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sustainability.asu.edu screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

sustainability.asu.edu

Global Institute of Sustainability and Innovation | Global Sustainability

Page Load Speed

8.2 sec in total

First Response

139 ms

Resources Loaded

7.5 sec

Page Rendered

601 ms

sustainability.asu.edu screenshot

About Website

Click here to check amazing Sustainability Asu content for United States. Otherwise, check out these important facts you probably never knew about sustainability.asu.edu

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Key Findings

We analyzed Sustainability.asu.edu page load time and found that the first response time was 139 ms and then it took 8.1 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

sustainability.asu.edu performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

sustainability.asu.edu

139 ms

sustainability.asu.edu

1408 ms

wp-emoji-release.min.js

1207 ms

styles.css

1210 ms

style.css

1210 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 52% of them (34 requests) were addressed to the original Sustainability.asu.edu, 11% (7 requests) were made to Google-analytics.com and 6% (4 requests) were made to Asu.edu. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Sustainability.asu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 771.8 kB (53%)

Content Size

1.4 MB

After Optimization

671.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sustainability.asu.edu main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 671.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 63.0 kB

  • Original 82.7 kB
  • After minification 75.6 kB
  • After compression 19.7 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 63.0 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 14.2 kB

  • Original 425.3 kB
  • After minification 411.1 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. Sustainability Asu images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 476.6 kB

  • Original 671.5 kB
  • After minification 668.8 kB
  • After compression 194.9 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 476.6 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 218.0 kB

  • Original 263.8 kB
  • After minification 253.3 kB
  • After compression 45.9 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. Sustainability.asu.edu needs all CSS files to be minified and compressed as it can save up to 218.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (63%)

Requests Now

57

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustainability Asu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sustainability.asu.edu

sustainability.asu.edu

139 ms

sustainability.asu.edu

sustainability.asu.edu

1408 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

1207 ms

styles.css

styles.css

1210 ms

style.css

style.css

1210 ms

css

css

60 ms

bootstrap.min.css

bootstrap.min.css

285 ms

bootstrap-asu.min.css

bootstrap-asu.min.css

296 ms

style.css

style.css

1210 ms

style.css

style.css

1483 ms

asu-nav.css

asu-nav.css

1490 ms

sustainability-wordpress-theme.min.css

sustainability-wordpress-theme.min.css

1402 ms

jquery.min.js

jquery.min.js

2481 ms

api.js

api.js

47 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

33 ms

jquery.form.min.js

jquery.form.min.js

2407 ms

scripts.js

scripts.js

2407 ms

javascripts.min.js

javascripts.min.js

1598 ms

navigation.js

navigation.js

2698 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

2696 ms

respond.min.js

respond.min.js

1799 ms

bootstrap.min.js

bootstrap.min.js

3003 ms

bootstrap-asu.min.js

bootstrap-asu.min.js

3797 ms

asu-header.min.js

asu-header.min.js

3645 ms

asu-header-config.js

asu-header-config.js

3721 ms

wp-embed.min.js

wp-embed.min.js

3893 ms

analytics.js

analytics.js

28 ms

hotjar-140040.js

hotjar-140040.js

178 ms

ipad_close.gif

ipad_close.gif

123 ms

james-hansen-wrigley-lecture-wp-e1457390174651-300x300.jpg

james-hansen-wrigley-lecture-wp-e1457390174651-300x300.jpg

443 ms

asu_logo_white.png

asu_logo_white.png

128 ms

hero-earth-2.jpg

hero-earth-2.jpg

1764 ms

headshot.jpg

headshot.jpg

1856 ms

headshot.jpg

headshot.jpg

1373 ms

headshot.jpg

headshot.jpg

2563 ms

prospectus.jpg

prospectus.jpg

2775 ms

acomplishments-img.jpg

acomplishments-img.jpg

1841 ms

sustainability-plan.jpg

sustainability-plan.jpg

2848 ms

carbon-neutral.jpg

carbon-neutral.jpg

2029 ms

JAW-GIOS_REV.png

JAW-GIOS_REV.png

3052 ms

best-colleges-us-news-badge.png

best-colleges-us-news-badge.png

2056 ms

asu-pakistan-energy-wp-e1457044163584-300x300.jpg

asu-pakistan-energy-wp-e1457044163584-300x300.jpg

1634 ms

plus-alliance-asu-wp-300x300.jpg

plus-alliance-asu-wp-300x300.jpg

1634 ms

gtm.js

gtm.js

144 ms

asu_arrow_closed.gif

asu_arrow_closed.gif

117 ms

asu_search_btn.png

asu_search_btn.png

127 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

111 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

116 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

126 ms

linkid.js

linkid.js

41 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

3370 ms

collect

collect

47 ms

collect

collect

45 ms

collect

collect

43 ms

collect

collect

91 ms

collect

collect

11 ms

collect

collect

57 ms

modules-043c1e6abe660c48857202e419ff9d8a.js

modules-043c1e6abe660c48857202e419ff9d8a.js

58 ms

ga-audiences

ga-audiences

63 ms

fbevents.js

fbevents.js

97 ms

8226.js

8226.js

38 ms

18 ms

s

s

334 ms

u

u

92 ms

visit-data

visit-data

208 ms

Accessibility Review

sustainability.asu.edu accessibility score

82

Accessibility Issues

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

Form elements do not have associated labels

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

sustainability.asu.edu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sustainability.asu.edu SEO score

91

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 Sustainability.asu.edu 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 Sustainability.asu.edu 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

sustainability.asu.edu

Open Graph description is not detected on the main page of Sustainability Asu. 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: