In 2026, two major technological families compete when it comes to creating websites:
WordPress, the historic CMS — flexible and economical, but aging.
Astro, a modern, ultra-fast framework designed for performance, SEO, and long-term simplicity.
Since 2024, a massive shift has been underway:
SMEs, consultants and B2B companies are progressively migrating to Astro, primarily for performance, security and total cost reasons.
Here’s the complete, clear and decision-oriented comparison.
Disclosure: Numinam builds with Astro for most of its client projects. This
comparison is based on real-world benchmarks and publicly available data. We
acknowledge WordPress strengths where they exist.
WordPress in 2026: benefits and limitations
The benefits:
very low start-up costs,
huge ecosystem of plugins,
great for a simple site on a small budget,
easy to modify without development skills.
But in 2026, WordPress has 6 major problems:
Average or poor performance
Each plugin adds JavaScript, CSS and additional requests.
Result:
sites scoring 60–75 on Lighthouse mobile, rarely above 80.
Impact: lower SEO rankings + lower conversions.
Mandatory and costly maintenance
On average, a WordPress site requires:
core updates,
plugin updates,
theme updates,
security monitoring,
bug fixes related to incompatibilities.
Cost: €100 to €500/month for proper maintenance (as of Q1 2026).
Fragile security
According to Sucuri’s annual report, around 43% of hacked websites in 2025 ran WordPress.
Attack surface:
each plugin = a risk.
Frequent incompatibilities
Plugin A + plugin B = conflict
Updated plugin = broken design
Abandoned plugin = security hole
Limited scalability
The bigger the site gets, the slower and more unstable it becomes.
Actual costs higher than expected
WordPress is free…
but its TCO (Total Cost of Ownership) is often very high:
maintenance,
security,
heavy hosting,
dependency on premium plugins.
Astro in 2026: the modern framework that changes the game
Astro is a framework designed to create ultra-fast websites by generating static or hybrid pages, with a minimum of JavaScript.
Key benefits:
1. Unmatched speed
Astro produces nearly JavaScript-free pages by default.
Result:
Lighthouse scores of 90–100 even on mobile, pages that load in 0.3 to 1 second.
Impact:
+25 to 60% conversions,
better SEO,
better user experience.
2. Native security
No exposed database.
No vulnerable plugins.
No dynamic attack surface.
Astro is virtually impossible to hack.
3. Extremely low maintenance
An Astro site requires:
0 plugin updates,
0 security patch management,
virtually no technical intervention.
Actual cost: €0 to €150/month depending on editorial needs.
4. Compatible with all modern frontends
You can integrate:
React,
Vue,
Svelte,
pure HTML.
Total flexibility.
5. Superior SEO
Speed is now a major ranking criterion.
Astro + structured content = better ranking.
6. Perfect for SMEs, consultants and B2B companies
Astro lets you create showcase or corporate websites that are high-performance, without the burden of an aging CMS.
WordPress vs Astro: full comparison (2026)
Criteria | WordPress | Astro |
|---|---|---|
Lighthouse mobile score | 60–75 (typical) | 90–100 (typical) |
Page load time | 2–5 seconds | 0.3–1 second |
Security | Low to medium (plugins = attack surface) | Very high (no database, no plugins) |
Maintenance cost | €100–500/month | €0–150/month |
Hosting cost | €150–400/year | €20–200/year |
SEO | Medium (depends heavily on plugins) | Excellent (fast by default, clean HTML) |
Scalability | Limited (slows with growth) | Very good (static = constant speed) |
Initial cost | Low (€500–2,000) | Moderate (€3,000–8,000) |
3-year TCO | €6,000–25,000+ | €600–6,000 |
Best for | Small budgets, non-technical editors | Companies seeking performance & ROI |
Pricing data as of April 2026, based on the Belgian market.
What is the real cost (TCO) over 3 years?
WordPress
Hosting: €150–400/year
Maintenance: €1,200–6,000/year
Bug fixes / plugin conflicts: €300–2,000/year
Hacking risk: €2,000–15,000 (if it happens)
Total cost over 3 years: €6,000–25,000+
Astro
Hosting: €20–200/year
Maintenance: €0–1,800/year
Security: virtually no risk
Bug fixes: minimal
Total cost over 3 years: €600–6,000
When to choose WordPress in 2026?
WordPress is a good choice if:
you have a very tight budget (<€1,500),
you need to be able to modify your site entirely without any technical skills,
you want ready-to-use plugins (calendars, complex forms, membership areas…).
For a simple project with low SEO expectations, WordPress remains a cost-effective option.
When to choose Astro in 2026?
Astro is the best option if:
speed is a priority,
SEO is strategic,
you want to avoid heavy maintenance,
you want a site that stays stable for several years,
you want a premium image,
you don’t want the risk of being hacked,
you’re looking for a direct impact on conversions.
Astro is particularly well suited for:
SMEs & established companies,
consultants & B2B firms,
premium brands,
content-driven companies,
companies competing on SEO,
companies that want to integrate AI.
Concrete example: performance and conversion
Astro often reduces loading times by a factor of 3 to 10.
A page going from 3.5s to 0.9s can increase:
conversions: +25 to +60%,
time on page: +20 to +50%,
SEO: +10 to +30 positions depending on the competition.
This explains the boom of Astro in modern web studios in 2026.
Why Numinam recommends Astro in 2026
Numinam uses Astro for 90% of its showcase & corporate sites because:
it’s the best-performing technology on the market,
it reduces long-term costs,
it avoids security emergencies,
it delivers immediate SEO results,
it’s more stable & scalable than WordPress,
it enables premium designs,
it allows AI to be properly integrated.
Typical Numinam budget:
€3,000–15,000 depending on ambition
Frequently asked questions
Is Astro harder to learn than WordPress?
For end users, both can be paired with a headless CMS for content editing. The difference is in development: Astro requires a developer, while WordPress can be set up with minimal technical knowledge. However, Astro sites need far less ongoing technical intervention once built.
Can I migrate my WordPress site to Astro?
Yes. Content can be exported from WordPress and restructured for Astro. The migration typically takes 2 to 6 weeks depending on the site’s complexity. The result is a faster, more secure, and cheaper-to-maintain site.
Is WordPress still good for e-commerce?
WordPress with WooCommerce remains a viable option for small e-commerce shops. However, for catalogue sites, product showcases, or businesses where SEO and speed drive revenue, Astro combined with a headless commerce solution often delivers better results.
What about content editing with Astro?
Astro integrates with headless CMS platforms like Storyblok, Sanity, Contentful or even WordPress used as a headless backend. Editors get a familiar interface; the frontend stays fast and secure.
Does Astro support multilingual sites?
Yes. Astro has built-in i18n routing support. This very site (numinam.com) runs on Astro with 10+ languages.
Which one is better for SEO in 2026?
Astro wins on Core Web Vitals (speed, interactivity, visual stability) by default. WordPress can score well, but it requires careful plugin management, caching layers, and CDN configuration — adding complexity and cost.
