# What does Criticaster use? Criticaster (criticaster.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-09). ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Simple Analytics](https://www.runsonwhat.com/reverse/simple-analytics) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Website code | | | [tawk.to](https://www.runsonwhat.com/reverse/tawk) | Support & Docs | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | | [ImprovMX](https://www.runsonwhat.com/reverse/improvmx) | Email Delivery | Email records | | ## Recent changes at Criticaster - 2026-10-09: started using [ImprovMX](https://www.runsonwhat.com/reverse/improvmx) ## FAQ ### What tools does Criticaster use? As of October 2026, runsonwhat has found 16 tools at Criticaster (criticaster.com) in public records. Edge & Hosting: Vercel. Application: Google Fonts, YouTube and React. Data & Observability: Microsoft Clarity, Sentry and Simple Analytics. Go-to-market: WordPress, Shopify and tawk.to. Company Ops: Resend and ImprovMX. Last checked October 9, 2026. ### What cloud does Criticaster run on? Criticaster uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 46,764 companies runsonwhat tracks. ### What does Criticaster use for customer support? Criticaster uses tawk.to for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found tawk.to through tawk.to code on criticaster.com. tawk.to is used by 16,120 companies runsonwhat tracks. ### What analytics tools does Criticaster use? Criticaster uses Microsoft Clarity for analytics, alongside Simple Analytics, according to runsonwhat (October 2026). runsonwhat found Microsoft Clarity through Microsoft Clarity code on criticaster.com. Microsoft Clarity is used by 126,684 companies runsonwhat tracks. ### What is Criticaster's website built with? Criticaster uses WordPress for its website, alongside Shopify, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on criticaster.com. WordPress is used by 582,830 companies runsonwhat tracks. ### What monitoring tools does Criticaster use? Criticaster uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on criticaster.com. Sentry is used by 77,039 companies runsonwhat tracks. ### Does Criticaster use Google Fonts? Yes. runsonwhat found Google Fonts at Criticaster through Google Fonts code on criticaster.com. Google Fonts is a Media & UI tool used by 791,745 companies runsonwhat tracks. ### Has Criticaster changed tools recently? Yes. On runsonwhat's rechecks, Criticaster started using ImprovMX (latest on October 9, 2026). A change counts only between two checks of criticaster.com done the same way. ### Which companies have a tech stack similar to Criticaster's? The companies with the stacks most like Criticaster's are Infortrend, Turpial Airlines, AirPak and Backtowork24, according to runsonwhat (October 2026). Each shares 2 to 4 tools with Criticaster, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Criticaster uses? runsonwhat reads public records only. Of the 16 tools at Criticaster, 12 were found through code on criticaster.com, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and criticaster.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/criticaster.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.