What powers 
studref.com?
Last seen Aug 2026 · 26 technologies across 12 categories
Advertising
ADFOX
since Nov 2022
Criteo
since Sep 2021
DoubleClick Campaign Manager (DCM)
since Mar 2022
Google AdSense
since Jan 2019
Google Publisher Tag
since Feb 2021
OpenX
since Apr 2023
PubMatic
since Oct 2021
Rubicon Project
since Oct 2021
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2024
Programming languages
Security
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Dec 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since Jan 2019
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% phone
- 39% desktop
Kazakhstan
Russia
Uzbekistan
Belarus
Ukraine
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.04 / 10 · ranked #539,491 of all domains
102 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.7 MB · 43 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SCALAXY-AS (5.45.74.77)
- DNS: dyna-ns.net
- Email: studref.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 582,173, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| m.studref.com | 21 |
| studref.com | 9 |