Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 0

    SEO

delphidiamonds.com.au

Wholesale Diamonds and Jewellers in Sydney, Australia

Page Load Speed

3 sec in total

First Response

727 ms

Resources Loaded

1.9 sec

Page Rendered

303 ms

delphidiamonds.com.au screenshot

About Website

Welcome to delphidiamonds.com.au homepage info - get ready to check Delphi Diamonds best content for Philippines right away, or after learning these important things about delphidiamonds.com.au

Australia’s premier diamond wholesalers and jewellers dealing in high quality GIA certified diamonds, offering one of the largest supplies in Australia. Visit our showroom to view or call us +61292832...

Visit delphidiamonds.com.au

Key Findings

We analyzed Delphidiamonds.com.au page load time and found that the first response time was 727 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

delphidiamonds.com.au performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.293

41/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

delphidiamonds.com.au

727 ms

responsive_mobile.css

101 ms

responsive_content.css

156 ms

responsive_menu.css

159 ms

style.css

160 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 95% of them (62 requests) were addressed to the original Delphidiamonds.com.au, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Pics.bluenile.com. The less responsive or slowest element that took the longest time to load (762 ms) belongs to the original domain Delphidiamonds.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 636.5 kB (59%)

Content Size

1.1 MB

After Optimization

448.3 kB

In fact, the total size of Delphidiamonds.com.au main page is 1.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 470.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 35.5 kB

  • Original 43.4 kB
  • After minification 40.1 kB
  • After compression 8.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.5 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 12.4 kB

  • Original 277.7 kB
  • After minification 265.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Delphi Diamonds images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 337.6 kB

  • Original 470.6 kB
  • After minification 388.3 kB
  • After compression 133.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 337.6 kB or 72% of the original size.

CSS Optimization

-86%

Potential reduce by 251.1 kB

  • Original 293.2 kB
  • After minification 278.0 kB
  • After compression 42.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Delphidiamonds.com.au needs all CSS files to be minified and compressed as it can save up to 251.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (48%)

Requests Now

60

After Optimization

31

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delphi Diamonds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

delphidiamonds.com.au accessibility score

59

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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.

Impact

Issue

High

<html> element does not have a [lang] attribute

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

delphidiamonds.com.au best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

delphidiamonds.com.au SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delphidiamonds.com.au can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Delphidiamonds.com.au main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Delphi Diamonds. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: