# What does California Institute of Technology use? California Institute of Technology (caltech.edu) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-10). - Industry: E-learning - Size: 201–1,000 employees - Based in: San Francisco, United States - LinkedIn: https://www.linkedin.com/company/caltech-ctme-postgraduate-programs ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Email records | | | [Campaign Monitor](https://www.runsonwhat.com/reverse/campaign-monitor) | Marketing | Email records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | DNS verification records, Email records, Website code | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | | [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records | | | [Cisco Secure Email](https://www.runsonwhat.com/reverse/cisco-email) | Security & Compliance | Email records | | ## Recent changes at California Institute of Technology - 2026-10-10: started using [Vercel](https://www.runsonwhat.com/reverse/vercel) ## FAQ ### What tools does California Institute of Technology use? As of October 2026, runsonwhat has found 21 tools at California Institute of Technology (caltech.edu) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: jQuery, Anthropic and OpenAI. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Mailchimp and Marketo. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 10, 2026. ### What cloud does California Institute of Technology run on? California Institute of Technology uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on caltech.edu. Amazon Web Services is used by 144,839 companies runsonwhat tracks. ### What email provider does California Institute of Technology use? California Institute of Technology uses Microsoft 365 for email and office software, alongside Apple Business, 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 701,687 companies runsonwhat tracks. ### What analytics tools does California Institute of Technology use? California Institute of Technology uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on caltech.edu. Google Analytics is used by 852,275 companies runsonwhat tracks. ### What marketing software does California Institute of Technology use? California Institute of Technology uses Mailchimp for marketing, alongside Marketo and Campaign Monitor, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on caltech.edu. Mailchimp is used by 113,177 companies runsonwhat tracks. ### Does California Institute of Technology use jQuery? Yes. runsonwhat found jQuery at California Institute of Technology through jQuery code on caltech.edu. jQuery is a Frontend tool used by 897,008 companies runsonwhat tracks. ### Does California Institute of Technology use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at California Institute of Technology; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so California Institute of Technology may use more AI tools than these. ### Has California Institute of Technology changed tools recently? Yes. On runsonwhat's rechecks, California Institute of Technology started using Vercel (latest on October 10, 2026). A change counts only between two checks of caltech.edu done the same way. ### How does runsonwhat know what California Institute of Technology uses? runsonwhat reads public records only. Of the 21 tools at California Institute of Technology, 9 were found through DNS records, 6 through code on caltech.edu, 5 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 caltech.edu about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/caltech.edu (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.