# What does CSB use?

CSB (csb.gov) shows public evidence of 12 tools, according to runsonwhat (last checked 2026-11-08).

## 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 |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | 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 |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code |  |
| [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |

## FAQ

### What tools does CSB use?

As of November 2026, runsonwhat has found 12 tools at CSB (csb.gov) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Google Ads, Zendesk and Klaviyo. Company Ops: Microsoft 365 and Apple Business. Last checked November 8, 2026.

### What email provider does CSB use?

CSB uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 732,144 companies runsonwhat tracks.

### What does CSB use for customer support?

CSB uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on csb.gov. Zendesk is used by 43,554 companies runsonwhat tracks.

### What analytics tools does CSB use?

CSB uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on csb.gov. Google Analytics is used by 903,831 companies runsonwhat tracks.

### What marketing software does CSB use?

CSB uses Klaviyo for marketing, according to runsonwhat (November 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo. Klaviyo is used by 36,341 companies runsonwhat tracks.

### Does CSB use jQuery?

Yes. runsonwhat found jQuery at CSB through jQuery code on csb.gov. jQuery is a Frontend tool used by 927,183 companies runsonwhat tracks.

### How does runsonwhat know what CSB uses?

runsonwhat reads public records only. Of the 12 tools at CSB, 7 were found through code on csb.gov, 4 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and csb.gov about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/csb.gov (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.