Tools & Wizards About Us
brasilescola.uol.com.br screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

brasilescola.uol.com.br

Brasil Escola - O maior portal de educação do Brasil

Page Load Speed

8.6 sec in total

First Response

967 ms

Resources Loaded

7.2 sec

Page Rendered

464 ms

brasilescola.uol.com.br screenshot

About Website

Welcome to brasilescola.uol.com.br homepage info - get ready to check Brasil Escola Uol best content for Brazil right away, or after learning these important things about brasilescola.uol.com.br

O Brasil Escola é o maior portal de educação do país. São mais de 100 mil conteúdos do Ensino Fundamental, Médio e preparação para o Enem e vestibulares. Confira!

Visit brasilescola.uol.com.br

Key Findings

We analyzed Brasilescola.uol.com.br page load time and found that the first response time was 967 ms and then it took 7.7 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

brasilescola.uol.com.br performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value4,840 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

brasilescola.uol.com.br

967 ms

index.min.css

541 ms

omnia.css

272 ms

criteo-snippet.js

275 ms

embeds.js

72 ms

Our browser made a total of 242 requests to load all elements on the main page. We found that 43% of them (104 requests) were addressed to the original Brasilescola.uol.com.br, 7% (18 requests) were made to Thumbs.buscape.com.br and 6% (15 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Brasilescola.uol.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (43%)

Content Size

2.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Brasilescola.uol.com.br main page is 2.5 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 307.3 kB

  • Original 387.4 kB
  • After minification 332.7 kB
  • After compression 80.1 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 54.7 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 307.3 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 21.6 kB

  • Original 823.1 kB
  • After minification 801.5 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. Brasil Escola Uol images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 680.8 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 519.1 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 680.8 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 80.8 kB

  • Original 98.6 kB
  • After minification 94.9 kB
  • After compression 17.9 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. Brasilescola.uol.com.br needs all CSS files to be minified and compressed as it can save up to 80.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 109 (49%)

Requests Now

223

After Optimization

114

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 223 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brasil Escola Uol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

brasilescola.uol.com.br

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967 ms

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541 ms

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Accessibility Review

brasilescola.uol.com.br accessibility score

87

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 have valid values

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

brasilescola.uol.com.br best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

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

brasilescola.uol.com.br SEO score

100

Search Engine Optimization Advices

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 Brasilescola.uol.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 Brasilescola.uol.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

brasilescola.uol.com.br

Open Graph description is not detected on the main page of Brasil Escola Uol. 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: