A backlink is a hyperlink on one website that points to a page on another website, and search engines treat backlinks as signals of trust and authority when deciding how to rank pages.
Backlinks are a major reason one site outranks another. When a credible website links to yours, search engines read it as a vote of confidence, which helps your pages rank.
Quality beats quantity. A handful of links from genuinely relevant, trusted local sources is worth far more than hundreds from low-quality directories, and chasing bad links can actively harm a site.
For a small business, the most durable backlinks come from being a real part of the local world: a supplier's site, a local news mention, an industry body, a sponsorship. They are earned, not bought.
An accountant sponsors a local sports club and is mentioned on the club's website with a link. A regional business directory and a local newspaper article also link to the practice.
Each of those is a genuine, relevant backlink. Search engines see a local accounting practice that the local community actually references.
Compare that to a practice that bought 200 links from unrelated overseas directories. Those links are worthless at best and a liability at worst, and the genuine handful will outrank them.
In-House monitors your backlink profile through the SEO agent, flags toxic links, and surfaces realistic, relevant link opportunities rather than chasing volume.