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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.
The test was created in Russia for testing the conformance of the V8 JavaScript engine used in Google Chrome. [1] As part of phasing out Google Labs, Google has shut down Sputnik. All current Sputnik tests have been incorporated into ECMA's Test262 test suite.
In the first decade or so of the web's existence, web performance improvement was focused mainly on optimizing website code and pushing hardware limitations. According to the 2002 book Web Performance Tuning by Patrick Killelea, some of the early techniques used were to use simple servlets or CGI, increase server memory, and look for packet ...
Conversion rate optimization seeks to increase the percentage of website visitors that take a specific action (often submitting a web form, making a purchase, signing up for a trial, etc.) by methodically testing alternate versions of a page or process [citation needed], and through removing impediments to user experience and improving page loading speeds.
TTFB can go from 100–200 ms to 1000–20000 ms, but the page will load much faster and be ready for the user in a much smaller amount of time. Many websites see a common 5–10× increase in TTFB but a much faster browser response time garnering 20% load-time decrease.