Site performance is potentially the most important metric A Fragment by Kealan Parr css-tricks.com Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. A 2017 study by Akamai says as much when it found that even a 100ms delay in page load can decrease conversions by 7% and lose 1% of their sales for every 100ms it takes for their site to load which, at the time of the study, was equivalent to $1.6 billion if the site slowed down by just one second. performanceuxmetrics
The city's most vital organs Streets and their sidewalks, the main public places of a city, are its most vital organs. They serve many purposes besides carrying vehicles, and city sidewalks—the pedestrian parts of the streets—serve many purposes besides carrying pedestrians. These uses are bound up with circulation but are not identical with it and in their own right they are at least as basic as circulation to the proper workings of cities. Jane Jacobs, The Death and Life of Great American Cities The right overlap streets