As of October 8, 2026, Google AJAX Feed API is used by 27,745 websites in the TechLeads index: 0.69% of all Feed readers detections, the 2nd most-used of 10 Feed readers technologies.
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Citation
TechLeads. "Google AJAX Feed API Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/google-ajax-feed-api/market-shareHTML link
<a href="https://techleads.fyi/technology/google-ajax-feed-api/market-share">Google AJAX Feed API market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Feed readers detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Pingback Support | 3,969,016 | 99.2% |
| 2 | Google AJAX Feed API | 27,745 | 0.69% |
| 3 | Beehiiv RSS feed | 2,576 | 0.06% |
| 4 | Feedblitz | 611 | 0.02% |
| 5 | Dublin Core | 587 | 0.01% |
| 6 | Google FeedProxy | 440 | 0.01% |
| 7 | Planet |
Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.
See all 27,745 websites using Google AJAX Feed API or download the full list as a CSV for $29.
TechLeads scans public websites and detects Google AJAX Feed API from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Google AJAX Feed API's website count divided by the website counts of all Feed readers technologies we track; a site using two Feed readers tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
| 233 |
| 0.01% |
| 8 | AnnounceKit | 127 | 0.00% |
Rows link to each competitor's market share page where one exists. The table lists the 8 most-used technologies; ranks are by website count.