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Google PageSpeed is a family of tools by Google, Inc. [1] designed to help optimize website performance. [2] It was introduced at a Developer Conference in 2010. [3] [4] There are four main components of PageSpeed family tools:
Average speeds are more commonly used but can give a wrong impression of the actual user experience since fast connections can bias the average results. Median results represent the point where half the population has faster and the other half of the population has slower data transfer rates.
Web performance optimization (WPO), or website optimization is the field of knowledge about increasing web performance. Faster website download speeds have been shown to increase visitor retention and loyalty [ 1 ] [ 2 ] and user satisfaction, especially for users with slow internet connections and those on mobile devices . [ 3 ]
Each test measures the data rate for the download direction, i.e. from the server to the user computer, and the upload data rate, i.e. from the user's computer to the server. The tests are performed within the user's web browser or within mobile apps. As of 17 February 2024, over 52.3 billion Internet speed tests have been completed. [8]
It was originally created by Google as a competitor to Facebook Instant Articles and Apple News. [3] AMP is optimized for mobile web browsing and intended to help webpages load faster. [4] AMP pages may be cached by a CDN, such as Cloudflare's AMP caches, which allows pages to be served more quickly. [5] [6] [7] AMP was first announced on ...
A browser speed test is a computer benchmark that scores the performance of a web browser, by measuring the browser's efficiency in completing a predefined list of tasks.In general the testing software is available online, located on a website, where different algorithms are loaded and performed in the browser client.
Limiting the speed of data sent by a data originator (a client computer or a server computer) is much more efficient than limiting the speed in an intermediate network device between client and server because while in the first case usually no network packets are lost, in the second case network packets can be lost / discarded whenever ingoing data speed overcomes the bandwidth limit or the ...
This is an overhead of 20%, so a 9,600 bit/s asynchronous serial link will not transmit data at 9600/8 bytes per second (1200 byte/s) but actually, in this case 9600/10 bytes per second (960 byte/s), which is considerably slower than expected. It can get worse.