# What does Profusion use?

Profusion (profusion.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-07).

- Industry: Internet
- Size: 51–200 employees
- Based in: London, United Kingdom
- Founded: 2009
- LinkedIn: https://www.linkedin.com/company/profusion

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Adobe Fonts](https://www.runsonwhat.com/reverse/adobe-fonts) | Media & UI | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Website code |  |
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | DNS records, Custom domain, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records, Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does Profusion use?

As of October 2026, runsonwhat has found 18 tools at Profusion (profusion.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery and Adobe Fonts. Data & Observability: Google Analytics and Hotjar. Go-to-market: HubSpot and Squarespace. Company Ops: Microsoft 365, Atlassian and Let's Encrypt. Last checked October 7, 2026.

### What cloud does Profusion run on?

Profusion uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on profusion.com. Amazon Web Services is used by 144,506 companies runsonwhat tracks.

### What CRM does Profusion use?

Profusion uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on profusion.com. HubSpot is used by 91,255 companies runsonwhat tracks.

### What email provider does Profusion use?

Profusion uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 697,027 companies runsonwhat tracks.

### What analytics tools does Profusion use?

Profusion uses Google Analytics for analytics, alongside Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on profusion.com. Google Analytics is used by 845,367 companies runsonwhat tracks.

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

Profusion uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through DNS records that point at Squarespace and a subdomain. Squarespace is used by 33,140 companies runsonwhat tracks.

### Does Profusion use jQuery?

Yes. runsonwhat found jQuery at Profusion through jQuery code on profusion.com. jQuery is a Frontend tool used by 893,020 companies runsonwhat tracks.

### How does runsonwhat know what Profusion uses?

runsonwhat reads public records only. Of the 18 tools at Profusion, 10 were found through DNS records, 7 through code on profusion.com and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and profusion.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/profusion.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.