Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

supercheapauto.co.nz

Supercheap Auto New Zealand | Buy Auto Spares and Parts Online

Page Load Speed

10.4 sec in total

First Response

1.8 sec

Resources Loaded

8.3 sec

Page Rendered

313 ms

supercheapauto.co.nz screenshot

About Website

Welcome to supercheapauto.co.nz homepage info - get ready to check Supercheap Auto best content for New Zealand right away, or after learning these important things about supercheapauto.co.nz

Supercheap Auto is New Zealand's leading auto spares, parts and accessories retailer stocking a variety of car batteries, air filters, coolants and more online or in stores nationwide

Visit supercheapauto.co.nz

Key Findings

We analyzed Supercheapauto.co.nz page load time and found that the first response time was 1.8 sec and then it took 8.6 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

supercheapauto.co.nz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.3 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value16,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value42.2 s

0/100

10%

Network Requests Diagram

www.supercheapauto.co.nz

1818 ms

jquery-1.9.1.min.js

1036 ms

jquery-migrate-1.2.1.js

794 ms

css

1309 ms

EmbeddedResources

537 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 22% of them (27 requests) were addressed to the original Supercheapauto.co.nz, 56% (70 requests) were made to Media.supercheapauto.com.au and 2% (3 requests) were made to Supercheapauto-nz.resultspage.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Media.supercheapauto.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (36%)

Content Size

3.2 MB

After Optimization

2.1 MB

In fact, the total size of Supercheapauto.co.nz main page is 3.2 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. 60% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 435.6 kB

  • Original 494.6 kB
  • After minification 466.1 kB
  • After compression 59.0 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 435.6 kB or 88% of the original size.

Image Optimization

-8%

Potential reduce by 170.6 kB

  • Original 2.0 MB
  • After minification 1.8 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. Supercheap Auto images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 124.0 kB

  • Original 213.4 kB
  • After minification 185.2 kB
  • After compression 89.4 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 124.0 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 424.2 kB

  • Original 513.5 kB
  • After minification 512.3 kB
  • After compression 89.3 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. Supercheapauto.co.nz needs all CSS files to be minified and compressed as it can save up to 424.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (35%)

Requests Now

122

After Optimization

79

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supercheap Auto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

supercheapauto.co.nz 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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

supercheapauto.co.nz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

supercheapauto.co.nz SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supercheapauto.co.nz 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 Supercheapauto.co.nz 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 Supercheap Auto. 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: