# What does PSI use?

PSI (psiweb.org) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-10-19).

- Industry: Non-profit Organization Management
- Size: 51–200 employees
- Based in: Sheffield, United Kingdom
- Founded: 1977
- LinkedIn: https://www.linkedin.com/company/psi-statisticians-in-the-pharmaceutical-industry

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Constant Contact](https://www.runsonwhat.com/reverse/constantcontact) | Marketing | Email records |  |
| [Progress Sitefinity](https://www.runsonwhat.com/reverse/progress-sitefinity) | Website & CMS | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records, Website code |  |
| [CookieHub](https://www.runsonwhat.com/reverse/cookiehub) | Security & Compliance | Website code |  |

## FAQ

### What tools does PSI use?

As of October 2026, runsonwhat has found 17 tools at PSI (psiweb.org) in public records. Edge & Hosting: Cloudflare, GoDaddy and Microsoft Azure. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Microsoft Ads and Constant Contact. Company Ops: Microsoft 365, SendGrid and CookieHub. Last checked October 19, 2026.

### What cloud does PSI run on?

PSI 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 code on psiweb.org. Microsoft Azure is used by 46,214 companies runsonwhat tracks.

### What email provider does PSI use?

PSI uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on psiweb.org. Microsoft 365 is used by 706,417 companies runsonwhat tracks.

### What analytics tools does PSI use?

PSI uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on psiweb.org. Google Analytics is used by 865,246 companies runsonwhat tracks.

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

PSI uses Progress Sitefinity for its website, according to runsonwhat (October 2026). runsonwhat found Progress Sitefinity through Progress Sitefinity code on psiweb.org. Progress Sitefinity is used by 682 companies runsonwhat tracks.

### What marketing software does PSI use?

PSI uses Constant Contact for marketing, according to runsonwhat (October 2026). runsonwhat found Constant Contact through email records that authorize Constant Contact. Constant Contact is used by 13,503 companies runsonwhat tracks.

### Does PSI use jQuery?

Yes. runsonwhat found jQuery at PSI through jQuery code on psiweb.org. jQuery is a Frontend tool used by 905,994 companies runsonwhat tracks.

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

The companies with the stacks most like PSI's are Default, Mohammed Bin Rashid Al Maktoum Global Initiatives, Pioneer Eclipse and Innovestx, according to runsonwhat (October 2026). Each shares 5 to 13 tools with PSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what PSI uses?

runsonwhat reads public records only. Of the 17 tools at PSI, 11 were found through code on psiweb.org, 2 through DNS records, 2 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and psiweb.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/psiweb.org (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.