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The link that helps and the one that hurts you
Knows how to recognize, before accepting or requesting a link, whether it comes from a real website or a manufactured package that Google penalizes.
By Yodai · Published September 6, 2026 · Updated October 12, 2026
You get an email: "I'll get you 40 links to your site for $25, you'll rank higher on Google in a week." Another day, a business in your area reaches out: "What if we put a link to your site on mine, and one to mine on yours?" Both emails are about links. The first is exactly what Google penalizes. The second only works if you're actually collaborating.
A well-built website can be missing just that: other pages talking about it. What nobody tells you is that not all links are equal. Some do nothing at all. And some, if you accept them, can make Google drop your rankings instead of boosting them. That cheap-package email is tempting precisely because it promises to solve in a week what otherwise takes months of asking for favors one by one.
The difference isn't how many links you get. It's where they come from.
What Google looks at in a link
Google doesn't count links as if they were standalone votes. It looks at who's placing them. A link carries weight when it comes from a site that exists for its own reason, with its own content and readers, and mentions you because it genuinely makes sense to its audience: a customer who writes about you on their blog, a trade association that lists its members, a local paper covering what's happening in your town.
A link has no value, and can actually hurt you, when it exists only to be a link. A site built out of nowhere, with no visitors, no real content, whose only job is to point to dozens of different businesses in exchange for money. That's called a link package, or a link farm: pages mass-produced to fake the impression that the internet is talking about you when really nobody is.
There's a second signal, besides who's linking to you: the words used in the link. A real customer writes "this is the place that fixed my furnace" or just pastes your address. A link package always uses the exact same phrase, the one you gave them or the one they generated to sell the service: "plumber in (your city)," repeated identically across forty sites. That exact repetition is as rare in the real internet as forty different people describing you with the same words.
The question to ask yourself before accepting or requesting a link is simple: if I searched for this site on Google, would I find it through its own content, or does it only exist to link to others? If you can't answer that, it's the first sign something's off.
Look at the third column. Mass link exchanges with people you don't know at all aren't harmless: Google's spam policies list excessive link exchanges, "link to me and I'll link to you," and partner pages built only to link to each other as examples of link spam, right alongside buying links to rank higher on Google. And sites that break these rules can drop in the results or stop showing up altogether.
And watch out for a trap hiding inside that same table: just because something's called a "directory" doesn't automatically make it safe. Some directories are real trade associations, with members who pay dues and a site people in the industry actually check. And some pages just dress up as a directory, with a form where you enter your business and five minutes later you've got your link, with nobody reviewing anything or ever visiting you afterward. The name isn't the signal. The signal is still the same question as before: is there someone real behind this site who reads it?
The pattern is easy to spot: links that show up all at once, from unrelated sites, with the exact same text. That's not how real people talk.
Before you say yes, ask for this
You don't need to know how to read a site's code or understand analytics to tell a manufactured link from a real one. Just ask for two specific things before agreeing: the exact page where your link would go, and how many visits that specific page gets, not the whole site lumped together. If whoever's offering can't give you that, you already have your answer.
Notice the question asks about the page, not the domain. A site can have a blog with real content and, right next to it, a "sponsored links" section built separately just to sell space. Asking about the specific page keeps them from showing you the good stuff and slipping your link into the corner nobody visits.
Now you have the filter for anything that comes your way from here on: who's behind that site, why it's linking to you, what happens when you ask to see its traffic. You don't need to automatically turn down everything you're offered, or automatically accept whatever comes free: the signal is who's behind it and why they're linking to you. And if you ever pay to appear on a site, like an ad or a sponsorship, that link needs to be marked as sponsored: that way Google accepts it, even though it won't help you rank higher. What's coming up next, your trade association's directory, the supplier you already work with, your local paper, are sites that usually pass this filter with no trouble. That's the next topic.
- You can tell a site that links for a real reason apart from one built only to link out
- You have the question and the two things to ask for before accepting or requesting any link
- You know a link package gets rejected whole, not halfway
- You know the word "directory" doesn't guarantee anything on its own
Cases to decide
Answer before opening each one. If one gives you trouble, go back to the section that explains it.
1. A supplier you buy materials from every month offers to list your site in the "clients" section of theirs.
You accept: it's a real business, with its own visitors, that links to you because you actually work together. That's exactly the kind of link Google rewards.
2. You get an email offering links from 30 "general directory" sites in a single week for $40.
You turn down the whole package. None of those 30 sites exist for any reason other than selling links, and paying for links to rank higher on Google, or relying on low-quality directories, is exactly what its policies count as link spam.
3. A business in your area, one that's not a competitor, offers to trade links: you post theirs, they post yours.
You can do this if you genuinely recommend each other because it's useful to your customers. As a strategy for racking up links, no: Google counts excessive link exchanges, the "link to me and I'll link to you" kind, as link spam.