Correios.com.br Correios: encomendas, rastreamento, telegramas, cep, cartas, selos, agências e mais!
correios.com.br Desktop Performance
78/100
These metrics represent real-world Chrome users experience viewing correios.com.br web page. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.
User Loading Experience
Cumulative Layout Shift
Largest Contentful Paint
First Contentful Paint
First Input Delay
Metrics
Cumulative Layout Shift23/100 0.425
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Speed Index49/100 2.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint65/100 1.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint86/100 1.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive100/100 1.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time100/100 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (12)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 1,713 KiB
1,400 ms
Properly size images
Potential savings of 822 KiB
640 ms
Eliminate render-blocking resources
Potential savings of 630 ms
630 ms
Reduce initial server response time
Root document took 780 ms
177 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
71 resources found
Avoid an excessive DOM size
1,179 elements
Avoid enormous network payloads
Total size was 3,056 KiB
Avoid chaining critical requests
15 chains found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
77 requests • 3,056 KiB
Avoid large layout shifts
5 elements found
Passed Audits (16)
Preload key requests
Remove unused JavaScript
Potential savings of 71 KiB
Preconnect to required origins
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Minify JavaScript
Potential savings of 8 KiB
Minimizes main-thread work
0.6 s
JavaScript execution time
0.1 s
Uses passive listeners to improve scrolling performance
Minify CSS
Enable text compression
Use video formats for animated content
Efficiently encode images
Avoids `document.write()`
Avoid multiple page redirects
Remove unused CSS
Potential savings of 14 KiB
Defer offscreen images
correios.com.br Desktop SEO
67/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Should Fix (4)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Image elements do not have `[alt]` attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
1 error found
Links are not crawlable
Passed Audits (8)
Document has a valid `hreflang`
Page has successful HTTP status code
Links have descriptive text
Document has a valid `rel=canonical`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page isn’t blocked from indexing
Document has a `<title>` element
Document avoids plugins
correios.com.br Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of correios.com.br page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (4)
Trust and Safety
Does not use HTTPS
74 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
7 vulnerabilities detected
Links to cross-origin destinations are unsafe
User Experience
Displays images with incorrect aspect ratio
Passed Audits (10)
Detected JavaScript libraries
Avoids requesting the geolocation permission on page load
Serves images with appropriate resolution
Avoids deprecated APIs
Page has the HTML doctype
Allows users to paste into password fields
Avoids Application Cache
Properly defines charset
No browser errors logged to the console
Avoids requesting the notification permission on page load
correios.com.br Desktop Progressive Web App
37/100
These checks validate the aspects of a Progressive Web App. Learn more. These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.
Should Fix (10)
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
PWA Optimized
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Does not provide a valid `apple-touch-icon`
Does not redirect HTTP traffic to HTTPS
Installable
Does not use HTTPS
74 insecure requests found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Passed Audits (3)
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
correios.com.br Desktop Accessibility
47/100
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Should Fix (7)
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
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.
Image elements do not have `[alt]` attributes
Form elements do not have associated labels
Links do not have a discernible name
Buttons do not have an accessible name
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Navigation
These are opportunities to improve keyboard navigation in your application.
`[id]` attributes on active, focusable elements are not unique
Passed Audits (10)
`<html>` element has a `[lang]` attribute
`<html>` element has a valid value for its `[lang]` attribute
The page contains a heading, skip link, or landmark region
Background and foreground colors have a sufficient contrast ratio
ARIA IDs are unique
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[aria-hidden="true"]` is not present on the document `<body>`
Heading elements appear in a sequentially-descending order
Document has a `<title>` element
`[accesskey]` values are unique
Desktop Speed
74/100
These checks analyze the performance of correios.com.br on desktop devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (5)
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Minify JavaScript
Minify HTML
Passed Audits (5)
Avoid landing page redirects
Enable compression
Reduce server response time
Minify CSS
Prioritize visible content
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