What powers sternbergs.com?
Last seen Aug 2026 · 22 technologies across 14 categories
A/B Testing
Advertising
Analytics
CDN
Feature management
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
RUM
Security
Tag managers
UI frameworks
Web servers
AI Crawlers
Restricts 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- CCBot Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
8 of 33 AI crawlers restricted
Standards: llms.txt
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.94 / 10 · ranked #13,850,668 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0.6 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Akamai
- Weight: 1.6 MB · 117 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Industry: Automotive (declares
AutoDealer)
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on COXAUTO (64.70.56.99)
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 28,566,157
- Verified with: 1Password, Cisco Duo, Google, OpenAI
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Open Graph Jul 2026
- dropped Akamai May 2026
- dropped Akamai mPulse May 2026
- dropped Boomerang May 2026