Tools & Wizards About Us
centennialcoal.com.au screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

centennialcoal.com.au

Mining Company With Integrated Energy Solutions: Centennial

Page Load Speed

7.3 sec in total

First Response

644 ms

Resources Loaded

6.5 sec

Page Rendered

198 ms

centennialcoal.com.au screenshot

About Website

Visit centennialcoal.com.au now to see the best up-to-date Centennial Coal content for Australia and also check out these interesting facts you probably never knew about centennialcoal.com.au

Centennial is an Australian mining company delivering integrated energy solutions in partnership with Banpu. Discover our superior service.

Visit centennialcoal.com.au

Key Findings

We analyzed Centennialcoal.com.au page load time and found that the first response time was 644 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

centennialcoal.com.au performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

centennialcoal.com.au

644 ms

www.centennialcoal.com.au

1990 ms

style.min.css

208 ms

styles.css

414 ms

js_composer.min.css

1029 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 76% of them (48 requests) were addressed to the original Centennialcoal.com.au, 16% (10 requests) were made to B2203523.smushcdn.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Centennialcoal.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.0 kB (15%)

Content Size

470.1 kB

After Optimization

399.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centennialcoal.com.au main page is 470.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. CSS take 194.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 65.0 kB

  • Original 79.4 kB
  • After minification 77.2 kB
  • After compression 14.4 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 65.0 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 9.3 kB
  • After minification 9.3 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. Centennial Coal images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.1 kB

  • Original 186.9 kB
  • After minification 186.9 kB
  • After compression 184.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 3.8 kB

  • Original 194.5 kB
  • After minification 194.5 kB
  • After compression 190.6 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. Centennialcoal.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 48 (89%)

Requests Now

54

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centennial Coal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centennialcoal.com.au

centennialcoal.com.au

644 ms

www.centennialcoal.com.au

www.centennialcoal.com.au

1990 ms

style.min.css

style.min.css

208 ms

styles.css

styles.css

414 ms

js_composer.min.css

js_composer.min.css

1029 ms

ave-core.min.css

ave-core.min.css

619 ms

liquid-icon.min.css

liquid-icon.min.css

620 ms

font-awesome.min.css

font-awesome.min.css

622 ms

bootstrap.min.css

bootstrap.min.css

630 ms

jquery-ui.css

jquery-ui.css

628 ms

fresco.css

fresco.css

826 ms

lity.min.css

lity.min.css

824 ms

style.css

style.css

825 ms

theme.min.css

theme.min.css

1255 ms

css

css

40 ms

liquid-css-30.css

liquid-css-30.css

836 ms

liquid-responsive-100.css

liquid-responsive-100.css

1052 ms

style.min.css

style.min.css

1057 ms

jquery.min.js

jquery.min.js

1235 ms

jquery-migrate.min.js

jquery-migrate.min.js

1058 ms

script.min.js

script.min.js

1233 ms

js

js

65 ms

v4-shims.min.css

v4-shims.min.css

1233 ms

all.min.css

all.min.css

1408 ms

hooks.min.js

hooks.min.js

1576 ms

i18n.min.js

i18n.min.js

1586 ms

index.js

index.js

1587 ms

index.js

index.js

1587 ms

script.min.js

script.min.js

1587 ms

js_composer_front.min.js

js_composer_front.min.js

1587 ms

SplitText.min.js

SplitText.min.js

1783 ms

fresco.js

fresco.js

1795 ms

lity.min.js

lity.min.js

1780 ms

vivus.min.js

vivus.min.js

1781 ms

StackBlur.js

StackBlur.js

1799 ms

bootstrap.min.js

bootstrap.min.js

1800 ms

intersection-observer.js

intersection-observer.js

1985 ms

imagesloaded.min.js

imagesloaded.min.js

1986 ms

jquery-ui.min.js

jquery-ui.min.js

1998 ms

anime.min.js

anime.min.js

1804 ms

ScrollMagic.min.js

ScrollMagic.min.js

1602 ms

fontfaceobserver.js

fontfaceobserver.js

1397 ms

lazyload.min.js

lazyload.min.js

1576 ms

tinycolor-min.js

tinycolor-min.js

1576 ms

theme.min.js

theme.min.js

1587 ms

gtm.js

gtm.js

110 ms

logo-mobile-01.png

logo-mobile-01.png

272 ms

logo-02.png

logo-02.png

313 ms

streamline-icon-heavy-equipment-truck@64x64.png

streamline-icon-heavy-equipment-truck@64x64.png

340 ms

streamline-icon-multiple-users-1@64x64.png

streamline-icon-multiple-users-1@64x64.png

339 ms

streamline-icon-cash-payment-coin-stash@64x64.png

streamline-icon-cash-payment-coin-stash@64x64.png

312 ms

streamline-icon-cash-payment-coin@64x64.png

streamline-icon-cash-payment-coin@64x64.png

311 ms

streamline-icon-share-location-hand@64x64.png

streamline-icon-share-location-hand@64x64.png

338 ms

streamline-icon-earth-3@64x64.png

streamline-icon-earth-3@64x64.png

340 ms

Sustainability-Logo.png

Sustainability-Logo.png

345 ms

streamline-icon-medical-app-laptop@64x64.png

streamline-icon-medical-app-laptop@64x64.png

354 ms

css-vars-ponyfill.min.js

css-vars-ponyfill.min.js

1211 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFnOkEk30e0.ttf

68 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

69 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1074 ms

fa-solid-900.woff

fa-solid-900.woff

850 ms

fa-regular-400.woff

fa-regular-400.woff

829 ms

fa-brands-400.woff

fa-brands-400.woff

1239 ms

Accessibility Review

centennialcoal.com.au accessibility score

73

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

centennialcoal.com.au best practices score

75

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

Page has valid source maps

SEO Factors

centennialcoal.com.au SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centennialcoal.com.au can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Centennialcoal.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

centennialcoal.com.au

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: