Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

jornadadodev.com.br

Jornada do Dev | Cursos de programação gratuitos do zero ao profissional

Page Load Speed

268 ms in total

First Response

94 ms

Resources Loaded

125 ms

Page Rendered

49 ms

jornadadodev.com.br screenshot

About Website

Welcome to jornadadodev.com.br homepage info - get ready to check Jornada Do Dev best content for Brazil right away, or after learning these important things about jornadadodev.com.br

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Key Findings

We analyzed Jornadadodev.com.br page load time and found that the first response time was 94 ms and then it took 174 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

jornadadodev.com.br performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

jornadadodev.com.br

94 ms

jornadadodev.com.br

18 ms

index-F_hdORfH.css

5 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Jornadadodev.com.br and no external sources were called. The less responsive or slowest element that took the longest time to load (94 ms) belongs to the original domain Jornadadodev.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.1 kB (16%)

Content Size

521.3 kB

After Optimization

436.2 kB

In fact, the total size of Jornadadodev.com.br main page is 521.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 235.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 14.8 kB

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 2.4 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. 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 14.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 795 B

  • Original 235.7 kB
  • After minification 234.9 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. Jornada Do Dev images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 42.5 kB

  • Original 227.3 kB
  • After minification 226.0 kB
  • After compression 184.8 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 42.5 kB or 19% of the original size.

CSS Optimization

-66%

Potential reduce by 27.0 kB

  • Original 41.1 kB
  • After minification 41.1 kB
  • After compression 14.2 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. Jornadadodev.com.br needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jornada Do Dev. According to our analytics all requests are already optimized.

Accessibility Review

jornadadodev.com.br accessibility score

60

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jornadadodev.com.br best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jornadadodev.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

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jornadadodev.com.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it does not match the claimed English language. Our system also found out that Jornadadodev.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 Jornada Do Dev. 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: