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Kirjutasin blogiposti teemal kust alustada testimist ehk mida esmalt testida http://conversionxl.com/what-to-test-first-second-third/
 What to Test First, Second, Third | ConversionXL conversionxl.com Testing your website is super important, but often people waste their precious effort on stuff that doesn't really matter. Changing the color of your button |
