# What does SIRPLUS use? SIRPLUS (sirplus.de) shows public evidence of 26 tools, according to runsonwhat (last checked 2026-11-01). - Based in: Germany - LinkedIn: https://www.linkedin.com/company/sirplusde ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | ## 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 | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | Website code | | | [Recharge](https://www.runsonwhat.com/reverse/recharge) | Payments & Billing | 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 | | | [Bugsnag](https://www.runsonwhat.com/reverse/bugsnag) | Monitoring | Website code | | | [ABlyft](https://www.runsonwhat.com/reverse/ablyft) | Flags & Experiments | 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 | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain, DNS records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [The Trade Desk](https://www.runsonwhat.com/reverse/tradedesk) | Ads & Pixels | Website code | | | [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | Website code | | | [MediaMath](https://www.runsonwhat.com/reverse/mediamath) | Ads & Pixels | Website code | | | [Adform](https://www.runsonwhat.com/reverse/adform) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [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, Website code | | ## FAQ ### What tools does SIRPLUS use? As of November 2026, runsonwhat has found 26 tools at SIRPLUS (sirplus.de) in public records. Edge & Hosting: Cloudflare. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace and SendGrid. Last checked November 1, 2026. ### What email provider does SIRPLUS use? SIRPLUS uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on sirplus.de. Google Workspace is used by 416,961 companies runsonwhat tracks. ### What does SIRPLUS use for customer support? SIRPLUS uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and code on sirplus.de. Zendesk is used by 43,358 companies runsonwhat tracks. ### What payment provider does SIRPLUS use? SIRPLUS uses PayPal for payments and billing, alongside Recharge, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on sirplus.de. PayPal is used by 35,169 companies runsonwhat tracks. ### What analytics tools does SIRPLUS use? SIRPLUS uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on sirplus.de. Google Analytics is used by 904,724 companies runsonwhat tracks. ### What is SIRPLUS's website built with? SIRPLUS uses Shopify for its website, according to runsonwhat (November 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 61,224 companies runsonwhat tracks. ### Does SIRPLUS use Google Fonts? Yes. runsonwhat found Google Fonts at SIRPLUS through Google Fonts code on sirplus.de. Google Fonts is a Media & UI tool used by 825,508 companies runsonwhat tracks. ### Which companies have a tech stack similar to SIRPLUS's? The companies with the stacks most like SIRPLUS' are Glow25, Viktilabs, Kloster Kitchen and vetevo, according to runsonwhat (November 2026). Each shares 16 to 19 tools with SIRPLUS, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what SIRPLUS uses? runsonwhat reads public records only. Of the 26 tools at SIRPLUS, 19 were found through code on sirplus.de, 2 through DNS records, 2 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sirplus.de about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/sirplus.de (updated November 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.