Navigate to the Tumblr blog in any browser. All Web browsers, including Mozilla Firefox, Google Chrome and Internet Explorer can display the source code of the page. Open the Web page’s source. In Mozilla Firefox or Google Chrome, press “Ctrl-U” to view the page source. In Internet Explorer, press “Alt” to display the Menu bar, click “View” and choose “Source” from the menu to view the HTML code of the page. Locate the
tag. The code between theandtags is the header of the page and contains the meta tags. If you are interested in the header image, it is located between theandtags. The tag that displays the header image is