What powers ul.com?
Last seen Jun 2026 · 163 technologies across 43 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ul certification | #1 | 2,000 |
| sharepoint software | #46 | 1,200 |
| ul laboratories | #1 | 1,100 |
| underwriters laboratories inc | #1 | 1,100 |
| greenguard gold certified | #1 | 1,100 |
| environmental product declaration | #5 | 1,000 |
| ul listed | #1 | 1,000 |
| china compulsory certification | #13 | 600 |
| ul product iq | #2 | 580 |
| wa cap | #97 | 580 |
| greenguard certified | #1 | 490 |
| ul prospector | #2 | 440 |
| ul lab | #1 | 400 |
| what is ul certification | #1 | 400 |
| c ul | #2 | 390 |
| what is ul | #1 | 370 |
| greenguard gold certified | #3 | 350 |
| flammable liquids | #3 | 350 |
| ul certification | #5 | 310 |
| underwriters laboratories logo | #1 | 300 |
| electrical issues | #1 | 300 |
| secr | #90 | 280 |
| csms | #9 | 270 |
| ul llc | #1 | 270 |
| greenguard gold | #1 | 270 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 51% desktop
- 48% phone
- 1% tablet
United States
Japan
Germany
Canada
Türkiye
Mexico
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.31 / 10 · ranked #3,806 of all domains
6,507 referring domains · OpenPageRank
Search traffic
45,600 est. monthly organic visits (US)
23,537 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.5 MB · 24 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ul.com | 36 |
| empoweringtrust.ul.com | 35 |
| experience.ul.com | 32 |
| ctech.ul.com | 28 |
| latam.ul.com | 28 |
| vietnam.ul.com | 28 |
| connect.ul.com | 27 |
| ulstandards.ul.com | 27 |
| australia.ul.com | 26 |
| code-authorities.ul.com | 26 |
| au-nz.ul.com | 25 |
| aws-dewi.ul.com | 25 |
| library.ul.com | 25 |
| ulprospector.ul.com | 25 |
| ims.ul.com | 24 |
| france.ul.com | 23 |
| germany.ul.com | 23 |
| hongkong.ul.com | 23 |
| india.ul.com | 23 |
| taiwan.ul.com | 23 |
| uk.ul.com | 23 |
| italy.ul.com | 22 |
| japan.ul.com | 22 |
| korea.ul.com | 22 |
Full technology history →
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Recent changes
- detected Optimizely Mar 2026
- dropped ClickCease Oct 2025
- detected ClickCease Aug 2025
- detected WordPress Block Editor Aug 2025