What powers jack.com?
Last seen Aug 2026 · 23 technologies across 18 categories
Advertising
Adform
since Feb 2026
Analytics
Google Analytics
since Jun 2021
CDN
Cloudflare
since Feb 2026
CRM
Zoho
since Aug 2026
Databases
Font scripts
Google Font API
since Aug 2026
JavaScript frameworks
Svelte
since Aug 2026
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Jan 2019
Performance
Priority Hints
since Aug 2026
Programming languages
Node.js
since Aug 2026
Reviews
Trustpilot
since Feb 2026
Security
HSTS
since Aug 2026
Tag managers
Google Tag Manager
since Jun 2021
UI frameworks
Web server extensions
Web servers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
The other 27 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 14% desktop
United States
United Kingdom
Canada
Australia
Germany
Georgia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.13 / 10 · ranked #3,252,285 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.8 s |
| INP | 300 ms |
| CLS | 0.9 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.6 MB · 188 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| jack.com | 17 |
| www.jack.com | 17 |
| m.jack.com | 12 |