- Link to quality websites. - Linking to link farms/spam websites will devalue your website. - Review your external links regularly. - If an external link becomes a link farm or a spam website, you may be penalized for it if you remain linking to the website.
- Ensure all your external links are online and working properly. - Links to external websites should have an appropriate title and description. - Keep number of links on page to a minimum. - Google states that number of links should stay below 100 per page.