The best length for fast reading is not more than 60-70 characters per line. That's why you have columns in newspapers. I have a 4k 26 inch monitor. Full width

The best length for fast reading is not more than 60-70 characters per line. That's why you have columns in newspapers. I have a 4k 26 inch monitor. Full width texts are harder to read, I have to shrink my browser to make the text not so wide.