What powers challenge-group.com?
Last seen Sep 2026 · 38 technologies across 21 categories
Advertising
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
United States
India
Israel
Netherlands
Belgium
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.03 / 10 · ranked #1,530,465 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Incapsula
- Weight: 2.7 MB · 132 requests
- WordPress theme: oceanwp (child: oceanwp-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Challenge Group
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Imperva (Incapsula) (45.223.59.167)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: no SPF record, DMARC monitor only
- SSL: GoDaddy, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 11,270,526, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.challenge-group.com | 34 |
| challenge-group.com | 27 |
| career.challenge-group.com | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Sep 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected Microsoft 365 Jan 2026
- detected Amazon SES Nov 2025
- detected Amazon Web Services Nov 2025