Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

oficinadoestudante.com.br

Curso Pré Vestibular e Enem Campinas - Oficina do Estudante

Page Load Speed

6.7 sec in total

First Response

665 ms

Resources Loaded

5.7 sec

Page Rendered

333 ms

oficinadoestudante.com.br screenshot

About Website

Visit oficinadoestudante.com.br now to see the best up-to-date Oficina Do Estudante content for Brazil and also check out these interesting facts you probably never knew about oficinadoestudante.com.br

Curso Pré Vestibular e Preparação para Enem no Melhor Colégio em Campinas é na Oficina do Estudante: você muito mais preparado para as principais provas

Visit oficinadoestudante.com.br

Key Findings

We analyzed Oficinadoestudante.com.br page load time and found that the first response time was 665 ms and then it took 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

oficinadoestudante.com.br performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.323

35/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

oficinadoestudante.com.br

665 ms

jquery.min.js

11 ms

thickbox.js

288 ms

thickbox2.css

291 ms

jquery.openCarousel.css

289 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 95% of them (73 requests) were addressed to the original Oficinadoestudante.com.br, 1% (1 request) were made to Ajax.googleapis.com and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Oficinadoestudante.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 784.0 kB (25%)

Content Size

3.2 MB

After Optimization

2.4 MB

In fact, the total size of Oficinadoestudante.com.br main page is 3.2 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. 35% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 70.5 kB

  • Original 78.5 kB
  • After minification 65.7 kB
  • After compression 8.1 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 12.8 kB, which is 16% 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 70.5 kB or 90% of the original size.

Image Optimization

-15%

Potential reduce by 422.3 kB

  • Original 2.7 MB
  • After minification 2.3 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. Obviously, Oficina Do Estudante needs image optimization as it can save up to 422.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 190.6 kB

  • Original 243.7 kB
  • After minification 173.0 kB
  • After compression 53.1 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 190.6 kB or 78% of the original size.

CSS Optimization

-89%

Potential reduce by 100.6 kB

  • Original 112.7 kB
  • After minification 90.9 kB
  • After compression 12.1 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. Oficinadoestudante.com.br needs all CSS files to be minified and compressed as it can save up to 100.6 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (23%)

Requests Now

74

After Optimization

57

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oficina Do Estudante. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oficinadoestudante.com.br accessibility score

75

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.

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

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

oficinadoestudante.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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oficinadoestudante.com.br SEO score

78

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oficinadoestudante.com.br can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Oficinadoestudante.com.br main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Oficina Do Estudante. 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: