> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.perkzilla.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Why do I have to place code in the header?

# Why do I have to place code in the header?

That's the metadata so that Social Networks such as Facebook, Twitter, and others networks get the correct share data from your site!

You can set it up as you'd like in [**ADDITIONAL SETTINGS**](https://app.perkzilla.com/campaign-additional-settings#edit-snlinks) 🙌🏼

For example:
```<meta property="og:title" content="Enter to win upgrades and more!">
<meta property="og:description" content="You really should check out how to use PerkZilla to grow your audience! ">
<meta property="twitter:card" content="summary">
<meta property="twitter:title" content="Enter to win upgrades and more!">
<meta property="twitter:description" content="You really should check out how to use PerkZilla to grow your audience! ">
<meta property="og:image" content="https://app.perkzilla.com/storage/uploads/sharing-image/16442629961378025213.jpg">
<meta property="og:image:width" content="1350px">
<meta property="og:image:height" content="1210px">```


![](https://storage.crisp.chat/users/helpdesk/website/639fb8328531b400/screen-shot-2022-04-11-at-1027_hn3otf.png)