They're not. I have a 2017 Macbook Air and gmail frequently takes many seconds to display an email when I click to open it. I used to use Mozilla Thunderbird an

They're not. I have a 2017 Macbook Air and gmail frequently takes many seconds to display an email when I click to open it. I used to use Mozilla Thunderbird and emails loaded basically instantly. I encounter minor annoyances like this almost every time I use a computer. Mostly I don't even consciously notice them anymore since these things happen so frequently, but if they magically disappeared I'm sure the change would feel incredible.