We know users have a low and limited attention span to visit any site. The users always come back to the site if it’s loading first. A faster website always ranks higher in search engines. A faster website creates nice effects for the user. They can work easily on the site and they love to visit all the time.
An optimized coding structure can enhance those requirements which makes the site faster. So, it is evident that we remember to optimize the theme structure via CSS when we build any kind of project.
Here are the best thumb rules for optimizing website via CSS
1. Fewer Images
- Use sprite image
An image always increases the CSS file size when it loads in the browser. But if we use sprite images for all icons and images, then it woud decrease the loading time. Create one package for all your images in one PNG file which reduces HTTP requests and improve the page load time.
- Use font base CSS Icons
Try to build your website without graphical icons. In the present day, we can follow lots of font base CSS icons that are available. These are very easy to use and reduces the page load time.
- Use CSS styling text instead of graphic text image
With the help of CSS3, we can style our text in various ways. So, we don’t need a graphical text image which takes time to load in the browser.
- Reduce unnecessary code
If we try to improve loading time speed, then we strictly follow don’t use duplicates CSS code. For bigger projects, we always follow this trick, remove duplicate code.
- Reduce Whitespace
When you writing CSS then always keep in your mind don’t increase white space. Because it takes up lots of bytes. White create a difference between faster and slower site.
- Shorter Class and ID Names
We know the long class name always helps us to better understand the theme structure. But it’s slow down the process. So, that’s why we are using shorter id and class names for better benefits in the long run.
- Document your code
The best practice is always using CSS comments for helping to identify the code structure. So, we easily notify the useless code in the CSS file.
3. Less Using CSS Hacks
Many times, we are using different hack CSS for different browsers like IE, Chrome, Firefox in one CSS file. Which is not good. We can split the CSS file, like If we write any IE browser-related CSS, then we can use IE conditional statements to load differently. This way, we wouldn’t be loading up IE code while using Chrome, and We would reduce the CSS file size by a great margin.
4. Put the CSS file on top
Best and Basic rules are always CSS file calls between the HTML head tags. It is important that CSS files load before the rest of the pages. It affects the website speed.
After following all the above points, now we can compress our CSS file. It removes all white space which slows down the loading process, and we don’t need to do it by our hand in the CSS files. In the present day lots of online tools available on the Internet which help to do this.
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