TTFB Speed Checker:
Compare UK Hosting Speed
Enter your current TTFB to see how your host stacks up against 21 UK providers. Visual speed rankings, grades, and speed-vs-price analysis to find the fastest hosting for your budget.
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Why Server Speed Matters More Than You Think
Time to First Byte (TTFB) is the single most important metric for measuring your hosting provider’s speed. It tells you how quickly your server starts responding when someone visits your website — before any CSS, JavaScript, or images even begin loading.
Google uses TTFB as a key input for Core Web Vitals. A slow TTFB makes it mathematically impossible to achieve a good Largest Contentful Paint (LCP) score, which directly affects your search rankings. Every 100ms of TTFB improvement can boost conversions by up to 1%.
We’ve tested all 21 hosting providers in our database from UK data centres and recorded their server response times. Use our tool below to check your own TTFB, compare it against the industry, and find faster alternatives if you need them.
Check Your Current Speed
Enter your TTFB to see how your host compares
How to find your TTFB: Visit Google PageSpeed Insights, GTmetrix, or Pingdom — enter your website URL and look for “Time to First Byte” or “Server Response Time” in the results.
94ms
Fastest TTFB
WPX
198ms
Average TTFB
14
Under 200ms
Google “Good”
420ms
Slowest TTFB
Host Speed Leaderboard
TTFB measured from UK data centres using shared hosting plans
TTFB Comparison (lower is better)
| # | Provider | TTFB | Grade | From/mo | Visit |
|---|---|---|---|---|---|
| 1 | WPX | 94ms | A+ Elite | £11.84 | Visit |
| 2 | Kinsta | 98ms | A+ Elite | £30.00 | Visit |
| 3 | Pressidium | 100ms | A+ Elite | £16.79 | Visit |
| 4 | Liquid Web | 136ms | A Excellent | £19.00 | Visit |
| 5 | SiteGround | 142ms | A Excellent | £2.99 | Visit |
| 6 | Fasthosts | 145ms | A Excellent | £5.00 | Visit |
| 7 | Hosting.com | 156ms | B+ Very Good | £2.99 | Visit |
| 8 | Web Hosting Buzz | 165ms | B+ Very Good | £5.17 | Visit |
| 9 | IONOS | 168ms | B+ Very Good | £1.00 | Visit |
| 10 | HostArmada | 178ms | B+ Very Good | £1.59 | Visit |
| 11 | Cloudways | 180ms | B+ Very Good | £11.00 | Visit |
| 12 | Flashcloud | 185ms | B+ Very Good | £2.20 | Visit |
Speed vs Price: Where’s the Sweet Spot?
Lower TTFB + lower price = top left = best value
(£30–£30/mo)
Sweet Spot: Fast & Affordable
SiteGround, Fasthosts, Hosting.com deliver sub-200ms TTFB for under £5/mo — genuine bargains that perform as well as hosts costing 5× more.
Speed Tier Breakdown
Elite & Excellent
Premium performance. These hosts match or beat most CDN-served static sites.
6 providers
Very Good & Good
Solid performance. Visitors won't notice any delay and Google rates this as acceptable.
13 providers
Average & Below
Needs improvement. Users feel the delay and Google flags this in Core Web Vitals.
2 providers
8 Factors That Determine Your Hosting Speed
Not all TTFB is created equal — here’s what separates a 94ms host from a 420ms one
Server Hardware
Critical ImpactNVMe SSDs are 3–5× faster than SATA SSDs for database queries. Combined with modern CPUs and ample RAM, good hardware can halve your TTFB. Premium hosts like Kinsta and WPX use enterprise-grade NVMe across all plans.
Server Location
Critical ImpactA London-based server adds ~20ms network latency for UK visitors. A US server adds 80–120ms before processing even starts. Always confirm your host has UK data centres — several “UK hosts” actually route through the US.
Server-Side Caching
Critical ImpactPage caching (Redis, Varnish, LiteSpeed Cache) can turn a 500ms response into a 50ms one. This is often the single biggest TTFB improvement. Managed hosts typically include this; shared hosts may require plugins.
CDN (Content Delivery Network)
High ImpactCloudflare or a host-native CDN caches your pages at 200+ edge locations. For cached pages, TTFB drops to near-zero regardless of origin server speed. Even the free Cloudflare tier can cut TTFB by 50%.
PHP Version & Runtime
High ImpactPHP 8.3 is 30%+ faster than PHP 7.4 for the same WordPress site. Some hosts still default to older versions. Node.js and LiteSpeed can further reduce processing time compared to Apache.
Resource Allocation
High ImpactOn shared hosting, your site competes with hundreds of others for CPU and RAM. Traffic spikes from neighbours slow your TTFB. VPS and cloud plans guarantee resources, providing more consistent response times.
CMS & Plugin Bloat
Medium ImpactA lean WordPress install with 5 plugins might serve pages in 150ms. Add 30 plugins and a heavy page builder (Elementor, Divi) and you can add 200–400ms of server processing. Hosting alone can't fix bad code.
DNS Resolution Speed
Medium ImpactBefore the request reaches your server, the browser resolves your domain name. Slow DNS adds 50–200ms. Premium DNS (Cloudflare, Route 53) resolves in under 20ms. Many domain registrars use slow DNS by default.
Who Needs to Prioritise Speed?
Not every website needs sub-100ms TTFB. Here’s where speed matters most.
eCommerce Stores
CriticalEvery 100ms of delay reduces conversions by 1%. A 300ms TTFB improvement could mean 3% more sales.
SaaS & Web Apps
CriticalUsers expect instant responses. Slow TTFB makes your app feel laggy even if the frontend is well-optimised.
SEO-Driven Blogs
HighGoogle uses TTFB as a Core Web Vital signal. Faster TTFB helps pages get crawled more frequently and ranked higher.
Agency Client Sites
HighYour clients judge your work partly by how fast their site feels. A slow host undermines even the best design.
Personal Blogs & Portfolios
MediumImportant for impressions, but lower traffic means less financial impact from slow TTFB.
Development / Staging Sites
LowSpeed is nice but not critical for sites that don't face real users or search engines.
6 Steps to Improve Your TTFB
Follow this order for maximum impact with minimum effort
Test Your Current TTFB
Use Google PageSpeed Insights, GTmetrix, or Pingdom to get your baseline TTFB. Test from a UK location for accurate results. Run 3–5 tests at different times of day and take the average.
Confirm Your Server Location
Check where your host's data centre actually is. If it's not in the UK (London, Nottingham, Portsmouth), your UK visitors are getting 80–120ms of unnecessary latency. Many 'UK' hosts route through the US.
Enable Server-Side Caching
Install a caching plugin (LiteSpeed Cache, WP Super Cache, W3 Total Cache) or enable your host's built-in caching. Object caching (Redis/Memcached) is even more effective for dynamic sites.
Add a CDN
Set up Cloudflare's free plan for an instant speed boost. It caches your pages at edge servers worldwide. For UK-only audiences, the London POP alone can cut TTFB by 30–50%.
Update PHP & Remove Plugin Bloat
Upgrade to PHP 8.3, deactivate and delete unused plugins, and replace heavy page builders with lighter alternatives (GeneratePress, Kadence). Each plugin removed can save 10–50ms of processing.
Consider Switching Hosts
If your TTFB is still over 500ms after optimisation, the problem is your hosting infrastructure. Our leaderboard above shows which hosts consistently deliver sub-200ms TTFB from UK data centres.
TTFB Speed Grade Reference
| Grade | TTFB Range | What It Means |
|---|---|---|
| A+Elite | ≤100ms | CDN-level speed. Server responds almost instantly. |
| AExcellent | 101–150ms | Premium performance. Exceeds Google's threshold easily. |
| B+Very Good | 151–200ms | Meets Google's “good” threshold. No issues for visitors. |
| BGood | 201–300ms | Acceptable. Visitors won't notice delay on most pages. |
| CAverage | 301–500ms | Noticeable on complex pages. May flag in CWV audits. |
| DSlow | 500ms+ | Visitors feel delay. Search rankings likely impacted. |
Frequently Asked Questions
What is a good TTFB for a website?
How do I check my website's TTFB?
Does TTFB affect SEO and Google rankings?
Why is my TTFB so slow?
Can I improve TTFB without switching hosts?
What's the difference between TTFB and page load time?
Which UK hosting provider has the fastest TTFB?
Does NVMe SSD storage actually make hosting faster?
How often should I test my TTFB?
Is expensive hosting always faster?
Related Speed & Hosting Guides
What Is TTFB?
Complete plain-English guide to Time to First Byte
Read guideHosting Cost Calculator
Calculate total hosting costs including renewals
Read guideRenewal Cost Calculator
See how much renewal markups really cost
Read guideUptime SLA Checker
Check your host's uptime guarantee
Read guideReliability Score
Aggregated reliability scores from incident data
Read guideReady to Speed Up Your Website?
Use our comparison tools to find the fastest UK hosting for your budget. Every millisecond counts.
TTFB data based on tests from UK data centres using standard shared hosting plans where available. Results may vary based on time of day, server load, and specific plan tier. Last updated April 2026.