WP-Validate indexes your site, collecting all the blog posts, pages and other published content, and submits it to the W3C’s HTML Validator, which then returns the response.
WP-Validate then lists the valid pages, and the invalid pages, with a link to the specific validator URL.

WP-Validate

WP-Validate collects all the pages on your site and runs them through the W3C's HTML Validator.

Sumit Malviya

Nofollow External/Outbound Link (SEO) is a lightweight WordPress plugin that automatically adds the rel=”nofollow” attribute to external links across your website.
The plugin works silently in the background and requires no configuration. Simply install and activate the plugin, and all external links will automatically receive the nofollow attribute.
With no complex backend configurations required, this plugin seamlessly integrates into your WordPress site. Upon activation, it works silently in the background, applying the rel=”nofollow” attribute to all external links across your website. This proactive approach ensures that search engine crawlers recognize these links as non-endorsements, helping you maintain control over your site’s link profile.
This helps:
<ul>
<li>Improve SEO management</li>
<li>Protect your website’s link equity</li>
<li>Reduce unnecessary endorsement of external websites</li>
<li>Improve control over outbound links</li>
<li>Follow search engine best practices</li>
</ul>
Perfect for:
<ul>
<li>Bloggers</li>
<li>Affiliate marketers</li>
<li>SEO professionals</li>
<li>Business websites</li>
<li>WooCommerce stores</li>
</ul>
<h4>Features</h4>
<ul>
<li>Automatically add rel=”nofollow” to external links</li>
<li>No settings required</li>
<li>Lightweight and fast</li>
<li>Works with all WordPress themes</li>
<li>Compatible with most plugins</li>
<li>SEO friendly</li>
<li>Easy installation</li>
</ul>

Nofollow External/Outbound Link (SEO)

Automatically add rel="nofollow" to external and outbound links to improve SEO, protect link equity, and control outbound link behavior.

WP-Validate vs Nofollow External/Outbound Link (SEO)