runsonwhat

Optimizely's tech stack

What does Optimizely use?

Optimizely (optimizely.com) uses at least 74 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, ZoomInfo for sales and Zendesk for customer support. Last checked .

“The first all-in-one operating system for marketing”

Industry
Engineering, Product and Design
Size
1,001–5,000 employees
Based in
San Francisco, United States
Tools found
74
Categories
19
Oldest proven tool
Dec 2025
Last checked
Oct 2026

Optimizely'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.

What changed at Optimizely

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Intellum

Optimizely tech stack FAQ

What tools does Optimizely use?

We've found 74 tools at Optimizely (optimizely.com). Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: React, Tailwind CSS and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 1, 2026.

What cloud does Optimizely run on?

Optimizely uses Amazon Web Services, Google Cloud and Vercel for hosting, among 4 tools in this category. We found Amazon Web Services through custom domain and website code.

What CRM does Optimizely use?

Optimizely uses ZoomInfo, 6sense and Qualified for sales and CRM. We found ZoomInfo through website code.

What email provider does Optimizely use?

Optimizely uses Microsoft 365, Google Workspace and Apple Business for email and documents, among 4 tools in this category. We found Microsoft 365 through email records and DNS verification records.

What does Optimizely use for customer support?

Optimizely uses Zendesk, Archbee and UserVoice for customer support. We found Zendesk through custom domain and email records.

What analytics tools does Optimizely use?

Optimizely uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 6 tools in this category. We found Google Analytics through website code.

Does Optimizely use Microsoft 365?

Yes. We found Microsoft 365 at Optimizely through email records and DNS verification records. Microsoft 365 is used by 357,206 companies we track.

How does runsonwhat know what Optimizely uses?

We read public traces only: Optimizely's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.