California Institute of Technology's tech stack
What does California Institute of Technology use?
California Institute of Technology (caltech.edu) uses at least 21 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Google Analytics for analytics and Mailchimp for marketing. Last checked .
- Industry
- E-learning
- Size
- 201–1,000 employees
- Based in
- San Francisco, United States
- Company page
- Tools found
- 21
- Categories
- 11
- Layers
- 5 of 5
- Changes seen
- 1
California Institute of Technology's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
3 tools, what the product is built with
Frontend
Data & Observability
2 tools, what they measure and store
Go-to-market
4 tools, how they find and keep customers
Ads & Pixels
Company Ops
9 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
Security & Compliance
What changed at California Institute of Technology
Recent starts and stops
- StartedVercel
California Institute of Technology tech stack 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 144,491 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 697,004 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 844,874 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 112,389 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 892,916 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.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.