WordPress vs Astro in 2026: what's the best choice for your website?

In 2026, two major technological families will be at odds when it comes to creating websites:

• WordPressthe historic CMS, flexible and economical... but aging.

• Astroa modern, ultra-fast framework designed for performance, SEO and long-term simplicity.

Since 2024, a massive shift has been taking place:
sMEs, consultants and B2B companies are gradually migrating toAstromainly for reasons of performance, safety and total cost.

Here's the complete, clear and decision-oriented comparison.

WordPress in 2026: benefits and limitations

The benefits:

• very low start-up costs,

• huge ecosystem of plugins,

• very good for a simple site on a small budget,

• easy to modify without development.

But in 2026, WordPress6 major problems :

1. Average or poor performance
   Each plugin adds JavaScript, CSS and additional requests.
   Result:
   sites to60-75 on Lighthouse mobile, rarely above 80.

Impact: lower SEO + lower conversions.

1. Mandatory and costly maintenance
   On average, a WordPress site requires :

• core updates,

• plugin updates,

• theme updates,

• safety monitoring,

• corrections for incompatibilities.

Cost :100€ to 500€/month for proper maintenance.

1. Fragile safety
   43% of sites hacked in 2025 were WordPress sites.
   Leading surface :
   each plugin = a risk.

2. Frequent incompatibilities
   Plugin A + plugin B = conflict
   Updated plugin = broken design
   Discontinued plugin = security hole

3. Limited scalability
   The bigger the site gets, the slower and more unstable it becomes.

4. Actual costs higher than expected
   WordPress is free..
   but itsTCO (Total Cost of Ownership) is often very high:

• maintenance,

• safety,

• heavy accommodation,

• dependence on premium plugins.

Astro in 2026: the game-changing modern framework

Astro is a framework designed to createhigh-speed sites by generating static or hybrid pages, with a minimum of JavaScript.

Key benefits:

1. Vitesse incomparable

Astro produces almost JavaScript-free pages by default.
Result:
scores Lighthouse90-100 even on mobile, pages that load in0.3 to 1 second.

Impact :

• +25 to 60% conversions,

• better SEO,

• best user experience.

2. Native security

No exposed database.
No vulnerable plugins.
No dynamic attack surface.
Astro Eastvirtually 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 according to editorial needs.

4. Compatible with all modern frontends

You can join :

• React,

• Vue,

• Svelte,

• HTML pur.

Total flexibility.

5. Superior SEO

Speed is now a major criterion.
Astro + structured content =best ranking.

6. Perfect for SMEs, consultants and B2B companies

Astro lets you create showcase or corporate websiteshigh-performancewithout the burden of an aging CMS.

Comparaison WordPress vs Astro (2026)

What is the real cost (TCO) over 3 years?

WordPress

• Accommodation: €150 - €400/year

• Maintenance: €1,200 - €6,000/year

• Plugin corrections/bugs/conflicts: €300 - €2,000/year

• Piracy risk: €2,000 - €15,000 (if it happens)

Total cost over 3 years: €6,000 - €25,000+

Astro

• Accommodation: €20 - €200/year

• Maintenance: €0 - €1,800/year

• Safety: virtually no risk

• Corrections: minimal

Total cost 3 years: €600 - €6,000

How much will a website cost in Belgium in 2026?

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 technology,

• you want ready-to-use plugins (calendars, complex forms, membership...).

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 :

• laspeed is a priority,

• sEO is strategic,

• you want to avoid heavy maintenance,

• you want a site that's stable over several years,

• you want a premium image,

• you don't want the risk of piracy,

• you're looking for a direct impact on conversions.

Astro is particularly suitable for :

• SMEs & established companies,

• consultants & cabinets B2B,

• premium brands,

• content companies,

• companies fighting for SEO,

• companies that want to integrate AI.

Concrete example: performance and conversion

Astro often cuts loading times by a factor of 23 à 10.
A page going from 3.5s to 0.9s can increase :

• conversions :+25 à +60%,

• time spent :+20 à +50%,

• sEO :+10 to +30 positions depending on the competition.

This explains Astro's boom 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 safety 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

→ Request a free audit :contact@numinam.com