What powers criticalarc.com?
Last seen Aug 2026 · 45 technologies across 23 categories
Accessibility
UserWay
since Sep 2023
Advertising
AdRoll
since Aug 2020
Analytics
Google Analytics
since Jun 2020
HubSpot Analytics
since Mar 2021
Linkedin Insight Tag
since Nov 2021
CDN
Cloudflare
since Oct 2021
Sucuri
since Jun 2020
CMS
HubSpot CMS Hub
since Jan 2025
Cookie compliance
CookieHub
since Aug 2020
Databases
MySQL
since Jun 2020
Font scripts
JavaScript libraries
Live chat
Freshchat
since Mar 2021
HubSpot Chat
since Jul 2026
Marketing automation
HubSpot
since Aug 2020
Miscellaneous
PaaS
Kinsta
since Oct 2021
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Jun 2020
Reverse proxies
Nginx
since Jun 2020
Security
Cloudflare Bot Management
since Oct 2021
HSTS
since Dec 2022
SEO
Tag managers
Google Tag Manager
since Jun 2020
Webmail
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
WordPress themes
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 77% desktop
- 23% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.81 / 10 · ranked #709,060 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 6.3 MB · 227 requests
- WordPress theme: astra (child: astra-child-ca) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| criticalarc.com | 38 |
| www.criticalarc.com | 15 |
| lp.criticalarc.com | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped PWA Aug 2026
- dropped The SEO Framework Aug 2026
- detected HubSpot WordPress plugin Oct 2025
- detected Linkedin Insight Tag Oct 2025