Tools & Wizards About Us
ngkspark.co.nz screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ngkspark.co.nz

Home - NGK Spark Plugs New Zealand | Iridium Spark Plugs | Glow Plugs | Oxygen Sensors | Ignition Leads | Ignition Coils | EGT Sensors : NGK Spark Plu...

Page Load Speed

12.5 sec in total

First Response

475 ms

Resources Loaded

11.5 sec

Page Rendered

476 ms

ngkspark.co.nz screenshot

About Website

Click here to check amazing NGK Spark content for New Zealand. Otherwise, check out these important facts you probably never knew about ngkspark.co.nz

With over 80 years of experience in Spark Plug manufacturing, NGK are world leaders in spark plug technology. Don't just ask for a spark plug, insist on NGK.

Visit ngkspark.co.nz

Key Findings

We analyzed Ngkspark.co.nz page load time and found that the first response time was 475 ms and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ngkspark.co.nz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value27.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,320 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.984

2/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

ngkspark.co.nz

475 ms

ngkspark.co.nz

1406 ms

www.ngkspark.co.nz

2150 ms

1693823482-css96d00d4e8cf3bb1c3607b1066f82b56602032183d146ac5ba88218e2b5e6b.css

918 ms

1693823482-cssdc27bd7c2327a73c711c8ec7bb17b235fb10c27164c1b40329b9de10e549f.css

690 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 82% of them (84 requests) were addressed to the original Ngkspark.co.nz, 7% (7 requests) were made to Use.typekit.net and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Ngkspark.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 562.4 kB (27%)

Content Size

2.1 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ngkspark.co.nz main page is 2.1 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. 50% of websites need less resources to load. Images take 856.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 555.4 kB

  • Original 628.9 kB
  • After minification 628.9 kB
  • After compression 73.5 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 555.4 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 739 B

  • Original 856.5 kB
  • After minification 855.8 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. NGK Spark images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.0 kB

  • Original 468.6 kB
  • After minification 468.6 kB
  • After compression 463.6 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 1.2 kB

  • Original 106.2 kB
  • After minification 106.2 kB
  • After compression 105.0 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. Ngkspark.co.nz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 78 (84%)

Requests Now

93

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NGK Spark. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ngkspark.co.nz

ngkspark.co.nz

475 ms

ngkspark.co.nz

ngkspark.co.nz

1406 ms

www.ngkspark.co.nz

www.ngkspark.co.nz

2150 ms

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918 ms

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690 ms

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895 ms

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683 ms

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688 ms

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238 ms

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247 ms

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1335 ms

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1568 ms

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2703 ms

jquery.min.js

jquery.min.js

2909 ms

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jquery-migrate.min.js

2086 ms

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2755 ms

ent1dao.js

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113 ms

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2047 ms

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2056 ms

viewport-units-buggyfill.js

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2821 ms

bootstrap.min.js

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2819 ms

slick.min.js

slick.min.js

2091 ms

api.js

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46 ms

svg-injector.min.js

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2087 ms

epicup-library.js

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2787 ms

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2472 ms

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2717 ms

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2706 ms

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2728 ms

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2197 ms

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2011 ms

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2916 ms

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2762 ms

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2761 ms

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2114 ms

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2136 ms

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2180 ms

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2434 ms

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2720 ms

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Accessibility Review

ngkspark.co.nz accessibility score

66

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

[role]s are not contained by their required parent element

High

ARIA toggle fields do not have accessible names

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.

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>).

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

ngkspark.co.nz best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

ngkspark.co.nz SEO score

77

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Ngkspark.co.nz 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 Ngkspark.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

ngkspark.co.nz

Open Graph description is not detected on the main page of NGK Spark. 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: