Tools & Wizards About Us

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

mathletics.co.nz

Mathletics United States | Online Learning Math Program

Page Load Speed

3.7 sec in total

First Response

45 ms

Resources Loaded

2.8 sec

Page Rendered

832 ms

About Website

Visit mathletics.co.nz now to see the best up-to-date Mathletics content for New Zealand and also check out these interesting facts you probably never knew about mathletics.co.nz

Mathletics is the award-winning online math program to help students learn math. Engaging, fun, and aligned to curricula across the United States.

Visit mathletics.co.nz

Key Findings

We analyzed Mathletics.co.nz page load time and found that the first response time was 45 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

mathletics.co.nz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.369

29/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

mathletics.co.nz

45 ms

www.mathletics.com

75 ms

27 ms

hreflang-tags-pro.css

90 ms

cookie-law-info-public.css

300 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Mathletics.co.nz, 68% (102 requests) were made to Assets-homepages.3plearning.net and 5% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Geo.cookie-script.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 503.0 kB (8%)

Content Size

5.9 MB

After Optimization

5.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mathletics.co.nz main page is 5.9 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. Only a small number of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 221.6 kB

  • Original 250.9 kB
  • After minification 246.4 kB
  • After compression 29.3 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 221.6 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 151.4 kB

  • Original 4.9 MB
  • After minification 4.7 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. Mathletics images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 72.7 kB

  • Original 546.9 kB
  • After minification 546.6 kB
  • After compression 474.1 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 72.7 kB or 13% of the original size.

CSS Optimization

-21%

Potential reduce by 57.2 kB

  • Original 272.3 kB
  • After minification 272.3 kB
  • After compression 215.1 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. Mathletics.co.nz needs all CSS files to be minified and compressed as it can save up to 57.2 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 112 (78%)

Requests Now

143

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mathletics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 93 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

mathletics.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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

mathletics.co.nz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

mathletics.co.nz SEO score

89

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

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 Mathletics.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 Mathletics.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 data is detected on the main page of Mathletics. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: