# What does Sift Science, Inc. use? Sift Science, Inc. (siftscience.com) shows public evidence of 44 tools, according to runsonwhat (last checked 2026-10-11). - Size: 201–1,000 employees - Based in: San Francisco, United States - Founded: 2011 - LinkedIn: https://www.linkedin.com/company/getsift ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS verification records, Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records | | ## 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 | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain | 2017-09 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [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 | | | [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | 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 | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Website code | | | [6sense](https://www.runsonwhat.com/reverse/sixsense) | Sales & CRM | Website code | | | [G2](https://www.runsonwhat.com/reverse/g2) | Marketing | Website code | | | [Qualified](https://www.runsonwhat.com/reverse/qualified) | Sales & CRM | Website code | | | [Propensity](https://www.runsonwhat.com/reverse/propensity) | Sales & CRM | 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 | Custom domain, Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification 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 | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Cloudflare Turnstile](https://www.runsonwhat.com/reverse/turnstile) | Security & Compliance | Website code | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [SafeBase](https://www.runsonwhat.com/reverse/safebase) | Security & Compliance | Custom domain | 2026-06 | | [Sift](https://www.runsonwhat.com/reverse/sift) | Security & Compliance | Custom domain | 2015-06 | | [Remote](https://www.runsonwhat.com/reverse/remote) | People & HR | DNS verification records | | ## FAQ ### What tools does Sift Science use? As of October 2026, runsonwhat has found 44 tools at Sift Science (siftscience.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Atlassian Statuspage. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 11, 2026. ### What cloud does Sift Science run on? Sift Science uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 75,084 companies runsonwhat tracks. ### What sales tools does Sift Science use? The sales tools runsonwhat has found at Sift Science are ZoomInfo, 6sense, Qualified and Propensity (October 2026); no CRM shows up in Sift Science's public records. runsonwhat found ZoomInfo through ZoomInfo code on siftscience.com. ### What email provider does Sift Science use? Sift Science uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,702 companies runsonwhat tracks. ### What does Sift Science use for customer support? Sift Science 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 40,922 companies runsonwhat tracks. ### What analytics tools does Sift Science use? Sift Science uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on siftscience.com. Google Analytics is used by 852,516 companies runsonwhat tracks. ### How long has Sift Science used Sift? Sift Science has used Sift since at least June 2015, going by the first public certificate of the siftscience.com subdomain that points at Sift. Other long-running tools at Sift Science include Atlassian Statuspage (since September 2017) and SafeBase (since June 2026). ### Does Sift Science use jQuery? Yes. runsonwhat found jQuery at Sift Science through jQuery code on siftscience.com. jQuery is a Frontend tool used by 897,103 companies runsonwhat tracks. ### Does Sift Science use AI tools? Yes. runsonwhat has found Anthropic at Sift Science; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Sift Science may use more AI tools than these. ### Which companies have a tech stack similar to Sift Science's? The companies with the stacks most like Sift Science's are Vercel, Sift Science, Pioneer Works and Webflow, according to runsonwhat (October 2026). Each shares 16 to 37 tools with Sift Science, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Sift Science uses? runsonwhat reads public records only. Of the 44 tools at Sift Science, 19 were found through code on siftscience.com, 16 through DNS records, 4 through email records, 4 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and siftscience.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/siftscience.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.