Tools & Wizards About Us
virtualbooks.com.br screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

virtualbooks.com.br

Editora Virtual Books - Publique seu livros

Page Load Speed

2.2 sec in total

First Response

193 ms

Resources Loaded

1.8 sec

Page Rendered

181 ms

virtualbooks.com.br screenshot

About Website

Click here to check amazing Virtual Books content for Brazil. Otherwise, check out these important facts you probably never knew about virtualbooks.com.br

Edição, impressão e comercialização de livros sob demanda e em pequenas tiragens nos sistemas Digital e Offset. Impressão de qualidade e baixo custo.

Visit virtualbooks.com.br

Key Findings

We analyzed Virtualbooks.com.br page load time and found that the first response time was 193 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

virtualbooks.com.br performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value4,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.356

31/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

virtualbooks.com.br

193 ms

capa

41 ms

125 ms

estilo.css

79 ms

show_ads.js

6 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 66% of them (38 requests) were addressed to the original Virtualbooks.com.br, 9% (5 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Virtualbooks.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.4 kB (24%)

Content Size

223.4 kB

After Optimization

169.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Virtualbooks.com.br main page is 223.4 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. 35% of websites need less resources to load. Images take 132.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 36.8 kB

  • Original 43.0 kB
  • After minification 28.9 kB
  • After compression 6.2 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 14.1 kB, which is 33% 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 36.8 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 7.1 kB

  • Original 132.4 kB
  • After minification 125.3 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. Virtual Books images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 6.6 kB

  • Original 43.3 kB
  • After minification 43.2 kB
  • After compression 36.8 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 6.6 kB or 15% of the original size.

CSS Optimization

-85%

Potential reduce by 4.0 kB

  • Original 4.7 kB
  • After minification 3.9 kB
  • After compression 687 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. Virtualbooks.com.br needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (14%)

Requests Now

49

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

virtualbooks.com.br

virtualbooks.com.br

193 ms

capa

capa

41 ms

125 ms

estilo.css

estilo.css

79 ms

show_ads.js

show_ads.js

6 ms

ga.js

ga.js

43 ms

ca-pub-1030267732623173.js

ca-pub-1030267732623173.js

73 ms

zrt_lookup.html

zrt_lookup.html

57 ms

show_ads_impl.js

show_ads_impl.js

75 ms

9788543401577_thumb.jpg

9788543401577_thumb.jpg

352 ms

fundo.jpg

fundo.jpg

57 ms

logo.png

logo.png

58 ms

button_buscar_fundo2.jpg

button_buscar_fundo2.jpg

113 ms

button_buscar.jpg

button_buscar.jpg

114 ms

editora_publique_seu_livro.gif

editora_publique_seu_livro.gif

113 ms

virtualbooks_store_compre_agora_home.gif

virtualbooks_store_compre_agora_home.gif

114 ms

banner_editora.gif

banner_editora.gif

113 ms

00010.jpg

00010.jpg

115 ms

00139.jpg

00139.jpg

156 ms

00077.jpg

00077.jpg

156 ms

00051.jpg

00051.jpg

156 ms

00026.jpg

00026.jpg

155 ms

00066.jpg

00066.jpg

156 ms

00110.jpg

00110.jpg

157 ms

00029.jpg

00029.jpg

186 ms

00837.jpg

00837.jpg

184 ms

00843.jpg

00843.jpg

217 ms

00897.jpg

00897.jpg

217 ms

00878.jpg

00878.jpg

182 ms

00741.gif

00741.gif

184 ms

00288.gif

00288.gif

234 ms

00625.gif

00625.gif

221 ms

00451.gif

00451.gif

221 ms

AVidadeumPaiAdotivopp.jpg

AVidadeumPaiAdotivopp.jpg

221 ms

ruda.gif

ruda.gif

257 ms

dot.gif

dot.gif

257 ms

copyright.gif

copyright.gif

258 ms

twitter_virtualbooks.png

twitter_virtualbooks.png

259 ms

9788579532085_thumb.jpg

9788579532085_thumb.jpg

347 ms

9788579532399_thumb.jpg

9788579532399_thumb.jpg

345 ms

978857953543_thumb.jpg

978857953543_thumb.jpg

1368 ms

9788579539718_thumb.jpg

9788579539718_thumb.jpg

344 ms

%20978854340651_thumb.jpg

%20978854340651_thumb.jpg

375 ms

__utm.gif

__utm.gif

13 ms

ads

ads

166 ms

osd.js

osd.js

15 ms

ads

ads

190 ms

ads

ads

213 ms

abg.js

abg.js

19 ms

205 ms

css

css

56 ms

m_js_controller.js

m_js_controller.js

5 ms

x_button_blue2.png

x_button_blue2.png

13 ms

s

s

9 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

31 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

3 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

44 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

48 ms

Accessibility Review

virtualbooks.com.br accessibility score

97

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

virtualbooks.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

High

Missing source maps for large first-party JavaScript

SEO Factors

virtualbooks.com.br SEO score

90

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PT

  • 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 Virtualbooks.com.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 Virtualbooks.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

virtualbooks.com.br

Open Graph description is not detected on the main page of Virtual Books. 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: