Tools & Wizards About Us
shop.coles.com.au screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

shop.coles.com.au

Shop groceries online | Coles Supermarket

Page Load Speed

4.3 sec in total

First Response

291 ms

Resources Loaded

1.7 sec

Page Rendered

2.3 sec

shop.coles.com.au screenshot

About Website

Welcome to shop.coles.com.au homepage info - get ready to check Shop Coles best content for Australia right away, or after learning these important things about shop.coles.com.au

Shop your way at Coles. Our range of groceries, deli, meat, fresh fruit and vegetables at everyday low prices you know and trust. Shop online and get home delivery or click and collect.

Visit shop.coles.com.au

Key Findings

We analyzed Shop.coles.com.au page load time and found that the first response time was 291 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

shop.coles.com.au performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value26.1 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value14,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value36.3 s

0/100

10%

Network Requests Diagram

shop.coles.com.au

291 ms

home

259 ms

www.coles.com.au

162 ms

ewelcome-awakes-flowes-that-La-Warry-ares-Like-n

31 ms

a7d30ff6b022d0c8.css

27 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Shop.coles.com.au, 95% (57 requests) were made to Coles.com.au and 2% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (945 ms) relates to the external source Coles.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (77%)

Content Size

1.3 MB

After Optimization

312.2 kB

  • HTML
  • JavaScript

In fact, the total size of Shop.coles.com.au main page is 1.3 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. Only a small number of websites need less resources to load. Javascripts take 754.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 449.6 kB

  • Original 581.3 kB
  • After minification 581.2 kB
  • After compression 131.7 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 449.6 kB or 77% of the original size.

JavaScript Optimization

-76%

Potential reduce by 573.7 kB

  • Original 754.2 kB
  • After minification 754.2 kB
  • After compression 180.5 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 573.7 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (18%)

Requests Now

55

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Coles. 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 as a result speed up the page load time.

Network Requests Diagram

shop.coles.com.au

shop.coles.com.au

291 ms

home

home

259 ms

www.coles.com.au

www.coles.com.au

162 ms

ewelcome-awakes-flowes-that-La-Warry-ares-Like-n

ewelcome-awakes-flowes-that-La-Warry-ares-Like-n

31 ms

a7d30ff6b022d0c8.css

a7d30ff6b022d0c8.css

27 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

134 ms

launch-3482e2af0e30.min.js

launch-3482e2af0e30.min.js

166 ms

webpack-d67bedab004f9d80.js

webpack-d67bedab004f9d80.js

131 ms

framework-d5a47cde1834457f.js

framework-d5a47cde1834457f.js

150 ms

main-211c2becec095a47.js

main-211c2becec095a47.js

131 ms

_app-b9ca93763990c60d.js

_app-b9ca93763990c60d.js

181 ms

index-e6635529e195e8f8.js

index-e6635529e195e8f8.js

163 ms

_buildManifest.js

_buildManifest.js

945 ms

_ssgManifest.js

_ssgManifest.js

940 ms

image

image

163 ms

image

image

483 ms

image

image

164 ms

image

image

182 ms

image

image

181 ms

image

image

182 ms

image

image

185 ms

image

image

183 ms

image

image

184 ms

image

image

185 ms

image

image

186 ms

image

image

187 ms

image

image

186 ms

image

image

187 ms

image

image

187 ms

image

image

188 ms

image

image

189 ms

image

image

189 ms

image

image

189 ms

image

image

191 ms

image

image

192 ms

image

image

200 ms

image

image

201 ms

image

image

195 ms

image

image

202 ms

image

image

179 ms

image

image

178 ms

image

image

98 ms

_Incapsula_Resource

_Incapsula_Resource

99 ms

image

image

125 ms

image

image

123 ms

image

image

112 ms

image

image

100 ms

image

image

100 ms

image

image

101 ms

image

image

84 ms

image

image

83 ms

image

image

84 ms

image

image

84 ms

image

image

84 ms

image

image

83 ms

image

image

95 ms

australia-cta-banner-100x100px.svg

australia-cta-banner-100x100px.svg

82 ms

SourceSansPro-Regular.ttf

SourceSansPro-Regular.ttf

535 ms

SourceSansPro-SemiBold.ttf

SourceSansPro-SemiBold.ttf

307 ms

_Incapsula_Resource

_Incapsula_Resource

59 ms

Accessibility Review

shop.coles.com.au accessibility score

100

Accessibility Issues

Best Practices

shop.coles.com.au best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

shop.coles.com.au SEO score

90

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 Shop.coles.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 Shop.coles.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

shop.coles.com.au

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