Technology

5 WordPress Problems Quietly Hurting Small Business Revenue

The Platform That Powers the Web — and Its Hidden Costs

WordPress is the most widely used content management system in the world. It powers a significant share of all websites globally, and for years it was the undisputed default for small business web presence.

But market leadership and technical fitness for purpose are different things.

The data that has accumulated over the past two years tells a consistent story: WordPress sites underperform structurally on the metrics that directly affect search visibility and user experience. For small businesses competing on local search and first impressions, those structural gaps have a direct revenue cost.

This is not a criticism of WordPress as a platform for all use cases. It is a factual assessment of where it creates problems for small local businesses specifically.

Problem 1: Worst Core Web Vitals Pass Rate of Any Major CMS

Google’s Core Web Vitals measure loading speed (LCP), responsiveness (INP), and visual stability (CLS). They are confirmed ranking signals. Failing them means ranking below competitors who pass.

HTTP Archive’s 2025 Web Almanac tracked Core Web Vitals performance across every major CMS platform by mobile pass rate:

CMSMobile Core Web Vitals Pass Rate
Duda85%
TYPO379%
Wix74%
Drupal63%
Joomla57%
WordPress46%

WordPress sits last — 39 percentage points behind the top performer. For every two WordPress sites, roughly one fails Core Web Vitals on mobile. The root cause is architectural: WordPress executes PHP and queries a database on every page request, even for static content that never changes.

Problem 2: 11,334 New Security Vulnerabilities in 2025

Patchstack’s State of WordPress Security in 2026 report — covering security events throughout 2025 — found 11,334 new vulnerabilities in the WordPress ecosystem, a 42% increase over the previous year.

The breakdown is instructive:

  • 96% of vulnerabilities originated in third-party plugins and themes — not WordPress core
  • 43% of those vulnerabilities were exploitable without authentication, meaning no login required to execute an attack
  • 97% of WordPress attacks are automated, meaning malicious bots continuously probe known plugin vulnerabilities at scale

For a small business website, this creates a maintenance reality that most owners are not prepared for: every plugin installed is a potential attack surface that requires monitoring, updating, and security auditing.

Problem 3: Plugin Dependency Creates a Maintenance Treadmill

A default WordPress installation requires plugins to add basic functionality: SEO, contact forms, caching, security scanning, backup management, image optimisation, spam filtering. A typical small business WordPress site runs 20–40 active plugins.

Each plugin:

  • Adds JavaScript and CSS to every page load (degrading Core Web Vitals)
  • Requires individual version updates (each update carries compatibility risk)
  • Introduces its own vulnerability surface (see Problem 2)
  • Can conflict with other plugins after any update

Plugin conflicts are the leading cause of WordPress site downtime and unexpected breakage. Every update to any single plugin — or to WordPress core — can cascade into layout problems, broken functionality, or a white screen error.

Problem 4: Ongoing Maintenance Costs That Are Never Disclosed Upfront

The advertised cost of a WordPress site is usually the build cost. The real ongoing cost is rarely discussed:

  • WordPress core, theme, and all plugins require regular updates — typically monthly
  • Hosting that can handle WordPress’s server-side processing costs more than static hosting
  • Security plugins, backup solutions, and uptime monitoring add to the monthly overhead
  • When something breaks — and with 40 plugins in production, something eventually will — debugging WordPress conflicts requires developer time

For businesses that just need a fast, secure, and stable presence, this ongoing overhead delivers no additional revenue. It is maintenance cost without competitive return.

Problem 5: Market Share Decline Signals a Shifting Ecosystem

WordPress’s market share among websites has been declining since 2022, according to data tracked by W3Techs and reported by WP Tavern. The WordPress community itself has attributed this to performance issues, increased complexity, and the unfinished full-site editing project.

This matters for long-term investment decisions. A platform with declining developer momentum accumulates technical debt faster and sees slower resolution of structural issues like performance and security.

Modern static-first architectures — built on frameworks like Astro with edge delivery via Cloudflare — were designed from the ground up to solve the problems WordPress inherited from a different era of the web: dynamic rendering, plugin dependency, and centralised hosting.

For a direct comparison of our approach versus WordPress, read Why We Left WordPress for Astro and Our Tech Stack vs WordPress: The Numbers Don’t Lie. For the security baseline we hold ourselves to, see Why Security is Non-Negotiable.

References

  1. Patchstack: State of WordPress Security in 2026 — 2025 Vulnerability Data
  2. Patchstack: State of WordPress Security in 2025
  3. HTTP Archive: 2025 Web Almanac — CMS Chapter
  4. WP Tavern: WordPress Community Attributes Declining Market Share to Performance Issues

Common Questions About WordPress for Small Businesses

Is WordPress still a good choice for a new small business website in 2026?

It depends on what you are optimising for. WordPress offers maximum flexibility for complex, content-heavy sites. But for small local businesses that need speed, security, and low maintenance overhead, the architectural trade-offs of WordPress — plugin bloat, ongoing updates, poor Core Web Vitals pass rates — often create more problems than the platform solves. Modern static-first alternatives now match WordPress in features while eliminating most of its liabilities.

What is the main reason WordPress sites are slow?

WordPress generates pages dynamically: every visitor request triggers a database query and PHP execution before a page is served. Plugins compound this by injecting additional JavaScript and CSS that must load on every page. Unlike static sites that serve pre-built HTML files from edge servers, WordPress performs server-side computation on every single page view.

Can a WordPress site pass Core Web Vitals?

Yes, with significant optimisation effort — caching plugins, image optimisation, JavaScript deferral, premium hosting, and a CDN. But HTTP Archive's 2025 data shows only 46% of WordPress sites pass on mobile, even with all those tools available. The problem is architectural, not just configurational.