Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 77

    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

cbm-musica.edu.br

CBM | Conservatório Brasileiro de Música

Page Load Speed

19.3 sec in total

First Response

2 sec

Resources Loaded

17.1 sec

Page Rendered

241 ms

cbm-musica.edu.br screenshot

About Website

Click here to check amazing CBM Musica content. Otherwise, check out these important facts you probably never knew about cbm-musica.edu.br

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Key Findings

We analyzed Cbm-musica.edu.br page load time and found that the first response time was 2 sec and then it took 17.4 sec 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

cbm-musica.edu.br performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

cbm-musica.edu.br

1966 ms

reset.css

524 ms

calendar.min.css

1304 ms

style.css

1931 ms

css

26 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cbm-musica.edu.br, 66% (43 requests) were made to Cbmmusica.edu.br and 15% (10 requests) were made to Apps.sistema.radio.br.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (11.7 sec) relates to the external source Cbmmusica.edu.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.9 kB (14%)

Content Size

3.0 MB

After Optimization

2.6 MB

In fact, the total size of Cbm-musica.edu.br main page is 3.0 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. 45% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.6 kB

  • Original 41.7 kB
  • After minification 35.7 kB
  • After compression 8.2 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. This page needs HTML code to be minified as it can gain 6.0 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 33.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 117.1 kB

  • Original 2.6 MB
  • After minification 2.5 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. CBM Musica images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 232.0 kB

  • Original 316.8 kB
  • After minification 255.2 kB
  • After compression 84.8 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 232.0 kB or 73% of the original size.

CSS Optimization

-80%

Potential reduce by 30.2 kB

  • Original 37.7 kB
  • After minification 29.0 kB
  • After compression 7.5 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. Cbm-musica.edu.br needs all CSS files to be minified and compressed as it can save up to 30.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (33%)

Requests Now

61

After Optimization

41

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CBM Musica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cbm-musica.edu.br accessibility score

77

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cbm-musica.edu.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

Browser errors were logged to the console

SEO Factors

cbm-musica.edu.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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cbm-musica.edu.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 Cbm-musica.edu.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 CBM Musica. 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: