Page Speed or Content Loading Speed is the measurement of time that how fast all content of your Webpage Loads in a Web browser.
Peoples usually get confused with the “site-speed”, actually the “Page Speed” is the time calculation that in how much time your Webpage takes to loads in a Web browser, it’s also called (page load time), there is also one more thing to consider is that (time to transfer the first byte) means how fast a browser receive first of your page information from your Hosting company’s Web Server.
Google introduced a tool to measure your page speed named Google’s PageSpeed Insight this tool incorporates page speed data from CrUX (Chrome User Experience Report), this report consists of two important metrics in which first is Contentful Paint (FCP) and second is DOMContentLoaded (DCL).
Google counts site speed as one of its top ranking signals according to Google algorithms to rank a webpage. Various researched proved that Google measures the time of the first byte which transfers from your hosting server to a web browser when he is considering page speed. One more factor to consider is that a slow page speed limit search engine crawlers to crawl fewer pages and it depends upon search engine allocated crawl budget for your site, and this limitations negatively affect your indexation process.
Page speed also matters most when it comes to user experience. If a Page takes a long time to load in the user browser, it generates a negative impact on the user’s mind as well as search engines, and increase your bounce rate and affect your conversions.
Remember always don’t use Gzip compression on image files. Always use an image compression software like Photoshop in which you can compress the size of your images without losing the quality of the images.
You always need to optimize your webpage’s code using any minify tool, it will remove all the unnecessary things form you code like (spaces, commas and all other useless characters), and it will spectacularly increase the speed of your Page. It’s also recommended to remove unused code, comments and formatting from your page code. CSSNano and Uglify are recommended by Google to do minifying.
Whenever a web page redirects to another web page, visitors of your website faces additional waiting time to load a web page due to HTTP request-responses cycle to complete. Like you set the redirection pattern for the mobile version of your website to (“yourdoamin.com -> www. yourdoamin.com -> m. yourdoamin.com -> m. yourdoamin.com/home”) any of these additional redirects increase the load time of your page and your page load slows in the browsers.
Almost all modern Web Browsers builds a DOM tree to parse HTML before the page can render in a browser, if a script come across this rendering process, your browser will execute the script first and then load the page and it will surely increase your page load time.
The time of server responding is based on the amount of traffic your site received, the sources use which a page use, software, hardware and programs your server uses, and the hosting service you are using. You must be curious about logjams e.g: slow database queries, a slow routing or the memory of your hosting serving is not good enough. The best and optimal server response time is under 2 to 5 seconds.
CDNs are the acronym of (Content Distribution Networks) with another technical named “Content Delivery Networks” these are servers who distribute the load time of content delivery. Essentially, these are the data center in different geographical locations that stores the copies of your Website and different geographical user can access your site fast due to local copy your site which is stored in the data center in their local region.
Always remember to optimize the images you are using on your website limit the images according the size requirements of your website, and be assure that you are using the right format for different image files, normally the PNG files are best for graphics files who has less than 16 colors, and when it’s comes to use a picture (photographs) its good practice to use JGEP file format after compress it for web.
Try to use CSS sprites when you want to create a template for images those which you use repeatedly on your site for example icons and buttons. CSS sprites merge the images into a single large image that loads all the images at once and reduce the number of “HTTP requests” and through CSS sprites you can control which section of your site you want to load and display and which you don’t. The main purpose to use the CSS sprites is this it saves your load time and your site will load quickly in the user’s browser.
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