What Still Works in SEO After 30 Years of Algorithm Changes with White-Label SEO Expert Mark Herre

When rankings go up, but trust does not, what is missing from the SEO equation?

As AI reshapes search behavior, many agencies worry SEO is becoming harder to explain and defend. Yet the fundamentals that keep clients paying have stayed the same for decades.

CEO and Founder Mark Herre of SEOgame notes that while tools and platforms evolve, client expectations remain the same. Business owners still measure success by visibility, phone calls, and web traffic. If those numbers move in the right direction, SEO remains indispensable.

With over 30 years in SEO and long-term agency partnerships dating back to the early 2000s, Mark shares what agencies need to focus on to win lifetime clients in 2026 and beyond.

But before we proceed, don’t forget that this episode is brought to you by Video Case Story, collecting, crafting, and delivering customer stories

SEO Is Changing, but Agency Retention Still Comes Down to Performance

While tools and platforms evolve, client expectations remain the same. Business owners still measure success by visibility, phone calls, and web traffic. If those numbers move in the right direction, SEO remains indispensable.

Why Local SEO Still Drives the Biggest Agency Opportunities

Mark works closely with agencies serving attorneys, dentists, orthodontists, med spas, and other brick-and-mortar businesses. These industries share one thing in common: high-value leads.

For these clients, local visibility matters more than anything else. Being found at the moment someone searches for “personal injury lawyer” or “dental implants” directly impacts revenue. That’s why agencies that can deliver local results quickly are still able to command retainers and build long-term relationships.

The Three Pillars That Still Drive Rankings

Despite constant algorithm updates, Mark outlines a structure that continues to work:

  1. Google Business Profile – Optimization, consistency, and ongoing updates are essential for staying competitive in the local three-pack.
  2. Off-page authority – Citations and link building remain critical for expanding visibility in competitive markets.
  3. On-page content – Pages must be developed intentionally to support keyword expansion and real user engagement.

Mark emphasizes that agencies lose traction when any one of these elements is neglected.

The Emerging Role of AI in SEO Performance

While the three-pillar approach remains foundational, Mark points out that AI search is becoming an additional layer that agencies must account for.

Answer engines and AI-driven search tools are already converting better than traditional search in many cases. Agencies that track this traffic and integrate it into their reporting will be better positioned as search behavior continues to shift.

Ignoring AI does not stop its impact. Agencies that adapt early gain an advantage.

Why Performance Reporting Keeps Clients Longer Than Promises

One of the biggest mistakes agencies make is over-explaining tactics instead of showing results.

Mark explains that clients rarely care about SEO checklists. They care about phone calls, direction requests, website visits, and steady growth over time. When reporting shows a flat line, trust erodes quickly. When performance trends upward consistently, retention follows.

This is why agencies that can retell the performance story month after month keep clients longer than those that rely on promises or short-term wins.

How Agencies Build Lifetime Clients

Mark’s agency relationships often last decades. Some partners he began working with in the early 2000s are still active today.

The reason is simple: agencies succeed when their vendors help them succeed. Affordable, consistent performance makes it easier for agencies to price services reasonably and keep clients engaged long-term.

SEO, when done with a focus on outcomes rather than tactics, remains one of the strongest retention tools agencies have.

What Has Not Changed in SEO

SEO may look different in 2026 than it did ten years ago, but the core objective has not changed. Agencies that help clients get found, generate calls, and see measurable growth will continue to win. Change does not eliminate opportunity. It clarifies who is focused on performance and who is not.

Watch the full episode now and make sure to leave any questions or comments you have about the episode.