Tools & Wizards About Us
zoner.eu screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% 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

2.7 sec in total

First Response

253 ms

Resources Loaded

2.3 sec

Page Rendered

230 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 253 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zoner.eu performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

zoner.eu

253 ms

169 ms

screen.css

120 ms

jquery-1.4.2.min.js

354 ms

zonerista.css

520 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 62% of them (33 requests) were addressed to the original Zoner.eu, 25% (13 requests) were made to Zonercloud.cz and 6% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (888 ms) relates to the external source Zonercloud.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.2 kB (41%)

Content Size

243.8 kB

After Optimization

143.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zoner.eu main page is 243.8 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. 25% of websites need less resources to load. Images take 96.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 19.2 kB

  • Original 25.7 kB
  • After minification 22.3 kB
  • After compression 6.4 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.2 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 7.6 kB

  • Original 96.3 kB
  • After minification 88.7 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. ZONER images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 49.9 kB

  • Original 92.5 kB
  • After minification 92.5 kB
  • After compression 42.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 49.9 kB or 54% of the original size.

CSS Optimization

-80%

Potential reduce by 23.4 kB

  • Original 29.3 kB
  • After minification 23.0 kB
  • After compression 5.8 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 needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (39%)

Requests Now

51

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zoner.eu

zoner.eu

253 ms

169 ms

screen.css

screen.css

120 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

354 ms

zonerista.css

zonerista.css

520 ms

zonerista.js

zonerista.js

628 ms

ga.js

ga.js

34 ms

body_bg.gif

body_bg.gif

132 ms

header_bg.jpg

header_bg.jpg

133 ms

header_logo.gif

header_logo.gif

245 ms

logo_print.gif

logo_print.gif

246 ms

main_bg.gif

main_bg.gif

245 ms

temp_01.jpg

temp_01.jpg

357 ms

box_bg.gif

box_bg.gif

245 ms

three_columns_lines.gif

three_columns_lines.gif

245 ms

list.gif

list.gif

356 ms

shadows.jpg

shadows.jpg

362 ms

small_box_bg.gif

small_box_bg.gif

356 ms

small_box_photo_studio.png

small_box_photo_studio.png

468 ms

small_box_eshop.jpg

small_box_eshop.jpg

358 ms

small_box_servers.jpg

small_box_servers.jpg

471 ms

bottom_bg.gif

bottom_bg.gif

470 ms

bottom_box_bg.gif

bottom_box_bg.gif

470 ms

bottom_box_lines.gif

bottom_box_lines.gif

472 ms

facebook.gif

facebook.gif

472 ms

flag_cs.gif

flag_cs.gif

580 ms

flag_sk.gif

flag_sk.gif

583 ms

flag_hu.gif

flag_hu.gif

584 ms

flag_jp.gif

flag_jp.gif

585 ms

flag_us.gif

flag_us.gif

587 ms

menu_bg.jpg

menu_bg.jpg

587 ms

menu_active_corners.gif

menu_active_corners.gif

693 ms

search_button.gif

search_button.gif

697 ms

footer_bg.gif

footer_bg.gif

698 ms

footer_logo.gif

footer_logo.gif

699 ms

all.js

all.js

74 ms

__utm.gif

__utm.gif

13 ms

139 ms

xd_arbiter.php

xd_arbiter.php

91 ms

xd_arbiter.php

xd_arbiter.php

151 ms

ousko.png

ousko.png

112 ms

zoner.png

zoner.png

223 ms

photo.png

photo.png

334 ms

zonercloud.png

zonercloud.png

443 ms

czechia.png

czechia.png

555 ms

regzone.png

regzone.png

666 ms

inpage.png

inpage.png

776 ms

inshop.png

inshop.png

777 ms

sslmarket.png

sslmarket.png

798 ms

antivirus.png

antivirus.png

887 ms

press.png

press.png

888 ms

xd_arbiter.php

xd_arbiter.php

37 ms

print.css

print.css

116 ms

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

zoner.eu

Open Graph description is not detected on the main page of ZONER. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: