Web Caching

cache-control no-cache in google request http header

Why Browser Send No Cache In Http Request Cache Control Header

Jerry Zhao March 18, 2019 0

When you browse any web page ( google.com, yahoo.com, bing.com ) in modern web browser, if you inspect the request http headers, you can find cache-control : no-cache header. This header […]

How Web Caching Works In CDN ( Proxy ) Chain Use Cache-Control Http Header

Jerry Zhao March 18, 2019 0

When web browser request a web page from original web server, the request may go through serveral intermediary proxy or cdn servers like below picture. Each node in the chain […]