Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

colegiodominium.com.br

Página Inicial - Colégio Dominium

Page Load Speed

8.9 sec in total

First Response

1.6 sec

Resources Loaded

7.1 sec

Page Rendered

175 ms

colegiodominium.com.br screenshot

About Website

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

Visit colegiodominium.com.br

Key Findings

We analyzed Colegiodominium.com.br page load time and found that the first response time was 1.6 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

colegiodominium.com.br performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.123

83/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

colegiodominium.com.br

1638 ms

mouseover.js

150 ms

hp_subnavig.js

273 ms

hp_gen_subnavig.js

277 ms

ml.js

290 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 98% of them (41 requests) were addressed to the original Colegiodominium.com.br, 2% (1 request) were made to Construtor.uolhost.com.br. The less responsive or slowest element that took the longest time to load (5.4 sec) relates to the external source Construtor.uolhost.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.4 kB (16%)

Content Size

88.1 kB

After Optimization

73.7 kB

In fact, the total size of Colegiodominium.com.br main page is 88.1 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. Only 10% of websites need less resources to load. Images take 70.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 7.7 kB

  • Original 9.9 kB
  • After minification 9.5 kB
  • After compression 2.2 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 7.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 329 B

  • Original 70.3 kB
  • After minification 70.0 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. Colegio Dominium images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 781 B

  • Original 1.4 kB
  • After minification 1.3 kB
  • After compression 626 B

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 781 B or 56% of the original size.

CSS Optimization

-86%

Potential reduce by 5.6 kB

  • Original 6.5 kB
  • After minification 5.6 kB
  • After compression 915 B

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. Colegiodominium.com.br needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (29%)

Requests Now

38

After Optimization

27

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colegio Dominium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

colegiodominium.com.br accessibility score

59

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

[role] values are not valid

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

<frame> or <iframe> elements do not have a title

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

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

Best Practices

colegiodominium.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

SEO Factors

colegiodominium.com.br SEO score

85

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

    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 Colegiodominium.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 Colegiodominium.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 Colegio Dominium. 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: