 5% desktop
- 3% tablet
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,360,656 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Google
- Weight: 0.2 MB · 23 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (34.117.198.71)
- DNS: no-ip.com
- Email: pustak.org
- Email security: SPF (hard fail), DMARC quarantine, MTA-STS, BIMI
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 697,955, 29 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| library.pustak.org | 16 |
| ebooks.pustak.org | 14 |
| pratiyogita.pustak.org | 14 |
| academic.pustak.org | 13 |
| ebook.pustak.org | 13 |
| readbooks.pustak.org | 13 |
| adhyatm.pustak.org | 12 |
| it.pustak.org | 12 |
| tladhyatm.pustak.org | 12 |
| tpratiyogita.pustak.org | 12 |
| tadhyatm.pustak.org | 11 |
| tit.pustak.org | 11 |
| tlacademic.pustak.org | 11 |
| tacademic.pustak.org | 10 |
| teacademic.pustak.org | 10 |
| teadhyatm.pustak.org | 10 |
| prayog.pustak.org | 9 |
| tebooks.pustak.org | 8 |
| tepratiyogita.pustak.org | 8 |
| pustak.org | 6 |
| www.pustak.org | 6 |
| nav.pustak.org | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected CodeIgniter Jul 2026
- detected PWA Jul 2026
- detected Google Font API Jun 2026
- dropped Google Font API May 2026
- detected Google Font API Mar 2026
- dropped reCAPTCHA Feb 2026
- dropped TinyMCE Jan 2026