Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

www2.correios.com.br

Sistemas dos Correios — Correios

Page Load Speed

2.9 sec in total

First Response

514 ms

Resources Loaded

2.1 sec

Page Rendered

208 ms

www2.correios.com.br screenshot

About Website

Visit www2.correios.com.br now to see the best up-to-date Www 2 Correios content for Brazil and also check out these interesting facts you probably never knew about www2.correios.com.br

Portal Correios: encomenda, filatelia, malote, telegrama, selo, agências, carteiro, comercio eletronico

Visit www2.correios.com.br

Key Findings

We analyzed Www2.correios.com.br page load time and found that the first response time was 514 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

www2.correios.com.br performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.323

35/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

www2.correios.com.br

514 ms

opnet_browsermetrix.c.ajax.js

607 ms

jquery-1.6.2.min.js

486 ms

ddaccordion.js

320 ms

jtabber.js

319 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Www2.correios.com.br, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Performanceapm.correios.com.br. The less responsive or slowest element that took the longest time to load (797 ms) belongs to the original domain Www2.correios.com.br.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.1 kB (68%)

Content Size

480.7 kB

After Optimization

151.5 kB

In fact, the total size of Www2.correios.com.br main page is 480.7 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. 20% of websites need less resources to load. Javascripts take 309.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.3 kB

  • Original 31.7 kB
  • After minification 30.0 kB
  • After compression 7.4 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 24.3 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 12.6 kB

  • Original 49.0 kB
  • After minification 36.4 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, Www 2 Correios needs image optimization as it can save up to 12.6 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 214.1 kB

  • Original 309.6 kB
  • After minification 295.2 kB
  • After compression 95.5 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 214.1 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 78.2 kB

  • Original 90.4 kB
  • After minification 61.3 kB
  • After compression 12.1 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. Www2.correios.com.br needs all CSS files to be minified and compressed as it can save up to 78.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 2 Correios. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

www2.correios.com.br accessibility score

100

Accessibility Issues

Best Practices

www2.correios.com.br best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

www2.correios.com.br SEO score

67

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

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 Www2.correios.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 Www2.correios.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

Open Graph description is not detected on the main page of Www 2 Correios. 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: