Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zoner.eu

ZONER a.s. se zabývá vývojem a distribucí grafického a bezpečnostního softwaru a současně je předním poskytovatelem webhostingových a on-line služeb. ...

Page Load Speed

3 sec in total

First Response

325 ms

Resources Loaded

2.3 sec

Page Rendered

353 ms

zoner.eu screenshot

About Website

Click here to check amazing ZONER content for Czech Republic. Otherwise, check out these important facts you probably never knew about zoner.eu

ZONER a. s. se zabývá vývojem a distribucí grafického a bezpečnostního softwaru a současně je předním poskytovatelem webhostingových a on-line služeb.

Visit zoner.eu

Key Findings

We analyzed Zoner.eu page load time and found that the first response time was 325 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

zoner.eu performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

zoner.eu

325 ms

www.zoner.eu

767 ms

style.css

191 ms

responsive.css

288 ms

font-awesome.min.css

294 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Zoner.eu and no external sources were called. The less responsive or slowest element that took the longest time to load (767 ms) belongs to the original domain Zoner.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.0 kB (31%)

Content Size

407.6 kB

After Optimization

282.6 kB

In fact, the total size of Zoner.eu main page is 407.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 220.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 47.0 kB

  • Original 59.9 kB
  • After minification 55.9 kB
  • After compression 12.9 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.0 kB or 78% of the original size.

Image Optimization

-34%

Potential reduce by 75.3 kB

  • Original 220.5 kB
  • After minification 145.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, ZONER needs image optimization as it can save up to 75.3 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 859 B

  • Original 69.9 kB
  • After minification 69.7 kB
  • After compression 69.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.8 kB

  • Original 57.3 kB
  • After minification 57.2 kB
  • After compression 55.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Zoner.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (42%)

Requests Now

38

After Optimization

22

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZONER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zoner.eu accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

zoner.eu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zoner.eu SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zoner.eu can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Zoner.eu main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of ZONER. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: