Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

kabum.com.br

KaBuM! | Maior E-commerce de Tecnologia e Games da América Latina

Page Load Speed

6.4 sec in total

First Response

831 ms

Resources Loaded

4.5 sec

Page Rendered

1 sec

kabum.com.br screenshot

About Website

Visit kabum.com.br now to see the best up-to-date Ka BuM content for Brazil and also check out these interesting facts you probably never knew about kabum.com.br

Encontre as melhores ofertas em Tecnologia e Games aqui no KaBuM!. Confira nossa linha de Hardware, Smartphones, Computadores, Eletrônicos e mais. Acesse!

Visit kabum.com.br

Key Findings

We analyzed Kabum.com.br page load time and found that the first response time was 831 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kabum.com.br performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value4,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.237

1/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

www.kabum.com.br

831 ms

estrutura_site.css

203 ms

menu_horizontal_categorias.css

212 ms

menu_destaques.css

211 ms

sobrenos.css

210 ms

Our browser made a total of 202 requests to load all elements on the main page. We found that 5% of them (10 requests) were addressed to the original Kabum.com.br, 50% (100 requests) were made to Static.kabum.com.br and 6% (12 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Static0.kabum.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 483.2 kB (20%)

Content Size

2.4 MB

After Optimization

2.0 MB

In fact, the total size of Kabum.com.br main page is 2.4 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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 175.2 kB

  • Original 215.2 kB
  • After minification 202.3 kB
  • After compression 40.0 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 175.2 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 29.0 kB

  • Original 1.8 MB
  • After minification 1.8 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. Ka BuM images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 207.0 kB

  • Original 346.4 kB
  • After minification 346.4 kB
  • After compression 139.4 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 207.0 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 72.0 kB

  • Original 86.0 kB
  • After minification 70.0 kB
  • After compression 14.0 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. Kabum.com.br needs all CSS files to be minified and compressed as it can save up to 72.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (33%)

Requests Now

196

After Optimization

131

The browser has sent 196 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ka BuM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kabum.com.br accessibility score

85

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

kabum.com.br 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

kabum.com.br SEO score

86

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

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

    PT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kabum.com.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kabum.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

Open Graph description is not detected on the main page of Ka BuM. 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: