runsonwhat

FB's tech stack

What does FB use?

FB (fb.com) uses at least 10 tools we can see from public records, including WordPress VIP for hosting, Microsoft 365 for email and documents and Proofpoint for security. Last checked .

Re-check liveVisit fb.com
Tools found
10
Categories
8
Oldest proven tool
Aug 2019
Last checked
Oct 2026

FB'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

1 tool, where the bytes are served from

Hosting & Cloud

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

8 tools, what the team runs on day to day

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

Other traces

What changed at FB

Using since

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

  1. WordPress VIP

Companies like FB also use

Tools common among companies with a similar stack that we haven't found at FB.

Companies with a stack like FB's

Ranked by shared tools, with rare tools counting more.

FB tech stack FAQ

What tools does FB use?

We've found 10 tools at FB (fb.com). Edge & Hosting: WordPress VIP. Company Ops: Microsoft 365, Google Workspace and Atlassian. Last checked October 2, 2026.

What cloud does FB run on?

FB uses WordPress VIP for hosting. We found WordPress VIP through custom domain since August 2019.

What email provider does FB use?

FB uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.

Does FB use Microsoft 365?

Yes. We found Microsoft 365 at FB through DNS verification records. Microsoft 365 is used by 613,926 companies we track.

How does runsonwhat know what FB uses?

We read public traces only: FB'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.