Three types of requests account for a website hit-a request from the web browser to a web server for a single file on a website, such as a web page, an image, a stylesheet, a JavaScript file, or any other file that gets loaded by an application in a browser. For every request that a browser sends for a file, it is counted as a hit. Hit numbers can merely give one a rough guide of traffic, but they are not really an accurate measure of user activity. A browser can create many hits just from loading a single page, which includes things such as images and scripts. Much more complex metrics like page views and unique visitors are far better at bringing an accurate picture of website traffic and user behaviour. The very first years of the internet found hits being a very popular metric; however, for nowadays, they have fallen out of favour due to their limitations and the advent of better tools for analytics.