What powers 
criticalimpact.com?
Last seen Sep 2026 · 47 technologies across 25 categories
Analytics
CDN
CMS
Databases
Documentation
Font scripts
Issue trackers
JavaScript Frameworks
JavaScript libraries
Load balancers
Marketing automation
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Reverse proxies
Security
SEO
Tag managers
Web frameworks
Web Server Extensions
Web Servers
Webmail
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| customer impact login | #72 | 6 |
| when was email developed | #76 | 6 |
| email campaign | #83 | 6 |
| email subject line capitalization | #13 | 3 |
| do capital letters matter in emails | #46 | 3 |
| does capitalization matter in email addresses | #69 | 3 |
| when did email start | #82 | 3 |
| email origin | #8 | 2 |
| subject line capitalization | #11 | 2 |
| do capitals matter in email | #39 | 2 |
| do capital letters matter in email addresses | #57 | 2 |
| email origins | #9 | 1 |
| how long has email existed | #13 | 1 |
| email marketing blogs | #29 | 1 |
| white label email marketing | #39 | 1 |
| email marketing bloggers | #41 | 1 |
| do capital letters matter in email address | #55 | 1 |
| when did email become popular | #63 | 1 |
| what year was email invented | #76 | 1 |
| when did email come out | #81 | 1 |
| should you capitalize email subject lines | #12 | 0 |
| invention of email | #16 | 0 |
| is for capitalized in a subject line | #18 | 0 |
| capital letters in an email | #19 | 0 |
| should email subject lines be capitalized | #19 | 0 |
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
- 82% desktop
- 18% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.66 / 10 · ranked #140,007 of all domains
296 referring domains · OpenPageRank
Search traffic
47 est. monthly organic visits (US)
90 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 0.0 MB · 7 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered May 2001 (25 years) via Amazon Registrar, Inc., renews May 2027
- Hosted on Cloudflare (162.159.134.42)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 1,070,261, 11 hosts
- Verified with: Google, KnowBe4, Microsoft 365, Atlassian Statuspage
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| criticalimpact.com | 33 |
| support.criticalimpact.com | 11 |
| www.criticalimpact.com | 11 |
| portalc.criticalimpact.com | 9 |
| ci.criticalimpact.com | 8 |
| portal.criticalimpact.com | 7 |