# What does xkcd use?

xkcd (xkcd.com) shows public evidence of 7 tools, according to runsonwhat (last checked 2026-10-31).

- Size: 1–10 employees
- Based in: Waltham, United States
- LinkedIn: https://www.linkedin.com/company/xkcd-inc.

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | DNS records |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Custom domain, Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records, Website code |  |

## FAQ

### What tools does xkcd use?

As of November 2026, runsonwhat has found 7 tools at xkcd (xkcd.com) in public records. Edge & Hosting: Google Cloud and Fastly. Go-to-market: WordPress. Company Ops: Google Workspace, Let's Encrypt and GlobalSign. Last checked October 31, 2026.

### What cloud does xkcd run on?

xkcd uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 76,880 companies runsonwhat tracks.

### What email provider does xkcd use?

xkcd uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on xkcd.com. Google Workspace is used by 411,631 companies runsonwhat tracks.

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

xkcd uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through a subdomain that points at WordPress. WordPress is used by 607,153 companies runsonwhat tracks.

### Does xkcd use Fastly?

Yes. runsonwhat found Fastly at xkcd through DNS records that point at Fastly and a subdomain. Fastly is a CDN & Edge tool used by 61,518 companies runsonwhat tracks.

### How does runsonwhat know what xkcd uses?

runsonwhat reads public records only. Of the 7 tools at xkcd, 4 were found through DNS records, 2 through email 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 xkcd.com about monthly.


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