Tools & Wizards About Us
sciencecommunication.info screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sciencecommunication.info

Department of Science Communication Home, Centre for Science Communication | University of Otago

Page Load Speed

2.9 sec in total

First Response

469 ms

Resources Loaded

2.2 sec

Page Rendered

295 ms

sciencecommunication.info screenshot

About Website

Click here to check amazing Science Communication content. Otherwise, check out these important facts you probably never knew about sciencecommunication.info

The Department of Science Communication at the University of Otago specialises on teaching, research, and practice of communicating science to the general public.

Visit sciencecommunication.info

Key Findings

We analyzed Sciencecommunication.info page load time and found that the first response time was 469 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sciencecommunication.info performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value5,900 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value32.8 s

0/100

10%

Network Requests Diagram

sciencecommunication.info

469 ms

science-communication

457 ms

main.css

267 ms

widget.js

176 ms

main.js

657 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Sciencecommunication.info, 38% (14 requests) were made to Otago.ac.nz and 14% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (933 ms) relates to the external source Otago.ac.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 573.3 kB (18%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencecommunication.info 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 345.7 kB

  • Original 610.6 kB
  • After minification 529.7 kB
  • After compression 265.0 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. This page needs HTML code to be minified as it can gain 80.9 kB, which is 13% 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 345.7 kB or 57% of the original size.

Image Optimization

-2%

Potential reduce by 5.4 kB

  • Original 309.7 kB
  • After minification 304.3 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. Science Communication images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 222.2 kB

  • Original 2.2 MB
  • After minification 2.2 MB
  • After compression 1.9 MB

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

-0%

Potential reduce by 0 B

  • Original 164.9 kB
  • After minification 164.9 kB
  • After compression 164.9 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. Sciencecommunication.info has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (41%)

Requests Now

29

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Communication. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sciencecommunication.info

sciencecommunication.info

469 ms

science-communication

science-communication

457 ms

main.css

main.css

267 ms

widget.js

widget.js

176 ms

main.js

main.js

657 ms

htmx.min.js

htmx.min.js

619 ms

_Incapsula_Resource

_Incapsula_Resource

9 ms

css2

css2

44 ms

gtm.js

gtm.js

168 ms

56gpq7sxl7

56gpq7sxl7

150 ms

j2EuF-EFMeY

j2EuF-EFMeY

198 ms

UoO_Logo_RGB_Horz_Gold-REV.svg

UoO_Logo_RGB_Horz_Gold-REV.svg

445 ms

science-communications-banner.jpg

science-communications-banner.jpg

446 ms

1869-emblem.png

1869-emblem.png

447 ms

matariki-logo-white.png

matariki-logo-white.png

446 ms

QS-Logo.png

QS-Logo.png

560 ms

WickliffeSansWEB-Medium..woff

WickliffeSansWEB-Medium..woff

487 ms

WickliffeSansWEB-Regular..woff

WickliffeSansWEB-Regular..woff

933 ms

WickliffeWEB-Regular..woff

WickliffeWEB-Regular..woff

488 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObjz2VZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObjz2VZyOOSr4dVJWUgsjZ0C4n.ttf

29 ms

clarity.js

clarity.js

18 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

21 ms

base.js

base.js

43 ms

ad_status.js

ad_status.js

173 ms

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

UCY5Klx_0fJhMytIltuKLUwnjJON9GWedkq6jjIrpW0.js

162 ms

embed.js

embed.js

35 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

49 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

83 ms

id

id

82 ms

widget_app_base_1724849559553.js

widget_app_base_1724849559553.js

62 ms

_Incapsula_Resource

_Incapsula_Resource

9 ms

Create

Create

101 ms

aUa3lcVWRi

aUa3lcVWRi

328 ms

GenerateIT

GenerateIT

13 ms

en-US.json

en-US.json

10 ms

c.gif

c.gif

8 ms

Accessibility Review

sciencecommunication.info accessibility score

90

Accessibility Issues

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

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

ARIA IDs are not unique

Best Practices

sciencecommunication.info 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

sciencecommunication.info SEO score

92

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

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 Sciencecommunication.info 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 Sciencecommunication.info 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

sciencecommunication.info

Open Graph description is not detected on the main page of Science Communication. 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: