Outage in Coveralls

Reports of "Website under heavy load" errors

Resolved Minor
August 19, 2025 - Started 6 days ago - Lasted about 3 hours
Official incident page

Need to monitor Coveralls outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Coveralls, and never miss an outage again.
Start Free Trial

Outage Details

We are continuing to receive errors of customers receiving "This website is under heavy load" errors from our HTTP servers, even as traffic is normal. We implemented a fix last night that resolved the issue for 6-8 hrs, until we received a new report. We are investigating the issue to identify a permanent fix. In the meantime, if you receive this error, please re-try your request.
Components affected
Coveralls .io Web Coveralls .io API
Latest Updates ( sorted recent to last )
RESOLVED 6 days ago - at 08/19/2025 05:26PM

We believe we have resolved all intermittent instances of the "This website is under heavy load" 503 error from our HTTP servers.

If you should happen to receive that error from here, please let us know at: support@coveralls.io.

MONITORING 6 days ago - at 08/19/2025 04:24PM

A fix has been implemented and we are monitoring the results.

INVESTIGATING 6 days ago - at 08/19/2025 03:21PM

We are continuing to receive errors of customers receiving "This website is under heavy load" errors from our HTTP servers, even as traffic is normal.

We implemented a fix last night that resolved the issue for 6-8 hrs, until we received a new report.

We are investigating the issue to identify a permanent fix.

In the meantime, if you receive this error, please re-try your request.

Latest Coveralls outages

More reports of “Website under heavy load” - 5 days ago
Reports of "Website under heavy load" errors - 7 days ago
Intermittent request rejections - 12 days ago
Elevated Latency for some users - 2 months ago
Elevated Latency for some users - 2 months ago

Track All Vendor Statuses & Outages Instantly

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4400 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook