External linking refers to linking out from your website to other external websites and online resources. These are outbound links that point away from your own domain.
External linking can have several effects on SEO:
- Establishes Authority and Trust
Linking out to reputable, high-quality external sources demonstrates to search engines that your content is well-researched and trustworthy. Search engines tend to favor sites that have a good “voting” pattern of external links. - Provides Context
Linking to relevant third-party websites adds context to your content and enriches the user experience. This context helps search engines better understand the topic and how your content relates to other authoritative sources. - Flow of Link Equity
While linking out “leaks” a small amount of link equity (ranking power) to the recipient site, it also allows some flow of equity back through return links. A natural external linking pattern is seen as a positive signal. - Decreases Bounce Rates
Relevant external links, when used judiciously, can funnel users to other sources to satisfy additional information needs, potentially reducing bounce rates.
However, it’s important to follow best practices for external linking for SEO:
- Link to authoritative, trustworthy websites in your niche.
- Use descriptive anchor text relevant to the content you’re linking to.
- Link out in moderation – too many external links dilute their value.
- Avoid linking to low-quality sites or link farms.
- Use nofollow attributes when linking to untrusted sources.
- Ensure external links open in a new tab or window.
- Regularly audit and remove broken external links.
When implemented thoughtfully, external linking can enhance the content’s credibility, provide topical context, and contribute to a healthy backlink profile – all positive factors for SEO performance.
The key is to balance external linking habits and not go overboard, as excessive or indiscriminate external linking can leak too much equity and authority away from your own website.