Tools & Wizards About Us
cheerz.cz screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cheerz.cz

CHEERZ - TOP -

Page Load Speed

8.9 sec in total

First Response

471 ms

Resources Loaded

7.9 sec

Page Rendered

581 ms

cheerz.cz screenshot

About Website

Welcome to cheerz.cz homepage info - get ready to check CHEERZ best content for Japan right away, or after learning these important things about cheerz.cz

CHEERZ（チアーズ）は、女性アーティストやタレントと、ファンのためのコミュニティサービスです。いろんな方法で好きなだけ応援しよう。

Visit cheerz.cz

Key Findings

We analyzed Cheerz.cz page load time and found that the first response time was 471 ms and then it took 8.5 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

cheerz.cz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

cheerz.cz

471 ms

cheerz.cz

2034 ms

gtm.js

75 ms

style-default.css

768 ms

css

64 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 29% of them (20 requests) were addressed to the original Cheerz.cz, 56% (38 requests) were made to D1jo5b1m9v3ic.cloudfront.net and 3% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source D1jo5b1m9v3ic.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 732.9 kB (40%)

Content Size

1.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cheerz.cz main page is 1.9 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 47.9 kB

  • Original 57.3 kB
  • After minification 36.8 kB
  • After compression 9.4 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 20.5 kB, which is 36% 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 47.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 26.0 kB

  • Original 1.0 MB
  • After minification 998.7 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. CHEERZ images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 40.1 kB

  • Original 92.1 kB
  • After minification 91.8 kB
  • After compression 52.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.1 kB or 44% of the original size.

CSS Optimization

-91%

Potential reduce by 618.9 kB

  • Original 676.8 kB
  • After minification 575.4 kB
  • After compression 57.9 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. Cheerz.cz needs all CSS files to be minified and compressed as it can save up to 618.9 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (28%)

Requests Now

65

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CHEERZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cheerz.cz

cheerz.cz

471 ms

cheerz.cz

cheerz.cz

2034 ms

gtm.js

gtm.js

75 ms

style-default.css

style-default.css

768 ms

css

css

64 ms

jquery.min.js

jquery.min.js

52 ms

jsrender.min.js

jsrender.min.js

64 ms

iscroll.js

iscroll.js

716 ms

readmore.js

readmore.js

436 ms

bootstrap.min.js

bootstrap.min.js

92 ms

loadingoverlay.min.js

loadingoverlay.min.js

133 ms

csrf-error-handler.js

csrf-error-handler.js

441 ms

slick-theme.css

slick-theme.css

438 ms

slick.css

slick.css

438 ms

slick.min.js

slick.min.js

722 ms

258683_9d61cc0d25e24ed07d0e995cf7537417.jpeg

258683_9d61cc0d25e24ed07d0e995cf7537417.jpeg

860 ms

logo_CHEERZ.png

logo_CHEERZ.png

175 ms

logo_before_login.png

logo_before_login.png

176 ms

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rank_icon_1.png

176 ms

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176 ms

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rank_icon_3.png

175 ms

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175 ms

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rank_icon_5.png

340 ms

dl_appstore.png

dl_appstore.png

332 ms

dl_googleplay.png

dl_googleplay.png

324 ms

pagetop.png

pagetop.png

330 ms

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770 ms

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823 ms

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832 ms

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993 ms

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1149 ms

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1544 ms

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1416 ms

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1433 ms

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1440 ms

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1629 ms

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1754 ms

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2046 ms

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2046 ms

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2095 ms

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2200 ms

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2241 ms

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2367 ms

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2646 ms

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2652 ms

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2690 ms

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2848 ms

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2844 ms

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2972 ms

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3234 ms

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3311 ms

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3341 ms

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3456 ms

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3461 ms

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3605 ms

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3829 ms

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3918 ms

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3949 ms

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4064 ms

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4106 ms

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4246 ms

sdk.js

sdk.js

74 ms

font

font

27 ms

cheerz.ttf

cheerz.ttf

156 ms

sdk.js

sdk.js

11 ms

90 ms

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3709 ms

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3710 ms

Accessibility Review

cheerz.cz accessibility score

84

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cheerz.cz best practices score

83

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

Page has valid source maps

SEO Factors

cheerz.cz SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cheerz.cz can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Cheerz.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

cheerz.cz

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