Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

nsn.com.br

NSN – www.nsn.com.br – Produzindo qualidade para seu automóvel

Page Load Speed

2.6 sec in total

First Response

968 ms

Resources Loaded

1.2 sec

Page Rendered

440 ms

nsn.com.br screenshot

About Website

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

Visit nsn.com.br

Key Findings

We analyzed Nsn.com.br page load time and found that the first response time was 968 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

nsn.com.br performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.5 s

0/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value760 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

nsn.com.br

968 ms

CORE_V1.css

92 ms

CORE_V2.css

45 ms

jquery-ui.css

6 ms

jquery.js

85 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Nsn.com.br, 6% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (968 ms) belongs to the original domain Nsn.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 384.6 kB (43%)

Content Size

888.8 kB

After Optimization

504.1 kB

In fact, the total size of Nsn.com.br main page is 888.8 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. 45% of websites need less resources to load. Javascripts take 375.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 9.9 kB

  • Original 12.5 kB
  • After minification 10.8 kB
  • After compression 2.6 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 1.8 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 9.9 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 13.6 kB

  • Original 365.0 kB
  • After minification 351.5 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. NSN images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 249.0 kB

  • Original 375.1 kB
  • After minification 372.8 kB
  • After compression 126.1 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 249.0 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 112.1 kB

  • Original 136.1 kB
  • After minification 113.3 kB
  • After compression 24.0 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. Nsn.com.br needs all CSS files to be minified and compressed as it can save up to 112.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NSN. 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 as a result speed up the page load time.

Accessibility Review

nsn.com.br accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

nsn.com.br best practices score

92

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

SEO Factors

nsn.com.br SEO score

84

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nsn.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 Nsn.com.br main page’s claimed encoding is . 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

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