What powers 
linuxcertified.com?
Last seen Sep 2026 · 7 technologies across 6 categories
Analytics
Google Call Conversion Tracking
since Jul 2021
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.56 / 10 · ranked #834,551 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.9 MB · 48 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on 4-LESS-NETWORK (208.84.118.170)
- DNS: Google Cloud DNS
- Email: Rackspace Email
- Email security: no SPF record, no DMARC record, MTA-STS, BIMI
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 2,656,980, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| linuxcertified.com | 7 |
| www.linuxcertified.com | 7 |