Here is an example of a nofollow link: check this seo guides!
This is its HTML-code: <a href="http://www.webproductblog.com/web-product-management/3-quick-start-seo-guides-for-beginners/" rel="nofollow"> check this seo guides!</a>

Here is an example of a proper seo link: How SEO affects your product planning
This is its HTML-code: <a href="http://www.webproductblog.com/web-product-management/how-seo-will-affect-your-product-planning-right-from-the-beginning/">How SEO affects your product planning</a>

SEOLExA by webproductblog.com