# What does castlecrow use?

castlecrow (castlecrow.com) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-11-03).

- Industry: Financial Services
- Size: 11–50 employees
- Based in: San Francisco, United States
- Founded: 2001
- LinkedIn: https://www.linkedin.com/company/castle-crow-

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, 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 |
|---|---|---|---|
| [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 |  |
| [Elementor](https://www.runsonwhat.com/reverse/elementor) | 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, Website code |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |

## FAQ

### What tools does castlecrow use?

As of November 2026, runsonwhat has found 16 tools at castlecrow (castlecrow.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, SendGrid and Mailgun. Last checked November 3, 2026.

### What email provider does castlecrow use?

castlecrow uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on castlecrow.com. Microsoft 365 is used by 729,932 companies runsonwhat tracks.

### What analytics tools does castlecrow use?

castlecrow uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on castlecrow.com. Google Analytics is used by 903,777 companies runsonwhat tracks.

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

castlecrow uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on castlecrow.com. WordPress is used by 606,676 companies runsonwhat tracks.

### Does castlecrow use jQuery?

Yes. runsonwhat found jQuery at castlecrow through jQuery code on castlecrow.com. jQuery is a Frontend tool used by 927,217 companies runsonwhat tracks.

### How does runsonwhat know what castlecrow uses?

runsonwhat reads public records only. Of the 16 tools at castlecrow, 12 were found through code on castlecrow.com, 3 through email records and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and castlecrow.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/castlecrow.com (updated November 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.