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Sep 10, 2020

Open Graph Meta Tags: Everything you need to know

Michal Pecánek

Are you wondering how to make your content more clickable, shareable, and noticeable on social media?

Open Graph meta tags are the solution.

What are Open Graph meta tags?

Open Graph meta tags are snippets of code that control how URLs are displayed when shared on social media.

They’re part of Facebook’s Open Graph protocol and are also used by other social media sites, including LinkedIn and Twitter (if Twitter Cards are absent).

You can find them in the <head> section of a webpage. Any tags with og: before a property name are Open Graph tags.

Here are some examples from our guide to becoming an SEO expert:

<meta property="og:title" content="How to Become an SEO Expert (8 Steps)" />
<meta property="og:description" content="Get from SEO newbie to SEO pro in 8 simple steps." />
<meta property="og:image" content="https://ahrefs.com/blog/wp-content/uploads/2019/12/fb-how-to-become-an-seo-expert.png" />

This is how those tags look on Facebook:

Why are Open Graph tags important?

People are arguably more likely to see and click shared content with optimized OG tags, which means more social media traffic to your website.

There are three reasons for this:

  1. They make content more eye-catching in social media feeds.
  2. They tell people what the content is about at a glance.
  3. They help Facebook understand what the content is about, which can help increase your brand visibility through search.

Let’s touch more on that last point, as it tends to get overlooked.

Here are the results of a Facebook search for “alternative search engines”:

It brings up popular articles that people have already shared on Facebook. Each title and image comes from Open Graph tags.

Even if there are no articles returned for the search, Facebook still shows matching content shared in groups or pages you follow, or by friends.

SIDENOTE. Open Graph tags also help create a snippet when someone sends you a link through direct messages using apps that support the Open Graph protocol—naturally Facebook’s Messenger and WhatsApp, but also iMessage and Slack.

Which Open Graph tags should you use?

Facebook lists 17 OG tags in their official documentation, plus dozens of object types. We’re not going to discuss all of these. Only four are required for Facebook to understand the basics of your page, and there are a couple of others that sometimes help.

Let’s go through these.


The title of your page.


<meta property="og:title" content="Open Graph Meta Tags: Everything You Need to Know" />

Best practices

  • Add it to all “shareable” pages.
  • Focus on accuracy, value, and clickability.
  • Keep it short to prevent overflow. There’s no official guidance on this, but 40 characters for mobile and 60 for desktop is roughly the sweet spot.
  • Use the raw title. Don’t include branding (e.g., your site name).


The URL of the content.


<meta property="og:url" content="https://ahrefs.com/blog/open-graph-meta-tags/" />

Best practices

  • Use the canonical URL. It helps consolidate all connected data, such as likes, across all the duplicate URLs posted.


The URL of an image for the social snippet.

Note that this is perhaps the most essential Open Graph tag because it occupies the most social feed real estate.


<meta property="og:image" content="https://ahrefs.com/blog/wp-content/uploads/2020/01/fb-open-graph-1.jpg" />

Best practices

  • Use custom images for “shareable” pages (e.g., homepage, articles, etc.)
  • Use your logo or any other branded image for the rest of your pages.
  • Use images with a 1.91:1 ratio and minimum recommended dimensions of 1200x630 for optimal clarity across all devices.


The type of object you’re sharing. (e.g., article, website, etc.)


<meta property="og:type" content="article" />

Best practices

  • Use article for articles and website for the rest of your pages.
  • Describe object types further where appropriate (optional).


A brief description of the content.


<meta property="og:description" content="Learn about 13 features that set Ahrefs apart from the competition." />

Best practices

  • Complement the title to make the snippet as appealing and click-worthy as possible.
  • Copy your meta description here if it makes sense.
  • Keep it short and sweet. Facebook recommends 2–4 sentences, but that often truncates.


Defines the content language.


<meta property="og:locale" content="en_GB" />

Best practices

  • Use only for content not written in American English (en_US). Facebook assumes content without this tag is written in this language.

How to test and debug Open Graph tags

Now that you’ve deployed all the tags, you need to make sure they’re working as expected and are ready for sharing.

For that, use these tools:

They all work the same. They pull tags from the page and show how it looks when shared.

Testing also helps prevent issues where OG tags aren’t displayed or pulled correctly.


Use og:image:width and og:image:height tags to ensure a perfect snippet the first time someone shares it. In WordPress, Yoast adds them automatically. This is their syntax:

<meta property="og:image:width" content="1200" />
<meta property="og:image:height" content="630" />

Here’s what the FB Sharing Debugger looks like in action:

The most important thing is how the snippet looks. If you miss or incorrectly set up less important tags, it’s not a big deal. You can ignore warnings about unimportant tags like fb:app_id

If something looks amiss and you update the tags, use the “Scrape Again” button to pull fresh data. If you don’t see the change after the crawl, use the Batch Invalidator to clear the cache and repeat.

Repeat this process with the Twitter Card Validator and LinkedIn Post Inspector to ensure that your content looks as intended across all networks.

SIDENOTE. I’ve found that only Twitterbot follows robots.txt directives. Both Facebook and LinkedIn crawlers can scrape and show the content even if you disallow crawling. This was surprising, but even just for the sake of Twitter, make sure that all the URLs you share can be crawled.

How to audit Open Graph tags

If you already have a site with hundreds of pages and aren’t sure which already have Open Graph tags, you can use a tool like Ahrefs’ Site Audit to check your pages in bulk.

Just run a crawl, then go to the Social tags report to see all issues related to Open Graph and Twitter Card tags.

Click on a flagged warning to see the explanation and advice on how to fix it.

Click “View affected URLs,” and you’ll see the issue(s) affecting each URL along with relevant metrics. One of those metrics is organic traffic, which you can use to sort the table and prioritize URLs to fix.

Remember, pages that get lots of traffic are most likely to be shared.

Final thoughts

OG tags are important for your social media presence, but there’s no need to spend a lot of time on them.

Focus on getting the basics down. Add tags, check social media previews, and debug.

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