Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zing.cz

Hry, recenze, preview a nové konzole | Zing

Page Load Speed

7.5 sec in total

First Response

205 ms

Resources Loaded

6.6 sec

Page Rendered

611 ms

About Website

Visit zing.cz now to see the best up-to-date Zing content for Czech Republic and also check out these interesting facts you probably never knew about zing.cz

Hry, recenze, ukázky nových konzolí, videa a novinky o vývoji her, herních vývojářích. Témata o počítačových hrách, stolních hrách a vybavení pro hráče.

Visit zing.cz

Key Findings

We analyzed Zing.cz page load time and found that the first response time was 205 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zing.cz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value4,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

zing.cz

205 ms

www.zing.cz

1475 ms

wp-emoji-release.min.js

168 ms

wpd-mycread.css

262 ms

style.min.css

286 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 85% of them (126 requests) were addressed to the original Zing.cz, 2% (3 requests) were made to Googletagmanager.com and 2% (3 requests) were made to Bbcdn-static.bbelements.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Zing.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 630.6 kB (35%)

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Zing.cz main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 906.1 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 306.9 kB

  • Original 353.7 kB
  • After minification 311.7 kB
  • After compression 46.9 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. This page needs HTML code to be minified as it can gain 42.0 kB, which is 12% 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 306.9 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 7.4 kB

  • Original 351.4 kB
  • After minification 344.0 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. Zing images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 310.8 kB

  • Original 906.1 kB
  • After minification 906.0 kB
  • After compression 595.2 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 310.8 kB or 34% of the original size.

CSS Optimization

-3%

Potential reduce by 5.5 kB

  • Original 213.0 kB
  • After minification 213.0 kB
  • After compression 207.5 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. Zing.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 110 (77%)

Requests Now

142

After Optimization

32

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 73 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zing.cz accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

zing.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

zing.cz SEO score

93

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

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 Zing.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 Zing.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

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