# What does Opensignal use? Opensignal (opensignal.com) shows public evidence of 37 tools, according to runsonwhat (last checked 2026-10-15). - Industry: Telecommunications - Size: 201–1,000 employees - Based in: Boston, United States - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/opensignal ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records, 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 | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain | 2023-10 | | [Motion](https://www.runsonwhat.com/reverse/framer-motion) | 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [Contentsquare](https://www.runsonwhat.com/reverse/contentsquare) | 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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2022-11 | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [EasyDMARC](https://www.runsonwhat.com/reverse/easydmarc) | Security & Compliance | Email records | | | [Cookie Control](https://www.runsonwhat.com/reverse/civic-cookie-control) | Security & Compliance | Website code | | | [UKG Pro](https://www.runsonwhat.com/reverse/ukg) | People & HR | Email records | | ## FAQ ### What tools does Opensignal use? As of October 2026, runsonwhat has found 37 tools at Opensignal (opensignal.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Google Fonts and Vimeo. 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 reCAPTCHA. Last checked October 15, 2026. ### What cloud does Opensignal run on? Opensignal 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 opensignal.com. Amazon Web Services is used by 144,602 companies runsonwhat tracks. ### What CRM does Opensignal use? Opensignal uses HubSpot for its CRM, alongside ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 91,519 companies runsonwhat tracks. ### What email provider does Opensignal use? Opensignal uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 698,176 companies runsonwhat tracks. ### What does Opensignal use for customer support? Opensignal uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Opensignal has used it since at least November 2022. Zendesk is used by 40,664 companies runsonwhat tracks. ### What analytics tools does Opensignal use? Opensignal 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 opensignal.com. Google Analytics is used by 847,627 companies runsonwhat tracks. ### How long has Opensignal used Zendesk? Opensignal has used Zendesk since at least November 2022, going by the first public certificate of the opensignal.com subdomain that points at Zendesk. Other long-running tools at Opensignal include Auth0 (since October 2023). ### Does Opensignal use jQuery? Yes. runsonwhat found jQuery at Opensignal through jQuery code on opensignal.com. jQuery is a Frontend tool used by 894,059 companies runsonwhat tracks. ### Does Opensignal use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Opensignal; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Opensignal may use more AI tools than these. ### Which companies have a tech stack similar to Opensignal's? The companies with the stacks most like Opensignal's are Onelife Fitness, Robinson, Bradshaw & Hinson, P.A., Orgill and Kronos, according to runsonwhat (October 2026). Each shares 7 to 18 tools with Opensignal, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Opensignal uses? runsonwhat reads public records only. Of the 37 tools at Opensignal, 20 were found through code on opensignal.com, 8 through DNS records, 5 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and opensignal.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/opensignal.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.