# What does Castafiore use? Castafiore (castafiore.com) shows public evidence of 22 tools, according to runsonwhat (last checked 2026-11-04). - Industry: E-commerce - Size: 1–10 employees - Based in: Paris 16e, France - Founded: 2021 - LinkedIn: https://www.linkedin.com/company/castafioreparis ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, 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 | | ## 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 | | ## 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 | Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code | | | [Weglot](https://www.runsonwhat.com/reverse/weglot) | Website & CMS | Website code | | | [Crisp](https://www.runsonwhat.com/reverse/crisp) | Support & Docs | Website code | | | [Skeepers](https://www.runsonwhat.com/reverse/skeepers) | Marketing | Website code | | | [iAdvize](https://www.runsonwhat.com/reverse/iadvize) | Support & Docs | 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 | Custom domain, Email records | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | ## FAQ ### What tools does Castafiore use? As of November 2026, runsonwhat has found 22 tools at Castafiore (castafiore.com) 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, SendGrid and Cookiebot. Last checked November 4, 2026. ### What email provider does Castafiore use? Castafiore 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 castafiore.com. Google Workspace is used by 420,125 companies runsonwhat tracks. ### What does Castafiore use for customer support? Castafiore uses Crisp for customer support and documentation, alongside iAdvize, according to runsonwhat (November 2026). runsonwhat found Crisp through Crisp code on castafiore.com. Crisp is used by 3,096 companies runsonwhat tracks. ### What payment provider does Castafiore use? Castafiore uses PayPal for payments and billing, according to runsonwhat (November 2026). runsonwhat found PayPal through PayPal code on castafiore.com. PayPal is used by 35,169 companies runsonwhat tracks. ### What analytics tools does Castafiore use? Castafiore uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on castafiore.com. Google Analytics is used by 903,930 companies runsonwhat tracks. ### What is Castafiore's website built with? Castafiore uses Shopify for its website, alongside Weglot, according to runsonwhat (November 2026). runsonwhat found Shopify through Shopify code on castafiore.com. Shopify is used by 61,497 companies runsonwhat tracks. ### Does Castafiore use Google Fonts? Yes. runsonwhat found Google Fonts at Castafiore through Google Fonts code on castafiore.com. Google Fonts is a Media & UI tool used by 825,579 companies runsonwhat tracks. ### Which companies have a tech stack similar to Castafiore's? The companies with the stacks most like Castafiore's are Piecesanspermis.fr, TAO, Damart and MAGIMIX, according to runsonwhat (November 2026). Each shares 8 to 13 tools with Castafiore, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Castafiore uses? runsonwhat reads public records only. Of the 22 tools at Castafiore, 16 were found through code on castafiore.com, 3 through DNS records, 1 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 castafiore.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/castafiore.com (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.