Downdetector

{{short description|Website that reports on website outages}}

{{Use mdy dates|date=November 2020}}

{{Infobox website

| name = Downdetector

| logo = Downdetector Logo 2.svg

| owner = Ookla{{Cite news|last=Tiffany|first=Kaitlyn|date=February 25, 2020|title=Where Everyone Goes When the Internet Breaks|url=https://www.theatlantic.com/technology/archive/2020/02/downdetector-websites-crash-ookla-outages-reddit/607048/|access-date=October 28, 2020|magazine=The Atlantic|location=Washington, D.C.|publisher=Emerson Collective}}

| url = {{URL|downdetector.com}}

| launch_date = {{Start date and age|2012|04}}{{Cite web|title=Status overview |url=https://downdetector.com/|access-date=October 28, 2020|website=Downdetector|archive-date=October 6, 2021|archive-url=https://web.archive.org/web/20211006122702/https://downdetector.com/|url-status=dead}}

| current_status = Online

}}

Downdetector is an online platform that provides users with real-time information about the status of various websites and services.

The information that is provided by the site is based upon user outage reports, which are collected from various sources, including the page for each website on Downdetector itself and Twitter.{{Cite news |last=Miners |first=Zach |date=May 7, 2013 |title=Downdetector.com scours Twittersphere to detect service outages faster |url=https://www.computerworld.com/article/2497125/downdetector-com-scours-twittersphere-to-detect-service-outages-faster.html |access-date=October 28, 2020 |magazine=Computerworld |publisher=IDG Communications |location=Boston |archive-date=October 31, 2020 |archive-url=https://web.archive.org/web/20201031081527/https://www.computerworld.com/article/2497125/downdetector-com-scours-twittersphere-to-detect-service-outages-faster.html |url-status=dead }} A map is also shown with the locations of the outage reports, and a list of cities with the corresponding number of reports is shown above the map. Downdetector is available in 45 countries, with a different site for each country.{{Cite news |date=October 15, 2020 |title=Twitter Down: Users complain that service is suffering outage |url=https://www.independent.co.uk/life-style/gadgets-and-tech/twitter-down-outage-social-media-b1057468.html |access-date=October 28, 2020 |last=Massie|first=Graeme|newspaper=The Independent|location=Los Angeles}} Additionally, Downdetector tracks over 12,000 services internationally.{{cite news |last1=Stafford |first1=Kevin |title=How Gaming Companies Can Detect and Resolve Outages Faster [Webinar] - Ookla® |url=https://www.ookla.com/articles/how-gaming-companies-can-detect-and-resolve-outages-faster-webinar-q3-2023 |access-date=28 August 2023 |work=Ookla - Providing network intelligence to enable modern connectivity |date=20 July 2023 |language=en}}

Downdetector was founded in April 2012 by Tom Sanders and Sander van de Graaf. Downdetector was acquired by Ookla, the company behind Speedtest.net, in August 2018.{{Cite web |date=August 13, 2018 |title=Downdetector is now part of Ookla |url=https://www.speedtest.net/insights/blog/downdetector-announcement/ |access-date=October 28, 2020 |website=Speedtest by Ookla}}

On January 14, 2025, the standalone application added a banner stating its discontinuation in favor of merging with the Speedtest by Ookla application on iOS and Android.{{Cite web|url= https://downdetector.com/about-us/|title=About Us|access-date=January 14, 2025|website=Downdetector.com}}