What powers summer.fi?
Last seen Oct 2026 · 50 technologies across 23 categories
Analytics
Fathom
since Feb 2024
Google Analytics
since Jul 2023
Tinybird
since Nov 2025
Vercel Speed Insights
since Feb 2026
Caching
Varnish
since Sep 2023
CDN
Amazon CloudFront
since Jul 2023
Amazon S3
since Jun 2025
Cloudflare
since Aug 2023
jQuery CDN
since Sep 2023
jsDelivr
since Jul 2023
CMS
Development
Turbopack
since Aug 2026
Documentation
GitBook
since Aug 2023
Amazon SES
since Aug 2023
Font scripts
Font Awesome
since Feb 2026
Google Font API
since Feb 2026
Issue trackers
Sentry
since Jul 2023
JavaScript frameworks
Ember.js
since Oct 2025
Emotion
since Jul 2023
Next.js App Router
since Apr 2024
React
since Jul 2023
JavaScript libraries
Ethers
since Jul 2023
web-vitals
since Oct 2025
Live chat
Intercom
since Feb 2026
Message boards
Miscellaneous
HTTP/3
since Aug 2023
Open Graph
since Jul 2023
PWA
since Jul 2023
RSS
since Jul 2023
Webpack
since Jul 2023
PaaS
Amazon Web Services
since Jul 2023
Vercel
since Aug 2025
Performance
Priority Hints
since Apr 2024
Programming languages
Recruitment & staffing
Workable
since Jul 2023
Security
Cloudflare Bot Management
since Feb 2026
HSTS
since Jul 2023
UI frameworks
Chakra UI
since Feb 2026
Web frameworks
Ruby on Rails
since Oct 2025
Web servers
Webmail
Google Workspace
since Jul 2023
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 Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
4.69 / 10 · ranked #342,085 of all domains
95 referring domains · OpenPageRank
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.4 MB · 18 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Dec 2012 (13 years), renews Dec 2026
- Hosted on Amazon Web Services (13.32.179.27)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 2,850,752, 12 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gov.summer.fi | 24 |
| blog.summer.fi | 17 |
| docs.summer.fi | 16 |
| pro.summer.fi | 15 |
| forum.summer.fi | 13 |
| summer.fi | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Facebook Pixel Sep 2026
- dropped Google Tag Manager Sep 2026
- detected Turbopack Aug 2026