Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

booster.co.nz

Booster | KiwiSaver, Investments, UK Pensions and money know-how

Page Load Speed

136 ms in total

First Response

27 ms

Resources Loaded

39 ms

Page Rendered

70 ms

booster.co.nz screenshot

About Website

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

Booster is an investment manager, superannuation and default KiwiSaver scheme provider. We offer ethical, New Zealand and specialist investment options.

Visit booster.co.nz

Key Findings

We analyzed Booster.co.nz page load time and found that the first response time was 27 ms and then it took 109 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. This domain responded with an error, which can significantly jeopardize Booster.co.nz rating and web reputation

Performance Metrics

booster.co.nz performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

booster.co.nz

27 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Booster.co.nz and no external sources were called. The less responsive or slowest element that took the longest time to load (27 ms) belongs to the original domain Booster.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.2 kB (9%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Booster.co.nz main page is 1.2 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 687.7 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 1.0 kB

  • Original 2.1 kB
  • After minification 2.0 kB
  • After compression 1.1 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 1.0 kB or 48% of the original size.

Image Optimization

-0%

Potential reduce by 559 B

  • Original 687.7 kB
  • After minification 687.1 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. Booster images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 93.0 kB

  • Original 419.9 kB
  • After minification 416.9 kB
  • After compression 326.9 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 93.0 kB or 22% of the original size.

CSS Optimization

-14%

Potential reduce by 5.6 kB

  • Original 40.5 kB
  • After minification 38.4 kB
  • After compression 34.9 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. Booster.co.nz needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

booster.co.nz accessibility score

81

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-*] attributes do not match their roles

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

booster.co.nz best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

booster.co.nz SEO score

86

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

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Booster.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 Booster.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 Booster. 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: