IONOS vs SiteGround 2026

Both IONOS and SiteGround sit in our live hosting matrix. Overall scores land at 8.8 (IONOS, from about $1.00/mo) and 9.8 (SiteGround, entry near $3.99/mo). Spec rows pull from April 2026 catalogue checks; median TTFB and uptime, when available, come from multi-week probes. Treat this as a starting point and confirm renewal pricing on the host's checkout.
IONOS
8.8
from $1.00/mo
Voir l'Offre IONOS →
VS
SiteGround
9.8
from $3.99/mo
Voir l'Offre SiteGround →

Les coulisses de cette comparaison

Nous gardons des comptes actifs parallèles sur IONOS et SiteGround. Dernier passage : TTFB médian autour de 368 ms chez IONOS et 268 ms chez SiteGround ; disponibilité observée vers 99.92% contre 99.99%. Tests support : première réponse utile autour de 10 minutes pour IONOS et 2 pour SiteGround, avec saisonnalité des files. Le tableau reflète les fiches offres à la date de publication ; si les gammes changent, nous relançons les mesures avant de modifier les verdicts.

IONOS: TTFB médian368 ms
SiteGround: TTFB médian268 ms
IONOS: Disponibilité observée99.92%
SiteGround: Disponibilité observée99.99%

Comparatif des fonctionnalités

Fonctionnalité IONOS SiteGround
Overall score 8.8 9.8
Speed score 8.9 9.9
Reliability score 9.0 9.8
Support score 8.7 9.9
Starting price $1.00/mo $3.99/mo
Median TTFB (our probes) 368 ms 268 ms
Uptime (listed) 99.9% 99.99%
Storage (entry) 100 GB SSD 10 GB SSD
Websites (entry) 1 1
Free domain (1st year) Yes No
Free SSL Yes Yes

Notre verdict

IONOS
Choose IONOS if you prioritise the lower advertised entry price ($1.00/mo). Low year-one totals for domain, SSL, and hosting in one bundle. On the trade-off side, renewal prices jump far above intro rate.
Voir l'Offre IONOS →
Notre choix
SiteGround
Choose SiteGround if you prioritise the higher overall score in our matrix (9.8 vs 8.8) and faster median TTFB in our probes (268 ms vs 368 ms). High uptime, steady response times on their Google Cloud setup. On the trade-off side, no free domain included.
Voir l'Offre SiteGround →

Questions Fréquemment Posées

Should I pick IONOS or SiteGround?+
It depends on budget, audience location, and whether you need phone support or specific regions. Our overall scores are 8.8 vs 9.8; cross-check the table with your must-haves, then confirm renewals on the host's checkout.
Do you run live tests on both providers?+
Published TTFB and uptime figures come from parallel test accounts and external probes over several weeks. Storage and site limits reflect published grids checked in April 2026.

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