Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

museuafrobrasil.org.br

Home Museu Afro Brasil

Page Load Speed

4.5 sec in total

First Response

844 ms

Resources Loaded

3.1 sec

Page Rendered

517 ms

museuafrobrasil.org.br screenshot

About Website

Click here to check amazing Museu Afro Brasil content for Brazil. Otherwise, check out these important facts you probably never knew about museuafrobrasil.org.br

Localizado no Parque do Ibirapuera, o Museu Afro Brasil guarda um acervo com mais de 5 mil obras dos universos culturais africanos e afro-brasileiros.

Visit museuafrobrasil.org.br

Key Findings

We analyzed Museuafrobrasil.org.br page load time and found that the first response time was 844 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

museuafrobrasil.org.br performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value1.602

0/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

museuafrobrasil.org.br

844 ms

geral.css

271 ms

Slider.css

277 ms

css2

36 ms

jquery.min.js

36 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 66% of them (61 requests) were addressed to the original Museuafrobrasil.org.br, 12% (11 requests) were made to Saopaulo.sp.gov.br and 6% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Museuafrobrasil.org.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 389.6 kB (8%)

Content Size

4.8 MB

After Optimization

4.4 MB

In fact, the total size of Museuafrobrasil.org.br main page is 4.8 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. 65% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 47.3 kB

  • Original 62.4 kB
  • After minification 53.4 kB
  • After compression 15.1 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 9.0 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 47.3 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 283.5 kB

  • Original 4.5 MB
  • After minification 4.2 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. Museu Afro Brasil images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 29.4 kB

  • Original 169.8 kB
  • After minification 169.5 kB
  • After compression 140.3 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 29.4 kB or 17% of the original size.

CSS Optimization

-42%

Potential reduce by 29.4 kB

  • Original 70.9 kB
  • After minification 70.3 kB
  • After compression 41.5 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. Museuafrobrasil.org.br needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (60%)

Requests Now

84

After Optimization

34

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Museu Afro Brasil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

museuafrobrasil.org.br accessibility score

78

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

High

Heading elements are not in a sequentially-descending order

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.

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

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

museuafrobrasil.org.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

museuafrobrasil.org.br SEO score

77

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

High

Page is blocked from indexing

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 Museuafrobrasil.org.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 Museuafrobrasil.org.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 Museu Afro Brasil. 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: