What powers petzolds.com?
Last seen Aug 2026 · 23 technologies across 13 categories
Accessibility
UserWay
since Aug 2020
Analytics
Google Analytics
since Apr 2019
Microsoft Clarity
since Feb 2026
CDN
CRM
MDS Brand
since Aug 2026
Font scripts
JavaScript libraries
OWL Carousel
since Aug 2025
Slick
since Aug 2025
Miscellaneous
Open Graph
since Sep 2024
PaaS
Amazon Web Services
since Aug 2022
Performance
Priority Hints
since Mar 2024
Security
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
Web servers
Nginx
since Apr 2019
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 47% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.87 / 10 · ranked #3,981,796 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 28.8 MB · 122 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected MDS Brand Aug 2026
- detected core-js Jun 2026
- detected Facebook Pixel Jun 2026
- dropped Vimeo May 2026
- detected Microsoft Clarity Feb 2026
- dropped New Relic Nov 2025
- detected Priority Hints Oct 2025