What powers 
certbolt.com?
Last seen Aug 2026 · 10 technologies across 8 categories
Analytics
CDN
Ecommerce
Hosting
JavaScript libraries
Programming languages
Web servers
Webmail
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ati exam | #33 | 280 |
| gre practice test online | #99 | 47 |
| ati nursing test | #32 | 28 |
| ati teas exam | #53 | 19 |
| postgresql vs mysql | #34 | 11 |
| cpp getline | #34 | 9 |
| cpp getline | #34 | 9 |
| getline cpp | #37 | 9 |
| ccna practice test | #75 | 8 |
| ccna practice test | #55 | 8 |
| ccna practice questions | #75 | 8 |
| ccna practice questions | #53 | 8 |
| ccna practice exam | #51 | 8 |
| comptia practice test | #54 | 8 |
| comptia practice exams | #53 | 8 |
| teas nursing exam | #83 | 7 |
| what is sla | #93 | 6 |
| aws ec2 instance types | #50 | 6 |
| google digital marketing certification | #32 | 6 |
| ec2 instance types | #44 | 6 |
| aws instance types | #56 | 5 |
| enumerated types in c | #35 | 5 |
| font weight | #61 | 5 |
| c enum type | #38 | 4 |
| security plus practice test | #86 | 4 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 68% desktop
- 32% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.35 / 10 · ranked #178,745 of all domains
369 referring domains · OpenPageRank
Search traffic
690 est. monthly organic visits (US)
912 keywords in Google's top 30
Core Web Vitals
| LCP | 2.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.1 MB · 64 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PLI-AS (46.19.141.36)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 7,508,173, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted