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UnionStack vs IONOS

UnionStack vs IONOS: WordPress hosting compared

See how UnionStack stacks up against IONOS shared WordPress hosting. Real performance data, not marketing claims.

Performance Comparison

Real-world speed tests

Measured under identical conditions with 100 concurrent users and 12 active plugins.

MetricUnionStackIONOS
TTFB (median)
122ms
640ms
P95 response time
602ms
1.4s
Lighthouse performance
98
71
Error rate
0.0%
1.8%
Deployment time
5 min
45 min

IONOS performance estimates based on independent third-party tests (WebPageTest, GTmetrix) and user reports from shared WordPress hosting plans (Q4 2025).

UnionStack data: k6 load test + Lighthouse CI, February 2026. IONOS data: Community benchmarks.

What's included?

Feature comparison at similar price points (€7-10/month).

FeatureUnionStackIONOS
Professional email
Auto SSL
Daily backups
Team accounts
GDPR-compliant hosting
Kubernetes isolation
Safe WordPress updates
Priority support
Performance monitoring

Switching from IONOS

How to migrate your WordPress site from IONOS to UnionStack in 3 steps.

01

Export your WordPress site

Use the built-in WordPress export tool or a migration plugin like All-in-One WP Migration to create a backup of your IONOS site.

02

Create a new project on UnionStack

Sign up, create a new WordPress project. We'll provision your site in under 5 minutes.

03

Import and connect your domain

Upload your backup, update DNS records, and your site is live. Email migration included.

Pricing Truth

Total cost comparison

What you actually pay per month when you add up all the fees.

CategoryUnionStackIONOS
Hosting
€9 / month
€6 / month promo
Email
Included
€2 / mailbox
SSL
Included
€1 / month
Backups
Included
€3 / month
Estimated total
€9 / month
€12+ / month

IONOS prices often increase after promotional period. Hidden fees for email, SSL, and backups add up quickly.

Why trust this comparison?

We publish our benchmark methodology and raw data publicly. IONOS performance numbers are based on independent third-party tests, not our own claims. If you find our data inaccurate, contact us and we'll correct it.

Ready to switch?

Start with UnionStack today. Migrate your site in minutes, not hours.

Get Started