Ever since developers moved to more managed development languages, such as C# and .NET in general, the need for optimization has become less important. This is not to say that optimizing your code is not important--on the contrary, it still is, and it is important to understand as a SharePoint developer that items you implement and package to your solutions will affect the overall page payload for your users. As a developer, this might not seem such a big problem, but considering the fact that your page might get hundreds or thousands of active users, the lack of optimization soon starts to take its toll.
Germany
Slovakia
Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
Luxembourg
Estonia
Lithuania
Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia