---
title: "Is W3C Validation Services down? W3C Validation Services status"
url: "https://www.openstatus.dev/status/w3/validation-services"
description: "Live W3C Validation Services status, uptime over the last 45 days and recent incidents, tracked by openstatus."
---

# Is W3C Validation Services down?

**Answer:** No, W3C Validation Services is not down. All W3C Validation Services systems are operational.

- Status: operational
- Checked: 2026-11-07T05:00:02Z
- User reports in the last 15 minutes: 0
- Part of: [W3C](/status/w3.md)
- Official status page: https://status.w3.org

## Last 45 days

2 of 2 tracked days without issues.

## Incidents affecting Validation Services

| Started | Incident | Impact | Duration |
| --- | --- | --- | --- |
| 2026-02-16 | [Authentication System Incident](https://stspg.io/82v1ljhwpm5y) | minor | 1d 2h |
| 2025-12-05 | [503 on www.w3.org](https://stspg.io/frtthy4zlfpp) | critical | 21m |
| 2023-03-21 | [Network issues impacting W3C website](https://stspg.io/42hd605s10pd) | major | 3h 16m |
| 2022-02-28 | [Several services unavailable](https://stspg.io/kfvpscb0kmz4) | critical | 1d 20h |
| 2022-01-22 | [Many W3C services unavailable due to power outage](https://stspg.io/hdcjv7qwgb2d) | major | 8h 36m |

## Links

- HTML page: /status/w3/validation-services
- Service: /status/w3.md