With Twitter Cards, you can attach rich photos, videos and media experience to Tweets that drive traffic to your website. Simply add a few lines of HTML to your webpage, and users who Tweet links to your content will have a “Card” added to the Tweet that’s visible to all of their followers.

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You probably noticed that some links on Facebook and Twitter looks better than others. They have relevant title and description and most of them have a nice image linked. This is not a coincidence or dark magic and you can implement it for your website in couple minutes.