Four SEO Bugs. A Third of Their Traffic. Gone.

There's a particular kind of horror story in web development that doesn't involve data breaches or downed servers. It's quieter than that. You launch a new site, the team celebrates, someone orders lunch. Then you open your search console two weeks later and watch your traffic graph do something that traffic graphs are not supposed to do.

That's what happened to a specialty e-commerce retailer.

The Migration

The company is a specialty manufacturer in the clothing and textiles industry. They had a site that was doing well in organic search. They rebuilt it. This is a completely normal thing to do. Sites get rebuilt. Design gets stale. Platforms get migrated.

The new site launched. And then, according to the published case study, their sessions dropped by 33%. Their users dropped by 40%. Not gradually, over months of slow decline. Sharply. The kind of drop that makes your stomach drop with it when you first see it.

The Investigation

A technical SEO audit turned up four bugs. Four. That's it. Not four hundred issues in a sprawling mess of a codebase. Four specific, fixable problems that were between their rebuilt site and the organic traffic it should have been getting.

I want to be specific here because the vague "technical SEO issues" framing doesn't really convey what we're talking about. These bugs were things like: redirect chains from old URLs not being resolved correctly, canonical tags pointing to the wrong versions of pages, structured data that broke during the migration, and internal linking that was disrupted when page paths changed. The kinds of things that are genuinely easy to miss in a migration because you're focused on the visual output and the content, not on whether search engines can still find and index everything they used to.

The bugs were fixed. All four of them.

What Came Next

After the fixes were implemented, the reported results were:

• Organic revenue increased by 118%
• Organic traffic increased by 18%

The traffic recovery went past the pre-migration baseline. Fixing the bugs didn't just restore what was lost. It unlocked performance that the old site hadn't achieved. That's the compound effect of getting the technical foundations right: you stop bleeding traffic you had, and you start earning traffic you were previously missing.

The Broken Links Story

While we're talking about technical SEO bugs that eat traffic quietly in the background, I want to tell you about a retailer who reportedly discovered 2,000 broken internal links on their site.

Two thousand. I've always liked the specificity of that number. Not "some broken links" or "a lot of broken links." Two thousand individual links on their own site, pointing to pages that no longer existed or had moved without redirects. Each one was a dead end for a user who clicked it and a signal to search engines that the site's internal structure was unreliable.

The reported result was a 23% drop in organic traffic that they traced back to the broken link problem once they actually looked for it. After fixing the links and implementing proper redirects, the traffic came back.

The maddening part is that broken internal links are completely findable. A crawler will surface every single one. You don't need to manually click around your site hoping to stumble on them. You run a scan, you get a list, you fix the list. It's not glamorous work, but it directly protects and grows organic traffic.

The Pattern Here

Both of these stories follow the same arc. Site exists and performs well. Something changes (a migration, accumulated link rot over time). Technical problems accumulate invisibly. Traffic drops. Someone does an audit. A finite list of specific, fixable bugs is found. Bugs get fixed. Traffic recovers and often exceeds the previous baseline.

The "often exceeds" part is worth sitting with. When you fix the structural problems that were holding a site back, you frequently discover that the site's actual content and domain authority would have earned more traffic all along if the technical issues hadn't been in the way. The ceiling was always higher. The bugs were just preventing the site from reaching it.

The thing that makes these stories feel tragic rather than just inconvenient is that the problems are so findable. A technical SEO audit isn't a long, expensive research project. It's running a crawler over your site and reading what comes back. The four bugs that cost this retailer a third of their traffic would have shown up in any automated scan.

If you've migrated your site recently, or if you've never actually run a full technical audit, SCOUTb2 can crawl your pages and help identify broken links, redirect issues, missing canonical tags, and structural SEO problems. The Pro plan scans up to 10,000 pages to help surface issues that may be hiding in deeper parts of your site. Run it. Find your bugs before they find you.

Disclaimer: This article is for informational purposes only and does not constitute legal, professional, or compliance advice. SCOUTb2 is an automated scanning tool that helps identify common issues but does not guarantee full compliance with any standard or regulation.