Websites using JSS
JSS is an authoring tool for CSS which allows you to use JavaScript to describe styles in a declarative, conflict-free and reusable way.
JSS is available as open-source software.
Wappalyzer tracks 260,000 live websites using JSS. Find top JSS websites, and build a filtered list of companies using JSS.
Top websites using JSS
These are the most trafficked websites using JSS.
| Hostname | Traffic | Tech spend | Country |
|---|---|---|---|
| expense.moneyforward.com | Very high | Medium | 🇺🇸 |
| app.outlier.ai | Very high | Very high | 🇦🇮 |
| 99designs.com | Very high | Very high | 🇺🇸 |
| account.ycombinator.com | Very high | Medium | 🇺🇸 |
| academic.oup.com | Very high | Very high | 🇺🇸 |
| accounts.shutterstock.com | Very high | High | 🇺🇸 |
| accounts.latamairlines.com | Very high | Very high | 🇺🇸 |
| app.luminpdf.com | Very high | Very high | 🇺🇸 |
| lancers.jp | High | Very high | 🇯🇵 |
| web.outreach.io | High | Very high | 🇺🇸 |
| signin.concentrix.com | High | Medium | 🇳🇱 |
| alza.cz | High | Very high | 🇨🇿 |
| reclameaqui.com.br | High | Very high | 🇧🇷 |
| download.transfer.hennge.com | High | Medium | 🇺🇸 |
| account.ubisoft.com | High | Very high | 🇨🇦 |
| zozo.jp | High | Very high | 🇯🇵 |
| cliente.hostgator.com.br | High | High | 🇧🇷 |
| coursera.org | Very low | 🇺🇸 | |
| bark.com | Medium | 🇺🇸 | |
| bilibili.com | Very low | 🇨🇳 | |
| app.instantly.ai | Medium | 🇨🇦 | |
| chatgpt.com | Medium | 🇺🇸 | |
| marriott.com | Medium | 🇺🇸 | |
| preply.com | High | 🇺🇸 | |
| msn.com | Very low | 🇺🇸 |
Where is JSS used?
A breakdown of countries and languages across the websites where Wappalyzer detects JSS.
Countries
Languages
Top alternatives to JSS
The largest alternative technologies in the same category, ranked by detected websites.
| Technology | Websites |
|---|---|
| 5,000,000 | |
| 2,800,000 | |
| 2,500,000 | |
| 2,100,000 | |
| 1,600,000 | |
| 1,600,000 | |
| 1,600,000 | |
| 1,500,000 | |
| 1,400,000 | |
| 1,200,000 |
Find companies using JSS
Get company and contact details for 260,000 JSS websites, so you can turn research into outreach faster.
Get the full listStart with a list template
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Companies in United States
Find JSS companies located in United States.
Companies in United Kingdom
Find JSS companies located in United Kingdom.
Companies with emails and phone numbers
Prioritize JSS websites with both contact types available.
Top 5,000 websites by traffic
Start with the highest-traffic JSS websites in the dataset.
Websites with a .com domain
Limit results to JSS websites on .com domains.
5,000 low-traffic websites
Focus on lower-traffic JSS websites for long-tail prospecting.