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costa.com.au screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

costa.com.au

Air Conditioning and Electrical Penrith | J&M Costa

Page Load Speed

10.3 sec in total

First Response

2.5 sec

Resources Loaded

7.1 sec

Page Rendered

696 ms

costa.com.au screenshot

About Website

Click here to check amazing Costa content. Otherwise, check out these important facts you probably never knew about costa.com.au

At J&M Costa, we pride ourselves on exceptional customer service and superior installations using only the highest quality products

Visit costa.com.au

Key Findings

We analyzed Costa.com.au page load time and found that the first response time was 2.5 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

costa.com.au performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

www.costa.com.au

2460 ms

style.min.css

453 ms

theme.min.css

682 ms

header-footer.min.css

695 ms

frontend-lite.min.css

911 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 58% of them (52 requests) were addressed to the original Costa.com.au, 27% (24 requests) were made to Fonts.gstatic.com and 8% (7 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Costa.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.4 kB (6%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Costa.com.au main page is 1.7 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 86.0 kB

  • Original 102.7 kB
  • After minification 98.8 kB
  • After compression 16.8 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 86.0 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 12.8 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Costa images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 188 B

  • Original 166.8 kB
  • After minification 166.8 kB
  • After compression 166.6 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

-1%

Potential reduce by 418 B

  • Original 60.0 kB
  • After minification 60.0 kB
  • After compression 59.6 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. Costa.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (73%)

Requests Now

63

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Costa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.costa.com.au

www.costa.com.au

2460 ms

style.min.css

style.min.css

453 ms

theme.min.css

theme.min.css

682 ms

header-footer.min.css

header-footer.min.css

695 ms

frontend-lite.min.css

frontend-lite.min.css

911 ms

post-5.css

post-5.css

685 ms

elementor-icons.min.css

elementor-icons.min.css

683 ms

swiper.min.css

swiper.min.css

686 ms

frontend-lite.min.css

frontend-lite.min.css

917 ms

global.css

global.css

920 ms

post-34.css

post-34.css

919 ms

post-52.css

post-52.css

922 ms

post-138.css

post-138.css

923 ms

general.min.css

general.min.css

1140 ms

css

css

46 ms

fontawesome.min.css

fontawesome.min.css

1141 ms

solid.min.css

solid.min.css

1147 ms

regular.min.css

regular.min.css

1148 ms

js

js

103 ms

jquery.min.js

jquery.min.js

1374 ms

jquery-migrate.min.js

jquery-migrate.min.js

1196 ms

widget-icon-list.min.css

widget-icon-list.min.css

1368 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

1154 ms

trustindex-google-widget.css

trustindex-google-widget.css

1259 ms

animations.min.css

animations.min.css

1258 ms

hello-frontend.min.js

hello-frontend.min.js

1256 ms

general.min.js

general.min.js

1392 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

1442 ms

loader.js

loader.js

21 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

1440 ms

webpack.runtime.min.js

webpack.runtime.min.js

1434 ms

frontend-modules.min.js

frontend-modules.min.js

1649 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

1444 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

1611 ms

wp-polyfill.min.js

wp-polyfill.min.js

1843 ms

hooks.min.js

hooks.min.js

1666 ms

i18n.min.js

i18n.min.js

1638 ms

frontend.min.js

frontend.min.js

1665 ms

waypoints.min.js

waypoints.min.js

1839 ms

core.min.js

core.min.js

1868 ms

frontend.min.js

frontend.min.js

1697 ms

elements-handlers.min.js

elements-handlers.min.js

1464 ms

logo.svg

logo.svg

72 ms

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160 ms

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249 ms

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291 ms

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200 ms

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155 ms

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339 ms

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356 ms

Costa-Air-Logo.png

Costa-Air-Logo.png

940 ms

modern-living-room-with-sofa-air-conditioner.jpg

modern-living-room-with-sofa-air-conditioner.jpg

2009 ms

Costa-About-1024x777.jpg

Costa-About-1024x777.jpg

1345 ms

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1590 ms

Serene2_Product_Thumbnails.webp

Serene2_Product_Thumbnails.webp

1188 ms

the-importance-of-servicing-your-air-conditioner-regularly-2-1024x683.jpg

the-importance-of-servicing-your-air-conditioner-regularly-2-1024x683.jpg

1192 ms

Residential-Electrical-Services-1024x682.jpg

Residential-Electrical-Services-1024x682.jpg

1397 ms

elec-1024x684.jpg

elec-1024x684.jpg

1652 ms

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Unity-IQ-Hero_Cropped_3-1.webp

2101 ms

ActronAir-Horizontal-CMYK_No-R-1024x174-1-1.png

ActronAir-Horizontal-CMYK_No-R-1024x174-1-1.png

1574 ms

Costa-Air-Logo.png

Costa-Air-Logo.png

1854 ms

f.svg

f.svg

27 ms

h.svg

h.svg

28 ms

icon.svg

icon.svg

29 ms

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73 ms

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85 ms

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Accessibility Review

costa.com.au accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

costa.com.au best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

costa.com.au SEO score

89

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Costa.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 Costa.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

costa.com.au

Open Graph data is detected on the main page of Costa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: