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zm.com.br screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

zm.com.br

ZM S.A. - Relés de Partida, Motores de Partida, Alternadores, Induzidos, Polias para Alternador, Cruzetas e Componentes de Cardans, Parafusos e Porcas...

Page Load Speed

12.6 sec in total

First Response

787 ms

Resources Loaded

11.4 sec

Page Rendered

396 ms

zm.com.br screenshot

About Website

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

Indústria automotiva fabricante de Relés de Partida, Motores de Partida, Alternadores, Cruzetas e Componentes de Cardans, Polias para Alternadores, Induzidos, Parafusos e Porcas de Roda, Conformados a...

Visit zm.com.br

Key Findings

We analyzed Zm.com.br page load time and found that the first response time was 787 ms and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

zm.com.br performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value6,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

www.zm.com.br

787 ms

css_2014.css

574 ms

js.js

394 ms

AC_RunActiveContent.js

394 ms

jquery-1.7.2.min.js

1114 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 95% of them (61 requests) were addressed to the original Zm.com.br, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (6.8 sec) belongs to the original domain Zm.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.2 kB (13%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zm.com.br main page is 1.9 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. 25% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 20.3 kB

  • Original 27.0 kB
  • After minification 25.1 kB
  • After compression 6.7 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 20.3 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 81.1 kB

  • Original 1.7 MB
  • After minification 1.6 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. ZM images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 135.0 kB

  • Original 201.7 kB
  • After minification 184.8 kB
  • After compression 66.7 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 135.0 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 20.8 kB

  • Original 26.2 kB
  • After minification 19.5 kB
  • After compression 5.3 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. Zm.com.br needs all CSS files to be minified and compressed as it can save up to 20.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (31%)

Requests Now

61

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.zm.com.br

www.zm.com.br

787 ms

css_2014.css

css_2014.css

574 ms

js.js

js.js

394 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

394 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1114 ms

global.css

global.css

584 ms

slides.min.jquery.js

slides.min.jquery.js

739 ms

style.css

style.css

750 ms

jquery.fancybox.css

jquery.fancybox.css

933 ms

jquery.fancybox.js

jquery.fancybox.js

1111 ms

bg-topo1000x260.jpg

bg-topo1000x260.jpg

497 ms

logotipo-zm.png

logotipo-zm.png

166 ms

menu-seta.gif

menu-seta.gif

165 ms

ico-ytb24x17.png

ico-ytb24x17.png

169 ms

band_esp.gif

band_esp.gif

172 ms

band_ing.gif

band_ing.gif

165 ms

arvore.gif

arvore.gif

331 ms

icone-central-online-35x32.png

icone-central-online-35x32.png

332 ms

bt-buscar_17.gif

bt-buscar_17.gif

336 ms

20140409154057-banner_2.jpg

20140409154057-banner_2.jpg

4088 ms

20140519094147-desen_qualidade.jpg

20140519094147-desen_qualidade.jpg

1835 ms

20140603172534-rollon.jpg

20140603172534-rollon.jpg

5436 ms

20150528113954-catalogos_pt.jpg

20150528113954-catalogos_pt.jpg

3826 ms

20150814141955-hardox.jpg

20150814141955-hardox.jpg

1243 ms

20150911142604-informativo_polia.jpg

20150911142604-informativo_polia.jpg

3619 ms

20150925114100-induzidos.jpg

20150925114100-induzidos.jpg

1937 ms

20160226100214-aedes_2016.jpg

20160226100214-aedes_2016.jpg

3175 ms

seta-esq-22x60.png

seta-esq-22x60.png

2093 ms

seta-dir-22x60.png

seta-dir-22x60.png

2264 ms

bt_pt_01c.gif

bt_pt_01c.gif

2424 ms

bt_pt_02c.gif

bt_pt_02c.gif

2590 ms

bt_pt_03c.gif

bt_pt_03c.gif

2779 ms

bt_pt_04c.gif

bt_pt_04c.gif

2954 ms

bt_pt_05c.gif

bt_pt_05c.gif

3117 ms

bt_pt_06c.gif

bt_pt_06c.gif

3263 ms

bt_pt_07c.gif

bt_pt_07c.gif

3320 ms

bt_pt_08c.gif

bt_pt_08c.gif

3412 ms

bt_pt_09c.gif

bt_pt_09c.gif

3466 ms

bt_pt_10c.gif

bt_pt_10c.gif

3558 ms

bt_pt_11c.gif

bt_pt_11c.gif

3614 ms

bt_pt_12c.gif

bt_pt_12c.gif

3706 ms

2015102710043820150915145121capa.jpg

2015102710043820150915145121capa.jpg

4093 ms

seta-dir.gif

seta-dir.gif

3772 ms

201603111047494397_lateral_A.gif

201603111047494397_lateral_A.gif

3860 ms

201602181509399931200_A.gif

201602181509399931200_A.gif

3931 ms

201602181509009931000_A.gif

201602181509009931000_A.gif

4116 ms

analytics.js

analytics.js

37 ms

collect

collect

33 ms

tt0142m_-webfont.woff

tt0142m_-webfont.woff

4435 ms

201602181508179930211_A.gif

201602181508179930211_A.gif

3981 ms

201602181507359930210_A.gif

201602181507359930210_A.gif

4077 ms

banner-trabalhe.jpg

banner-trabalhe.jpg

4274 ms

banner-news.jpg

banner-news.jpg

4299 ms

collect

collect

182 ms

banner-app.jpg

banner-app.jpg

4354 ms

rodape-line-960.png

rodape-line-960.png

4090 ms

rodape-mapa-184x120.png

rodape-mapa-184x120.png

4277 ms

logo-zmsa.jpg

logo-zmsa.jpg

4125 ms

logo-visao3.jpg

logo-visao3.jpg

3406 ms

bg-campo-txt.gif

bg-campo-txt.gif

2979 ms

bg-rodape-degrade.png

bg-rodape-degrade.png

2878 ms

bg-rodape-conteudo.png

bg-rodape-conteudo.png

3040 ms

20140409154057-banner_2.jpg

20140409154057-banner_2.jpg

6764 ms

loading.gif

loading.gif

2430 ms

Accessibility Review

zm.com.br accessibility score

75

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.

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

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>).

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

zm.com.br best practices score

75

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

SEO Factors

zm.com.br SEO score

81

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

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zm.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 Zm.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

zm.com.br

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