What powers smogcheckpaloalto.com?
Last seen Aug 2026 · 21 technologies across 13 categories
Analytics
Datadog
since Dec 2022
Google Analytics
since Dec 2022
Microsoft Clarity
since Aug 2024
Snowplow Analytics
since Dec 2022
W3Counter
since Dec 2022
CDN
Cloudflare
since Aug 2024
CMS
Weebly
since Dec 2022
Databases
MySQL
since Dec 2022
Ecommerce
Cart Functionality
since Dec 2022
Square Online
since Dec 2022
Hosting
IONOS
since Dec 2022
Issue trackers
Sentry
since Dec 2022
JavaScript frameworks
Vue.js
since Dec 2022
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2022
PWA
since Dec 2022
Programming languages
PHP
since Dec 2022
Security
Cloudflare Bot Management
since Aug 2024
HSTS
since Aug 2026
Video players
VideoJS
since Aug 2024
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
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #99,254,074 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| CLS | 1.25 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.1 MB · 115 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.