What powers optimist.in?
Last seen Aug 2026 · 28 technologies across 15 categories
Analytics
CDN
Development
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Payment processors
Performance
Programming languages
Reverse proxies
Tag managers
UI frameworks
AI Crawlers
Restricts 17 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Claude-SearchBot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
- YouBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 16 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
17 of 33 AI crawlers restricted
Standards: llms.txt, llms-full.txt
Audience
- 98% phone
- 2% desktop
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.32 / 10 · ranked #8,389,951 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 8.6 MB · 641 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| www.optimist.in | 28 |
| optimist.in | 25 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Envoy Aug 2026
- detected HTTP/3 Aug 2026
- detected Open Graph Aug 2026
- dropped GSAP Jul 2026
- dropped Lenis Jul 2026
- detected Razorpay Jul 2026
- detected Svelte Jul 2026
- detected Cart Functionality May 2026
- detected jsDelivr May 2026
- detected Marked May 2026
- detected Sendgrid May 2026
- detected Socket.io May 2026
- detected Microsoft Clarity Apr 2026
- detected core-js Mar 2026
- detected Facebook Pixel Mar 2026
- detected Shopify Mar 2026