Tools & Wizards About Us
mairangiswimschool.co.nz screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

mairangiswimschool.co.nz

Mairangi Swim School - North Shore's Renowned Swim School

Page Load Speed

9.8 sec in total

First Response

814 ms

Resources Loaded

8.7 sec

Page Rendered

271 ms

mairangiswimschool.co.nz screenshot

About Website

Welcome to mairangiswimschool.co.nz homepage info - get ready to check Mairangi Swim School best content right away, or after learning these important things about mairangiswimschool.co.nz

Mairangi Swim School is a family-orientated water confidence and learn-to-swim school specialising in the North Shore area. We are a well established school with up-to-date ideas.

Visit mairangiswimschool.co.nz

Key Findings

We analyzed Mairangiswimschool.co.nz page load time and found that the first response time was 814 ms and then it took 9 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

mairangiswimschool.co.nz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

mairangiswimschool.co.nz

814 ms

www.mairangiswimschool.co.nz

1875 ms

template_style.css

2601 ms

page_style.css

4079 ms

zest_controller.js

601 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 19% of them (6 requests) were addressed to the original Mairangiswimschool.co.nz, 56% (18 requests) were made to Zdn.nz and 16% (5 requests) were made to Secure.zeald.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Mairangiswimschool.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.3 kB (4%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mairangiswimschool.co.nz main page is 1.1 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. 20% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.9 kB

  • Original 34.3 kB
  • After minification 33.1 kB
  • After compression 8.5 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 25.9 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 3.7 kB

  • Original 1.0 MB
  • After minification 1.0 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. Mairangi Swim School images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 2.9 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 5.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.9 kB or 34% of the original size.

CSS Optimization

-49%

Potential reduce by 7.9 kB

  • Original 16.1 kB
  • After minification 16.1 kB
  • After compression 8.3 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. Mairangiswimschool.co.nz needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 49% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

29

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mairangi Swim School. According to our analytics all requests are already optimized.

Network Requests Diagram

mairangiswimschool.co.nz

mairangiswimschool.co.nz

814 ms

www.mairangiswimschool.co.nz

www.mairangiswimschool.co.nz

1875 ms

template_style.css

template_style.css

2601 ms

page_style.css

page_style.css

4079 ms

zest_controller.js

zest_controller.js

601 ms

css

css

32 ms

logo.jpg

logo.jpg

54 ms

ico-1.png

ico-1.png

65 ms

main-image.jpg

main-image.jpg

82 ms

MSS%20-%20baby_toddler_swimming_class.JPG

MSS%20-%20baby_toddler_swimming_class.JPG

74 ms

MSS%20-%20Wendy_pre-school_classes.JPG

MSS%20-%20Wendy_pre-school_classes.JPG

76 ms

MSS%20-%20Matt_Pine_teaching_backstroke.JPG

MSS%20-%20Matt_Pine_teaching_backstroke.JPG

75 ms

2016%20Mairangi%20Bay%20Swim%20School%20023.jpg

2016%20Mairangi%20Bay%20Swim%20School%20023.jpg

82 ms

ico-2.png

ico-2.png

76 ms

ico-3.png

ico-3.png

86 ms

2016%20Mairangi%20Bay%20Swim%20School%20470-945.jpg

2016%20Mairangi%20Bay%20Swim%20School%20470-945.jpg

90 ms

quote.png

quote.png

84 ms

logofoot1.jpg

logofoot1.jpg

88 ms

logofoot2.jpg

logofoot2.jpg

118 ms

logofoot3.jpg

logofoot3.jpg

95 ms

logofoot4.jpg

logofoot4.jpg

102 ms

logofoot5.jpg

logofoot5.jpg

96 ms

logofoot6.jpg

logofoot6.jpg

99 ms

ico-fb.png

ico-fb.png

105 ms

bg-white-cu2.png

bg-white-cu2.png

1028 ms

bg-blue-cu.png

bg-blue-cu.png

1030 ms

bg-blueborder-cu.png

bg-blueborder-cu.png

1028 ms

bg-dark-cu.png

bg-dark-cu.png

1029 ms

border.png

border.png

1035 ms

font

font

38 ms

font

font

266 ms

process

process

652 ms

Accessibility Review

mairangiswimschool.co.nz accessibility score

92

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.

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

mairangiswimschool.co.nz 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

Serves images with low resolution

SEO Factors

mairangiswimschool.co.nz SEO score

91

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mairangiswimschool.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 Mairangiswimschool.co.nz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

mairangiswimschool.co.nz

Open Graph description is not detected on the main page of Mairangi Swim School. 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: