# What does LinkedIn use?

LinkedIn (tapfuma.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-10-24).

- Industry: Logistics and Supply Chain
- Size: 11–50 employees
- Based in: Waterloo, Canada
- Founded: 2022
- LinkedIn: https://www.linkedin.com/company/tpfma

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS records, Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website code, Website config |  |
| [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website code, Website config |  |
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | DNS records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records |  |
| [HackerOne](https://www.runsonwhat.com/reverse/hackerone) | Security & Compliance | Website config |  |

## FAQ

### What tools does LinkedIn use?

As of October 2026, runsonwhat has found 10 tools at LinkedIn (tapfuma.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: Firebase. Go-to-market: LinkedIn Insight Tag, Google Ad Manager and Microsoft Xandr. Company Ops: SendGrid, Mailgun and HackerOne. Last checked October 24, 2026.

### What cloud does LinkedIn run on?

LinkedIn uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 76,130 companies runsonwhat tracks.

### What is LinkedIn's website built with?

LinkedIn uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through DNS records that point at Squarespace. Squarespace is used by 33,763 companies runsonwhat tracks.

### Does LinkedIn use Cloudflare?

Yes. runsonwhat found Cloudflare at LinkedIn through Cloudflare code on tapfuma.com. Cloudflare is a CDN & Edge tool used by 707,876 companies runsonwhat tracks.

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

The companies with the stacks most like LinkedIn's are Hosting Hostinger, Makr Sports Betting Technology, VXXIV and Cove, according to runsonwhat (October 2026). Each shares 2 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 10 tools at LinkedIn, 4 were found through code on tapfuma.com, 3 through DNS records, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and tapfuma.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/tapfuma.com (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.