# What does WARC use? WARC (warc.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-11-09). - LinkedIn: https://www.linkedin.com/company/warc ## 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 | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | 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 | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [Builder.io](https://www.runsonwhat.com/reverse/builderio) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) | Security & Compliance | Email records | | | [Dropbox](https://www.runsonwhat.com/reverse/dropbox) | Collaboration | DNS verification records, Website code | | | [Sage Intacct](https://www.runsonwhat.com/reverse/sage-intacct) | Finance & Legal | DNS verification records | | | [Transcend](https://www.runsonwhat.com/reverse/transcend) | Security & Compliance | Website code | | ## Recent changes at WARC - 2026-11-01: started using again [Sage Intacct](https://www.runsonwhat.com/reverse/sage-intacct) - 2026-11-01: started using again [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-11-01: started using again [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-11-01: started using again [Mimecast](https://www.runsonwhat.com/reverse/mimecast) - 2026-11-01: started using again [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) - 2026-10-31: stopped using [Sage Intacct](https://www.runsonwhat.com/reverse/sage-intacct) - 2026-10-31: stopped using [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) - 2026-10-31: stopped using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) - 2026-10-31: stopped using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-31: stopped using [Mimecast](https://www.runsonwhat.com/reverse/mimecast) ## FAQ ### What tools does WARC use? As of November 2026, runsonwhat has found 26 tools at WARC (warc.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Next.js and Lottie. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Mimecast. Last checked November 9, 2026. ### What cloud does WARC run on? WARC uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on warc.com. Amazon Web Services is used by 147,739 companies runsonwhat tracks. ### What CRM does WARC use? WARC uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 98,246 companies runsonwhat tracks. ### What email provider does WARC use? WARC uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 739,097 companies runsonwhat tracks. ### What analytics tools does WARC use? WARC uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on warc.com. Google Analytics is used by 904,923 companies runsonwhat tracks. ### What is WARC's website built with? WARC uses Builder.io for its website, according to runsonwhat (November 2026). runsonwhat found Builder.io through Builder.io code on warc.com. Builder.io is used by 624 companies runsonwhat tracks. ### Does WARC use Cloudflare? Yes. runsonwhat found Cloudflare at WARC through Cloudflare code on warc.com. Cloudflare is a CDN & Edge tool used by 737,693 companies runsonwhat tracks. ### Has WARC changed tools recently? Yes. On runsonwhat's rechecks, WARC started using Sage Intacct, Google Search Console and Microsoft 365 (latest on November 1, 2026) and stopped using Sage Intacct, Red Sift OnDMARC and Microsoft 365 (latest on October 31, 2026). A change counts only between two checks of warc.com done the same way. ### Which companies have a tech stack similar to WARC's? The companies with the stacks most like WARC's are The Warning Official Store, Karol G Official Store, Contagious and Connecting Africa, according to runsonwhat (November 2026). Each shares 9 to 22 tools with WARC, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what WARC uses? runsonwhat reads public records only. Of the 26 tools at WARC, 17 were found through code on warc.com, 5 through DNS records and 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and warc.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/warc.com (updated November 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.