# What does LinkedIn use?

LinkedIn (careerify.net) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-24).

- Industry: Internet
- Size: 11–50 employees
- Based in: Toronto, Canada
- Founded: 2009
- LinkedIn: https://www.linkedin.com/company/careerify

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Website code |  |
| [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain, DNS records |  |
| [NS1](https://www.runsonwhat.com/reverse/ns1) | DNS | DNS records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Agari](https://www.runsonwhat.com/reverse/agari) | Security & Compliance | Email records |  |

## FAQ

### What tools does LinkedIn use?

As of October 2026, runsonwhat has found 9 tools at LinkedIn (careerify.net) in public records. Edge & Hosting: Cloudflare, Microsoft Azure and NS1. Go-to-market: LinkedIn Insight Tag. Company Ops: Google Workspace, SendGrid and Agari. Last checked October 24, 2026.

### What cloud does LinkedIn run on?

LinkedIn uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure and DNS records. Microsoft Azure is used by 47,359 companies runsonwhat tracks.

### What email provider does LinkedIn use?

LinkedIn uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 405,361 companies runsonwhat tracks.

### Does LinkedIn use Cloudflare?

Yes. runsonwhat found Cloudflare at LinkedIn through a subdomain that points at Cloudflare and code on careerify.net. Cloudflare is a CDN & Edge tool used by 707,967 companies runsonwhat tracks.

### Which companies have a tech stack similar to LinkedIn's?

The companies with the stacks most like LinkedIn's are Milo.com, Troyrx, Hoolva and Echosign, according to runsonwhat (October 2026). Each shares 1 to 5 tools with LinkedIn, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what LinkedIn uses?

runsonwhat reads public records only. Of the 9 tools at LinkedIn, 3 were found through email records, 2 through DNS records, 2 through subdomains that point at the vendor, 1 through website configuration files and 1 through code on careerify.net. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and careerify.net about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/careerify.net (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.