# What does Willow use? Willow (willowvoice.com) shows public evidence of 20 tools, according to runsonwhat (last checked 2026-11-09). - Industry: Consumer - Size: 1–10 employees - Based in: San Francisco, United States ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records | | ## 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 | | | [Supabase](https://www.runsonwhat.com/reverse/supabase) | Backend & Database | Custom domain | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | 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 | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records | | | [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Custom domain, 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 | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | | ## Recent changes at Willow - 2026-10-20: started using [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) ## FAQ ### What tools does Willow use? As of November 2026, runsonwhat has found 20 tools at Willow (willowvoice.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Google Fonts, React and Supabase. Data & Observability: Google Analytics, Microsoft Clarity and PostHog. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, SendGrid and Vanta. Last checked November 9, 2026. ### What cloud does Willow run on? Willow uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 53,107 companies runsonwhat tracks. ### What email provider does Willow use? Willow 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 willowvoice.com. Google Workspace is used by 420,099 companies runsonwhat tracks. ### What analytics tools does Willow use? Willow uses Google Analytics for analytics, alongside Microsoft Clarity and PostHog, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on willowvoice.com. Google Analytics is used by 903,928 companies runsonwhat tracks. ### What is Willow's website built with? Willow uses Framer for its website, according to runsonwhat (November 2026). runsonwhat found Framer through a subdomain that points at Framer and code on willowvoice.com. Framer is used by 6,373 companies runsonwhat tracks. ### What marketing software does Willow use? Willow uses LinkedIn for marketing, according to runsonwhat (November 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 15,680 companies runsonwhat tracks. ### Does Willow use Google Fonts? Yes. runsonwhat found Google Fonts at Willow through Google Fonts code on willowvoice.com. Google Fonts is a Media & UI tool used by 825,552 companies runsonwhat tracks. ### Has Willow changed tools recently? Yes. On runsonwhat's rechecks, Willow started using SendGrid (latest on October 20, 2026). A change counts only between two checks of willowvoice.com done the same way. ### Which companies have a tech stack similar to Willow's? The companies with the stacks most like Willow's are Sweetspot, Nas.com, Sparta Commodities and Fathom, according to runsonwhat (November 2026). Each shares 6 to 15 tools with Willow, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Willow uses? runsonwhat reads public records only. Of the 20 tools at Willow, 11 were found through code on willowvoice.com, 4 through subdomains that point at the vendor, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and willowvoice.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/willowvoice.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.