Reducing TTFB is critical to your visitors' page experience as it affects every resource referenced in your HTML, and directly influences how long it takes for your page to load. A slow TTFB may negatively affect your front-end resources as your visi...

If you are using any script file and getting "Uncaught ReferenceError: x is not defined " which means ‘x’ is either a variable or a method which you are trying to use before declaring it using var keyword. This means that there is a non-existent vari...

Detecting mobile device using user agent isn't the best way to check if a user is using a mobile device since user agent strings can be spoofed easily. However, this method is still an easy way to check what device is being used by the user.There is ...