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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: PageSpeed Module (consisting of mod PageSpeed [5] for the Apache HTTP Server and NGX PageSpeed [6] for the Nginx) [7 ...
Lighthouse audits performance, accessibility, and search engine optimization factors of web pages, [1] [2] [3] this is the major difference from Google PageSpeed, Lighthouse provides more detail information. It also includes the ability to test progressive web applications for compliance with standards and
At the time, no browser using the Presto or WebKit layout engines passed the performance aspect of the test. [23] [24] Google Chrome and Opera Mobile [25] displayed a score of 100/100. [26] Security concerns over downloadable fonts delayed Chrome from passing. [27] Versions 68 and later of Chrome get a score of 97/100, due to failing tests 23 ...
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.
Web performance refers to the speed in which web pages are downloaded and displayed on the user's web browser. Web performance optimization (WPO), or website optimization is the field of knowledge about increasing web performance.
The app returns an integer score out of a possible 555 points. The point total has changed multiple times through the evolution of the software. Leenheer introduced the present scoring system as part of a major redesign of the test introduced in November 2013. [ 6 ]
In many situations, the score statistic reduces to another commonly used statistic. [11] In linear regression, the Lagrange multiplier test can be expressed as a function of the F-test. [12] When the data follows a normal distribution, the score statistic is the same as the t statistic. [clarification needed]
PageRank is Google's indication of its assessment of the reputation of a webpage: It is non-keyword specific. Google uses a combination of webpage and website authority to determine the overall authority of a webpage competing for a keyword. [47] The PageRank of the HomePage of a website is the best indication Google offers for website ...