Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

Page Load Speed

4.6 sec in total

First Response

40 ms

Resources Loaded

4.1 sec

Page Rendered

437 ms

segurancaonline.vivo.com.br screenshot

About Website

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Key Findings

We analyzed Segurancaonline.vivo.com.br page load time and found that the first response time was 40 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

segurancaonline.vivo.com.br performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.554

13/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

portal

40 ms

2107 ms

fonts.css

41 ms

home.css

76 ms

common.css

78 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 96% of them (92 requests) were addressed to the original Segurancaonline.vivo.com.br, 3% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Segurancaonline.vivo.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 742.9 kB (41%)

Content Size

1.8 MB

After Optimization

1.1 MB

In fact, the total size of Segurancaonline.vivo.com.br main page is 1.8 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. 40% of websites need less resources to load. Images take 975.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 58.4 kB

  • Original 69.2 kB
  • After minification 53.8 kB
  • After compression 10.8 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. This page needs HTML code to be minified as it can gain 15.5 kB, which is 22% 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 58.4 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 61.2 kB

  • Original 975.4 kB
  • After minification 914.2 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. Segurancaonline Vivo images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 544.1 kB

  • Original 686.5 kB
  • After minification 497.3 kB
  • After compression 142.3 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 544.1 kB or 79% of the original size.

CSS Optimization

-84%

Potential reduce by 79.1 kB

  • Original 94.6 kB
  • After minification 70.4 kB
  • After compression 15.5 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. Segurancaonline.vivo.com.br needs all CSS files to be minified and compressed as it can save up to 79.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (35%)

Requests Now

93

After Optimization

60

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Segurancaonline Vivo. 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 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

segurancaonline.vivo.com.br accessibility score

51

Accessibility Issues

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

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

segurancaonline.vivo.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

Page has valid source maps

SEO Factors

segurancaonline.vivo.com.br SEO score

75

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Segurancaonline.vivo.com.br can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Segurancaonline.vivo.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 description is not detected on the main page of Segurancaonline Vivo. 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: