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Core Web Vitals guide for 2026

Check your website's speed

Find out how fast your site is, what Core Web Vitals are, and how hosting affects speed. Free tools and optimization tips.

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How to test a website's speed?

Test speed with free tools: Google PageSpeed Insights, GTmetrix, WebPageTest, Pingdom. Measure Core Web Vitals: LCP (under 2.5s), INP (under 200ms), CLS (under 0.1). To speed up: optimize images (WebP/AVIF), enable LSCache or WP Rocket, use Cloudflare CDN, minify CSS/JS, lazy loading, HTTP/3. BeoHosting LiteSpeed Enterprise is 12x faster than Apache — a drastic speed boost.

  • PageSpeed Insights, GTmetrix, WebPageTest
  • Core Web Vitals: LCP, INP, CLS
  • LiteSpeed 12x faster than Apache
  • LSCache + Cloudflare = maximum
  • WebP images + lazy loading

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10+ years of experience — Web hosting and infrastructure specialists

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Website speed test

Enter a URL to get real Core Web Vitals metrics from the Google PageSpeed Insights API.

Free tools for speed check

Use these proven tools to measure your site's performance. We recommend testing with at least 2 tools for a complete picture.

Google PageSpeed Insights

Free

Google's official tool for measuring Core Web Vitals. Uses Lighthouse and CrUX data.

Open tool

GTmetrix

Free

Detailed performance reports with Waterfall diagram and load video recording.

Open tool

WebPageTest

Free

Advanced testing tool with multiple locations, devices, and connection types.

Open tool

Pingdom Website Speed Test

Free

Simple speed test with performance grades and optimization recommendations.

Open tool

What are Core Web Vitals?

Core Web Vitals are three key indicators of user experience that Google has used as a ranking factor since 2021.

LCP

Largest Contentful Paint

Measures how quickly the largest visible element on the page loads (image, video, or block of text).

Good: < 2.5s
Needs improvement: 2.5s - 4s
Poor: > 4s

Use next/image optimization, CDN, and LiteSpeed caching for faster image loading.

INP

Interaction to Next Paint

Measures how quickly the page responds to user interaction (click, tap, key press).

Good: < 200ms
Needs improvement: 200ms - 500ms
Poor: > 500ms

Reduce JavaScript, use code splitting, and avoid heavy JS on the main thread.

CLS

Cumulative Layout Shift

Measures visual stability — how much elements move while the page loads.

Good: < 0.1
Needs improvement: 0.1 - 0.25
Poor: > 0.25

Always set width/height for images, use font-display: swap, and reserve space for dynamic content.

How does hosting affect speed?

The hosting server is the foundation of your site's speed. Here's how much each factor contributes to overall performance.

Hosting server and infrastructure

40%

Server type (HDD vs NVMe SSD), data center location, web server software (Apache vs LiteSpeed), and amount of RAM/CPU resources directly affect TTFB and content delivery speed.

Image and media optimization

25%

Unoptimized images are the most common reason for slow sites. WebP/AVIF format, lazy loading, srcset for responsive images, and CDN for delivery — all this can reduce page size by 50-80%.

JavaScript and CSS

20%

Too much JavaScript blocks page rendering. Minification, tree shaking, code splitting, and deferred loading of non-key scripts (defer/async) dramatically improve interactivity.

Caching and CDN

15%

Browser cache, server-side cache (LiteSpeed Cache, Redis, Memcached), and CDN networks deliver content from the closest location to the user, reducing latency.

Why are BeoHosting sites the fastest?

Our infrastructure is optimized for maximum speed. Here's what you get with every plan.

LiteSpeed Web Server

Up to 12x faster than Apache. Built-in HTTP/3, Brotli compression, and LSCache for WordPress. All BeoHosting plans use LiteSpeed.

+40-60%

NVMe SSD drives

NVMe drives are up to 6x faster than standard SSDs and up to 40x faster than HDDs. All our servers exclusively use NVMe storage.

+30-50%

REDIS + Memcached

In-memory database caching. Reduces dynamic page load time from 200ms to 20ms. Available on WordPress PRO and Business plans.

+50-80%

HTTP/3 + Brotli

The newest protocol for faster data transfer. Brotli compression is up to 20% more efficient than Gzip. Automatically enabled on all plans.

+15-25%

Cloudflare CDN integration

Global CDN network with 300+ PoP locations. Content is delivered from the nearest point to your visitor, reducing latency to a minimum.

+20-40%
Choose faster hosting

From $55.92 per year | Free migration

10 tips for a faster site

1

Choose hosting with NVMe SSD drives and LiteSpeed server

Learn more
2

Optimize images — use WebP format and lazy loading

3

Enable browser caching and server-side cache

4

Minify CSS and JavaScript files

5

Use a CDN for global content distribution

6

Reduce the number of HTTP requests — combine CSS/JS files

7

Enable Gzip/Brotli compression on the server

8

Use REDIS database caching

Learn more
9

Remove unused WordPress plugins and themes

10

Regularly update PHP version (PHP 8.3+ is up to 40% faster)

Frequently asked questions about site speed

Answers to the most common questions about our services.

Use Google PageSpeed Insights (pagespeed.web.dev) — enter your site URL and you'll get detailed results for mobile and desktop devices. Pay attention to Core Web Vitals scores (LCP, INP, CLS). You can also use GTmetrix or WebPageTest for additional insights.

Google recommends a site load in less than 2.5 seconds (LCP metric). Sites that load faster than 2 seconds have a significantly lower bounce rate. For e-commerce, every second of delay can reduce conversion by 7%. Ideally, target LCP under 1.5 seconds.

Absolutely! Hosting is responsible for about 40% of total site speed. Key factors are: disk type (NVMe vs HDD), web server (LiteSpeed vs Apache), amount of RAM, CPU performance, and data center location. BeoHosting uses LiteSpeed + NVMe SSD on all plans for maximum speed.

Core Web Vitals are Google's indicators of user experience quality: LCP (load speed), INP (interactivity), and CLS (visual stability). Since 2021 they have been a Google search ranking factor. Sites with good Core Web Vitals scores rank better and have more organic traffic.

LiteSpeed Web Server is up to 12x faster than Apache thanks to its event-driven architecture. For WordPress sites, the LSCache plugin provides full-page cache, ESI, and CSS/JS optimization without additional configuration. LiteSpeed also supports HTTP/3 and Brotli compression out of the box.

Yes, Google uses Mobile-First Indexing, meaning the mobile version of a site is used for ranking. Mobile speed is a direct ranking factor. Research shows that 53% of users abandon a site that takes longer than 3 seconds to load on mobile.

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