# What does Factor use? Factor (factor75.com) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-27). ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Website code | 2021-05 | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | Custom domain | 2019-02 | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Mixpanel](https://www.runsonwhat.com/reverse/mixpanel) | Analytics | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records | | | [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | 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 | | | [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 | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Airtable](https://www.runsonwhat.com/reverse/airtable) | Collaboration | DNS verification records | | | [Wiz](https://www.runsonwhat.com/reverse/wiz) | Security & Compliance | DNS verification records | | | [Wrike](https://www.runsonwhat.com/reverse/wrike) | Collaboration | DNS verification records | | | [Validity](https://www.runsonwhat.com/reverse/validity) | Email Delivery | DNS verification records | | | [Bitrise](https://www.runsonwhat.com/reverse/bitrise) | Dev Tools | DNS verification records | | ## FAQ ### What tools does Factor use? As of October 2026, runsonwhat has found 28 tools at Factor (factor75.com) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and WP Engine. Application: Next.js and Anthropic. Data & Observability: Sentry and Mixpanel. Go-to-market: Meta Pixel, HubSpot and Zendesk. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 27, 2026. ### What cloud does Factor run on? Factor uses WP Engine for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine, and Factor has used it since at least February 2019. WP Engine is used by 51,537 companies runsonwhat tracks. ### What CRM does Factor use? Factor uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 94,970 companies runsonwhat tracks. ### What email provider does Factor use? Factor uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,779 companies runsonwhat tracks. ### What does Factor use for customer support? Factor uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 42,315 companies runsonwhat tracks. ### What analytics tools does Factor use? Factor uses Mixpanel for analytics, according to runsonwhat (October 2026). runsonwhat found Mixpanel through a DNS verification record for Mixpanel. Mixpanel is used by 6,021 companies runsonwhat tracks. ### How long has Factor used WP Engine? Factor has used WP Engine since at least February 2019, going by the first public certificate of the factor75.com subdomain that points at WP Engine. Other long-running tools at Factor include Cloudflare (since May 2021). ### Does Factor use Cloudflare? Yes. runsonwhat found Cloudflare at Factor through a subdomain that points at Cloudflare and code on factor75.com, in use since at least May 2021. Cloudflare is a CDN & Edge tool used by 709,801 companies runsonwhat tracks. ### Does Factor use AI tools? Yes. runsonwhat has found Anthropic at Factor; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Factor may use more AI tools than these. ### Which companies have a tech stack similar to Factor's? The companies with the stacks most like Factor's are HelloFresh, GreenChef, AlphaSense and Swiftly, according to runsonwhat (October 2026). Each shares 10 to 24 tools with Factor, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Factor uses? runsonwhat reads public records only. Of the 28 tools at Factor, 17 were found through DNS records, 5 through email records, 4 through code on factor75.com and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and factor75.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/factor75.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.