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physics.lu.se screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

physics.lu.se

ClimBEco Graduate Research School | Centre for Environmental and Climate Science (CEC)

Page Load Speed

5.5 sec in total

First Response

1.2 sec

Resources Loaded

3.9 sec

Page Rendered

268 ms

physics.lu.se screenshot

About Website

Visit physics.lu.se now to see the best up-to-date Physics Lu content for Sweden and also check out these interesting facts you probably never knew about physics.lu.se

Visit physics.lu.se

Key Findings

We analyzed Physics.lu.se page load time and found that the first response time was 1.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

physics.lu.se performance score

0

Network Requests Diagram

physics.lu.se

1237 ms

www.fysik.lu.se

850 ms

stylesheet_797278d35b.css

357 ms

grid_v2.css

241 ms

main_v2.css

364 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Physics.lu.se, 87% (33 requests) were made to Fysik.lu.se and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Physics.lu.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 775.0 kB (60%)

Content Size

1.3 MB

After Optimization

510.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Physics.lu.se main page is 1.3 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. 40% of websites need less resources to load. Javascripts take 701.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.1 kB

  • Original 54.9 kB
  • After minification 49.8 kB
  • After compression 8.8 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 46.1 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 52.6 kB

  • Original 378.7 kB
  • After minification 326.1 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. Obviously, Physics Lu needs image optimization as it can save up to 52.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 550.8 kB

  • Original 701.9 kB
  • After minification 524.7 kB
  • After compression 151.1 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 550.8 kB or 78% of the original size.

CSS Optimization

-84%

Potential reduce by 125.6 kB

  • Original 149.9 kB
  • After minification 121.9 kB
  • After compression 24.2 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. Physics.lu.se needs all CSS files to be minified and compressed as it can save up to 125.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (44%)

Requests Now

36

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physics Lu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

physics.lu.se

physics.lu.se

1237 ms

www.fysik.lu.se

www.fysik.lu.se

850 ms

stylesheet_797278d35b.css

stylesheet_797278d35b.css

357 ms

grid_v2.css

grid_v2.css

241 ms

main_v2.css

main_v2.css

364 ms

responsive.css

responsive.css

368 ms

flags_v2.css

flags_v2.css

249 ms

lth.css

lth.css

375 ms

collapseLeftMenu.css

collapseLeftMenu.css

357 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

734 ms

leftColFix.js

leftColFix.js

474 ms

respond.min.js

respond.min.js

359 ms

jquery-ui.js

jquery-ui.js

856 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

370 ms

lth.js

lth.js

373 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

476 ms

main_v3.js

main_v3.js

476 ms

analytics.js

analytics.js

66 ms

fysik.php

fysik.php

1072 ms

logo.png

logo.png

124 ms

tab-down.png

tab-down.png

123 ms

logo-lu-sv.png

logo-lu-sv.png

123 ms

utbildning.jpg

utbildning.jpg

367 ms

arrow-medium.png

arrow-medium.png

126 ms

andersmikkelsen_02.jpg

andersmikkelsen_02.jpg

479 ms

samverkan.jpg

samverkan.jpg

478 ms

archive-arrow-right.png

archive-arrow-right.png

249 ms

csm_nanotraadar201603_392ac460dd.jpg

csm_nanotraadar201603_392ac460dd.jpg

250 ms

frage2.gif

frage2.gif

302 ms

DJacobsson_Nano-forest-panorama_color-webb.gif

DJacobsson_Nano-forest-panorama_color-webb.gif

609 ms

video-icon.png

video-icon.png

372 ms

filmade_forskarportraett.jpg

filmade_forskarportraett.jpg

426 ms

Fysicum_small_01.png

Fysicum_small_01.png

488 ms

lu_footer_logo.png

lu_footer_logo.png

494 ms

collect

collect

24 ms

www.fysik.lu.se

www.fysik.lu.se

309 ms

print_v2.css

print_v2.css

126 ms

style.css

style.css

123 ms

SEO Factors

physics.lu.se SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Physics.lu.se can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Swedish language. Our system also found out that Physics.lu.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

physics.lu.se

Open Graph description is not detected on the main page of Physics Lu. 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: