Tools & Wizards About Us
science.gu.se screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

science.gu.se

Naturvetenskapliga fakulteten, Göteborgs universitet

Page Load Speed

3.7 sec in total

First Response

324 ms

Resources Loaded

3 sec

Page Rendered

368 ms

science.gu.se screenshot

About Website

Visit science.gu.se now to see the best up-to-date Science Gu content for Sweden and also check out these interesting facts you probably never knew about science.gu.se

Välkommen till vår naturvetenskapliga värld – som omfattar allt ifrån den minsta partikel till de största galaxerna. Följ med på vår gränslösa kunskapsresa.

Visit science.gu.se

Key Findings

We analyzed Science.gu.se page load time and found that the first response time was 324 ms and then it took 3.3 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

science.gu.se performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.717

7/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

science.gu.se

324 ms

science.gu.se

433 ms

532 ms

naturvetenskap

265 ms

eu_cookie_compliance.script.js

206 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Science.gu.se, 66% (23 requests) were made to Gu.se and 23% (8 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (554 ms) relates to the external source Gu.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.6 kB (26%)

Content Size

843.5 kB

After Optimization

626.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Science.gu.se main page is 843.5 kB. 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 329.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 212.9 kB

  • Original 270.8 kB
  • After minification 238.7 kB
  • After compression 58.0 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 32.1 kB, which is 12% 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 212.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 216 B

  • Original 216.7 kB
  • After minification 216.5 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 Gu images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.2 kB

  • Original 329.1 kB
  • After minification 329.1 kB
  • After compression 325.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 1.3 kB

  • Original 26.9 kB
  • After minification 26.9 kB
  • After compression 25.6 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. Science.gu.se has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (46%)

Requests Now

24

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Gu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

science.gu.se

science.gu.se

324 ms

science.gu.se

science.gu.se

433 ms

532 ms

naturvetenskap

naturvetenskap

265 ms

eu_cookie_compliance.script.js

eu_cookie_compliance.script.js

206 ms

css_V7IRRVFpAs-utFs8GgJvE3NOqDjcfl-l31cKdJznYvU.css

css_V7IRRVFpAs-utFs8GgJvE3NOqDjcfl-l31cKdJznYvU.css

259 ms

css_T2p6coNzh4KcGAxIu3a8Xp9Pkb4ldhC0uy9A8kHm3kw.css

css_T2p6coNzh4KcGAxIu3a8Xp9Pkb4ldhC0uy9A8kHm3kw.css

313 ms

js_Np8sud7JDiMSC0pnYcb-Uso-roQbtsgrnRLApUgzZvE.js

js_Np8sud7JDiMSC0pnYcb-Uso-roQbtsgrnRLApUgzZvE.js

428 ms

zkx2sji.css

zkx2sji.css

91 ms

js_CCwa3c-UlWQwe9tJ4skr4xE1jNUMuqNOAL8xqpz0w4g.js

js_CCwa3c-UlWQwe9tJ4skr4xE1jNUMuqNOAL8xqpz0w4g.js

491 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

316 ms

gtm.js

gtm.js

345 ms

gtag.js

gtag.js

345 ms

js_74ZZF68pdzSeSKbs_FvWmXmThmWMyOqJnLp1yhXaW-M.js

js_74ZZF68pdzSeSKbs_FvWmXmThmWMyOqJnLp1yhXaW-M.js

554 ms

webReader.js

webReader.js

155 ms

p.css

p.css

33 ms

230927natfak-johanneberg3730-low.jpg

230927natfak-johanneberg3730-low.jpg

318 ms

sfm-2024-1-Richard-Neutze-05.jpg

sfm-2024-1-Richard-Neutze-05.jpg

146 ms

N%C3%A4rbild%20%20Lundbergs%20Forskningsstiftelse%20Magnus%20Gotander.jpg

N%C3%A4rbild%20%20Lundbergs%20Forskningsstiftelse%20Magnus%20Gotander.jpg

215 ms

counter_current_200dpi.jpg

counter_current_200dpi.jpg

265 ms

Provtagning%20Nord%20stream_200%20dpi%20foto%20Adele%20Maciute.jpg

Provtagning%20Nord%20stream_200%20dpi%20foto%20Adele%20Maciute.jpg

265 ms

Herrstugan%20i%20M%C3%A5rtes_foto%20Peter%20Hoelstad.jpg

Herrstugan%20i%20M%C3%A5rtes_foto%20Peter%20Hoelstad.jpg

266 ms

Harbour_Seal_Swimming.JPG

Harbour_Seal_Swimming.JPG

308 ms

sfm-2024-1-Richard-Neutze-02.jpg

sfm-2024-1-Richard-Neutze-02.jpg

316 ms

sfm-2024-1-mitt-amne-elena1.jpg

sfm-2024-1-mitt-amne-elena1.jpg

329 ms

sfm-2024-1-i-huvudet-pa-240415natfak-stefanobonaglia7401.jpg

sfm-2024-1-i-huvudet-pa-240415natfak-stefanobonaglia7401.jpg

330 ms

sfm-1-2024-SV-1.png

sfm-1-2024-SV-1.png

336 ms

d

d

3 ms

d

d

45 ms

d

d

112 ms

d

d

61 ms

d

d

60 ms

d

d

60 ms

d

d

112 ms

css_AlhNqM0Y71DnSrcJeVDzHz_HOXZC-ppFhOpnvZa9sP0.css

css_AlhNqM0Y71DnSrcJeVDzHz_HOXZC-ppFhOpnvZa9sP0.css

105 ms

Accessibility Review

science.gu.se accessibility score

99

Accessibility Issues

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

science.gu.se 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

science.gu.se SEO score

92

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

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science.gu.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and it matches the claimed language. Our system also found out that Science.gu.se 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

science.gu.se

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