# What does Rollbar use? Rollbar (rollbar.com) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-10-21). - Founded: 2011 - LinkedIn: https://www.linkedin.com/company/rollbar ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | DNS verification records, Website code | | | [Mixpanel](https://www.runsonwhat.com/reverse/mixpanel) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Website code | | | [ReadMe](https://www.runsonwhat.com/reverse/readme) | Support & Docs | Custom domain | | ## 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 | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Gradle Develocity](https://www.runsonwhat.com/reverse/gradle) | Dev Tools | DNS verification records | | ## Recent changes at Rollbar - 2026-10-21: started using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt) ## FAQ ### What tools does Rollbar use? As of October 2026, runsonwhat has found 26 tools at Rollbar (rollbar.com) in public records. Edge & Hosting: Cloudflare, Google Cloud and Amazon CloudFront. Application: Google Fonts, React and Anthropic. Data & Observability: Google Analytics, Atlassian Statuspage and Mixpanel. Go-to-market: Google Ads, HubSpot and HubSpot CMS. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 21, 2026. ### What cloud does Rollbar run on? Rollbar uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through Google Cloud code on rollbar.com. Google Cloud is used by 76,310 companies runsonwhat tracks. ### What CRM does Rollbar use? Rollbar uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 95,241 companies runsonwhat tracks. ### What email provider does Rollbar use? Rollbar 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 715,573 companies runsonwhat tracks. ### What does Rollbar use for customer support? Rollbar uses ReadMe for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found ReadMe through a subdomain that points at ReadMe. ReadMe is used by 1,179 companies runsonwhat tracks. ### What analytics tools does Rollbar use? Rollbar uses Google Analytics for analytics, alongside Mixpanel, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on rollbar.com. Google Analytics is used by 895,009 companies runsonwhat tracks. ### Does Rollbar use Google Fonts? Yes. runsonwhat found Google Fonts at Rollbar through Google Fonts code on rollbar.com. Google Fonts is a Media & UI tool used by 818,704 companies runsonwhat tracks. ### Does Rollbar use AI tools? Yes. runsonwhat has found Anthropic at Rollbar; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Rollbar may use more AI tools than these. ### Has Rollbar changed tools recently? Yes. On runsonwhat's rechecks, Rollbar started using llms.txt (latest on October 21, 2026). A change counts only between two checks of rollbar.com done the same way. ### Which companies have a tech stack similar to Rollbar's? The companies with the stacks most like Rollbar's are Elide Technologies, edfapay, Testlify and Zuper, according to runsonwhat (October 2026). Each shares 6 to 13 tools with Rollbar, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Rollbar uses? runsonwhat reads public records only. Of the 26 tools at Rollbar, 8 were found through code on rollbar.com, 8 through DNS records, 6 through subdomains that point at the vendor, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rollbar.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/rollbar.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.