Search and clean redundant JS and CSS on your page

Creating a web page is easy. But making it fast it isn't a piece of cake. First steps are "easy". You optimize the server-side response time, images sizes and weight,…

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HSTS error in Google Chrome

Sometimes, specially after using Fiddler, my Google Chrome shows me HSTS error like below: localhost normally uses encryption to protect your information. When Google Chrome tried to connect to localhost…

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Is User-Agent mobile, desktop or maybe TV?

When we design new layout, we need to find out what kind of users are using our website. The easies way is to parse User Agent string, but it isn't…

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