# What does W3C use?

W3C (w3.org) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-11-09).

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |

## FAQ

### What tools does W3C use?

As of November 2026, runsonwhat has found 10 tools at W3C (w3.org) in public records. Edge & Hosting: Cloudflare. Application: Anthropic. Data & Observability: Atlassian Statuspage. Company Ops: Google Workspace, Let's Encrypt and Sectigo. Last checked November 9, 2026.

### What email provider does W3C use?

W3C uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 418,190 companies runsonwhat tracks.

### What monitoring tools does W3C use?

W3C uses Atlassian Statuspage for monitoring, according to runsonwhat (November 2026). runsonwhat found Atlassian Statuspage through a subdomain that points at Atlassian Statuspage. Atlassian Statuspage is used by 6,881 companies runsonwhat tracks.

### Does W3C use Cloudflare?

Yes. runsonwhat found Cloudflare at W3C through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 731,290 companies runsonwhat tracks.

### Does W3C use AI tools?

Yes. runsonwhat has found Anthropic at W3C; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so W3C may use more AI tools than these.

### How does runsonwhat know what W3C uses?

runsonwhat reads public records only. Of the 10 tools at W3C, 8 were found through DNS records, 1 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 w3.org about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/w3.org (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.