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What is “If Modified Since”?

A cartoon drawing sitting by a big screen with the words seo written with an open laptop browsing simba academy for seo dictionary terms
A cartoon drawing sitting by a big screen with the words seo written with an open laptop browsing simba academy for Simba's SEO dictionary terms

If Modified Since is The if modified since header is an HTTP header that is sent to a server as a conditional request. If the content has not changed the server responds by providing only the headers with a 304 status code. If the content has changed the server responds to the request with a 200 status code and the entire requested document / resource.  

From Simba’s SEO Dictionary

Written by Simba

I teach the world's marketers and entrepreneurs Digital Marketing for FREE at Simba Academy. I am the founder of Simba Academy, I write books about Digital Marketing, I am a Digital Marketing consultant and I speak about Digital Marketing.

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