As of October 21, 2026, Respond is used by 277,110 websites in the TechLeads index: 1.6% of all Compatibility detections, the 4th most-used of 14 Compatibility technologies.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Respond Customers and Market Share." Data as of October 21, 2026. https://techleads.fyi/technology/respond/market-shareHTML link
<a href="https://techleads.fyi/technology/respond/market-share">Respond market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Compatibility detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | jQuery Migrate | 15,591,932 | 90.1% |
| 2 | Modernizr | 979,439 | 5.7% |
| 3 | HTML5 Mobile Boilerplate | 423,371 | 2.4% |
| 4 | Respond | 277,110 | 1.6% |
| 5 | PNG Fix | 29,113 | 0.17% |
| 6 | html5shiv | 1,212 | 0.01% |
Rows link to each competitor's market share page where one exists. The table lists the 6 most-used technologies; ranks are by website count.
See all 277,110 websites using Respond or download the full list as a CSV for $29.
TechLeads scans public websites and detects Respond from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Respond's website count divided by the website counts of all Compatibility technologies we track; a site using two Compatibility tools counts for both. Counts were last refreshed on October 21, 2026 and update daily.