Are broken links quietly sabotaging your search engine rankings? Google uses broken links as a quality signal, and you probably have more of them than you think. In this transcript, Mark shares findings from the Rankings Institute course on how broken links hurt your SEO, tools to find them, and a listener Q&A on choosing between affiliate offers and AdSense.
What You'll Learn in This Episode
- Why Google uses broken links as a negative quality signal for your site
- Three tools for finding and fixing broken links on any website
- How user-generated content like comments creates hidden broken links
- When to use affiliate marketing versus Google AdSense on your sites
- How to spot niche opportunities in everyday life, using e-cigarettes as an example
Episode Summary
Mark kicks off with a lesson about spotting niche opportunities everywhere. While walking through a mall in Asia, he noticed e-cigarette kiosks and immediately recognized the affiliate marketing potential: expensive initial product, recurring refill purchases, hundreds of keywords with commercial intent, and strong search volume. The takeaway is that you can go from mall observation to a live website with content ordered in a single evening. Getting started is most of the battle.
The main topic comes from module three of the Rankings Institute: broken links are hurting your site more than you realize. Google cares about user experience because their business depends on users trusting search results. When Google recommends your site and a visitor clicks a broken link, that reflects poorly on Google. So broken links become a negative quality signal in the Panda algorithm and related quality scoring systems.
Mark ran broken link checks on his own site and found over 400 broken links. The causes were surprising. One batch resulted from a server migration where switching from Apache to Nginx introduced an error that broke any URL containing “PHP.” This silently killed affiliate links for products he had promoted for years. The largest batch came from user comments, some years old, where commenters had left links to sites that no longer existed.
Three tools for finding broken links: Google Webmaster Tools reports broken links found during crawls. The Broken Link Checker WordPress plugin runs in the background and identifies breaks as they happen. An external tool like Integrity for Mac provides a comprehensive site-wide scan independent of Google's crawl coverage.
In the listener Q&A segment, Paul asks whether to use affiliate marketing or AdSense for a niche with high cost-per-click. Mark's framework: use affiliate marketing when your site solves a problem with a specific product, because direct affiliate commissions usually exceed AdSense earnings. Use AdSense for purely informational content where there is no natural product to promote. Do not mix them on the same site, as it dilutes your conversion potential. The exception is if you are scaling to 100-plus sites, where AdSense simplicity makes it practical.
Key Takeaways
- Broken links are a negative quality signal that can push your site down in Google rankings
- Check three sources for broken links: Google Webmaster Tools, a WordPress plugin, and an external crawler
- User-generated content in comments is often the biggest source of broken links
- Server migrations can silently break links; always test URLs after any infrastructure change
- Use affiliate marketing for product-focused sites and AdSense for informational content; do not mix them
- Niche ideas are everywhere; the key is to do 30 minutes of keyword research and make a decision
What's Changed Since This Episode
Mark recorded this in early 2014. Broken link management remains important, but the tools and context have evolved.
Google Search Console replaced Google Webmaster Tools. The rebranded tool provides more detailed crawl error reporting, including a dedicated section for page indexing issues that covers broken internal links and 404 errors.
The Broken Link Checker plugin has performance concerns on large sites. While still popular, it can cause database bloat and server load issues. Many site owners now prefer external tools like Ahrefs, Screaming Frog, or Sitebulb for comprehensive link auditing.
AdSense versus affiliate marketing is no longer the primary monetization debate. By 2026, diversified revenue including display ads through Mediavine or Raptive, affiliate marketing, digital products, and sponsored content has become the standard approach. The idea of choosing only one monetization method per site is less common, though the principle of not diluting conversion paths remains valid.
The e-cigarette niche Mark mentioned has gone through dramatic regulatory changes. Vaping regulations, advertising restrictions, and platform policies have made this a much more difficult affiliate niche than it appeared in 2014.
Resources Mentioned
- Google Search Console — Monitor crawl errors and broken links
- Broken Link Checker — WordPress plugin for ongoing monitoring
- Integrity — External link checking tool for Mac
- LNIM Podcast
Related Episodes
If you found this episode helpful, you might also enjoy:
- LNIM073 Show Notes — Are Broken Links Killing Your SEO?
- LNIM074 — The Impact of Duplicate Content on SEO
- LNIM072 — Content Is King for SEO
Listen and Subscribe
Listen to Late Night Internet Marketing on Apple Podcasts or subscribe at latenightim.com/internet-marketing-podcast/. Have a question for Mark? Call the digital recorder at 214-444-8655 or drop a comment below.
