Diamondglass.com.sg Diamond Glass | Diamond Glass Enterprises

Diamondglass.com.sg Desktop Performance

diamondglass.com.sg Desktop Performance

62/100

These metrics represent real-world Chrome users experience viewing diamondglass.com.sg 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.

Metrics

Speed Index31/100 2.9 s

Speed Index shows how quickly the contents of a page are visibly populated. Learn more.

First Contentful Paint39/100 1.8 s

First Contentful Paint marks the time at which the first text or image is painted. Learn more.

Cumulative Layout Shift43/100 0.282

Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.

Time to Interactive55/100 4.2 s

Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.

Largest Contentful Paint69/100 1.8 s

Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More

Total Blocking Time95/100 120 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.

Should Fix (20)

Opportunities

These suggestions can help your page load faster. They don't directly affect the Performance score.

Eliminate render-blocking resources

Potential savings of 2,120 ms

2,120 ms

Remove unused JavaScript

Potential savings of 759 KiB

1,420 ms

Enable text compression

Potential savings of 506 KiB

1,360 ms

Remove unused CSS

Potential savings of 173 KiB

400 ms

Minify JavaScript

Potential savings of 157 KiB

320 ms

Reduce initial server response time

Root document took 910 ms

314 ms

Serve images in next-gen formats

Potential savings of 402 KiB

240 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

Reduce the impact of third-party code

Third-party code blocked the main thread for 350 ms

Does not use passive listeners to improve scrolling performance

Serve static assets with an efficient cache policy

77 resources found

Avoid enormous network payloads

Total size was 3,824 KiB

Minimize main-thread work

2.4 s

JavaScript execution time

1.1 s

Keep request counts low and transfer sizes small

124 requests • 3,824 KiB

Avoid chaining critical requests

28 chains found

Largest Contentful Paint element

1 element found

User Timing marks and measures

12 user timings

Avoid long main-thread tasks

11 long tasks found

Avoid large layout shifts

5 elements found

Passed Audits (10)

Minify CSS

Potential savings of 24 KiB

Avoid multiple page redirects

Properly size images

Potential savings of 70 KiB

Preconnect to required origins

Efficiently encode images

Potential savings of 20 KiB

Avoids an excessive DOM size

454 elements

Defer offscreen images

Preload key requests

Use video formats for animated content

Avoids `document.write()`

Diamondglass.com.sg Desktop SEO

diamondglass.com.sg Desktop SEO

82/100

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 (2)

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 does not have a meta description

Passed Audits (9)

Document avoids plugins

Links have descriptive text

robots.txt is valid

Page isn’t blocked from indexing

Links are crawlable

Document has a valid `hreflang`

Page has successful HTTP status code

Document has a `<title>` element

Has a `<meta name="viewport">` tag with `width` or `initial-scale`

Diamondglass.com.sg Desktop Best Practices

diamondglass.com.sg Desktop Best Practices

62/100

These checks highlight opportunities to improve the overall code health of diamondglass.com.sg 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 (5)

Trust and Safety

Links to cross-origin destinations are unsafe

Includes front-end JavaScript libraries with known security vulnerabilities

5 vulnerabilities detected

Does not use HTTPS

76 insecure requests found

User Experience

Displays images with incorrect aspect ratio

General

Browser errors were logged to the console

Passed Audits (9)

Page has the HTML doctype

Avoids requesting the geolocation permission on page load

Serves images with appropriate resolution

Properly defines charset

Avoids requesting the notification permission on page load

Detected JavaScript libraries

Allows users to paste into password fields

Avoids Application Cache

Avoids deprecated APIs

Diamondglass.com.sg Desktop Progressive Web App

diamondglass.com.sg Desktop Progressive Web App

11/100

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 (11)

Fast and reliable

Current page does not respond with a 200 when offline

`start_url` does not respond with a 200 when offline

Page load is not fast enough on mobile networks

Interactive on simulated mobile network at 23.3 s

PWA Optimized

Does not set a theme color for the address bar.

Does not provide a valid `apple-touch-icon`

Is not configured for a custom splash screen

Manifest doesn't have a maskable icon

Does not redirect HTTP traffic to HTTPS

Installable

Does not register a service worker that controls page and `start_url`

Web app manifest does not meet the installability requirements

Does not use HTTPS

76 insecure requests found

Passed Audits (2)

Contains some content when JavaScript is not available

Has a `<meta name="viewport">` tag with `width` or `initial-scale`

Diamondglass.com.sg Desktop Accessibility

diamondglass.com.sg Desktop Accessibility

75/100

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)

Navigation

These are opportunities to improve keyboard navigation in your application.

Heading elements are not in a sequentially-descending order

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.

Buttons do not have an accessible name

Image elements do not have `[alt]` attributes

Form elements do not have associated labels

`<frame>` or `<iframe>` elements do not have a title

Links do not have a discernible name

Passed Audits (18)

`[role]`s are contained by their required parent element

`[aria-*]` attributes have valid values

Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.

`[aria-*]` attributes are valid and not misspelled

List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements

`[aria-*]` attributes match their roles

`<html>` element has a `[lang]` attribute

`[role]`s have all required `[aria-*]` attributes

`[role]` values are valid

`[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

Background and foreground colors have a sufficient contrast ratio

Document has a `<title>` element

`[lang]` attributes have a valid value

`[id]` attributes on active, focusable elements are unique

The page contains a heading, skip link, or landmark region

`[aria-hidden="true"]` is not present on the document `<body>`

Diamondglass.com.sg Desktop PageSpeed

Desktop Speed

49/100

These checks analyze the performance of diamondglass.com.sg 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 (8)

Enable compression

Leverage browser caching

Minify JavaScript

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Optimize images

Prioritize visible content

Minify CSS

Minify HTML

Passed Audits (2)

Avoid landing page redirects

Reduce server response time

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