LinkGuard Blog

Insights, Tutorials & Best Practices

Expert knowledge for SEO professionals. Learn how to build, monitor, and protect your backlink profile with our comprehensive guides.

Latest Articles

An llms.txt file at a website root being walked past by AI crawler bots, illustrating that the file is rarely requested
Technical SEO

What is llms.txt — and does your site actually need one?

llms.txt is a tidy little file that's supposed to help AI tools read your site. Here's what it actually is, what the spec says, and the uncomfortable part the hype skips: as of mid-2026, the data shows almost nobody's AI is reading it. An honest guide from a team that built a generator for it.

An AI answer box citing a named source above a list of blue links, illustrating how AI search engines quote content instead of just ranking it
SEO Strategies

How to get cited by ChatGPT, Perplexity and Google AI Overviews

Most Google searches now end without a click. So the question stopped being 'how do I rank?' and became 'how do I get the AI to mention me?' Here's what actually earns a citation in AI search in 2026 — and an honest look at where backlinks still fit, from someone who sells a backlink tool.

A genuine guest article on a relevant publication with one natural in-content link, beside a rejected spam article farm
Link Building

Guest posting for backlinks, done right: earn links Google counts

Guest posting still earns real backlinks in 2026, but only the genuine kind. How to find sites worth writing for, qualify them, pitch, write, and keep the link working after it is published, without crossing into the spam Google devalues.

A vendor price list of paid backlinks weighed against the consequence: most quietly devalued by Google
Link Building

Should you buy backlinks? An honest answer for 2026

Buying backlinks is not illegal, but it is mostly a bad trade. What Google actually does when you pay for links, when it is wasted money, when it is a real risk, and what earns links that last instead.

A backlink pointing at a page that has dropped out of Google's index, so the link equity has nowhere to land
Link Building

Is the page your backlinks point to still indexed by Google?

A backlink only counts if the page it points to is in Google's index. When one of your own pages quietly drops out, every link aimed at it is wasted — here's how to catch it before you keep spending.

A backlink whose negotiated anchor text was quietly edited to 'click here' after publishing, still live but carrying a different message
Link Building

When a publisher changes your anchor text after publishing

The link is still live and still followed, but the anchor you negotiated now reads something else. Why an edited anchor matters, how to spot it, and how to get the words you paid for put back.