Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

lu.se

Start | Lunds universitet

Page Load Speed

4.3 sec in total

First Response

534 ms

Resources Loaded

3.6 sec

Page Rendered

201 ms

lu.se screenshot

About Website

Click here to check amazing Lu content for Sweden. Otherwise, check out these important facts you probably never knew about lu.se

Lunds universitet grundades 1666 och rankas återkommande som ett av världens 100 främsta lärosäten. Här finns cirka 45 000 studenter och mer än 8 000 medarbetare.

Visit lu.se

Key Findings

We analyzed Lu.se page load time and found that the first response time was 534 ms and then it took 3.8 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

lu.se performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value3,840 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

lu.se

534 ms

www.lu.se

1224 ms

css__b6xC-KM36CuhHyaW69hmCbjaBK5Q-fKI-mU__cQYjuA__wncfjzAqS1tEQCe3ujzbRluhC3UbwKdx2lFCUYEoyhM__9MQvqLsqdHkKNTVw_lLDkW1GGGoqbKfG-PR4rgarHLc.css

528 ms

css__GbBIqBxBsPogwh09Jfsls3udBpkFphzyp5S2_A88FjM__ClEoHDTSM4uiweTXaU69d5UENU2Y9-smLm76KV85Rfo__9MQvqLsqdHkKNTVw_lLDkW1GGGoqbKfG-PR4rgarHLc.css

703 ms

css__CTqfhZSzaWdwtah-gmgUVtu5Rym4mwQ3evyF0JhyV80__egNKtnwZtmfjqij7-ZW2sf2biFw2TrfzpK_S6zJN1Lw__9MQvqLsqdHkKNTVw_lLDkW1GGGoqbKfG-PR4rgarHLc.css

360 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 58% of them (22 requests) were addressed to the original Lu.se, 21% (8 requests) were made to Publikationer.adm.lu.se and 8% (3 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 Lu.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (73%)

Content Size

2.2 MB

After Optimization

588.0 kB

In fact, the total size of Lu.se main page is 2.2 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. 35% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 100.1 kB

  • Original 119.7 kB
  • After minification 117.5 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 100.1 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 17.6 kB

  • Original 242.8 kB
  • After minification 225.3 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. Lu images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 792.1 kB

  • Original 1.0 MB
  • After minification 783.2 kB
  • After compression 241.5 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 792.1 kB or 77% of the original size.

CSS Optimization

-87%

Potential reduce by 653.4 kB

  • Original 755.0 kB
  • After minification 745.1 kB
  • After compression 101.6 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. Lu.se needs all CSS files to be minified and compressed as it can save up to 653.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (36%)

Requests Now

36

After Optimization

23

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lu.se accessibility score

100

Accessibility Issues

Best Practices

lu.se 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

SEO Factors

lu.se SEO score

85

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

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 Lu.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 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

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