# What does FLS use? FLS (fls.com) shows public evidence of 19 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Industrial Manufacturing - Size: 5,001–10,000 employees - Based in: Denmark - Founded: 1882 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS records, Website code | | ## 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 | | ## 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 | | | [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code | | | [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) | Security & Compliance | DNS verification records | | ## Recent changes at FLS - 2026-10-09: started using [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) - 2026-10-09: started using [Dynamics 365 Customer Insights](https://www.runsonwhat.com/reverse/dynamics-365-marketing) ## FAQ ### What tools does FLS use? As of October 2026, runsonwhat has found 19 tools at FLS (fls.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, reCAPTCHA and Cookiebot. Last checked October 9, 2026. ### What cloud does FLS run on? FLS 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 46,290 companies runsonwhat tracks. ### What email provider does FLS use? FLS uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 700,585 companies runsonwhat tracks. ### What analytics tools does FLS use? FLS uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on fls.com. Google Analytics is used by 850,039 companies runsonwhat tracks. ### What marketing software does FLS use? FLS uses Dynamics 365 Customer Insights for marketing, according to runsonwhat (October 2026). runsonwhat found Dynamics 365 Customer Insights through a DNS verification record for Dynamics 365 Customer Insights. Dynamics 365 Customer Insights is used by 5,975 companies runsonwhat tracks. ### Does FLS use Cloudflare? Yes. runsonwhat found Cloudflare at FLS through Cloudflare code on fls.com. Cloudflare is a CDN & Edge tool used by 691,465 companies runsonwhat tracks. ### Has FLS changed tools recently? Yes. On runsonwhat's rechecks, FLS started using Bitwarden and Dynamics 365 Customer Insights (latest on October 9, 2026). A change counts only between two checks of fls.com done the same way. ### Which companies have a tech stack similar to FLS's? The companies with the stacks most like FLS' are DeepReach, Libra Robotics, 보일리 and Clawcast, according to runsonwhat (October 2026). Each shares 3 to 6 tools with FLS, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what FLS uses? runsonwhat reads public records only. Of the 19 tools at FLS, 14 were found through code on fls.com, 3 through DNS records, 1 through email records 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 fls.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/fls.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.