Open Graph (OG) tags are meta tags in your page's HTML that control how your pages appear when shared on Facebook, Instagram stories, Pinterest, LinkedIn, Slack, and iMessage. When OG tags are missing, social platforms pull random content from your page — often the wrong image, a truncated title, or no description at all. This makes shared links look unprofessional and dramatically reduces click-through when buyers share your products.
When a customer finds a product they love and shares it in a group chat or posts it on social media, the shared link is a mini-ad for your store. If it shows a blurry thumbnail, the wrong title, or blank preview — you've lost the click from everyone who sees that share. Given that social referral traffic is often pre-sold and converts well, losing those clicks is a meaningful revenue impact.
Use the Facebook Sharing Debugger: developers.facebook.com/tools/debug/ — enter any product URL and see exactly how it appears when shared on Facebook. Pay attention to og:image, og:title, and og:description.
Copy a product URL and paste it into Slack or iMessage. If no preview card appears, or if it shows the wrong image or title — OG tags are missing or misconfigured.
View your page source (right-click → View Page Source) and search for "og:title". If you find og:title, og:image, and og:description tags near the top — OG is configured. If they're missing, they need to be added.
Most Shopify themes include OG tags by default. If they're missing, check your theme.liquid file for any modifications that may have removed them.
In Shopify Admin, go to Online Store → Themes → Edit Code → Layout → theme.liquid.
Search for "og:title" in the file. If it exists, your OG tags are already there — the issue may be the content, not the tags themselves. Fix the content in each product's SEO fields.
If og:title is missing entirely, add these tags inside your <head> section — Shopify themes like Dawn include these by default, so you may need to re-add them if they were accidentally removed.
For the OG image: make sure your product images are at least 1200×630 pixels. Smaller images appear poorly on most social platforms.
For the OG description: this pulls from your meta description. Make sure your products have meta descriptions written in the SEO section of each product.
After fixing, recheck with Facebook's debugger and click "Scrape Again" to force a refresh of the cached preview.
Assuming OG tags are automatic — they are in most themes, but theme customizations sometimes accidentally remove them
Using OG images that are smaller than 1200×630 — they appear cropped or blurry when shared
Not having a meta description, which is what og:description typically pulls from
Forgetting to "Scrape Again" in Facebook's debugger after making changes — it caches the old version until you force a refresh
Only testing on Facebook — check iMessage, Slack, and Pinterest previews separately as they render differently
Medium
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Beginner-friendly
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