In a developer blog post, the company said that with the plug-in, posts will "display just like they do on Facebook, with the ability to show pictures, videos, hashtags and other content.
(Read more: Why is Facebook pushing its IPO price?)
Users can interact with embedded posts by "liking or sharing the post directly from your Web page, liking the page or following other posts from the author … visiting the post's comments, photos, hashtags and other content on Facebook."
The social network is launching with Bleacher Report, CNN, Huffington Post, Mashable and People, but soon public news feed and Timeline posts will include an "Embed" option to copy a post into any site. Facebook wants to tap into public conversation and keep it going, looping it back to Facebook.
To read Facebook's developer blog, click here
But Twitter already offers the ability to embed tweets into websites, news articles and blogs. And unlike Facebook—which is oriented toward private conversations and emphasizes real-world connections—Twitter is designed to be about large-audience conversations with people you don't necessarily know—what CEO Dick Costolo called the "public town square."