Tools & Wizards About Us
7letras.com.br screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

7letras.com.br

Editora 7Letras - Compre online lançamentos e livros do catálogo

Page Load Speed

2 sec in total

First Response

836 ms

Resources Loaded

1.1 sec

Page Rendered

134 ms

7letras.com.br screenshot

About Website

Welcome to 7letras.com.br homepage info - get ready to check 7Letras best content for Brazil right away, or after learning these important things about 7letras.com.br

7Letras - Compre online lançamentos e livros do catálogo da 7Letras. Saiba mais sobre a editora e acompanhe as novidades de nossas coleções.

Visit 7letras.com.br

Key Findings

We analyzed 7letras.com.br page load time and found that the first response time was 836 ms and then it took 1.2 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

7letras.com.br performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

7letras.com.br

836 ms

widgets.css

141 ms

styles.css

147 ms

style.css

142 ms

prototype.js

152 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original 7letras.com.br, 4% (2 requests) were made to Smarticon.geotrust.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (836 ms) belongs to the original domain 7letras.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.1 kB (73%)

Content Size

525.2 kB

After Optimization

143.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 7letras.com.br main page is 525.2 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. 30% of websites need less resources to load. Javascripts take 338.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 29.3 kB

  • Original 35.8 kB
  • After minification 29.8 kB
  • After compression 6.5 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 17% 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 29.3 kB or 82% of the original size.

Image Optimization

-22%

Potential reduce by 13.1 kB

  • Original 58.5 kB
  • After minification 45.4 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. Obviously, 7Letras needs image optimization as it can save up to 13.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 261.4 kB

  • Original 338.2 kB
  • After minification 250.2 kB
  • After compression 76.8 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 261.4 kB or 77% of the original size.

CSS Optimization

-84%

Potential reduce by 78.2 kB

  • Original 92.6 kB
  • After minification 73.4 kB
  • After compression 14.4 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. 7letras.com.br needs all CSS files to be minified and compressed as it can save up to 78.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (64%)

Requests Now

47

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7Letras. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

7letras.com.br

7letras.com.br

836 ms

widgets.css

widgets.css

141 ms

styles.css

styles.css

147 ms

style.css

style.css

142 ms

prototype.js

prototype.js

152 ms

validation.js

validation.js

144 ms

builder.js

builder.js

142 ms

effects.js

effects.js

148 ms

dragdrop.js

dragdrop.js

149 ms

controls.js

controls.js

161 ms

slider.js

slider.js

148 ms

js.js

js.js

163 ms

form.js

form.js

162 ms

menu.js

menu.js

163 ms

translate.js

translate.js

165 ms

cookies.js

cookies.js

164 ms

si.js

si.js

37 ms

ga.js

ga.js

21 ms

smarticon

smarticon

53 ms

bkg_shadow.png

bkg_shadow.png

7 ms

logo.gif

logo.gif

37 ms

bkg_form-search2.gif

bkg_form-search2.gif

36 ms

btn_search.gif

btn_search.gif

37 ms

bkg_pipe1.gif

bkg_pipe1.gif

37 ms

falando_com_estranhos_capa.jpg

falando_com_estranhos_capa.jpg

38 ms

bkg_button.gif

bkg_button.gif

37 ms

bukowski_vol3_capa_mini.jpg

bukowski_vol3_capa_mini.jpg

38 ms

herdeira_capa.jpg

herdeira_capa.jpg

38 ms

um_teste_de_resistores_capa.jpg

um_teste_de_resistores_capa.jpg

39 ms

belo_como_um_abismo_capa.jpg

belo_como_um_abismo_capa.jpg

39 ms

querer_falar.jpg

querer_falar.jpg

39 ms

essa_loucura_roubada_-_capa.jpg

essa_loucura_roubada_-_capa.jpg

40 ms

amor_tudo_que_n_s_dissemos_que_n_o_era.jpg

amor_tudo_que_n_s_dissemos_que_n_o_era.jpg

40 ms

bkg_block-title.gif

bkg_block-title.gif

41 ms

i_block-cart.gif

i_block-cart.gif

42 ms

i_block-list.gif

i_block-list.gif

40 ms

i_block-subscribe.gif

i_block-subscribe.gif

41 ms

icon_blog.png

icon_blog.png

42 ms

bkg_pipe2.gif

bkg_pipe2.gif

42 ms

blog.png

blog.png

43 ms

facebook_f.png

facebook_f.png

43 ms

twitter_t.png

twitter_t.png

43 ms

ico_visa.gif

ico_visa.gif

44 ms

ico_master.gif

ico_master.gif

44 ms

satara.gif

satara.gif

44 ms

bkg_shadow-bottom.png

bkg_shadow-bottom.png

44 ms

__utm.gif

__utm.gif

18 ms

print.css

print.css

4 ms

Accessibility Review

7letras.com.br accessibility score

82

Accessibility Issues

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.

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

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

7letras.com.br best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

7letras.com.br SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 7letras.com.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that 7letras.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

7letras.com.br

Open Graph description is not detected on the main page of 7Letras. 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: