- Author: [[Steve Souders]] - Full Title: High Performance Web Sites - Tags:: books [[inbox]] -  - ### Highlights first synced by [[Readwise]] [[2020-09-03]] - Image and PDF files should not be gzipped because they are already compressed. ([Location 1467](https://readwise.io/to_kindle?action=open&asin=B0028N4WHY&location=1467)) - There is a cost to gzipping: it takes additional CPU cycles on the server to carry out the compression and on the client to decompress the gzipped file. ([Location 1471](https://readwise.io/to_kindle?action=open&asin=B0028N4WHY&location=1471))