The service displays the current download and upload speeds and measurements for 'ping', 'jitter', and packet loss. It's also available in 17 languages, and if you set up an account, you can keep track of your speeds over time. Speedtest from Ookla, which also owns outage site, Downdetector, was one of the first broadband speed tests and offers a snapshot of download and upload speeds to an ISP via its website or a lightweight app for Windows 10 or macOS.

If you see inaccuracies in our content, please report the mistake via this form. If we have made an error or published misleading information, we will correct or clarify the article. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. ZDNET's editorial team writes on behalf of you, our reader.

Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers. Neither ZDNET nor the author are compensated for these independent reviews. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. ZDNET's recommendations are based on many hours of testing, research, and comparison shopping.

Dirt rally 1.23 trainer