What powers harshubh.com?
Last seen Sep 2026 · 65 technologies across 27 categories
A/B Testing
Advertising
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
IaaS
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
WordPress plugins
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 Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 petalbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 73% phone
- 27% desktop
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.89 / 10 · ranked #1,782,762 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly, Google
- Weight: 2.9 MB · 288 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.82.202, IPv6)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 60,401,595, 2 hosts
- Verified with: Google, Meta Business
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| harshubh.com | 32 |
| www.harshubh.com | 27 |
| learn.harshubh.com | 25 |
| event.harshubh.com | 8 |
Full technology history →
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Recent changes
- detected Mailgun Aug 2026
- detected Cloudflare Browser Insights Jul 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected Ahoy May 2026
- detected Ruby May 2026
- detected Ruby on Rails May 2026
- dropped Ahoy Apr 2026
- dropped Envoy Apr 2026
- dropped Ruby Apr 2026
- dropped Ruby on Rails Apr 2026
- dropped Cloudflare Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- detected Envoy Feb 2026
- detected Cloudflare Dec 2025
- detected Cloudflare Bot Management Dec 2025