Page load time is a web performance metric that shows the time it takes for a page to appear on the user’s screen.
Let’s see how website speed optimization impelling the key factors for website success:
- conversion
- visibility
- Usability
What is page speed?
The term page speed essentially refers to the period during which web pages or multimedia contents are downloaded from the website hosting servers and displayed in the requesting web browser. Page load time (PLT) is the time between clicking the link and seeing the whole content of the web page in the demanding browser.
Three core aspects:
- The display of the time required to provide the browser with the requested material along with the accompanying HTML content.
- Browser response to page load requests.
- End Users View as Requested Web Page Displayed in Browser – This is the ultimate empirical measure of page load speed.
The absolute fundamental principle for maximizing website performance is to focus on optimizing page speed from scratch. Performance optimization plug-ins, server-side scripts, and final tweaks have a little but noticeable impact on page speed and load times. However, web developers and online entrepreneurs tend to overlook page load times in their website design and development strategies.
Enable compression
Use Gzip, a file compression software application, to reduce the size of your CSS, HTML, and JavaScript files above 150 bytes.
Do not use Gzip on image files. Instead, compress them in a program like Photoshop where you can keep control over the image quality. See “Image Optimization” below.
Minimize CSS, JavaScript and HTML
By optimizing your code, you can intensely increase your page speed. Also remove comments on code, formatting, and unused code. Google recommends using CSSNano and UglifyJS.
Reduce redirects
Whenever a page is redirected to another page, the visitor faces additional time waiting for the HTTP request-response cycle to complete. For example, if your mobile redirect pattern looks like this: “example.com -> www.example.com -> m.example.com -> m.example.com/home”, each of these two additional redirects slow down the loading of your page.
Remove JavaScript that blocks processing
Browsers need to create a DOM tree that parses HTML before they can render a page. If your browser detects a script during this process, you must stop and run it before you can continue.
Google suggests avoiding and minimizing the use of JavaScript blocking.
Take advantage of browser caching
Browsers cache a lot of information – style sheets, images, JavaScript files, and more – so that when a visitor returns to your site, the browser doesn’t have to reload the entire page. Use a tool to see if you already have a termination date set for your cache. Then set the “expires” header for as long as you want the information to be cached.
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