JavaScript how does a service like feedly obtain the rss feeds from a website when the website URL is entered into the search box(not the feed url what does service look like,does honda have a service

This may be a dumb question , not a completely programming related question but bear with me as I am trying to learn.

How does FEEDLY retrive the feeds / news from a website just by entering the website URL into the search box.

For instance , I entered http://www.inspirationfeed.com into the search field and the AJAX call / query string which was passed was

http://cloud.feedly.com/v3/search/feeds?q=http%3A%2F%2Finspirationfeed.com%2F&n=20&ck=1381664838936

It returned a JSON as the response

{"results":[{"deliciousTags":["Design","inspiration","Diseño","Web Design","webdesign","graphic design"],"lastUpdated":1381561980000,"score":27531.265625,"website":"http://inspirationfeed.com","title":"inspirationfeed.com","subscribers":1772,"language":"en","velocity":16.3,"feedId":"feed/http://feeds.feedburner.com/inspirationfeed/BTLD","description":"be inspired!"},{"deliciousTags":["DESIGN","Inspiration"],"lastUpdated":1381474380000,"score":48.0,"website":"http://inspirationfeed.com","title":"inspirationfeed.com » Inspiration","subscribers":48,"language":"en","velocity":4.7,"feedId":"feed/http://inspirationfeed.com/category/inspiration/feed/","description":"be inspired!"},{"deliciousTags":["design"],"lastUpdated":1381479900000,"score":294.7439270019531,"website":"http://inspirationfeed.com","title":"inspirationfeed.com » Articles","subscribers":27,"language":"en","velocity":11.7,"feedId":"feed/http://inspirationfeed.com/category/articles/feed/","description":"be inspired!"},{"deliciousTags":["Photography"],"lastUpdated":1381129620000,"score":17.0,"website":"http://inspirationfeed.com","title":"inspirationfeed.com » Photography","subscribers":17,"language":"en","velocity":0.7,"feedId":"feed/http://inspirationfeed.com/category/photography/feed/","description":"be inspired!"},{"deliciousTags":["Little Bit of Everything-Amatuer"],"lastUpdated":1381396020000,"score":109.16442108154297,"website":"http://inspirationfeed.com","title":"inspirationfeed.com » Blogging","subscribers":10,"language":"en","velocity":0.5,"feedId":"feed/http://inspirationfeed.com/category/articles/blogging/feed/","description":"be inspired!"}]}

WHAT I UNDERSTOOD

1)Based on the key deliciousTags , feedly generates the # tags 2)Based on the key score , feedly arranges the different feeds / news URLS available from the site in a top down order

WHAT I DIDNOT UNDERSTAND

1)How does feedly get the news feed / rss URL by just entering the website URL (EXAMPLE : "feedId":"feed/http://feeds.feedburner.com/inspirationfeed/BTLD")

2)What type of a web service needs to be written for such a thing. Does it need server side scripting to do a deep search of the website in question and retrieve the feed URLS ? Can the feed URLS be fetched on the client side itself using JQuery / Javascript ?

Once again , thank you for taking time to read the question.

Answer:1

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