Gravatar images in WordPress sites don`t have alt and title tags, with this plugin you can resolve this problem on your site.

Gravatar SEO

A light and simple plugin to insert automatically ALT & TITLE tags into Gravatar images in your site.

huynhduy1985

Use Kads SEO to optimize your WordPress site for SEO. It’s easy and works out of the box for beginners.
A few prominent features: 
* Google AMP support (Accelerated Mobile Pages) 
* Redirect attachment pages to parent post 
* Automatically notifies search engines like Google and Bing about changes to your site 
* Automatically optimizes your titles for Google and other search engines 
* Generates META tags automatically 
* You can override any title and set any META description and any META keywords you want. 
* Compatibility with many other plugins 
* PHP 7 100% Compatible 
* Full data retrieved automatically. 
* When show page you can see SEO. 
* Noindex, Nofollow everywhere if you want. 
* Optimized data usage speed as quickly as possible. 
* Always use available data to optimize the System.
Demo https://www.bandatnendongnai.vn/

Kads SEO

SEO optimized and works with any WordPress theme. Full data retrieved automatically. All tags are intelligently integrated based on the available data …

Gravatar SEO vs Kads SEO