Sat.gob.mx Portal de trámites y servicios - SAT
Portal de trámites y servicios sat
sat.gob.mx Desktop Performance
70/100
These metrics represent real-world Chrome users experience viewing sat.gob.mx 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
First Input Delay
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
Metrics
First Contentful Paint26/100 2.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Largest Contentful Paint53/100 2.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index59/100 2.1 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive93/100 2.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift97/100 0.063
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (14)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 1,340 ms
1,340 ms
Avoid multiple page redirects
Potential savings of 420 ms
420 ms
Properly size images
Potential savings of 290 KiB
240 ms
Serve images in next-gen formats
Potential savings of 318 KiB
240 ms
Remove unused JavaScript
Potential savings of 125 KiB
80 ms
Efficiently encode images
Potential savings of 99 KiB
80 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
Does not use passive listeners to improve scrolling performance
Serve static assets with an efficient cache policy
48 resources found
Largest Contentful Paint element
1 element found
Keep request counts low and transfer sizes small
52 requests • 1,222 KiB
Avoid chaining critical requests
31 chains found
Avoid large layout shifts
5 elements found
Avoid long main-thread tasks
2 long tasks found
Passed Audits (15)
JavaScript execution time
0.1 s
Initial server response time was short
Root document took 90 ms
Avoids enormous network payloads
Total size was 1,222 KiB
Minimizes main-thread work
0.6 s
Avoids an excessive DOM size
572 elements
Defer offscreen images
Enable text compression
Remove unused CSS
Minify CSS
Potential savings of 3 KiB
Minify JavaScript
Potential savings of 5 KiB
Preconnect to required origins
Preload key requests
Use video formats for animated content
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Avoids `document.write()`
sat.gob.mx Desktop SEO
73/100
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 (3)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
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
Links are not crawlable
Passed Audits (8)
Document avoids plugins
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Page isn’t blocked from indexing
Page has successful HTTP status code
Document has a meta description
Document has a valid `hreflang`
Document has a `<title>` element
sat.gob.mx Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of sat.gob.mx 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 (3)
Trust and Safety
Links to cross-origin destinations are unsafe
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
8 vulnerabilities detected
Passed Audits (11)
Allows users to paste into password fields
Detected JavaScript libraries
No browser errors logged to the console
Displays images with correct aspect ratio
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Avoids Application Cache
Properly defines charset
Avoids requesting the notification permission on page load
Page has the HTML doctype
Serves images with appropriate resolution
sat.gob.mx Desktop Progressive Web App
44/100
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 (9)
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
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Passed Audits (4)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
sat.gob.mx Desktop Accessibility
87/100
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 (2)
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
Passed Audits (21)
`[aria-hidden="true"]` elements do not contain focusable descendents
`[aria-*]` attributes match their roles
`[role]`s are contained by their required parent element
`[aria-*]` attributes are valid and not misspelled
Background and foreground colors have a sufficient contrast ratio
Heading elements appear in a sequentially-descending order
`<html>` element has a `[lang]` attribute
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[role]` values are valid
`[id]` attributes on active, focusable elements are unique
`[aria-*]` attributes have valid values
ARIA IDs are unique
The page contains a heading, skip link, or landmark region
`[role]`s have all required `[aria-*]` attributes
Document has a `<title>` element
`[aria-hidden="true"]` is not present on the document `<body>`
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Links have a discernible name
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<html>` element has a valid value for its `[lang]` attribute
Desktop Speed
71/100
These checks analyze the performance of sat.gob.mx 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 (7)
Leverage browser caching
Avoid landing page redirects
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Minify JavaScript
Minify CSS
Minify HTML
Passed Audits (3)
Enable compression
Reduce server response time
Prioritize visible content
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