The coding ... xmlns:og='http://ogp.me/ns#' … is recommended for Open Graph protocol, but why isn't it easy to find this code on an official source from Facebook?
https://www.google.com/search?q=xmlns%3Aog%3D%27http%3A%2F%2Fogp.me%2Fns%23&oq=xmlns%3Aog%3D%27http%3A%2F%2Fogp.me%2Fns%23&aqs=chrome..69i57j69i58.2274j0j7&sourceid=chrome&ie=UTF-8
The Open Graph protocol
ogp.me/
... which should represent your object within the graph. og:url - The canonical URL of your object that will be used as its permanent ID in the graph, e.g., "http://www.imdb.com/title/tt0117500/". As an example, the following is the Open Graph protocol markup for The Rock on IMDB: <html prefix="og:http://ogp.me/ns#"> <head> …
Open Graph Protocol for Facebook explained with examples
https://www.optimizesmart.com/how-to-use-open-graph-protocol/
<html xmlns="https://www.w3.org/1999/xhtml" xmlns:og="https://ogp.me/ns#"xmlns:fb="https://www.facebook.com/2008/fbml">. <head>. <title>Himanshu's Open Graph Protocol</title>. <meta http-equiv="Content-Type" content="text/html;charset=WINDOWS-1252" />. <meta http-equiv="Content-Language" content="en-us" />.
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facebook - Open Graph namespace declaration: HTML with XMLNS or ...
https://stackoverflow.com/.../open-graph-namespace-declaration-html-with-xmlns-or-...
Nov 23, 2011 - I tried following @Paul Tarjan's answer of using prefix in the head. However I got some Internet Explorer 8 issue. So in the end I still use the xmlns way for fb namespace: <!DOCTYPE HTML> <html xmlns:fb="http://ogp.me/ns/fb#"> <head prefix="og: http://ogp.me/ns# object:http://ogp.me/ns/object#"> …
facebook - Meaning of HTML prefix attribute (Open Graph Protocol ...
https://stackoverflow.com/.../meaning-of-html-prefix-attribute-open-graph-protocol
Jan 14, 2015 - Can I write <html prefix="og:http://ogp.me/ns#"> instead of <html prefix="og: http://ogp.me/ns#"> or would that be a syntax error? Besides from not being able to find any examples ... <html prefix="foaf: http://xmlns.com/foaf/0.1/ dc: http://purl.org/dc/terms/" > <!-- your page --> </html>. If this prefix tag is not part …
How to Use Facebook's Open Graph Tags on a Website
https://www.customfitonline.com › Blog
Feb 27, 2013 - Getting Started. The first thing you need to do is replace your <html> tag. Example of a standard <html> tag: <html xmlns="http://www.w3.org/1999/xhtml">. Change the <html> tag to: <htmlxmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#"xmlns:fb="https://www.facebook.com/2008/fbml"> …
How to Add Open Graph Tags Using Blogger - AddThis
https://www.addthis.com/academy/how-to-add-open-graph-tags-using-blogger/
By default, there will be other namespaces already included, so you will just need to add "xmlns:og='http://ogp.me/ns#' " to the end. Here's an example of ... expr:content='data:blog.postImageThumbnailUrl' property='og:image'/> </b:if> <meta expr:content='data:blog.title' property='og:title'/> <meta expr:content='data:blog.
How to implement open graph protocol in blogger/blogspot blogs ...
www.bloggerhow.com › Blogger Design
Jul 29, 2012 - So it will look like this <html xmlns:og='http://ogp.me/ns#' ... Find </head> by Search (Use Ctrl+F ); Add following code just above to the </head>. <!-- BEGIN Open Graph tags --> <meta expr:content='data:blog.metaDescription' name='description' property='og:description'/> <meta expr:content='data:blog.
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