# What does Cosmopolitan use? Cosmopolitan (cosmopolitan.com) shows public evidence of 54 tools, according to runsonwhat (last checked 2026-10-19). - Industry: Publishing - Size: 51–200 employees - Based in: United States - LinkedIn: https://www.linkedin.com/company/hearst-magazines ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Custom domain, DNS records | 2020-05 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [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 | | | [TollBit](https://www.runsonwhat.com/reverse/tollbit) | AI | DNS verification records | | ## 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 | | | [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code | | | [Parse.ly](https://www.runsonwhat.com/reverse/parsely) | Analytics | Website code | | | [Marfeel](https://www.runsonwhat.com/reverse/marfeel) | Analytics | Website code | | | [Ensighten](https://www.runsonwhat.com/reverse/ensighten) | Analytics | Website code | | | [Simple Analytics](https://www.runsonwhat.com/reverse/simple-analytics) | Analytics | Website code | | | [SpeedCurve](https://www.runsonwhat.com/reverse/speedcurve) | Monitoring | 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, Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website code, Website config | | | [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website config, Website code | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code | | | [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website config | | | [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code | | | [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config | | | [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website config | | | [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services) | Ads & Pixels | Website code, Website config | | | [Media.net](https://www.runsonwhat.com/reverse/media-net) | Ads & Pixels | Website config | | | [Index Exchange](https://www.runsonwhat.com/reverse/index-exchange) | Ads & Pixels | Website config | | | [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code | | | [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website config | | | [TripleLift](https://www.runsonwhat.com/reverse/triplelift) | Ads & Pixels | Website config | | | [Teads](https://www.runsonwhat.com/reverse/teads) | Ads & Pixels | Website config, Website code | | | [RTB House](https://www.runsonwhat.com/reverse/rtb-house) | Ads & Pixels | Website code | | | [ID5](https://www.runsonwhat.com/reverse/id5) | Ads & Pixels | Website code | | | [Outbrain](https://www.runsonwhat.com/reverse/outbrain) | Ads & Pixels | Website config | | | [Lotame](https://www.runsonwhat.com/reverse/lotame) | Ads & Pixels | Website code | | | [Attentive](https://www.runsonwhat.com/reverse/attentive) | Marketing | Custom domain | 2026-09 | | [Integral Ad Science](https://www.runsonwhat.com/reverse/integral-ad-science) | Ads & Pixels | Website code | | | [Skai](https://www.runsonwhat.com/reverse/skai) | Ads & Pixels | Website code | | | [Sailthru](https://www.runsonwhat.com/reverse/sailthru) | Marketing | Email records, Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | ## FAQ ### What tools does Cosmopolitan use? As of October 2026, runsonwhat has found 54 tools at Cosmopolitan (cosmopolitan.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Vimeo, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and comScore. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, reCAPTCHA and GlobalSign. Last checked October 19, 2026. ### What cloud does Cosmopolitan run on? Cosmopolitan uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on cosmopolitan.com. Amazon Web Services is used by 145,737 companies runsonwhat tracks. ### What email provider does Cosmopolitan use? Cosmopolitan uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 712,498 companies runsonwhat tracks. ### What analytics tools does Cosmopolitan use? Cosmopolitan uses Google Analytics for analytics, alongside Google Tag Manager, comScore and Parse.ly, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cosmopolitan.com. Google Analytics is used by 881,861 companies runsonwhat tracks. ### What marketing software does Cosmopolitan use? Cosmopolitan uses Attentive for marketing, alongside Sailthru, according to runsonwhat (October 2026). runsonwhat found Attentive through a subdomain that points at Attentive, and Cosmopolitan has used it since at least September 2026. Attentive is used by 3,327 companies runsonwhat tracks. ### What monitoring tools does Cosmopolitan use? Cosmopolitan uses SpeedCurve for monitoring, according to runsonwhat (October 2026). runsonwhat found SpeedCurve through SpeedCurve code on cosmopolitan.com. SpeedCurve is used by 462 companies runsonwhat tracks. ### How long has Cosmopolitan used Fastly? Cosmopolitan has used Fastly since at least May 2020, going by the first public certificate of the cosmopolitan.com subdomain that points at Fastly. Other long-running tools at Cosmopolitan include Attentive (since September 2026). ### Does Cosmopolitan use Cloudflare? Yes. runsonwhat found Cloudflare at Cosmopolitan through Cloudflare code on cosmopolitan.com. Cloudflare is a CDN & Edge tool used by 704,380 companies runsonwhat tracks. ### Does Cosmopolitan use AI tools? Yes. runsonwhat has found TollBit at Cosmopolitan; TollBit, for example, through a DNS verification record for TollBit. AI services called only from servers leave no public trace, so Cosmopolitan may use more AI tools than these. ### Which companies have a tech stack similar to Cosmopolitan's? The companies with the stacks most like Cosmopolitan's are Women, Esquire, Woman and Popular Mechanics, according to runsonwhat (October 2026). Each shares 52 to 53 tools with Cosmopolitan, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Cosmopolitan uses? runsonwhat reads public records only. Of the 54 tools at Cosmopolitan, 34 were found through code on cosmopolitan.com, 10 through website configuration files, 6 through DNS records, 2 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cosmopolitan.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/cosmopolitan.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.