Tools & Wizards About Us
jazzunlimited.co.nz screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jazzunlimited.co.nz

Dance Academy - Ballet, Jazz, Hip Hop, etc | Jazz Unlimited | Hamilton

Page Load Speed

4.9 sec in total

First Response

381 ms

Resources Loaded

4.1 sec

Page Rendered

402 ms

jazzunlimited.co.nz screenshot

About Website

Click here to check amazing Jazz Unlimited content. Otherwise, check out these important facts you probably never knew about jazzunlimited.co.nz

Jazz Unlimited has a uniquely caring and inclusive culture, top facilities, and world-class, internationally recognised syllabi. We have outstanding teachers and happy students who achieve excellent e...

Visit jazzunlimited.co.nz

Key Findings

We analyzed Jazzunlimited.co.nz page load time and found that the first response time was 381 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jazzunlimited.co.nz performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

jazzunlimited.co.nz

381 ms

www.jazzunlimited.co.nz

1070 ms

all-bundled.css

196 ms

427 ms

bootstrap-bundled.css

629 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 75% of them (43 requests) were addressed to the original Jazzunlimited.co.nz, 12% (7 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jazzunlimited.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.3 kB (8%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzunlimited.co.nz main page is 1.6 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.8 kB

  • Original 47.4 kB
  • After minification 38.4 kB
  • After compression 8.6 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. This page needs HTML code to be minified as it can gain 8.9 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 38.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 84.7 kB

  • Original 1.5 MB
  • After minification 1.4 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. Jazz Unlimited images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 1.6 kB

  • Original 28.4 kB
  • After minification 28.4 kB
  • After compression 26.8 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

-38%

Potential reduce by 1.3 kB

  • Original 3.3 kB
  • After minification 3.3 kB
  • After compression 2.1 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. Jazzunlimited.co.nz needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (46%)

Requests Now

46

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz Unlimited. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jazzunlimited.co.nz

jazzunlimited.co.nz

381 ms

www.jazzunlimited.co.nz

www.jazzunlimited.co.nz

1070 ms

all-bundled.css

all-bundled.css

196 ms

427 ms

bootstrap-bundled.css

bootstrap-bundled.css

629 ms

776 ms

774 ms

805 ms

css

css

25 ms

jquery.lightbox.css

jquery.lightbox.css

808 ms

807 ms

817 ms

1762 ms

966 ms

1001 ms

1002 ms

1002 ms

1008 ms

1150 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

1187 ms

jquery.bxslider.css

jquery.bxslider.css

1190 ms

gtm.js

gtm.js

125 ms

logo.png

logo.png

363 ms

1017_2.jpg

1017_2.jpg

582 ms

1021_2.jpg

1021_2.jpg

983 ms

1023_1.jpg

1023_1.jpg

983 ms

14434_1_midsize.jpg

14434_1_midsize.jpg

983 ms

14435_1_midsize.png

14435_1_midsize.png

565 ms

pane5-bg.jpg

pane5-bg.jpg

1195 ms

14438_1_midsize.jpg

14438_1_midsize.jpg

803 ms

14439_1_midsize.jpg

14439_1_midsize.jpg

993 ms

14440_1_midsize.jpg

14440_1_midsize.jpg

1122 ms

14441_1_midsize.jpg

14441_1_midsize.jpg

1136 ms

14442_1_midsize.jpg

14442_1_midsize.jpg

1152 ms

14443_1_midsize.jpg

14443_1_midsize.jpg

1179 ms

14444_1_midsize.jpg

14444_1_midsize.jpg

1183 ms

14445_1_midsize.jpg

14445_1_midsize.jpg

1310 ms

14446_1_midsize.jpg

14446_1_midsize.jpg

1324 ms

14448_1_midsize.jpg

14448_1_midsize.jpg

1341 ms

logo-footer.png

logo-footer.png

1370 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

16 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

26 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1314 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

41 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

37 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

41 ms

vm8vdRfvXFLG3OLnsO15WYS5DG74wNc.ttf

vm8vdRfvXFLG3OLnsO15WYS5DG74wNc.ttf

42 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

36 ms

analytics.js

analytics.js

15 ms

linkid.js

linkid.js

7 ms

collect

collect

13 ms

collect

collect

25 ms

1210 ms

js

js

38 ms

jquery-lightbox-theme.png

jquery-lightbox-theme.png

192 ms

bx_loader.gif

bx_loader.gif

191 ms

controls.png

controls.png

190 ms

Accessibility Review

jazzunlimited.co.nz accessibility score

90

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

jazzunlimited.co.nz best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

jazzunlimited.co.nz SEO score

83

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jazzunlimited.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 Jazzunlimited.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

jazzunlimited.co.nz

Open Graph description is not detected on the main page of Jazz Unlimited. 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: