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wzsystem.cz screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

wzsystem.cz

NEHTOVÁ MODELÁŽ | péče o Vaše ruce a nehty, WZ systém

Page Load Speed

2.8 sec in total

First Response

544 ms

Resources Loaded

2 sec

Page Rendered

177 ms

wzsystem.cz screenshot

About Website

Welcome to wzsystem.cz homepage info - get ready to check WZ System best content right away, or after learning these important things about wzsystem.cz

NEHTOVÁ MODELÁŽ, péče o Vaše ruce a nehty. Výrobky pro nehtovou modeláž, manikúru, pedikúru a depilaci. Všestranná péče o nehty, ...

Visit wzsystem.cz

Key Findings

We analyzed Wzsystem.cz page load time and found that the first response time was 544 ms and then it took 2.2 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

wzsystem.cz performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

wzsystem.cz

544 ms

back1.css

179 ms

scripts.js

194 ms

style1.css

94 ms

ga.js

49 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 92% of them (34 requests) were addressed to the original Wzsystem.cz, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to C.seznam.cz. The less responsive or slowest element that took the longest time to load (690 ms) relates to the external source C.seznam.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.2 kB (21%)

Content Size

182.3 kB

After Optimization

144.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wzsystem.cz main page is 182.3 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. 15% of websites need less resources to load. Javascripts take 92.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 24.9 kB

  • Original 30.4 kB
  • After minification 30.4 kB
  • After compression 5.5 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 24.9 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 7.9 kB

  • Original 53.3 kB
  • After minification 45.4 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, WZ System needs image optimization as it can save up to 7.9 kB or 15% 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 1.1 kB

  • Original 92.4 kB
  • After minification 92.1 kB
  • After compression 91.3 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

-69%

Potential reduce by 4.3 kB

  • Original 6.3 kB
  • After minification 5.9 kB
  • After compression 1.9 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. Wzsystem.cz needs all CSS files to be minified and compressed as it can save up to 4.3 kB or 69% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

36

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WZ System. According to our analytics all requests are already optimized.

Network Requests Diagram

wzsystem.cz

wzsystem.cz

544 ms

back1.css

back1.css

179 ms

scripts.js

scripts.js

194 ms

style1.css

style1.css

94 ms

ga.js

ga.js

49 ms

back.png

back.png

93 ms

logo.gif

logo.gif

97 ms

sider.jpg

sider.jpg

98 ms

.thumb_ANM-aplikator.jpg

.thumb_ANM-aplikator.jpg

185 ms

.thumb_stetecek-na-stiny.jpg

.thumb_stetecek-na-stiny.jpg

185 ms

.thumb_63000.jpg

.thumb_63000.jpg

186 ms

.thumb_3D01.jpg

.thumb_3D01.jpg

185 ms

.thumb_3D02.jpg

.thumb_3D02.jpg

193 ms

.thumb_3D03.jpg

.thumb_3D03.jpg

193 ms

.thumb_3D10.jpg

.thumb_3D10.jpg

284 ms

.thumb_3D11.jpg

.thumb_3D11.jpg

283 ms

.thumb_49.jpg

.thumb_49.jpg

283 ms

.thumb_108.jpg

.thumb_108.jpg

283 ms

.thumb_109.jpg

.thumb_109.jpg

288 ms

.thumb_15.jpg

.thumb_15.jpg

289 ms

.thumb_46.jpg

.thumb_46.jpg

374 ms

.thumb_11a.jpg

.thumb_11a.jpg

376 ms

.thumb_13.jpg

.thumb_13.jpg

376 ms

.thumb_n28.jpg

.thumb_n28.jpg

375 ms

.thumb_n29.jpg

.thumb_n29.jpg

386 ms

.thumb_n19.jpg

.thumb_n19.jpg

386 ms

.thumb_n30.jpg

.thumb_n30.jpg

466 ms

.thumb_n3.jpg

.thumb_n3.jpg

468 ms

.thumb_n16.jpg

.thumb_n16.jpg

467 ms

.thumb_n32.jpg

.thumb_n32.jpg

468 ms

.thumb_n18.jpg

.thumb_n18.jpg

481 ms

.thumb_n15.jpg

.thumb_n15.jpg

482 ms

site.gif

site.gif

557 ms

print.gif

print.gif

557 ms

m1.png

m1.png

557 ms

__utm.gif

__utm.gif

11 ms

retargeting.js

retargeting.js

690 ms

Accessibility Review

wzsystem.cz accessibility score

71

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Form elements do not have associated labels

Best Practices

wzsystem.cz 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

wzsystem.cz SEO score

77

Search Engine Optimization Advices

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 Wzsystem.cz 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 Wzsystem.cz 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

wzsystem.cz

Open Graph description is not detected on the main page of WZ System. 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: