I tried YARPP but found its taking load on site
any other suggestion which dont slow the site?
I’m using this one and it loads great. https://wordpress.org/plugins/yuzo-related-post/
Check out the features.
It dont have cache option
contextual related posts has
YARPP cause severe site-wide slowdown and crashing of WordPress installations running on an average server with lots of posts and lots of tags. Following are some of the plugins that slow down a WordPress website:
You could try these less resource hungry plugins.
Related Posts By Taxonomy - https://wordpress.org/plugins/related-posts-by-taxonomy/
And this one is also useful plugin to try out. upPrev - https://wordpress.org/plugins/upprev/
I want usefull plugins bro