# What does Leadfeeder use? Leadfeeder (leadfeeder.com) shows public evidence of 39 tools, according to runsonwhat (last checked 2026-10-31). - Based in: Karlsruhe, Germany - LinkedIn: https://www.linkedin.com/company/leadfeeder ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code | | | [Astro](https://www.runsonwhat.com/reverse/astro) | 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 | | | [VWO](https://www.runsonwhat.com/reverse/vwo) | Flags & Experiments | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain | 2019-10 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | DNS verification records, Website code | | | [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign) | Marketing | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code | | | [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code | | | [PartnerStack](https://www.runsonwhat.com/reverse/partnerstack) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [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 | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | | [URIports](https://www.runsonwhat.com/reverse/uriports) | Security & Compliance | Email records | | | [CookieHub](https://www.runsonwhat.com/reverse/cookiehub) | Security & Compliance | Website code | | | [HackerOne](https://www.runsonwhat.com/reverse/hackerone) | Security & Compliance | DNS verification records | | | [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | DNS verification records | | | [SentinelOne](https://www.runsonwhat.com/reverse/sentinelone) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does Leadfeeder use? As of November 2026, runsonwhat has found 39 tools at Leadfeeder (leadfeeder.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Tailwind CSS, Anthropic and Lottie. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: LinkedIn Insight Tag, Microsoft Ads and Mailchimp. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 31, 2026. ### What cloud does Leadfeeder run on? Leadfeeder uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on leadfeeder.com. Amazon Web Services is used by 146,570 companies runsonwhat tracks. ### What CRM does Leadfeeder use? Leadfeeder uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through a DNS verification record for HubSpot and code on leadfeeder.com. HubSpot is used by 96,051 companies runsonwhat tracks. ### What email provider does Leadfeeder use? Leadfeeder uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 718,430 companies runsonwhat tracks. ### What does Leadfeeder use for customer support? Leadfeeder uses Intercom for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Intercom through Intercom code on leadfeeder.com. Intercom is used by 9,110 companies runsonwhat tracks. ### What analytics tools does Leadfeeder use? Leadfeeder uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Segment, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on leadfeeder.com. Google Analytics is used by 905,639 companies runsonwhat tracks. ### How long has Leadfeeder used Atlassian Statuspage? Leadfeeder has used Atlassian Statuspage since at least October 2019, going by the first public certificate of the leadfeeder.com subdomain that points at Atlassian Statuspage. ### Does Leadfeeder use Cloudflare? Yes. runsonwhat found Cloudflare at Leadfeeder through Cloudflare code on leadfeeder.com. Cloudflare is a CDN & Edge tool used by 722,556 companies runsonwhat tracks. ### Does Leadfeeder use AI tools? Yes. runsonwhat has found Anthropic at Leadfeeder; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Leadfeeder may use more AI tools than these. ### Which companies have a tech stack similar to Leadfeeder's? The companies with the stacks most like Leadfeeder's are Kikoff, Browserbase, LiveKit and Datology AI, according to runsonwhat (November 2026). Each shares 12 to 19 tools with Leadfeeder, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Leadfeeder uses? runsonwhat reads public records only. Of the 39 tools at Leadfeeder, 18 were found through code on leadfeeder.com, 13 through DNS records, 6 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 leadfeeder.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/leadfeeder.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.