vishwainfoways

Add pages to rediect wit header code 301. 
It is useful when you have shifted to new hosting and is not able to preserve old URL structure. 
It helps to you and to your visitor to redirect to those pages where you want.

Vishwa 301 Redirects

Vishwa 301 Redirects provides an easy method of redirecting requests to another page on your site or elsewhere on the web with 301 redirect.

devoutpro

NoMore404 is a free WordPress plugin for redirection of 404 pages and simple firewall to block malicious hosts and URLs. 
All redirections are done via 301 redirection. 
You can mark any hosts and URLs to be blocked as malicious as well.

Nomore404 404 Redirection and Firewall

NoMore404 is a free WordPress plugin for redirection of 404 pages and simple firewall to block malicious hosts and URLs.

Vishwa 301 Redirects vs Nomore404 404 Redirection and Firewall