# What does SPL use?

SPL (spl.org) shows public evidence of 11 tools, according to runsonwhat (last checked 2026-10-20).

- LinkedIn: https://www.linkedin.com/company/seattle-public-library

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | 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 |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | 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 |  |
| [EcoStruxure IT](https://www.runsonwhat.com/reverse/ecostruxure-it) | Monitoring | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | 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 |  |
| [PowerDMARC](https://www.runsonwhat.com/reverse/powerdmarc) | Security & Compliance | Email records |  |

## FAQ

### What tools does SPL use?

As of October 2026, runsonwhat has found 11 tools at SPL (spl.org) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics and EcoStruxure IT. Go-to-market: Meta Pixel. Company Ops: Microsoft 365 and PowerDMARC. Last checked October 20, 2026.

### What email provider does SPL use?

SPL 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 715,573 companies runsonwhat tracks.

### What analytics tools does SPL use?

SPL uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on spl.org. Google Analytics is used by 895,009 companies runsonwhat tracks.

### What monitoring tools does SPL use?

SPL uses EcoStruxure IT for monitoring, according to runsonwhat (October 2026). runsonwhat found EcoStruxure IT through a DNS verification record for EcoStruxure IT. EcoStruxure IT is used by 315 companies runsonwhat tracks.

### Does SPL use jQuery?

Yes. runsonwhat found jQuery at SPL through jQuery code on spl.org. jQuery is a Frontend tool used by 923,593 companies runsonwhat tracks.

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

The companies with the stacks most like SPL's are Redcare Pharmacy, AppsFlyer, Valpak Direct Marketing Systems and Frankenmuth Insurance, according to runsonwhat (October 2026). Each shares 5 to 9 tools with SPL, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what SPL uses?

runsonwhat reads public records only. Of the 11 tools at SPL, 8 were found through code on spl.org, 2 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 spl.org about monthly.


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