At Moz, we strive to include social media metadata in all new pieces of content that we publish. This allows us to optimize for sharing Twitter, Facebook, Google+ and Pinerest by defining exactly how titles, descriptions, images and more appear in social streams.

Think of it as conversion rate optimization for social exposure.

The implications for SEO are also significant. We know from experience and studies that the right data, including optimized images, helps content to spread, which often leads to increased links and mentions.

Knowing exactly which social meta tags to include can be confusing even to experienced webmasters. This post by Micheal King is a huge help, and Wordpress publishers who use Yoast's SEO plugin are well ahead of the game. For the rest of us, consider the different structures supported by the major social platforms:

To help ease this problem, I created four social media tag templates that you can fill out, customize for your own use, and share with your team and others.

Simply copy and paste the template into the text editor of your choice. Make sure to replace any orange or green text with your own data, and customize, eliminate or add any tags you find necessary.

The first three of these templates are optimized using a typical "article" markup and data, ideal for blog posts and most written content. The final template contains markup for product pages.For other post types, such as book or recipes, refer to documentation linked at the end of this post for reference on what to customize.

When you are done, don't forget to test and apply for approval.

This slimmed back version runs lean and fast. It contains a bare minimum of data for optimized sharing across Twitter, Facebook, Google+ and Pinterest.

Title tags and meta descriptions are included even though they aren't technically social media meta tags. This is because they can be used by Google+ and other social media platforms, and it is best practice to include them on every page you publish.

Page Title. Maximum length 60-70 characters

The standard template represents a more robust implementation of social tags and is meant to work across all platforms. In addition to all of the features of the mimimal template above, the standard template includes the following:

Page Title. Maximum length 60-70 characters

This is the monster! In addition to all the data contained in the standard template, the full template contains:

Page Title. Maximum length 60-70 characters

For merchants, product markup is very popular, and usually easy for developers to implement in their shopping cart software. The product template differs from article markup in only a few ways:

Page Title. Maximum length 60-70 characters

https://dev.twitter.com/docs/cards/validation/validator

Before your cards show on Twitter, you must first have your domain approved. Fortunately, it's a super-easy process. After you implement your cards, simply enter your sample URL into the validation tool. After checking your markup, select the "Submit for Approval" button.

https://developers.facebook.com/tools/debug

You don't need prior approval for your meta information to show on Facebook, but the debugging tool they offer gives you a wealth of information about all your tags and can also analyze your Twitter tags.

http://www.google.com/webmasters/tools/richsnippets

Webmasters traditionally use the structured data testing tool to test authorship markup and preview how snippets will appear in search results, but you can also use see what other types of meta data Google is able to extract from each page.

http://developers.pinterest.com/rich_pins/validator/

Like Twitter, Pinterest requires an approval process to enable Rich Pin functionality. Use the Rich Pin Validator tool to test your data markup and apply for approval at the same time.

The image you link to in your social data does not actually have to be on the page, but it should represent your content well. The image allows you to controll what people see when they share your content, so it's important to use quality images.

Every social platform has different standards for sizing. Typically, it's easier to keep it simple and choose one image size that will work for all services.

In short, larger images offer you the most flexibility. When in doubt, test each page using the appropriate tool below to see exactly how your images will appear in snippits.

If you could choose only one type of meta data to include, your best bet is Open Graph. That's because all the platforms can use it as a fallback, including Twitter to a large degree.

The meta property "fb:admins" requires that you enter your numeric Facebook id number, and gives you access to analytics about how your website content is shared on Facebook. Read more about Page Insights, including how to set it up and discover your numeric id.

Use these templates as a starting point, but you can customize them in millions of ways. A few valuable resources to aid your journey:

What are your best tips for optimizing your content for sharing? Let us know in the comments below.