URL Hidden Tricks to check page's last update

Check the page’s last update date

1. Go to any web site as you like
2. Delete the content in the URL address bar
3. Enter the following script javascript:alert(document.lastModified)
4. Press Enter
5. This code will display any web page’s last update including the specific time, so by using the this script, you will know that the content you get is that the latest or not