Is 43% of the Internet Wrong? The Truth About WordPress Market Share

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You still hear it in sales meetings: WordPress is “just a blogging tool,” or “cheap software for small businesses.” Here is the fact that ends the argument. 43.5% of all websites on the internet run on WordPress. Either nearly half the web is making the same mistake, or the criticism is wrong. Let me walk through the numbers, because I have had this exact conversation with clients for twenty years and the data has only moved one direction.

The Numbers Don’t Lie

According to W3Techs, WordPress powers 43.5% of all websites worldwide. That’s not 43% of blogs. That’s 43% of everything on the internet.

Sit with that number for a second, because no other platform is within reach of it. Nearly half of the web runs on the same content management system, and it is the one anyone can download for free.

“WordPress has grown from a simple blogging tool to the world’s most popular content management system.”

— WordPress.com Official Blog

What About the CMS Market?

When we look at websites that use a content management system (CMS), WordPress dominates even more. It holds 64.3% of the entire CMS market. The second place? Shopify with just 6.7%. Then Wix with 5.2%.

WordPress has more market share than all other CMS platforms combined.

The “Cheap Software” Myth

Here’s the misconception I spend the most time correcting: WordPress is free, so it must be cheap and low-quality.

Yes, WordPress core is open-source and free. But so is Linux. And Linux runs most of the internet’s servers, including Google, Amazon, and Facebook. Nobody calls the software behind those companies “cheap.”

Free doesn’t mean cheap. Free means freedom.

• Freedom to customize everything
• Freedom to choose your hosting
• Freedom to own your data
• Freedom from vendor lock-in

Enterprise WordPress projects can cost $100,000 or more. The platform is free. The expertise, customization, and infrastructure are not. That is true of every serious tool: the licence is the cheapest line in the budget, and it always was.

Top Websites Trust WordPress

According to BuiltWith data:

• 29.65% of the top 100,000 websites use WordPress
• 25.33% of the top 10,000 websites use WordPress
• 21.75% of the top 1 million websites use WordPress

These are not hobby blogs. These are high-traffic, enterprise-level websites. They have budgets. They have technical teams. They chose WordPress — and unlike a small business owner, they had every resource needed to build something custom instead, and still didn’t.

“42% of large enterprises with 100+ employees use WordPress for their websites or blogs.”

— GrowthScribe WordPress Statistics

But What About the Critics?

Some analysts argue that the “43%” number is inflated. They say many WordPress installations are abandoned or unused. According to Afteractive’s analysis, the real number might be closer to 5-7% of “active” websites.

It is a fair point, and I would not wave it away. But test where it leads. Even at the pessimistic 5-7% of active sites, WordPress is still the most-used CMS on the web by a wide margin. No competitor comes close on either measure. The critique narrows the lead; it does not change who is in front.

And there is a thing the “abandoned sites” argument misses entirely. Those dormant installs exist because WordPress has the lowest barrier to entry of any serious platform. People can experiment. They can learn. They can fail safely and walk away without a subscription chasing them. A high floor of abandoned sites is the visible cost of an ecosystem anyone can enter — and that same low barrier is what feeds the pipeline of people who go on to build the enterprise sites at the top. It is a feature, not a bug.

Enterprise WordPress vs Hobby WordPress

There’s a big difference between a personal blog and an enterprise WordPress site. Let’s be clear about this.

When people criticize WordPress, they often compare hobby sites to enterprise custom solutions. That’s not a fair comparison. It is like judging a construction company by looking at a DIY shed, because both used the same hardware store.

Enterprise WordPress is a different animal. It powers some of the world’s biggest websites. We’ll look at those examples in the next article.

I have watched a dominant platform vanish before

Here is where my age is useful, so let me put it on the table. I built my career through the ’90s and 2000s on the tools that owned their moment — and I have seen what happens when market share is not the same thing as durability. Adobe Flash, at its peak, ran on very nearly every desktop browser on earth. If penetration were the whole story, Flash was untouchable. I wrote ActionScript for a living; I built multi-user games and interactive shows on it and believed, like everyone in the room, that it was the web’s future.

Then it was gone. Adobe ended Flash Player on December 31, 2020, and a technology that had near-total reach became unrunnable almost overnight. The lesson stuck with me: a platform can own the numbers and still be fragile, because Flash was one company’s closed runtime. When that company changed its mind, every project built on it went dark, and there was nothing any of us could do but rebuild.

This is exactly why the WordPress number reads differently to me than the raw percentage suggests. WordPress’s 43.5% is not one company’s runtime that can be switched off. It is open source under the GPL, it runs on infrastructure you control, and the data is portable out the door the day you decide to leave. I have migrated sites off dead platforms and I have migrated them off WordPress; only one of those is a calm afternoon rather than a salvage operation. Market share tells you a platform is popular today. Openness is what tells you it will still be yours in ten years. WordPress has both, and having lived through the alternative, the second one is the one I would not trade.

The Real Question

So, is 43% of the internet wrong?

Are Disney, Sony, Microsoft, BBC, and NASA all making a mistake?

Are they too cheap to build custom software?

Or maybe — just maybe — they know something that the “WordPress is cheap” critics don’t understand.

WordPress is not cheap. It’s smart.

Key Takeaways

1. WordPress powers 43.5% of all websites and 64.3% of the CMS market
2. Nearly 30% of the top 100,000 websites use WordPress
3. 42% of large enterprises use WordPress
4. “Free” means freedom, not low quality
5. Enterprise WordPress is very different from hobby WordPress

Next in this series: “Disney, Sony, NASA… Are They Broke?” — A look at the world’s biggest brands that trust WordPress.

Sources

• W3Techs – WordPress Usage Statistics
• WordPress.com – Market Share Report
• WPBeginner – CMS Market Share Report
• GrowthScribe – WordPress Statistics 2025
• BuiltWith – Technology Usage Statistics
• Afteractive – WordPress Real Market Share Analysis