
Glossary
backlinks
A backlink is an incoming hyperlink from one website to a specific webpage on another website. Links from within the same website are not considered backlinks. Search engines use backlinks as an important factor in their algorithms for determining search result placement.
Context and Usage
Backlinks are primarily used in search engine optimization (SEO) and digital marketing contexts. Website developers, SEO specialists, and content creators work to acquire backlinks to improve their site's visibility in search engine results pages. They are commonly discussed in relation to link building strategies and domain authority metrics, with search engines like Google using them as signals of content quality and relevance.
Common Challenges
Common challenges include dealing with low-quality or spammy backlinks that can negatively impact search rankings, difficulty in earning high-quality backlinks from authoritative websites, and the time-intensive nature of organic link building. Some websites struggle with balancing backlink quantity versus quality, while others may face penalties for unnatural link patterns or manipulative link building practices that violate search engine guidelines.
Related Topics: SEO, link building, domain authority, page rank, anchor text, outbound links, internal links, search algorithms
Jan 22, 2026
Reviewed by Dan Yan