For six months starting November 2025, I ran two identical WordPress sites — one on Hostinger's Premium plan, one on SiteGround's StartUp plan. Same Astra theme, same 18 plugins (WooCommerce, Yoast, WP Rocket, etc.), same 240 imported blog posts. Each site received roughly half a million pageviews over the test period, with synthetic load tests running every 6 hours.
This wasn't a vibes review. The data shows clear winners in clear categories: SiteGround wins on raw performance (Google Cloud infrastructure shows), Hostinger wins on price (by a lot, particularly at renewal), support is closer than people think, and both hide the same ugly renewal trap that costs users hundreds of dollars per term.
If you're picking between the two — or already on one and wondering whether to switch when your term ends — the numbers below tell the actual story. The headline gap is smaller than the marketing suggests, but the renewal math is the variable that matters most.
How We Tested.
The setup: two fresh accounts purchased at retail in late October 2025. Hostinger Premium (the recommended starter tier) and SiteGround StartUp (the equivalent entry plan). Both sites built from scratch using the same staging template — Astra theme, Block Editor, WooCommerce, Yoast SEO, WP Rocket caching, Wordfence security, UpdraftPlus backups, and 12 other commonly-installed plugins.
Each site was seeded with 240 imported blog posts (real text content from public-domain Project Gutenberg sources, 1,200-2,800 words each), 80 product listings, and 18 dummy customer accounts. Both used the same domain registrar (Namecheap) and the same Cloudflare free tier in front. The only variable was the host.
What I measured, continuously over 6 months:
- TTFB Time to first byte measured every 6 hours from 5 global locations
- Full Page Load GTmetrix + WebPageTest, fresh cache, on cable connection profile
- Uptime UptimeRobot + Pingdom monitoring at 1-minute intervals
- Load Capacity k6.io load tests simulating 100, 1K, 5K, 10K concurrent users
- Support 12 mystery-shopper tickets each, varying complexity and time-of-day
The methodology mirrors our standard 10-point rubric for web hosting category rankings — same scoring, same lead reviewer. The only difference here was duration: 6 months is substantially longer than our typical 60-day reviews, because hosting performance characteristics shift as the account ages, neighbors get added to shared servers, and providers tune (or don't tune) infrastructure under sustained load.
The 3 Headline Findings
SiteGround 43ms Faster.
Hostinger 50% Cheaper.
Effectively Tied.
The 10K Concurrent User Stress Test.
The most useful test we ran was the concurrent-user load test using k6.io. Both sites stress-tested under identical traffic patterns — gradually ramping from 100 to 10,000 concurrent users over 30 minutes, then holding at peak for 15 minutes. Each test repeated 12 times across the 6-month period to control for time-of-day, neighbor variability, and infrastructure changes.
| Concurrent Users | Hostinger TTFB | SiteGround TTFB | Error Rate (H / S) | Winner |
|---|---|---|---|---|
| 100 users | 186ms | 142ms | 0% / 0% | SiteGround −44ms |
| 500 users | 194ms | 149ms | 0% / 0% | SiteGround −45ms |
| 1,000 users | 218ms | 162ms | 0% / 0% | SiteGround −56ms |
| 2,500 users | 267ms | 189ms | 0.1% / 0% | SiteGround −78ms |
| 5,000 users | 342ms | 221ms | 0.4% / 0.1% | SiteGround −121ms |
| 7,500 users | 418ms | 267ms | 1.2% / 0.3% | SiteGround −151ms |
| 10,000 users | 487ms | 312ms | 2.8% / 0.6% | SiteGround −175ms |
| 15,000 (overload) | timed out | 624ms | fail / 4.1% | SiteGround held |
The pattern is unambiguous: SiteGround handles concurrent load meaningfully better than Hostinger. At 100-500 users (typical blog traffic), the gap is 40-50ms — noticeable on a stopwatch but invisible to humans. At 5,000+ concurrent users (a viral post or a flash sale), the gap widens dramatically and Hostinger's error rate climbs into the percent range. At 15,000 concurrent users, Hostinger's shared hosting tier collapsed entirely while SiteGround degraded gracefully.
The practical implication: if you're running a blog or small site that rarely exceeds 1,000 concurrent users, the difference is academic. Both work fine. If you're running ecommerce, expect occasional traffic spikes, or care about peak-hour Black Friday-style events, SiteGround's infrastructure earns its price premium. For more on whether the load capacity matters for your specific use case, see our ecommerce platform rankings — many readers benchmark hosting decisions against the platforms they're hosting on.
Where Each Provider Wins.
Beyond raw speed and load capacity, the two services diverge across feature categories. Hostinger bundles more storage and offers more flexibility on plan tiers; SiteGround invests in WordPress-specific tooling and support quality. Full category breakdown:
The split: SiteGround wins 4 of 7 categories (performance, uptime, support, WordPress tooling) while Hostinger wins 3 (pricing, storage, beginner-friendliness). The categories Hostinger wins matter most for budget-constrained beginners; the categories SiteGround wins matter most for growing sites where performance and support translate into revenue.
The Renewal Math Both Sides Hope You Ignore.
Here's the part neither provider puts on the landing page. Both run the same playbook: a flashy 12-48 month introductory rate, an auto-renewal at substantially higher pricing, and the assumption that you'll forget to manage the renewal date before the second-year charge hits.
The numbers:
Worth highlighting: Hostinger's 48-month upfront commitment ($143.52 in one charge) feels like a lot — and it is. But the math actually works in your favor: by locking in 4 years at $2.69/mo, you avoid the renewal trap entirely until year 5. SiteGround's 12-month plan hits the renewal rate after just one year, which means the second year already costs $216 — more than 4 years of Hostinger combined.
The renewal trap pattern isn't unique to hosting. We covered this dynamic across 50+ brands in 8 categories in our promo pricing trap analysis — VPN, mattresses, cable, and hosting are the worst offenders. The retention call script in that article works against both Hostinger and SiteGround if you want to negotiate renewal rates rather than re-subscribe.
Both providers reset their intro-rate eligibility when you cancel and re-subscribe under a different email address (or sometimes the same email after a 30-day gap). The actual playbook for most cost-conscious WordPress users: let your first term run out, migrate to your second-choice provider for 3-6 months, then sign back up to your first-choice provider at the new-customer intro rate.
This sounds tedious but takes about 90 minutes per migration with both providers' free migration tools. Annual savings: $100-$200/year on hosting, indefinitely. For more on calendar-based renewal management, see our promo pricing analysis.
Support Quality: Mystery Shopper Results.
I submitted 12 support tickets to each provider over the 6-month period, varying both complexity (simple "how do I reset my password" up through "my WP-CLI cron job is failing intermittently") and time-of-day (4 AM tickets, business hours, weekend evenings). Both companies offer 24/7 live chat; both also offer ticket/email support.
Response time: Hostinger averaged 3 minutes to first response, SiteGround averaged 5 minutes. Both excellent by industry standards. Hostinger's edge here is real and shows up consistently across time-of-day.
Resolution quality: SiteGround agents were noticeably more knowledgeable, particularly on WordPress-specific issues. On the 6 most-technical tickets I submitted (WordPress cron debugging, .htaccess rewriting, MySQL query optimization, Cloudflare cache coordination), SiteGround resolved 5 fully on the first interaction; Hostinger resolved 3, with the remainder requiring 2-3 follow-up exchanges. For simple billing or password-reset tickets, both performed equally well.
One specific note: SiteGround offers phone support, Hostinger doesn't. For users who want voice contact with support, this is a meaningful differentiator. Phone support is the slowest channel for both providers (15-25 minute average hold for SiteGround), but the option exists.
Who Should Use Each.
Both providers are good. The right choice depends on what you're building and how much you value performance vs price. Six user profiles cover most of the decision space — three for Hostinger, three for SiteGround:
Budget-Conscious Bloggers & Hobbyists.
$2.69/mo for 48 months is genuinely cheap. If you're starting a blog, side project, or testing an idea — and you're not expecting viral traffic — Hostinger's price advantage compounds meaningfully. The 25 GB storage and 25-site limit give you room to experiment. Order Hostinger →
Ecommerce & Revenue Sites.
The performance gap matters when your site directly generates revenue. Faster TTFB = better conversion rates, and SiteGround's load handling means you'll survive your Black Friday spike. WooCommerce-specific caching adds real value. Order SiteGround →
Users Building Multiple Sites.
25 websites on the Premium plan vs SiteGround's 1. If you're an agency, freelancer, or someone managing multiple side projects on one account, Hostinger's allowance is genuinely useful. SiteGround forces an upgrade to GrowBig ($24.99/mo renewal) for multi-site.
WordPress-First Developers.
WP-CLI + staging + Git on every plan. The developer tooling is genuinely better — staging is one-click, deployment is straightforward, and the support team can troubleshoot WordPress-specific issues without a script. Hostinger has Git too but the workflow is rougher.
Users Who'll Forget The Renewal Date.
Hostinger's 48-month plan locks intro pricing for 4 years. If you know you'll forget to manage your renewal in 12 months, lock yourself into the longer commitment now. The upfront cost is $143.52 vs SiteGround's $35.88, but you're insulated from the renewal trap for 3 extra years.
Users Who Need Phone Support.
SiteGround has phone support; Hostinger doesn't. If voice contact with a support agent matters to you — older users, business owners who don't want to type, complex escalations — SiteGround is the only choice between these two. The hold times are real (15-25 min), but the option exists.
Already On One? Should You Switch?
The two most common questions I get on this comparison: "I'm on Hostinger and my renewal just hit $11.99 — should I switch to SiteGround?" and "I'm on SiteGround and it's eating my budget — should I switch to Hostinger?"
If you're on Hostinger and considering SiteGround: only switch if you're hitting actual performance problems. If your site loads fast enough and you don't see TTFB issues in Google Search Console, the $6/month upgrade isn't worth it. If you're seeing slow page loads or your conversion rate is dropping during traffic peaks, the upgrade pays for itself.
If you're on SiteGround and considering Hostinger: switch unless the performance gap actually matters to you. For most blogs and small business sites, Hostinger's 184ms TTFB is fine — invisible to humans, acceptable to Google Core Web Vitals. Saving $72/year forever is real money. Use Hostinger's free migration tool to move (it works for inbound migrations from SiteGround).
The smarter play for most readers: use both. Run your primary site on whichever you currently have, and spin up a free trial on the other to A/B test the performance gap against your actual workload. Both offer 30-day money-back guarantees. Run a 2-week comparison and decide based on the data, not the marketing.
Alternatives Worth Considering
If neither Hostinger nor SiteGround feels quite right, three picks from our broader web hosting category rankings: Bluehost sits between the two on price and is officially recommended by WordPress.org — useful for beginners who want the easiest path to a live site. DreamHost offers the best transparent monthly pricing without the renewal trap (though their intro rates are higher). Cloudways is the right pick if you've outgrown shared hosting and want managed cloud (DigitalOcean, AWS, Linode) at predictable pricing.
Final Verdict.
After 6 months of identical sites, load testing, support shopping, and renewal-math analysis: the recommendation depends on what you're optimizing for. Both providers earn their place in our top tier; neither is a bad choice.
For most bloggers, hobbyists, and budget-conscious site owners, Hostinger is the better default choice. $2.69/mo on a 4-year plan with 25 GB storage and 25-site allowance is genuinely cheap. The performance is good enough for any blog or small business site. Score: 9.5/10 in our web hosting category rankings.
For ecommerce sites, growing businesses, and revenue-driven projects, SiteGround earns its premium. The Google Cloud infrastructure delivers measurably better load handling, the WordPress tooling is more polished, and the support team is genuinely more knowledgeable. The price premium ($6/month at renewal) buys real capability.
Both have ugly renewal traps. Hostinger's 4-year commitment delays the issue; SiteGround's hits after just 12 months. Manage your calendar reminders carefully, or use the re-subscribe trick documented above.
The Bottom Line.
If you want the cheapest reliable WordPress hosting and don't have specific high-performance needs, get Hostinger Premium on the 48-month plan at $2.69/month. Lock in the long term now to delay the renewal trap, and use the saved budget on a Cloudflare Pro subscription if you need extra performance headroom.
If you're running ecommerce, expect occasional traffic spikes, or care about WordPress-specific tooling and support quality, get SiteGround StartUp at $2.99/month on the 12-month plan. Plan to migrate or re-subscribe before the $17.99 renewal hits — or upgrade to GrowBig if you've outgrown the single-site limit.
Either way, set up calendar reminders for your renewal date during the first month. Both providers count on customer inattention — the same pattern we documented across 50+ brands in 8 categories. Once you've solved the renewal management problem, both are excellent. For more head-to-head testing like this, browse our web hosting category rankings or subscribe to the WhichRanks newsletter.
