Is MDN Web Docs down for everyone or just for me?

Most likely just you. MDN Web Docs answered our server in EU (Falkenstein) on its last check. Use "Test from your connection" on this page to see whether your own browser can reach developer.mozilla.org.

What problems do people report with MDN Web Docs?

Nobody has reported a problem in the last 7 days. If MDN Web Docs isn't working for you, add a report at the top of this page so the next visitor knows.

How often does MDN Web Docs go down?

Over the last 30 days MDN Web Docs was reachable in 100% of our 20 scheduled checks. We have not logged an outage in the last 90 days.

How do you check whether MDN Web Docs is down?

Every 5 minutes our server in EU (Falkenstein) looks up developer.mozilla.org, connects to it and times how long the homepage takes to start answering. A failed check is repeated before it counts as an outage.

Is MDN Web Docs down? Live status and outage map

developer.mozilla.orgDeveloper toolsChecked every 5 minutes

No, MDN Web Docs is up right now.

It answered in 271 ms. If it isn't working for you, the problem is probably on your side, so see what to try below.

Checked 2 minutes ago from EU (Falkenstein) · Check from other countries

Not working for you? Tell others what's wrong. Reports are anonymous; we don't store IP addresses.

Response time: 271msHTTP 200 OK
Uptime, 24 hours: 100%20 checks
Uptime, 30 days: 100%20 checks
SSL certificate: 49daysValid until Dec 22, 2026

Notify me when MDN Web Docs is down

Leave your email and we'll write to you when our checks find MDN Web Docs down. No account needed.

MDN Web Docs outage map

ReachableProblems or reportsUnreachable

Reached from EU (Falkenstein)

The big dot is our server in EU (Falkenstein), which decides the status above. Small dots are home and mobile connections, one per country. Countries are shaded as visitors run the connection test below or report problems.

Check from other countries

0 of 5 picked

Pick up to 5 countries and watch them on the map. One home or mobile connection in each opens developer.mozilla.org through Globalping, so you can see whether a problem is limited to some places. You can do this 3 times an hour.

Last 24 hours

UpProblemsDownNo data

24h agoNo problems detectedNow

Typical 181 msFastest 98 msSlowest 246 ms

300 ms150 ms

24h ago18h12h6hNow

Last 15 checks

Newest first

The latest checks of MDN Web Docs
Time	Result	Answer	Response	From
Nov 2, 17:29 UTCScheduled	Up	200 OK	271 ms	EU (Falkenstein)
Nov 2, 17:24 UTCScheduled	Up	200 OK	204 ms	EU (Falkenstein)
Nov 2, 17:19 UTCScheduled	Up	200 OK	149 ms	EU (Falkenstein)
Nov 2, 17:14 UTCScheduled	Up	200 OK	198 ms	EU (Falkenstein)
Nov 2, 17:09 UTCScheduled	Up	200 OK	322 ms	EU (Falkenstein)
Nov 2, 17:03 UTCScheduled	Up	200 OK	92 ms	EU (Falkenstein)
Nov 2, 16:58 UTCScheduled	Up	200 OK	86 ms	EU (Falkenstein)
Nov 2, 16:53 UTCScheduled	Up	200 OK	173 ms	EU (Falkenstein)
Nov 2, 16:48 UTCScheduled	Up	200 OK	110 ms	EU (Falkenstein)
Nov 2, 16:43 UTCScheduled	Up	200 OK	122 ms	EU (Falkenstein)
Nov 2, 16:38 UTCScheduled	Up	200 OK	88 ms	EU (Falkenstein)
Nov 2, 16:33 UTCScheduled	Up	200 OK	83 ms	EU (Falkenstein)
Nov 2, 16:28 UTCScheduled	Up	200 OK	105 ms	EU (Falkenstein)
Nov 2, 16:23 UTCScheduled	Up	200 OK	137 ms	EU (Falkenstein)
Nov 2, 16:18 UTCScheduled	Up	200 OK	190 ms	EU (Falkenstein)

Test from your connection

Your browser tries to reach developer.mozilla.org directly, the same way it would if you opened it. We compare that with our own check to tell whether the problem is the site or your connection.

We record only whether the test worked, how long it took and your country. Ad blockers can block the test for some sites.

Problem reports

Nobody has reported a problem with MDN Web Docs in the last 7 days. If it isn't working for you, say so at the top of this page.

Comments

No comments yet

Describe what isn't working with MDN Web Docs to help the next person.

MDN Web Docs outage history

Last 90 days

No outages in the last 90 days

Every scheduled check of MDN Web Docs has been answered since we started monitoring it.

If MDN Web Docs isn't working for you

Reload without the cache
Press Ctrl+F5 on Windows or Cmd+Shift+R on a Mac, or open the site in a private window.
Try another network
Switch between Wi-Fi and mobile data. If it works on one, the problem is your network or provider.
Pause extensions and VPN
Ad blockers, VPNs and proxies are common causes of sites failing to load.
Restart the app or device
For mobile apps, also check for an update.
Check your clock
A wrong date or time on your device breaks secure connections.
Refresh your DNS
If only MDN Web Docs fails, restart your router or switch to a public DNS resolver.

Common questions about MDN Web Docs

Is MDN Web Docs down for everyone or just for me?: Most likely just you. MDN Web Docs answered our server in EU (Falkenstein) on its last check. Use "Test from your connection" on this page to see whether your own browser can reach developer.mozilla.org.
What problems do people report with MDN Web Docs?: Nobody has reported a problem in the last 7 days. If MDN Web Docs isn't working for you, add a report at the top of this page so the next visitor knows.
How often does MDN Web Docs go down?: Over the last 30 days MDN Web Docs was reachable in 100% of our 20 scheduled checks. We have not logged an outage in the last 90 days.
How do you check whether MDN Web Docs is down?: Every 5 minutes our server in EU (Falkenstein) looks up developer.mozilla.org, connects to it and times how long the homepage takes to start answering. A failed check is repeated before it counts as an outage.