What does Split use?

As of October 2026, runsonwhat has found 40 tools at Split (split.io) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and Fastly. Application: jQuery, Google Fonts and MongoDB Atlas. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Microsoft Ads and Mailchimp. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 9, 2026.

The sales tools runsonwhat has found at Split are Calendly and ZoomInfo (October 2026); no CRM shows up in Split's public records. runsonwhat found Calendly through a DNS verification record for Calendly.

Split 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 694,521 companies runsonwhat tracks.

Split uses Zendesk for customer support and documentation, alongside ReadMe, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,056 companies runsonwhat tracks.

Split uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on split.io. Google Analytics is used by 809,592 companies runsonwhat tracks.

Split uses Webflow for its website, according to runsonwhat (October 2026). runsonwhat found Webflow through a subdomain that points at Webflow and code on split.io. Webflow is used by 33,484 companies runsonwhat tracks.

Split has used ReadMe since at least August 2017, going by the first public certificate of the split.io subdomain that points at ReadMe. Other long-running tools at Split include Marketo (since January 2019) and Fastly (since January 2024).

Yes. runsonwhat found jQuery at Split through jQuery code on split.io. jQuery is a Frontend tool used by 855,008 companies runsonwhat tracks.

The companies with the stacks most like Split's are Similarweb, Apollo.io, Perk and Samsara, according to runsonwhat (October 2026). Each shares 15 to 22 tools with Split, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 40 tools at Split, 15 were found through DNS records, 14 through code on split.io, 7 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and split.io about monthly.