Tools & Wizards About Us
kumon.com.br screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

kumon.com.br

Kumon | Aprender é o máximo no Kumon

Page Load Speed

16.8 sec in total

First Response

1.5 sec

Resources Loaded

15 sec

Page Rendered

250 ms

kumon.com.br screenshot

About Website

Click here to check amazing Kumon content for Brazil. Otherwise, check out these important facts you probably never knew about kumon.com.br

Descubra como seu filho pode alcançar o sucesso por meio dos cursos de matemática, português, inglês e japonês do Kumon.

Visit kumon.com.br

Key Findings

We analyzed Kumon.com.br page load time and found that the first response time was 1.5 sec and then it took 15.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kumon.com.br performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value28.7 s

0/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value8,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value61.1 s

0/100

10%

Network Requests Diagram

kumon.com.br

1513 ms

www.kumon.com.br

1657 ms

wp-emoji-release.min.js

619 ms

css

44 ms

624 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 54% of them (36 requests) were addressed to the original Kumon.com.br, 6% (4 requests) were made to S7.addthis.com and 6% (4 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Kumon.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (40%)

Content Size

2.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kumon.com.br main page is 2.6 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 137.4 kB

  • Original 177.9 kB
  • After minification 173.1 kB
  • After compression 40.5 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 137.4 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 22.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Kumon images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 645.8 kB

  • Original 984.0 kB
  • After minification 982.7 kB
  • After compression 338.2 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 645.8 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 202.4 kB

  • Original 243.8 kB
  • After minification 243.6 kB
  • After compression 41.3 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. Kumon.com.br needs all CSS files to be minified and compressed as it can save up to 202.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (57%)

Requests Now

60

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kumon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kumon.com.br

kumon.com.br

1513 ms

www.kumon.com.br

www.kumon.com.br

1657 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

619 ms

css

css

44 ms

624 ms

jquery.js

jquery.js

1881 ms

jquery-migrate.min.js

jquery-migrate.min.js

321 ms

323 ms

iframe_api

iframe_api

94 ms

addthis_widget.js

addthis_widget.js

11 ms

781 ms

344 ms

www-widgetapi.js

www-widgetapi.js

141 ms

analytics.js

analytics.js

75 ms

fbevents.js

fbevents.js

138 ms

logo_kumon00.gif

logo_kumon00.gif

163 ms

icon-sandwish.png

icon-sandwish.png

320 ms

icon-telephone-white.jpg

icon-telephone-white.jpg

319 ms

icon-search.png

icon-search.png

432 ms

banner-campanha-englishday-mobile.png

banner-campanha-englishday-mobile.png

9037 ms

banner-campanha-anointeiro-mobile2.png

banner-campanha-anointeiro-mobile2.png

10132 ms

icon-telephone-green.png

icon-telephone-green.png

479 ms

icon-oval-arrow.png

icon-oval-arrow.png

629 ms

banner-campanha-englishday.jpg

banner-campanha-englishday.jpg

2847 ms

banner-campanha-anointeiro3.jpg

banner-campanha-anointeiro3.jpg

2495 ms

pic_cheader_pe_cam1.png

pic_cheader_pe_cam1.png

1114 ms

pic_cheader_ef1_cam1.png

pic_cheader_ef1_cam1.png

1717 ms

pic_cheader_ef2_cam1.png

pic_cheader_ef2_cam1.png

1811 ms

mozaico-alunos.jpg

mozaico-alunos.jpg

4851 ms

ilustracao-metodokumon.jpg

ilustracao-metodokumon.jpg

5582 ms

illustracao-citacao.jpg

illustracao-citacao.jpg

3282 ms

illustracao-globo.jpg

illustracao-globo.jpg

3165 ms

gtm.js

gtm.js

71 ms

bullet-blue.gif

bullet-blue.gif

3472 ms

bullet-blue-dark.gif

bullet-blue-dark.gif

3591 ms

menu-item-orientadora.png

menu-item-orientadora.png

3785 ms

ico_link00.png

ico_link00.png

3905 ms

bg_br_cam1.gif

bg_br_cam1.gif

4097 ms

icon-arrow.png

icon-arrow.png

4218 ms

icon-link-pink.png

icon-link-pink.png

4416 ms

icon-arrow.png

icon-arrow.png

4534 ms

iframe_api

iframe_api

111 ms

slider-campanha-arrow-right.png

slider-campanha-arrow-right.png

4667 ms

slider-campanha-arrow-left.png

slider-campanha-arrow-left.png

4982 ms

6849.js

6849.js

64 ms

collect

collect

16 ms

conversion_async.js

conversion_async.js

17 ms

collect

collect

11 ms

collect

collect

85 ms

129 ms

UPQbQDtDRf8

UPQbQDtDRf8

65 ms

collect

collect

95 ms

s

s

66 ms

u

u

115 ms

72 ms

www-embed-player-vflZsBgOl.css

www-embed-player-vflZsBgOl.css

38 ms

www-embed-player.js

www-embed-player.js

83 ms

base.js

base.js

117 ms

60 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

8 ms

ad_status.js

ad_status.js

44 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

71 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

80 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

9 ms

pt.js

pt.js

7 ms

300lo.json

300lo.json

22 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

43 ms

Accessibility Review

kumon.com.br accessibility score

86

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kumon.com.br best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

kumon.com.br SEO score

85

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

Content Best Practices

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

Impact

Issue

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 uses legible font sizes

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

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

kumon.com.br

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