Google site API or RSS


i’m a novice about Ionic so sorry in advance for my ignorance.

I build an application and i want to get feeds from a google site:

There is a RSS FEED deployed.

Do you know where i can find a tutorial to get the feeds (by RSS)?
Or a tutorial forget the feeds by google API ?


Here is how I built an RSS reader for my own use (btw)
It has a provider that runs through the RSS feeds