1. Google’s PageSpeed Insights
This is a very useful online tool which will give you a pretty good idea about a site’s performance. Just enter the website’s URL and it will list out the entire report as per their priority. If you are a website’s owner then this will help you a lot. It will give you all possible suggestions that you can do to increase your site’s performance. I personally liked this service a lot because it has been made by big G.
- Avoid empty src or href
- Put CSS at top
- Avoid URL redirects
This is a very interesting place to compare two websites side by side. Just go the website, enter two URLs and press enter. It will analyze for a second and show you which one is faster and how much time faster. Following image shows a sample output of the website.