Tools & Wizards About Us

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

mundoj.com.br

MundoJ Ágil: revista, coletâneas e livros de programação e agilidade | Alura Cursos Online

Page Load Speed

1.4 sec in total

First Response

419 ms

Resources Loaded

610 ms

Page Rendered

357 ms

About Website

Visit mundoj.com.br now to see the best up-to-date MundoJ content and also check out these interesting facts you probably never knew about mundoj.com.br

Você está buscando por artigos da revista MundoJ Ágil? Pode conferir as coletâneas de artigos publicadas na Casa do Código, sobre Java e Programação: Ja

Visit mundoj.com.br

Key Findings

We analyzed Mundoj.com.br page load time and found that the first response time was 419 ms and then it took 967 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

mundoj.com.br performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value2,970 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

mundoj.com.br

419 ms

jquery.min.js

20 ms

jquery.dropotron.min.js

42 ms

skel.min.js

48 ms

skel-layers.min.js

42 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 73% of them (16 requests) were addressed to the original Mundoj.com.br, 14% (3 requests) were made to Fonts.gstatic.com and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (419 ms) belongs to the original domain Mundoj.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.9 kB (47%)

Content Size

461.7 kB

After Optimization

244.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mundoj.com.br main page is 461.7 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. 30% of websites need less resources to load. Images take 232.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 13.9 kB

  • Original 17.6 kB
  • After minification 15.1 kB
  • After compression 3.7 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 2.5 kB, which is 14% 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 13.9 kB or 79% of the original size.

Image Optimization

-31%

Potential reduce by 72.2 kB

  • Original 232.5 kB
  • After minification 160.4 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, MundoJ needs image optimization as it can save up to 72.2 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 96.6 kB

  • Original 169.4 kB
  • After minification 168.4 kB
  • After compression 72.8 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 96.6 kB or 57% of the original size.

CSS Optimization

-81%

Potential reduce by 34.2 kB

  • Original 42.2 kB
  • After minification 32.3 kB
  • After compression 8.0 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. Mundoj.com.br needs all CSS files to be minified and compressed as it can save up to 34.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (47%)

Requests Now

17

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MundoJ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mundoj.com.br accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

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

mundoj.com.br best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

mundoj.com.br SEO score

93

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mundoj.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 Mundoj.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 MundoJ. 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: