It's kind of funny though.
No! Absolutely no!
There are no documents stating what is the most popular flight checker site. However the general public will be aware that when searching for a general word in google, the most popular site related to this subject will be first on the list. Going by this theory, it is concluded that Flight Aware is the most popular flight checker site.
A Google XML Sitemap is a list of the webpages that are contained on your website. If you create and submit a sitemap this will ensure that Google is aware of them. This is especially helpful if your site is large and has URLs that are not likely to be found through normal searching.
Google+ is Google's social networking site.
yahoo.com is the competitive site with Google
Google Play is a digital shopping site for Android and Chrome devices. Google+ is a social networking site.
Blogger.com is a blogging site powered by Google.
You can visit the google support site to see how you can change the URL of your site.
It is not absolutely reliable
It Is The Best Site For Google 5 Star Reviews
it is a site
it is a funny site that is like Google. Type it in on google.