Optimizely's tech stack
What does Optimizely use?
Optimizely (episerver.com) uses at least 35 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, 6sense for sales and Zendesk for customer support. Last checked .
- Industry
- Software
- Size
- 1,001–5,000 employees
- Based in
- New York, United States
- Founded
- 1994
- Company page
- Tools found
- 35
- Categories
- 18
- Layers
- 5 of 5
- 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.
Edge & Hosting
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
5 tools, what the product is built with
Frontend
Backend & Database
Media & UI
Data & Observability
6 tools, what they measure and store
Monitoring
Flags & Experiments
Go-to-market
12 tools, how they find and keep customers
Company Ops
9 tools, what the team runs on day to day
Workspace
Collaboration
Finance & Legal
Security & Compliance
Companies like Optimizely also use
Tools common among companies with a similar stack that we haven't found at Optimizely.
Companies with a stack like Optimizely's
Ranked by shared tools, with rare tools counting more.
IterableSoftware · 201–1,000 people21in common
WellSkySoftware · 1,001–5,000 people11in common
D2L Inc.Software · 1,001–5,000 people14in common
OptimizelyEngineering, Product and Design · 1,001–5,000 people32in common
WalkMe - Digital Adoption PlatformSoftware · 1,001–5,000 people19in common
CertiniaSoftware · 1,001–5,000 people17in common
Flexera SoftwareSoftware · 1,001–5,000 people16in common
Flexera SoftwareSoftware · 1,001–5,000 people18in common
More Software companies
Other Software companies we've checked.
Optimizely tech stack FAQ
What tools does Optimizely use?
We've found 35 tools at Optimizely (episerver.com). Edge & Hosting: Vercel, Microsoft Azure and Fastly. Application: Next.js, Lottie and MongoDB Atlas. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Meta Pixel, Google Ads and Zendesk. Company Ops: Microsoft 365, Atlassian and DocuSign. Last checked October 2, 2026.
What cloud does Optimizely run on?
Optimizely uses Vercel and Microsoft Azure for hosting. We found Vercel through website code.
What CRM does Optimizely use?
Optimizely uses 6sense and Qualified for sales and CRM. We found 6sense through website code.
What email provider does Optimizely use?
Optimizely uses Microsoft 365 for email and documents. We found Microsoft 365 through email records and DNS verification records.
What does Optimizely use for customer support?
Optimizely uses Zendesk for customer support. We found Zendesk through email records.
What analytics tools does Optimizely use?
Optimizely uses Google Analytics, Google Tag Manager and Microsoft Clarity for analytics, among 4 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 245,233 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.