To obfuscate an HTML code page means to encrypt or hide strings of characters which are likely email addresses and other source code within the code page. When HTML is obfuscated, spam robots are not ...

To add links to your Tumblr bio, you'll need to use a simple HTML code. Tumblr doesn't give you any sort of built-in way to add links yourself, so you'll have to copy and paste the code in manually.