HTTP/2 Indicator is a free Firefox add-on to check if a website uses HTTP/2 protocol. When you visit any website, you will see this add-on indicator in the form of electric current in the address bar. Appearing this icon means the site is using the HTTP/2 protocol. Using HTTP/2 protocol improves the page loading speed.
HTTP(Hyper Text Transfer Protocol) and HTTPs, both are protocols that transfer files (images, videos, documents, etc) to the World Wide Web. HTTP can be insecure whereas HTTP(s) indicates that the site is secured. Now people are moving to HTTP2 which is more reliable and secured in every aspect. It provides speed to load a webpage and better experience to the user.
Free HTTP/2 Indicator Firefox Add-on to Check if A Website Uses HTTP/2 Protocol
As the name suggests, this add-on indicates if the site has HTTP/2 protocol or not? Using this add-on, you don’t need to put any efforts. All you need to install this Firefox add-on named HTTP/2 Indicator. After that, this add-on will do its work.
Once you visit the website, this add-on icon appears in the address bar. As shown in the image above, I visited the site named Times of India. It showed the Http/2 indicator sign (disguised as electric current) in the address bar which means this site has HTTP/2 protocol.
The above-posted image is the website where I visited and you can see the add-on icon indicates no light. Which means the site does not have an HTTP/2 protocol.
The process of using this add-on is quite easy and simple. You can find out about various sites if they have any HTTP/2 protocol.
You can also read this article to know if HTTP/2 supports your website or not.
This add-on is a good way to examine that the website you usually visit, have HTTP/2 protocol or not. You may give this add-on a try and detect sites if they are faster to load.