Nvsp.in
nvsp.in Mobile Performance
45/100
These metrics represent real-world Chrome users experience viewing nvsp.in 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.
Metrics
Largest Contentful Paint2/100 8.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index6/100 11.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint41/100 4.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive47/100 7.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Cumulative Layout Shift100/100 0.002
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Total Blocking Time100/100 70 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (17)
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 558 KiB
2,700 ms
Eliminate render-blocking resources
Potential savings of 2,050 ms
2,048 ms
Efficiently encode images
Potential savings of 401 KiB
1,950 ms
Remove unused CSS
Potential savings of 133 KiB
1,200 ms
Minify JavaScript
Potential savings of 142 KiB
750 ms
Reduce initial server response time
Root document took 1,060 ms
459 ms
Remove unused JavaScript
Potential savings of 107 KiB
450 ms
Defer offscreen images
Potential savings of 33 KiB
150 ms
Minify CSS
Potential savings of 27 KiB
150 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
28 resources found
Minimizes main-thread work
2.0 s
Avoid long main-thread tasks
15 long tasks found
Keep request counts low and transfer sizes small
42 requests • 1,514 KiB
Avoid large layout shifts
5 elements found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
32 chains found
Passed Audits (12)
Avoid multiple page redirects
Potential savings of 630 ms
Enable text compression
Properly size images
Minimize third-party usage
Third-party code blocked the main thread for 0 ms
Preload key requests
Avoids `document.write()`
Avoids an excessive DOM size
204 elements
JavaScript execution time
0.3 s
Avoids enormous network payloads
Total size was 1,514 KiB
Use video formats for animated content
Preconnect to required origins
Uses passive listeners to improve scrolling performance
nvsp.in Mobile SEO
69/100
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.
Image elements do not have `[alt]` attributes
Document doesn't have a `<title>` element
Document does not have a meta description
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
Request for robots.txt returned HTTP status: 500
Passed Audits (9)
Page isn’t blocked from indexing
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Document uses legible font sizes
100% legible text
Links are crawlable
Document avoids plugins
Document has a valid `hreflang`
Page has successful HTTP status code
Tap targets are sized appropriately
100% appropriately sized tap targets
nvsp.in Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of nvsp.in 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 (4)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
User Experience
Serves images with low resolution
Passed Audits (10)
Properly defines charset
Avoids Application Cache
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Avoids requesting the notification permission on page load
Detected JavaScript libraries
Allows users to paste into password fields
Displays images with correct aspect ratio
No browser errors logged to the console
Page has the HTML doctype
nvsp.in Mobile Progressive Web App
46/100
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)
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
PWA Optimized
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Does not provide a valid `apple-touch-icon`
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Passed Audits (5)
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Content is sized correctly for the viewport
Page load is fast enough on mobile networks
Redirects HTTP traffic to HTTPS
nvsp.in Mobile Accessibility
63/100
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 (6)
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
Document doesn't have a `<title>` element
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Passed Audits (9)
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
`[aria-hidden="true"]` elements do not contain focusable descendents
`[id]` attributes on active, focusable elements are unique
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Mobile Usability
100/100
These checks validate how easily a visitor can use nvsp.in 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).
Passed Audits (5)
Avoid plugins
Configure the viewport
Size content to viewport
Size tap targets appropriately
Use legible font sizes
Mobile Speed
60/100
These checks analyze the performance of nvsp.in 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 (7)
Leverage browser caching
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Minify JavaScript
Enable compression
Minify CSS
Minify HTML
Passed Audits (3)
Avoid landing page redirects
Reduce server response time
Prioritize visible content
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