Wordfence Security - Wordfence Security - Anti-virus, Firewall and Malware Scan. The free is very good if you have the money go for pro, the pro lets you block traffic from certain countries. For example, I block all non-English traffic as I don't need it and saves the bandwidth. Plus Russian and Chinese bots and hackers.
301 Redirects - Easily create and manage 301 redirects.
Ultimate Nofollow - A suite of tools that gives you complete control over the rel=nofollow tag on an individual link basis.
Yoast SEO - The first true all-in-one SEO solution for WordPress, including on-page content analysis, XML sitemaps, and much more. Make sure to make up your mind when choosing a sitemaps plugin, switching from to another will confuse google and may negatively impact your ranking. Pick one and stick to it.
WP Mail SMTP - Reconfigures the wp_mail() function to use Gmail/Mailgun/SendGrid/SMTP instead of the default mail().
WPForms Lite - Beginner friendly WordPress contact form plugin. Use our Drag & Drop form builder to create your WordPress forms.
Page scroll to id - Page scroll to id is an easy-to-use jQuery plugin that enables animated (smooth) page scrolling to specific id within the document.
Responsive Scrolling Tables - Responsive Scrolling Tables detects when tables are bigger than their containers and makes them scroll instead of flowing over the boundary of the container.
Simple Revisions Delete by bweb - Let you delete your posts revisions individually or all at once (purge or bulk action). It will help you to keep your database lean and thin.
Recent Posts Widget Extended - Enables advanced widget that gives you total control over the output of your site’s most recent Posts
I've been using those plugins for years, can't say anything negative about them. More importantly, they are constantly updated and compatible with the latest WP updates.
