Link building guide: how to build safe backlinks

What is link building and does it still matter in 2026?

Link building means getting other websites to link to your pages, and it still matters because links remain one of the signals Google uses to judge which pages are trusted. A link from a respected site in your niche works like a recommendation. Wikipedia’s article on the backlink gives a simple history of how search engines started using them.

Links are not the only factor. Helpful content, technical health and a good page experience matter too, which is why I always start with an on-page SEO review before building links. In competitive niches, though, two pages with similar content are often separated by the quality of their links.

What makes a good backlink?

A good backlink comes from a relevant site with real organic traffic, sits inside useful content and is on a page Google has indexed. I check these four things before every placement, and the image above sums them up.

Which link building methods are safest?

The safest methods are links that make sense for readers: guest posts on real sites in your niche, brand mentions in news and industry content, and links you earn with useful tools or research. I explain the main options below.

Guest posts. You publish a helpful article on another site. See guest posts on niche blogs and Google News guest posts.

Brand mentions and digital PR. Your brand is named in news or industry articles, which also helps AI tools recognise you. See brand mentions on news sites.

Earned links. People link to free tools, original data and clear guides because they are useful. My own free SEO tools exist for this reason.

Supporting links. Web 2.0 posts, expired domains and Q&A answers can add variety, but they should never be your main strategy.

What does Google say about paid links?

Google’s Google spam policies define link spam as links made mainly to manipulate rankings, and they list buying or selling links for ranking purposes as an example. The same page says paid or sponsored links are fine when they are marked with rel="sponsored" or rel="nofollow".

Google’s Google guide to qualifying outbound links recommends rel="sponsored" for advertisements and paid placements. In practice this means the safest long-term strategy is relevant content, real publications and links people would click, not large volumes of paid links built only to pass ranking credit. I compare the risk of each approach in guest posts vs PBN links.

How should you use anchor text?

Most anchors should be your brand name or URL, with only a small share using exact keywords. Using the same keyword anchor again and again looks unnatural and is a common reason links stop helping.

How much should you budget for link building?

Most small businesses start with 2 to 4 quality guest posts a month and adjust after 2 to 3 months of results. My own starting prices run from $10 for supporting links to $350 for an MSN.com placement, and the full breakdown is in how much link building costs.

If you want an instant estimate, use the price calculator on my home page.

How do you measure link building results?

Track organic traffic and rankings for the pages that receive links, not just your domain authority score. Check every link is live and indexed, and give each link several weeks to a few months to show its effect.

Google Search Console shows clicks, impressions and positions for each page, and its Links report lists the sites linking to you. If new pages are not getting indexed at all, read my guide to the crawled, currently not indexed status first.

Worked example: a local dental directory

Frequently asked questions