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How do websites automatically update?

Think of a website that has a posting feature, such as a social media site. If a user returns to the site after a post has been uploaded, the website dynamically updates to include the new post. How do websites do this? How do websites dynamically change their content?

20th Sep 2018, 1:54 PM
Nick
Nick - avatar
1 Réponse
+ 4
It queries the database every time user visits the site.
20th Sep 2018, 2:44 PM
Toni Isotalo
Toni Isotalo - avatar