# What does McCay Duff LLP use?

McCay Duff LLP (mccayduff.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-26).

- Industry: Accounting
- Size: 51–200 employees
- Based in: Ottawa, Canada
- Founded: 1946
- LinkedIn: https://www.linkedin.com/company/mccay-duff-llp

## 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 |  |
| [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | 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 |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | 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 |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | 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 | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |

## FAQ

### What tools does McCay Duff LLP use?

As of October 2026, runsonwhat has found 18 tools at McCay Duff LLP (mccayduff.com) in public records. Edge & Hosting: Cloudflare, GoDaddy and WP Engine. Application: jQuery, Google Fonts and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 26, 2026.

### What cloud does McCay Duff LLP run on?

McCay Duff LLP uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine and code on mccayduff.com. WP Engine is used by 51,484 companies runsonwhat tracks.

### What email provider does McCay Duff LLP use?

McCay Duff LLP uses Microsoft 365 for email and office software, alongside Apple Business and Exclaimer, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on mccayduff.com. Microsoft 365 is used by 715,173 companies runsonwhat tracks.

### What analytics tools does McCay Duff LLP use?

McCay Duff LLP uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on mccayduff.com. Google Analytics is used by 888,879 companies runsonwhat tracks.

### What is McCay Duff LLP's website built with?

McCay Duff LLP uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on mccayduff.com. WordPress is used by 600,492 companies runsonwhat tracks.

### Does McCay Duff LLP use jQuery?

Yes. runsonwhat found jQuery at McCay Duff LLP through jQuery code on mccayduff.com. jQuery is a Frontend tool used by 920,736 companies runsonwhat tracks.

### How does runsonwhat know what McCay Duff LLP uses?

runsonwhat reads public records only. Of the 18 tools at McCay Duff LLP, 10 were found through code on mccayduff.com, 4 through email records, 3 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mccayduff.com about monthly.


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