Black hat SEO tactics have been around since the dawn of the internet.
One of the earliest was link farms. These involve creating a network of low-quality sites that link to each other to artificially boost search engine rankings.
Over time, search engines like Google updated their algorithms to detect and penalize these practices.
However, these tactics still exist today, even though they’re less effective and can lead to significant penalties.
This blog takes an in-depth look at Google farm links, why they’re harmful, and what you should do instead to attract organic, high-quality links.
What is a Google farm link?
A Google farm link, aka a “link farm,” is a collection of websites that link to each other to artificially inflate search engine rankings.
This is an effort to manipulate Google’s search algorithm by increasing the number of outbound links to a website.
Where does this practice come from? And why would webmasters use it to try to gain search engine rankings?
Google tends to reward sites that have high-quality outbound links pointing to them. When a trustworthy and authoritative site links back to your site, it tells Google that your site must be a valuable resource, too.
This helps you build “link juice” or “link equity,” which is the value and authority one page passes to your site.
Evidence backs this up. One study by Internet Marketing Ninjas found that 96% of sites that rank in Google’s top 10 positions had 1,000+ backlinks from unique domains.
The bottom line is that Google prioritizes sites with high-quality backlinks. So, why would black hat SEOs try to build link farms that typically have low-quality, irrelevant links that don’t provide value to users?
Because it gives the appearance of credibility when multiple low-authority websites link back to a site.
Google has been cracking down on this manipulative practice since its Penguin algorithm update in 2012. It did this by scanning websites for backlinks and identifying poor-quality sites based on those links.
From there, Google can de-index pages it discovers are part of a Google farm link or benefit from one. This can significantly damage a site’s search engine results page (SERP) and web traffic.
Here’s an example of a penalty many site owners received after the Penguin update.
How do Google farm links work?
Google link farms exploit Google’s ranking factors, primarily the importance of backlinks.
They take advantage of this by generating large volumes of links in a short amount of time.
Based on The State of Backlinks for SEO in 2024, 35.9% of SEOs agree that link quality is more important than link quantity. But in Google’s early days, the search put lots of weight on the number of inbound links a website had. It assumed that more links meant higher relevance and authority.
So, the more links a site had, the better its rankings.
Quantity trumped quality. That is, until Google realized sites were trying to “game” the search algorithm by building more backlinks.
Here’s a breakdown of how a link farm typically operates:
- One user or a group of users creates a network of low-quality or fake websites.
- The users program the websites to link to one another, often with keyword-rich anchor text. For example, Site A might link to Site B, C, and D, while Site B links back to A, C, and D, and so on. If this brings to mind a web, you’re absolutely right. The idea is to create a web of interlinking sites that artificially inflate each site’s backlink count.
- The site paying for the link farming service receives an unnatural spike in backlinks. This makes it seem like a popular and authoritative site.
Even if link farming tactics have seen gains from their efforts, they only last for a while. Google’s algorithms are now much more sophisticated at identifying unnatural linking patterns.
These patterns include:
- Links with exact-match anchor text (e.g., repeatedly using the same keyword as anchor text)
- Reciprocal link exchanges, where two sites link to each other in a mutually beneficial but manipulative way
- A high volume of links from low-authority sites
- Sudden spikes in the number of backlinks
- Links for irrelevant sites or industries
Why are Google farm links harmful?
Google farm links are harmful for many reasons, both for websites that use them and the broader digital ecosystem.
Link farms contribute to a poor user experience. That’s because they often promote irrelevant, low-value content. So, these sites rarely provide helpful information and frequently frustrate users.
Remember, Google’s main goal is to provide searchers with reliable, valuable information. The key is to do this with as few clicks and as little friction as possible.
Screenshot provided by the author
Link farms get in the way of that.
How Google detects and penalizes link farms
Beyond the huge Penguin update in 2012, Google has continued to change its algorithms and improve its ability to detect spam links.
Here are other updates Google introduced to target link farming and other manipulative link-building practices.
- Disavow Tool (2012): The Google Disavow Tool allowed webmasters to disassociate their websites from harmful or manipulative links. This included those from link farms. Sites that had negative impacts from link farms, whether on purpose or due to negative SEO, could mitigate that damage by disavowing links. This gave webmasters more control over their link profiles and recovery options.
- Penguin 2.0 (2013): This update refined the original Penguin algorithm. It went deeper into websites and analyzed pages more thoroughly. It didn’t just target the homepage. It also targeted subpages with unnatural link patterns. Google became better at penalizing link farms that tried to distribute links across multiple pages.
- Google Hummingbird (2013): Google Hummingbird mostly focused on improving semantic search and understanding user internet. But it also helped the search engine better identify low-quality link schemes. It did this by enhancing Google’s ability to interpret the value of links in the context of content relevance.
- Penguin 3.0 (2014): Penguin 3.0 was a data refresh rather than a major algorithmic update. It allowed previously penalized sites that had cleaned up their backlinks to recover their rankings. It also targeted new offenders.
- Penguin 4.0 (2016): This update marketed a major shift in how Google dealt with link penalties. It became part of the core algorithm and started operating in real time. It allowed Google to detect unnatural links more quickly. Websites that cleaned up their backlink profiles could recover faster.
- Google Link Spam Update (2021): Google’s Link Spam Update of 2021 focused on identifying and nullifying unnatural links. Google emphasized the importance of qualified, relevant backlinks. It also improved how it detects spammy, low-quality links. The update increased Google’s ability to detect unnatural link patterns. This included those from link farms and ensured they had no value in improving a site’s rankings. The update also stressed how important it was to use proper link attributes (e.g., sponsored, nofollow).
- Helpful Content Update (2022): The Helpful Content Update aimed to prioritize high-quality, people-first content. It also penalized content that manipulates search rankings. This included content that attracts links without providing value. This update affect websites that relied on low-quality content to generate or host links. It emphasized that content should be useful to users, which made it more difficult for link farms to justify their presence.
- SpamBrain (2023): In 2023, Google introduced its AI-powered SpamBrain system. It detects spammy behaviors, including manipulative links and low-quality site networks.
Google uses other different methods to detect and penalize websites involved in link farming.
- Manual actions: In some cases, Google’s quality team manually reviews websites and backlinks. If they find evidence of a Google farm link, the website will receive a manual action. This often results in a significant drop in rankings.
- Pattern detection: Google can spot patterns of reciprocal links. This involves multiple websites linking to each other in a closed loop without any logical connection or relevance. These link patterns seem to be a red flag for Google farm links.
- User reports: Google also relies on user reports and other signals to detect link farms. Users who come across suspicious links can report them. Then, Google’s team will investigate those links further.
It can be difficult to recover once Google penalizes a site by demoting its rankings. It can take a long time to rebuild the site and takes a lot of effort. For example, you’d have to disavow harmful links and create high-quality content to restore trust.
Even then, there’s no guarantee the site will regain its rankings. That’s why it’s best to avoid the practice of link farming altogether.
Ethical and effective alternatives to link farming
We can all agree that link farming is a harmful and risky SEO practice. So, it’s better to use ethical, long-term white hat link-building strategies to build backlinks and improve your search engine rankings.
Focus on creating high-quality content
One of the most sustainable ways to earn backlinks is to create content that people genuinely want to link to.
High-quality content provides value. It can be a blog post, infographic, case study, or research report. Does your content answer users’ search queries and keep them from having to search high and low for those answers? If so, chances are, it’ll naturally attract links from other websites.
In a 2021 survey, 55% of respondents found that improving their content quality helped make the content strategy more successful.
Other characteristics of high-quality content are:
- Depth: Content should be thorough and have comprehensive research behind it.
- Relevance: The best content addresses the needs of the target audience. Align it with trending topics in your industry or answer common questions.
- Engagement: Use engaging formats like infographics, videos, podcasts, and interactive elements. These formats grab attention. They’re also highly shareable and linkable.
- Originality: If your content adds something new, it becomes a valuable resource in its own right. This could be fresh data, an innovative approach, or an expert option. As a result, you can increase your chances of earning organic backlinks.
Use guest blogging to gain authority and exposure
Guest blogging can help you gain exposure and high-quality backlinks.
You can contribute an article to another blog or website in exchange for a backlink to your own site. Target authoritative websites within your niche that share a similar audience.
In your guest posts, include actionable insights, in-depth research, and expert-level commentary. – This approach can increase the likelihood that people will visit your website.
Make sure to follow the site’s guidelines. Each website you pitch will have its own set of editorial standards.
Follow those closely to increase the chances of the site publishing your content.
Utilize social media
Many often overlook social media as a link-building tool, probably because the content you share there doesn’t live on your own site.
And yes, it’s true that social media links themselves are typically no-follow (meaning they don’t directly influence rankings). However, they can help you increase the visibility of your site by linking it to your bio or within your social media posts.
This increased visibility can lead to organic backlinks.
Best practices for using social media in your link-building strategy:
- Share your content across all relevant platforms.
- Engage with influencers and thought leaders.
- Join relevant groups in your industry.
- Make it easy for your audience to share your blog posts by using social sharing buttons.
Engage in public relations
Use digital PR to build backlinks, enhance brand credibility, and drive organic traffic.
Public relations outreach involves getting industry publications, online media, and high-authority websites to feature your business.
To execute a strong digital PR strategy, you can:
- Create newsworthy content.
- Reach out to journalists and bloggers.
- Respond to media requests from services like HARO.
Build resource pages and expert roundups
Resource pages and expert roundups help position your content as a valuable reference and attract backlinks from other industry websites.
For example, if you run a marketing blog., you could create a resource page that compiles the best tools for social media automation.
Or, you could create a blog post that features expert opinions on the future of digital marketing. When these experts share your roundup with their networks, you can expect organic backlinks.
Participate in industry forums and communities
Industry forums and online communities are highly effective methods of building backlinks. They can help you establish authority and drive traffic to your website.
Some tips for participating in forums:
- Actively participate in discussions.
- Be helpful, not promotional.
- Provide resources.
Audit and disavow harmful links
Over time, your website might accumulate harmful or low-quality backlinks. This could happen through previous link-building efforts or naturally.
Regularly audit your backlink profile to identify and remove any potentially harmful links that could be dragging down your SEO performance.
Use backlink auditing tools like Ahrefs, SEMrush, or Google Search Console. Did you find any backlinks that you believe are harming your site’s SEO? Use Google’s Disavow Tool to signal that you don’t want these links to count toward your site’s ranking.
The final verdict on Google farm links
People go to Google (or other search engines) to find quick, helpful information.
So, no one wants to visit a site that doesn’t serve a purpose other than to receive low-quality backlinks to rank in the SERPs. And Google doesn’t want those sites dominating its SERPs either.
Avoid spammy link-building practices like Google farm links. Instead, use more ethical strategies focusing on people, not search engines. That way, you’re more likely to attract backlinks organically.
Need help with ethical link building strategies? Let uSERP do the heavy lifting for you. We’ve helped over 450 clients earn DR 70 links and turn SEO into a main growth channel. Book an intro call today.