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Google on Reported Correlation of Bad Links and 50% Traffic Loss

Google's John Mueller comments on webmaster question about bad links shown in search console and a drop in traffic.

Google on Reported Correlation of Bad Links and 50% Traffic Loss

A publisher told Google’s John Mueller that Google Search Console (GSC) reported over five hundred backlinks from two domains. The publisher reported that the backlinks correlated with a 50% traffic drop.

Google’s John Mueller commented on the correlation between referral links and a drop in traffic.

The publisher related that GSC showed backlinks from two domains  to every page of their site.

When visiting those pages the publisher saw that they were empty, there was no content on those page.

They stated that the appearance of those referring links correlated to a 50% drop in traffic.

This is what the publisher asked:

Over the past few weeks I’ve noticed a steadily increasing number of backlinks in search console from two domains to my website from these two domains.

Every single page on my website is linked about two to three times, accumulating more than 500 backlinks over the past four to eight weeks.

Looking at the originating URLs in search console I saw that these originating URLs from two domains are empty pages.

The home page on these two domains is simply an empty page.

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The publisher says the appearance of the links coincides with a drop in traffic:

My discovery of this issue correlates with a 50% drop in traffic. These backlinks don’t show up in other SEO tools, only in search console.

The publisher makes a reference to these links as “referring pages.”

But they’re probably referring to the search console backlink tool:

As these originating URLs are empty pages, do you have any idea why they would show up in search console as referring pages?

The publisher then asked if they should disavow:

And is this a scenario where the disavow tool makes sense or does Google detect them as unnatural and will ignore them as a ranking signal?

Google’s John Mueller commented on the mystery of the “empty” pages and what those might be:

“It’s really hard to say what you’re seeing here. It’s certainly possible there are pages out there that show an empty page to users and then they show a full page to Googlebot.”

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That is a reference to a page that is showing one page to Google and another page to everyone else. This practice is called cloaking.

Mueller is explaining that the possibility that the page might be cloaking. This is an explanation of what the publisher might be seeing and not addressing the second issue of the rankings.

Mueller goes on to dismiss the referral pages as technical mistakes rather than a malicious attempt to sabotage the publisher’s rankings.

He said:

“From that point of view, I would just ignore those pages.”

He then suggested inspecting the pages with Google’s Mobile Friendly test to see what the page looks like when GoogleBot sees them. That’s a test for cloaking, to see if a page is showing one page to Google and another page to non-Googlebot visitors.

Mueller then commented on the correlation between the rogue backlinks and the 50% drop in traffic:

“I don’t think this is something that you need to disavow.

It probably looks weird in the links report but I really wouldn’t worry about this.

With regards to the drop in traffic that you’re seeing, from my point of view that would probably be unrelated to these links.

There’s no real situation… where I could imagine that essentially empty pages would be causing an issue with regards to links.

So I would just ignore that.

If you decide to put them in the disavow file anyway… just keep in mind that this would not affect how we show the data in search console. So the links report would continue to show those.

I don’t think there’s any reason to use a disavow file in this particular case. So I would just leave them be.”

Related: How to Analyze the Cause of a Ranking Crash

What Did the Publisher See?

What the publisher saw is an old and common phenomenon called referral spam. The original reason for referral spam was that in the early 2000’s certain free analytics programs published lists of referrers in the form of links.

That created the opportunity for spamming a site with fake referrals from the spam site to another site in order to create a link from the public analytics page.

This analytics page was not linked from any other page of a site. It simply existed at an automatically generated URL.

Most sites no longer have those analytics pages. But the practice continues, perhaps in the hopes that if enough publishers click on the links that Google will see it as a form of popularity that would help their rankings.

What the publisher in this hangout probably was looking at was a manufactured referral.

The referrer was not real. Even the link did not exist. This is typically the case in referrer spam.

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Related: How to Identify a Possible Negative SEO Campaign

Do Random Strange Backlinks Hurt Rankings?

In twenty years of creating websites, I have never published a site that did not attract strange links, including what’s known as referrer spam.

Phantom links to my sites that show up in backlink tools have had no effect on my rankings.

The reason why the publisher’s site lost fifty percent of their rankings is probably due to something else.

The local search algorithm has been in flux since April and Google announced a broad core algorithm update at the beginning of May.

Watch the Google Webmaster Hangout:

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Roger Montti

Roger Montti is a search marketer with 20 years experience. He provides site audits, phone consultations and content and link ... [Read full bio]

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