As of October 8, 2026, Amazon Ad System is used by 74,719 websites in the TechLeads index: 0.80% of all Advertising detections, the 20th most-used of 293 Advertising technologies.
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Citation
TechLeads. "Amazon Ad System Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/amazon-ad-system/market-shareHTML link
<a href="https://techleads.fyi/technology/amazon-ad-system/market-share">Amazon Ad System market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Advertising detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Google AdSense | 2,043,203 | 22.0% |
| 2 | Microsoft Advertising | 953,074 | 10.3% |
| 3 | DoubleClick.Net | 729,297 | 7.8% |
| 4 | Google Adsense Asynchronous | 685,635 | 7.4% |
| 5 | Twitter Ads | 561,819 | 6.0% |
| 6 | Google Publisher Tag | 556,299 | 6.0% |
| 7 |
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 74,719 websites using Amazon Ad System or download the full list as a CSV for $29.
TechLeads scans public websites and detects Amazon Ad System from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Amazon Ad System's website count divided by the website counts of all Advertising technologies we track; a site using two Advertising tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
| Prebid |
| 361,548 |
| 3.9% |
| 8 | ID5 | 359,359 | 3.9% |
| 9 | Amazon Advertising | 273,782 | 2.9% |
| 10 | Criteo | 253,369 | 2.7% |
| 11 | 33Across | 193,447 | 2.1% |
| 12 | AppNexus | 192,373 | 2.1% |
| 13 | PubMatic | 177,278 | 1.9% |
| 14 | Rubicon Project | 169,440 | 1.8% |
| 15 | OpenX | 151,902 | 1.6% |
| 16 | Google Ads | 115,079 | 1.2% |
| 17 | DoubleClick Ad Exchange (AdX) | 90,878 | 0.98% |
| 18 | Taboola | 79,389 | 0.85% |
| 19 | WordAds | 75,105 | 0.81% |
| 20 | Amazon Ad System | 74,719 | 0.80% |
| 21 | LiveIntent | 72,726 | 0.78% |
Rows link to each competitor's market share page where one exists. The table lists the 21 most-used technologies; ranks are by website count.