Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nikebetterworld.com

Nike Sustainability. Move to Zero. Nike.com

Page Load Speed

3.5 sec in total

First Response

1.3 sec

Resources Loaded

1.6 sec

Page Rendered

638 ms

About Website

Click here to check amazing Nike Betterworld content. Otherwise, check out these important facts you probably never knew about nikebetterworld.com

We’re committed to a better tomorrow for all athletes. Move to Zero is our journey toward zero carbon and waste to help protect the future of sport.

Visit nikebetterworld.com

Key Findings

We analyzed Nikebetterworld.com page load time and found that the first response time was 1.3 sec and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nikebetterworld.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value22.6 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value10,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value32.6 s

0/100

10%

Network Requests Diagram

sustainability

1265 ms

glyphs.min.css

23 ms

ncss.en-us.min.css

29 ms

privacy-core.js

24 ms

analytics-client.min.js

24 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nikebetterworld.com, 5% (2 requests) were made to Static-assets.nike.com and 3% (1 request) were made to S.go-mpulse.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Nike.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (65%)

Content Size

3.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nikebetterworld.com main page is 3.2 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. 70% of websites need less resources to load. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 749.4 kB

  • Original 875.4 kB
  • After minification 874.9 kB
  • After compression 126.0 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 749.4 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 255 B
  • After minification 255 B

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. Nike Betterworld images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 1.2 MB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 939.6 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 1.2 MB or 57% of the original size.

CSS Optimization

-56%

Potential reduce by 58.1 kB

  • Original 102.9 kB
  • After minification 100.5 kB
  • After compression 44.8 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. Nikebetterworld.com needs all CSS files to be minified and compressed as it can save up to 58.1 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (86%)

Requests Now

36

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nike Betterworld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nikebetterworld.com accessibility score

85

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

nikebetterworld.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nikebetterworld.com SEO score

90

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nikebetterworld.com 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 Nikebetterworld.com 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 Nike Betterworld. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: