What powers pre.dev?
Last seen Aug 2026 · 33 technologies across 17 categories
Advertising
Reddit Ads
since Sep 2024
Twitter Ads
since Nov 2024
Analytics
Branch
since Sep 2024
Cloudflare Browser Insights
since Sep 2024
Datadog
since Sep 2024
Google Analytics
since Jan 2024
Linkedin Insight Tag
since Jun 2025
Appointment scheduling
Calendly
since Jul 2024
Blogs
Medium
since Sep 2024
CDN
Cloudflare
since Jan 2024
Amazon SES
since Dec 2024
JavaScript frameworks
React
since Jan 2024
JavaScript graphics
Recharts
since Jul 2026
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Dec 2024
Performance
Priority Hints
since Mar 2026
Programming languages
Reverse proxies
Envoy
since Sep 2024
Security
UI frameworks
Webmail
Google Workspace
since Jan 2024
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.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 83% desktop
- 17% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.52 / 10 · ranked #869,858 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.9 MB · 174 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| pre.dev | 25 |
| blog.pre.dev | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Recharts Jul 2026
- dropped Cart Functionality Jun 2026
- detected Cart Functionality Mar 2026
- detected Priority Hints Mar 2026
- dropped Cloudinary Feb 2026