# What does Yahoo use? Yahoo (yahoo.com) shows public evidence of 45 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Internet - Size: 5,001–10,000 employees - Based in: New York, United States - Founded: 1998 - LinkedIn: https://www.linkedin.com/company/yahoo ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Brightcove](https://www.runsonwhat.com/reverse/brightcove) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [comScore](https://www.runsonwhat.com/reverse/comscore) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website code | | | [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website code | | | [Google AdSense](https://www.runsonwhat.com/reverse/google-adsense) | Ads & Pixels | Website code | | | [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code | | | [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website code | | | [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website code | | | [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website code | | | [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code | | | [Media.net](https://www.runsonwhat.com/reverse/media-net) | Ads & Pixels | Website code | | | [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website code | | | [TripleLift](https://www.runsonwhat.com/reverse/triplelift) | Ads & Pixels | Website code | | | [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code | | | [RTB House](https://www.runsonwhat.com/reverse/rtb-house) | Ads & Pixels | Website code | | | [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code | | | [Quantcast](https://www.runsonwhat.com/reverse/quantcast) | Ads & Pixels | Website code | | | [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code | | | [MediaMath](https://www.runsonwhat.com/reverse/mediamath) | Ads & Pixels | Website code | | | [33Across](https://www.runsonwhat.com/reverse/33across) | Ads & Pixels | Website code | | | [Nativo](https://www.runsonwhat.com/reverse/nativo) | Ads & Pixels | Website code | | | [MGID](https://www.runsonwhat.com/reverse/mgid) | Ads & Pixels | Website code | | | [Clickagy](https://www.runsonwhat.com/reverse/clickagy) | Sales & CRM | Website code | | | [Adform](https://www.runsonwhat.com/reverse/adform) | Ads & Pixels | Website code | | | [MNTN](https://www.runsonwhat.com/reverse/mntn) | Ads & Pixels | Website code | | | [Smart Ad Server](https://www.runsonwhat.com/reverse/smart-ad-server) | Ads & Pixels | Website code | | | [GumGum](https://www.runsonwhat.com/reverse/gumgum) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records, DNS records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Agari](https://www.runsonwhat.com/reverse/agari) | Security & Compliance | Email records | | ## FAQ ### What tools does Yahoo use? As of October 2026, runsonwhat has found 45 tools at Yahoo (yahoo.com) in public records. Edge & Hosting: Cloudflare and Amazon CloudFront. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and comScore. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: reCAPTCHA, GlobalSign and Sectigo. Last checked October 9, 2026. ### What sales tools does Yahoo use? The sales tools runsonwhat has found at Yahoo are Demandbase and Clickagy (October 2026); no CRM shows up in Yahoo's public records. runsonwhat found Demandbase through Demandbase code on yahoo.com. ### What analytics tools does Yahoo use? Yahoo uses Google Analytics for analytics, alongside Google Tag Manager and comScore, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on yahoo.com. Google Analytics is used by 852,573 companies runsonwhat tracks. ### Does Yahoo use Cloudflare? Yes. runsonwhat found Cloudflare at Yahoo through Cloudflare code on yahoo.com. Cloudflare is a CDN & Edge tool used by 692,383 companies runsonwhat tracks. ### Which companies have a tech stack similar to Yahoo's? The companies with the stacks most like Yahoo's are AOL, Young Hollywood, AOL.com and RadarOnline, according to runsonwhat (October 2026). Each shares 31 to 43 tools with Yahoo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Yahoo uses? runsonwhat reads public records only. Of the 45 tools at Yahoo, 38 were found through code on yahoo.com, 5 through DNS records, 1 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and yahoo.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/yahoo.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.