# What does Contagious use? Contagious (contagious.com) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-19). - Industry: Marketing and Advertising - Size: 51–200 employees - Based in: London, United Kingdom - Founded: 2004 - LinkedIn: https://www.linkedin.com/company/contagious-communications ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code | | ## 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 | | | [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 | | | [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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Email records | | | [Unbounce](https://www.runsonwhat.com/reverse/unbounce) | Website & CMS | Custom domain | 2023-07 | | [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, Email records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records, Email records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [Transcend](https://www.runsonwhat.com/reverse/transcend) | Security & Compliance | Website code | | ## FAQ ### What tools does Contagious use? As of October 2026, runsonwhat has found 28 tools at Contagious (contagious.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Vimeo, React and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 19, 2026. ### What cloud does Contagious run on? Contagious uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on contagious.com. Amazon Web Services is used by 145,449 companies runsonwhat tracks. ### What CRM does Contagious use? Contagious uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on contagious.com. HubSpot is used by 93,558 companies runsonwhat tracks. ### What email provider does Contagious use? Contagious uses Microsoft 365 for email and office software, alongside Google Workspace, 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 709,013 companies runsonwhat tracks. ### What analytics tools does Contagious use? Contagious uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on contagious.com. Google Analytics is used by 872,690 companies runsonwhat tracks. ### What is Contagious's website built with? Contagious uses Unbounce for its website, alongside Builder.io, according to runsonwhat (October 2026). runsonwhat found Unbounce through a subdomain that points at Unbounce, and Contagious has used it since at least July 2023. Unbounce is used by 3,299 companies runsonwhat tracks. ### How long has Contagious used Unbounce? Contagious has used Unbounce since at least July 2023, going by the first public certificate of the contagious.com subdomain that points at Unbounce. ### Does Contagious use Cloudflare? Yes. runsonwhat found Cloudflare at Contagious through DNS records that point at Cloudflare and code on contagious.com. Cloudflare is a CDN & Edge tool used by 700,537 companies runsonwhat tracks. ### Which companies have a tech stack similar to Contagious's? The companies with the stacks most like Contagious' are Inboxdollars, University of Wisconsin Green Bay Athletics, Designcon and Mann-Northway Chevrolet GMC Buick, according to runsonwhat (October 2026). Each shares 7 to 15 tools with Contagious, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Contagious uses? runsonwhat reads public records only. Of the 28 tools at Contagious, 16 were found through code on contagious.com, 6 through email records, 4 through DNS records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and contagious.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/contagious.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.