# What does DEFACTO GmbH use? DEFACTO GmbH (defacto.de) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-10-19). - Based in: Erlangen, Germany - Founded: 1989 - LinkedIn: https://www.linkedin.com/company/28587586 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Mistral AI](https://www.runsonwhat.com/reverse/mistral) | AI | DNS verification records | | ## 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 | | ## 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 | DNS verification records | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain, DNS verification records, Email records, Website code | | | [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code | | | [CleverReach](https://www.runsonwhat.com/reverse/cleverreach) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, 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 | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailjet](https://www.runsonwhat.com/reverse/mailjet) | Email Delivery | Email records, Website code | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Cisco Intersight](https://www.runsonwhat.com/reverse/cisco-intersight) | Dev Tools | DNS verification records | | ## Recent changes at DEFACTO GmbH - 2026-10-19: started using [Google Ads](https://www.runsonwhat.com/reverse/google-ads) - 2026-10-19: started using [Google Search Console](https://www.runsonwhat.com/reverse/gsc) - 2026-10-19: started using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt) ## FAQ ### What tools does DEFACTO use? As of October 2026, runsonwhat has found 25 tools at DEFACTO (defacto.de) in public records. Edge & Hosting: Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 19, 2026. ### What cloud does DEFACTO run on? DEFACTO uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 48,071 companies runsonwhat tracks. ### What email provider does DEFACTO use? DEFACTO uses Microsoft 365 for email and office software, alongside Apple Business, 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 710,129 companies runsonwhat tracks. ### What analytics tools does DEFACTO use? DEFACTO uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on defacto.de. Google Analytics is used by 878,780 companies runsonwhat tracks. ### What is DEFACTO's website built with? DEFACTO uses Contentful for its website, according to runsonwhat (October 2026). runsonwhat found Contentful through Contentful code on defacto.de. Contentful is used by 4,162 companies runsonwhat tracks. ### What marketing software does DEFACTO use? DEFACTO uses Pardot for marketing, alongside CleverReach, according to runsonwhat (October 2026). runsonwhat found Pardot through a subdomain that points at Pardot and a DNS verification record. Pardot is used by 20,286 companies runsonwhat tracks. ### Does DEFACTO use Google Ads? Yes. runsonwhat found Google Ads at DEFACTO through Google Ads code on defacto.de. Google Ads is a Ads & Pixels tool used by 499,052 companies runsonwhat tracks. ### Does DEFACTO use AI tools? Yes. runsonwhat has found Mistral AI at DEFACTO; Mistral AI, for example, through a DNS verification record for Mistral AI. AI services called only from servers leave no public trace, so DEFACTO may use more AI tools than these. ### Has DEFACTO changed tools recently? Yes. On runsonwhat's rechecks, DEFACTO started using Google Ads, Google Search Console and llms.txt (latest on October 19, 2026). A change counts only between two checks of defacto.de done the same way. ### Which companies have a tech stack similar to DEFACTO's? The companies with the stacks most like DEFACTO's are Gps IT, Dassault Systèmes, Ditec, A.s. and JOANNEUM RESEARCH, according to runsonwhat (October 2026). Each shares 5 to 13 tools with DEFACTO, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what DEFACTO uses? runsonwhat reads public records only. Of the 25 tools at DEFACTO, 10 were found through code on defacto.de, 10 through DNS records, 3 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 defacto.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/defacto.de (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.