17track.net ALL-IN-ONE PACKAGE TRACKING | 17TRACK
17TRACK is the most powerful and inclusive package tracking platform. It enables to track over 170+ postal carriers for registered mail, parcel, EMS a...
17track.net Mobile Performance
10/100
These metrics represent real-world Chrome users experience viewing 17track.net on mobile devices. 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
Largest Contentful Paint
First Contentful Paint
First Input Delay
Cumulative Layout Shift
Metrics
Largest Contentful Paint0/100 11.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Total Blocking Time1/100 2,260 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Speed Index5/100 11.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive6/100 15.9 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
First Contentful Paint19/100 5.8 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (21)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 254 KiB
1,970 ms
Reduce initial server response time
Root document took 2,070 ms
1,469 ms
Remove unused CSS
Potential savings of 134 KiB
1,230 ms
Eliminate render-blocking resources
Potential savings of 1,080 ms
1,080 ms
Defer offscreen images
Potential savings of 46 KiB
600 ms
Serve images in next-gen formats
Potential savings of 23 KiB
330 ms
Preload key requests
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Reduce the impact of third-party code
Third-party code blocked the main thread for 960 ms
Does not use passive listeners to improve scrolling performance
Avoid an excessive DOM size
3,188 elements
Minimize main-thread work
9.2 s
Reduce JavaScript execution time
4.8 s
Serve static assets with an efficient cache policy
4 resources found
Largest Contentful Paint element
1 element found
User Timing marks and measures
14 user timings
Avoid long main-thread tasks
20 long tasks found
Avoid chaining critical requests
54 chains found
Keep request counts low and transfer sizes small
114 requests • 1,794 KiB
Avoid large layout shifts
1 element found
Passed Audits (9)
Preconnect to required origins
Minify JavaScript
Enable text compression
Use video formats for animated content
Avoid multiple page redirects
Efficiently encode images
Properly size images
Avoids enormous network payloads
Total size was 1,794 KiB
Minify CSS
17track.net Mobile SEO
92/100
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 (1)
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (12)
Links have descriptive text
robots.txt is valid
Page isn’t blocked from indexing
Image elements have `[alt]` attributes
Document has a `<title>` element
Page has successful HTTP status code
Document has a valid `hreflang`
Tap targets are sized appropriately
100% appropriately sized tap targets
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document has a meta description
Document avoids plugins
Document uses legible font sizes
86.59% legible text
17track.net Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of 17track.net mobile 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
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Passed Audits (11)
No browser errors logged to the console
Page has the HTML doctype
Detected JavaScript libraries
Serves images with appropriate resolution
Avoids deprecated APIs
Avoids Application Cache
Properly defines charset
Avoids requesting the notification permission on page load
Allows users to paste into password fields
Displays images with correct aspect ratio
Avoids requesting the geolocation permission on page load
17track.net Mobile Progressive Web App
25/100
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)
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
Installable
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 15.9 s
Passed Audits (5)
Content is sized correctly for the viewport
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Provides a valid `apple-touch-icon`
17track.net Mobile Accessibility
78/100
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 (4)
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.
Links do not have a discernible name
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
Passed Audits (16)
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` elements do not contain focusable descendents
`<frame>` or `<iframe>` elements have a title
Image elements have `[alt]` attributes
Document has a `<title>` element
`[aria-hidden="true"]` is not present on the document `<body>`
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
`[role]`s are contained by their required parent element
`<html>` element has a `[lang]` attribute
No element has a `[tabindex]` value greater than 0
`<html>` element has a valid value for its `[lang]` attribute
`[role]` values are valid
`[id]` attributes on active, focusable elements are unique
`[role]`s have all required `[aria-*]` attributes
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Mobile Usability
97/100
These checks validate how easily a visitor can use 17track.net on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
45/100
These checks analyze the performance of 17track.net on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (4)
Avoid landing page redirects
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Prioritize visible content
Leverage browser caching
Passed Audits (6)
Enable compression
Reduce server response time
Minify CSS
Minify HTML
Minify JavaScript
Optimize images
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