To increase page score on google page speed follow these steps.
- always use compressed image.
- Enable caching and set expiry date from server via .htaccess.
- keep small css inline.
- Avoid landing page redirects.
- Avoid using plugins like Flash, Silverlight, and Java.
- Always Configure a view port. Like
<meta name=viewport content="width=device-width, initial-scale=1">
- Enable compression via gzip.
- The server response time must be as small as possible.
- Always use readable font sizes. not very small.