![]() The upload test is then performed in chunks of uniform size, pushed to the server-side script via POST.Based on this result, an appropriately sized chunk of randomly generated data is selected for upload.A small amount of random data is generated in the client and sent to the web server to estimate the connection speed.The remaining slices are averaged together to determine the final result.See bottom of document for details to fill here (see * below for more detail).These samples are then aggregated into 20 slices (each being 5% of the samples).Throughput samples are received at up to 30 times per second.The test is performed with cache prevention via random strings appended to each download. ![]() Based on this result, one of several file sizes is selected to use for the real download test.Small binary files are downloaded from the web server to the client to estimate the connection speed.This test is performed by measuring the time it takes to get a response for a HTTP request sent to the web server.During the first half of the test, the client will establish extra connections to the server if it determines additional threads are required to more accurately measure the upload speed.As the chunks are received by the server, the client will send more chunks throughout the duration of the test.The client calculates the real-time speed of the transfers and adjusts the chunk size and buffer size based on it to maximize usage of the network connection, and requests more data.The client establishes multiple connections with the server over the defined port and sends an initial chunk of data.The test ends once the configured amount of time has been reached.During the first half of the test, the client will establish extra connections to the server if it determines additional threads are required to more accurately measure the download speed.As the chunks are received by the client, the client will request more chunks throughout the duration of the test. ![]()
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