Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

usborne.com.br

Children’s books for all ages | Usborne | Be Curious

Page Load Speed

1.4 sec in total

First Response

145 ms

Resources Loaded

1.1 sec

Page Rendered

226 ms

About Website

Welcome to usborne.com.br homepage info - get ready to check Usborne best content right away, or after learning these important things about usborne.com.br

We are the leading UK independent publisher of children's books. Our books are available worldwide. Browse our catalogue and find out where to buy Usborne books

Visit usborne.com.br

Key Findings

We analyzed Usborne.com.br page load time and found that the first response time was 145 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

usborne.com.br performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

usborne.com.br

145 ms

624 ms

OtAutoBlock.js

69 ms

otSDKStub.js

93 ms

styles-m.min.css

34 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Usborne.com.br, 74% (20 requests) were made to Usborne.com and 11% (3 requests) were made to Cdn-ukwest.onetrust.com. The less responsive or slowest element that took the longest time to load (624 ms) relates to the external source Usborne.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 474.0 kB (60%)

Content Size

792.2 kB

After Optimization

318.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Usborne.com.br main page is 792.2 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. 40% of websites need less resources to load. HTML takes 621.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 473.0 kB

  • Original 621.8 kB
  • After minification 570.9 kB
  • After compression 148.8 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 473.0 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 103.1 kB
  • After minification 103.1 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. Usborne images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 52 B

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 12.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.0 kB

  • Original 54.3 kB
  • After minification 54.3 kB
  • After compression 53.3 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. Usborne.com.br has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (76%)

Requests Now

21

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usborne. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

usborne.com.br accessibility score

82

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

Buttons do not have an accessible name

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.

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

usborne.com.br best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

usborne.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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usborne.com.br can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Usborne.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

Open Graph data is detected on the main page of Usborne. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: