The rule is extremely simple: the less, the better

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Page layout
The key requirement of the Page layout algorithm is a minimum amount or complete absence of advertising on the first screen of the site. That is, in the part that is on the screen without scrolling. The client is more comfortable using the resource, he concentrates on the content and is not distracted.

Page layout

Mobile-first
Mobile-first means the initial development of a website version for mobile devices, and its subsequent expansion for desktop computers and laptops. At the same time, the mobile version must contain all key armenia email list content elements: text, images with alt descriptions, video, etc. In recent years, Mobile-first has become a generally accepted standard, although it was first seriously discussed back in 2010 at the Mobile World Congress.

Mobile-first

Page loading speed
The faster your site loads, the better. Excellent speed is considered to be 1-2 seconds. Acceptable is 3 seconds. Unacceptable is 3 seconds or more. This indicator is influenced by many factors: the purity of the HTML code, the size and format of images, JavaScript, etc.

Now take a look. We checked the loading speed of the main page of the Rozetka online store using the LOADING.express service. And the results are mixed:

page loading speed

Full load time is 8.6 seconds. That's a lot. As is JavaScript execution time - 5829 ms (optimally - up to 2000 ms). Plus the maximum input lag is 908 ms, although ideally it should not exceed 300 ms.

For comparison, look at the results of the same check of another online store - "Foxtrot". The difference is obvious.