SEO Results: Why Most Agencies Measure the Wrong Things

SEO results are only meaningful when they’re measured against something that matters. Rankings, traffic, and impressions are the metrics most agencies lead with, and they’re also the metrics most easily decoupled from revenue. If you want SEO to actually move the business, you need a different framework for what counts as a result.

The problem isn’t that SEO doesn’t work. It’s that most organisations define success in ways that make it almost impossible to know whether it does.

Why “Results” Is the Most Abused Word in SEO

I’ve sat in more agency review meetings than I can count, on both sides of the table. And the pattern is almost always the same. The agency presents a slide with traffic trending up and to the right. The client nods. Everyone agrees it’s going well. Nobody asks whether the business is actually growing because of it.

This isn’t a cynical observation. It’s a structural problem. SEO agencies are typically measured on what they can directly influence: rankings, crawlability, backlink volume, keyword coverage. Revenue is influenced by dozens of variables they don’t control, so it quietly gets excluded from the success criteria. Over time, the reporting drifts further from business outcomes and closer to channel activity.

The result is a measurement system optimised for renewal conversations, not commercial performance.

If you want to build an SEO programme that produces real results, the first thing to fix is how you define the word. This article is part of a broader look at complete SEO strategy, covering everything from technical foundations to measurement frameworks that actually connect to revenue.

The Benchmarking Problem That Nobody Talks About

When I was running an agency, one of the disciplines I pushed hardest was market-relative benchmarking. It sounds obvious. It almost never happens.

Here’s the version that plays out constantly in SEO. A client’s organic traffic grows 18% year on year. The agency reports this as a strong result. The client is broadly satisfied. What nobody mentions is that the total addressable search volume in that category grew by 35% over the same period. The client didn’t grow their share of organic search. They lost it. They just grew in absolute terms, which looked like progress.

This is the same logic problem you see in any performance channel. A 10% growth number sounds good until the market context tells you it represents significant share loss. The number isn’t wrong. The frame is wrong.

Good SEO measurement needs a denominator. That denominator is either the total search demand in your category, or the organic performance of your closest competitors, or both. Without it, you’re measuring activity, not competitive performance.

Tools like Semrush, Ahrefs, and Sistrix can give you reasonable proxies for competitor visibility. They’re not perfect, but they’re enough to build a market-relative view of whether your SEO programme is actually gaining ground or just keeping pace with a rising tide.

What Genuine SEO Results Actually Look Like

Genuine SEO results sit at the intersection of three things: increased organic visibility for commercially relevant queries, traffic that converts at a meaningful rate, and a measurable contribution to pipeline or revenue.

Each of those three elements is worth unpacking, because most SEO programmes deliver on one or two of them and quietly ignore the third.

Organic visibility for commercially relevant queries. Not all traffic is equal, and not all keyword rankings translate into business value. Ranking for informational queries at the top of the funnel can build brand awareness and topical authority, but if that’s where your SEO investment is concentrated, you need to be honest about the commercial return timeline. The queries closest to purchase intent, comparison terms, category terms, brand-adjacent terms, tend to be more competitive and harder to rank for, but they’re where organic traffic converts. If your ranking improvements are concentrated in low-intent, high-volume terms, your results will look impressive and deliver relatively little.

Traffic that converts. Conversion rate from organic traffic is one of the most underreported metrics in SEO. Agencies track sessions. They track rankings. They track click-through rates. They rarely hold themselves accountable to what happens after the click. I’ve seen programmes that tripled organic traffic while conversion rates from that traffic fell sharply, because the content driving the growth was attracting entirely the wrong audience. The net commercial effect was close to zero, but the traffic chart looked great.

Contribution to pipeline. This is the hardest metric to attribute cleanly, and that difficulty is sometimes used as an excuse not to try. But if you have a CRM, if you’re tracking lead sources, and if your analytics setup is even moderately strong, you can build a reasonable picture of how much pipeline originated from organic search. It won’t be perfect. Attribution never is. But honest approximation is more useful than precise measurement of the wrong thing.

The Testing Gap in Most SEO Programmes

One of the things that separates serious SEO programmes from average ones is a commitment to structured testing. Most SEO work is implemented and then evaluated retrospectively, which makes it almost impossible to isolate what actually drove any change in performance.

Moz has published useful thinking on SEO testing that goes beyond title tag optimisation, covering how to design experiments that produce genuinely useful signal rather than post-hoc rationalisation. The core challenge is that SEO has long feedback loops and a lot of confounding variables. Google’s algorithm changes. Competitors change their approach. Search behaviour shifts. Attributing a ranking change to a specific intervention requires discipline that most programmes don’t build in from the start.

The answer isn’t to stop testing. It’s to test more rigorously. That means documenting what you changed, when you changed it, and what you expected to happen, before you see the results. It means using control groups where you can, comparing pages or sections of the site that received the intervention against those that didn’t. And it means being willing to call a test inconclusive when the signal isn’t clean enough to draw a conclusion.

The broader discipline of experimentation, which Optimizely covers well in their experimentation buyer’s guide, applies directly to SEO. The instinct to ship changes and see what happens is understandable, but it produces a body of work that’s impossible to learn from systematically.

Where AI Fits Into SEO Results, and Where It Doesn’t

The conversation about AI and SEO has become almost entirely unmoored from commercial reality. I’ve judged award entries and read case studies where the AI angle is front and centre, and the actual business result, when you dig into it, is marginal. The AI did something impressive. The business moved slightly. These are presented as equivalent.

They’re not.

AI tools genuinely accelerate certain parts of SEO work. Content brief generation, keyword clustering, internal link auditing, structured data implementation at scale, these are areas where AI tools reduce the time cost of good practice. That’s real. But the outputs still need human editorial judgement. The strategy still needs to be grounded in a commercial understanding of what the business is trying to achieve. And the results still need to be evaluated against the same framework as everything else: did this move the business?

Moz’s 2025 SEO trends piece includes contributions from practitioners with genuinely varied views on where AI fits. What’s notable is that the most grounded contributors consistently bring the conversation back to search intent, content quality, and user experience rather than to the technology itself. The tool is not the result.

The risk with AI in SEO is the same risk that exists with any efficiency gain: you can produce more of something faster without producing more of the right thing. If your content strategy is poorly defined, AI lets you execute a poor strategy at scale. The results will reflect that.

The Content Volume Trap

There’s a version of SEO that treats content volume as a proxy for content quality, and it produces a very specific kind of result: lots of low-performing pages, modest aggregate traffic, and a site that’s technically large but commercially thin.

I’ve seen this play out at scale. An e-commerce client we worked with had invested heavily in programmatic content generation, producing thousands of category and subcategory pages. Traffic was substantial. Revenue from organic was not. When we analysed the conversion data by page type, the programmatic pages were converting at a fraction of the rate of the hand-crafted category pages. The volume had created an illusion of coverage without creating genuine commercial value.

The fix wasn’t to produce more content. It was to be more selective about which pages warranted investment, and to improve the quality of the pages that were already driving meaningful traffic. That’s a less exciting story than “we scaled content production by 10x,” but it’s the one that moved the revenue number.

Copyblogger’s piece on linkbait and content that earns links touches on a related tension: content designed to attract attention is not always content designed to convert. Both have a role in a well-constructed SEO programme, but they need to be managed separately, with different success criteria and different measurement approaches.

How to Build a Results Framework That Holds Up

A credible SEO results framework has four layers. Most programmes operate on one or two of them.

Layer one: technical health. This is the foundation. Crawlability, indexation, Core Web Vitals, structured data, site architecture. These don’t drive results directly, but poor technical health prevents everything else from working. Measure it. Fix it. Then stop reporting it as a primary success metric once it’s in good shape.

Layer two: visibility and share of search. Track ranking positions for your priority keyword set, but always in the context of competitor visibility and total search demand. A visibility score that’s rising while competitor visibility is rising faster is not a result. It’s a warning sign.

Layer three: traffic quality. Sessions, yes, but also engagement rate, pages per session, time on site, and, most importantly, conversion rate from organic traffic. Segment this by content type and funnel stage. Informational content will convert differently from commercial content. That’s expected. What’s not acceptable is not knowing the difference.

Layer four: commercial contribution. Pipeline from organic, revenue influenced by organic, cost per acquisition from organic compared to paid channels. This is where SEO earns its budget or loses it. If you can’t connect your SEO programme to this layer, you’re not measuring results. You’re measuring activity.

Building this framework requires buy-in from more than the SEO team. It requires analytics infrastructure, CRM integration, and alignment with the commercial leadership on what “good” looks like. That’s harder than producing a monthly traffic report. It’s also the only version of measurement that gives you genuine confidence in whether SEO is working.

The Agency Relationship and the Results Conversation

If you’re working with an external SEO agency, the results framework needs to be agreed before the work starts, not retrofitted once you’re six months in and wondering whether it’s working.

The agencies that resist connecting their work to commercial outcomes are, in my experience, the ones most likely to be optimising for their own convenience rather than your business. That’s not always cynical. Sometimes it’s a capability gap. Sometimes it’s a contractual structure that didn’t include the right success criteria. But whatever the cause, the effect is the same: a programme that produces activity and reports it as results.

When I was growing an agency from 20 people to over 100, one of the things I pushed consistently was that client retention should be earned through commercial outcomes, not through relationship management. The clients who stayed longest were the ones who could see a clear line between our work and their revenue. The clients who churned were usually the ones where that line had never been drawn clearly enough at the start.

The same principle applies on the client side. If you want your SEO agency to deliver results, define what results mean before you sign the contract. Include commercial metrics in the reporting cadence from day one. And be willing to have the uncomfortable conversation when the traffic chart is going up but the revenue isn’t following.

There’s more on building the kind of SEO strategy that connects to these commercial outcomes in the complete SEO strategy hub, which covers the full range from technical foundations through to measurement and channel integration.

Consistency as a Results Driver

One of the least glamorous truths about SEO is that consistency compounds. The programmes that produce strong results over a two or three year horizon are almost always the ones that maintained a steady cadence of content production, link acquisition, and technical maintenance, rather than the ones that ran intensive campaigns followed by periods of neglect.

This is harder to sell than it sounds. Clients want to see results quickly. Agencies want to show impressive short-term numbers. The pressure to do something dramatic, to launch a big campaign or chase a trending topic, often overrides the quieter discipline of doing the fundamentals consistently.

Buffer’s work on building consistent content habits is primarily aimed at social media, but the underlying principle applies directly to SEO content programmes. Consistency reduces the variance in your results and builds the kind of topical authority that search engines reward over time. An irregular publishing schedule, even one that produces high-quality content, tends to underperform a consistent schedule of similar quality.

The compounding effect of consistency is also one of the strongest arguments for SEO as a channel. Paid search stops the moment you stop paying. Organic search continues to return value from content published months or years ago, provided that content has been maintained and the site’s authority has continued to grow. That’s a genuine structural advantage, but it only materialises if the programme is run with enough discipline to sustain it.

What to Do When Results Plateau

Every SEO programme hits a plateau eventually. Rankings stabilise. Traffic growth flattens. The incremental gains from optimising existing content start to diminish. This is normal. It’s also the point where a lot of programmes make bad decisions.

The tempting response is to chase volume. Produce more content, target more keywords, build more links. Sometimes that’s the right call. More often, the plateau is a signal that the programme needs to go deeper rather than broader. The highest-value pages aren’t converting as well as they should. The content covering your core commercial terms isn’t as authoritative as it needs to be. The technical foundations have drifted and need attention.

I’ve seen programmes break through plateaus by doing less, not more. By consolidating thin content into stronger pages, by improving the conversion experience on pages that were already ranking well, by fixing technical issues that were quietly suppressing performance. The results from that kind of work tend to be more durable than the results from adding volume to a programme that hasn’t addressed its underlying weaknesses.

The diagnostic question when you hit a plateau is: are we limited by visibility, by traffic quality, or by conversion? Each of those has a different solution. Conflating them, or defaulting to “we need more content” without answering the question first, is how programmes spend budget without moving the needle.

About the Author

Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.

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