What powers upstars.com?
Last seen Sep 2026 · 25 technologies across 16 categories
Analytics
Caching
Varnish
since Aug 2026
CDN
Font scripts
Font Awesome
since Aug 2026
Google Font API
since Jan 2023
JavaScript frameworks
Stimulus
since Aug 2026
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Jan 2023
Performance
Priority Hints
since Aug 2026
Turbo
since Aug 2026
Programming languages
Ruby
since Aug 2026
Security
HSTS
since Oct 2024
Tag managers
Google Tag Manager
since Aug 2026
UI frameworks
Animate.css
since Aug 2026
Tailwind CSS
since Aug 2026
Web frameworks
Ruby on Rails
since Aug 2026
Web servers
Nginx
since Sep 2026
Webmail
Google Workspace
since Jan 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% desktop
- 23% phone
Ukraine
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.99 / 10 · ranked #12,732,545 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Ukrainian
- CDN: Cloudflare
- Weight: 1.0 MB · 31 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (198.202.211.1, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 15,132,172, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| career.upstars.com | 18 |
| www.upstars.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Nginx Sep 2026