Tooltips for you:

1. Add this piece of HTML code anywhere on your page:

<script type="text/javascript" src="https://classicdb.ch/templates/wowhead/js/power.js"></script>

2. Make a href like this on your site:

Link Items

<a href='https://classicdb.ch/?item=14555' target='_blank' rel='item=14555'>

Link result item

Link Spells

<a href='https://classicdb.ch/?spell=12473' target='_blank' rel='spell=12473'>

Link result spell

2. You are done!