2. External linking improves your SEO. The external links you add can assist search engines in determining the usefulness and quality of your pages. High-quality pages usually link to other high-quality pages; thus, search engines will look at your content favorably, helping you rank higher.
Is it OK to link to other websites?
Generally no, but you should check the website's 'Terms of Use' section to see whether it has any specific linking prohibitions. If there are none, you may link to the website but make sure that the webpage opens up in a different browser window.
Does link affect SEO?
Having too many outbound links causes you are websites to appear as link farm or spam site and can potentially hurt your site's SEO. For best results, create outbound links either for the sake of providing additional information for your visitors or in some cases as a link to a product that is reviewed on your site.
Can too many links hurt SEO?
Too many links has the potential to make your page seem spammy, which could affect rankings. Semrush Site Audit triggers this issue for pages with over 3000 links, which is absolute overkill for most pages.