What is the underlying technique of the URL "http://abcde.com/#!download|"?

I've come across URLs such as and multiple times online. It seems to involve advanced ajax techniques (which I'm not familiar with), but tutorials on this topic are scarce. My question is: What is the name of this technique and where can I find more information about it? Interestingly, even the Wikipedia article on "ajax" doesn't touch upon this. Appreciate any insights from the community!

Answer №1

Using the `#!` syntax is a method to indicate to search engine bots that the content can also be accessed through a standard HTTP request by eliminating the hashbang and adding the URL after the `!` to the end of the path (if it's absolute, following removal of the previous path).

Answer №2

What is the term for this specific technique?

This technique is known as Hashbang. I inquired about it some time ago on Stack Overflow.

Using a hash by itself triggers the hash change event in newer browsers. This works effectively with modern JavaScript applications, especially those built using node style frameworks since they operate asynchronously. However, one drawback is that these pages are not indexed by google.

Interestingly, it was later discovered that adding an exclamation mark before the hash content (!) actually allows Google to index it. Pretty cool, right?

Where can I find more information about this topic?

To delve deeper into this subject, check out:

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