Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

ullevi.se

Ullevi | Kommande evenemang och konserter på arenan | Got Event

Page Load Speed

3 sec in total

First Response

356 ms

Resources Loaded

2.6 sec

Page Rendered

116 ms

ullevi.se screenshot

About Website

Welcome to ullevi.se homepage info - get ready to check Ullevi best content right away, or after learning these important things about ullevi.se

Visit ullevi.se

Key Findings

We analyzed Ullevi.se page load time and found that the first response time was 356 ms and then it took 2.7 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

ullevi.se performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.301

39/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

ullevi.se

356 ms

921 ms

xCss.css

215 ms

navigation.cfm

229 ms

barGradient_w1px_h30px.png

450 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ullevi.se, 56% (35 requests) were made to Gotevent.se and 24% (15 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (921 ms) relates to the external source Gotevent.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 411.0 kB (47%)

Content Size

874.5 kB

After Optimization

463.5 kB

In fact, the total size of Ullevi.se main page is 874.5 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. 50% of websites need less resources to load. Images take 805.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 36.9 kB

  • Original 42.0 kB
  • After minification 34.3 kB
  • After compression 5.1 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 7.7 kB, which is 18% 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 36.9 kB or 88% of the original size.

Image Optimization

-45%

Potential reduce by 365.5 kB

  • Original 805.4 kB
  • After minification 439.9 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, Ullevi needs image optimization as it can save up to 365.5 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-87%

Potential reduce by 8.6 kB

  • Original 9.9 kB
  • After minification 7.6 kB
  • After compression 1.3 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. Ullevi.se needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (34%)

Requests Now

61

After Optimization

40

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ullevi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ullevi.se accessibility score

81

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

Low

No form fields have multiple 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.

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

ullevi.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

SEO Factors

ullevi.se SEO score

97

Search Engine Optimization Advices

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ullevi.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ullevi.se main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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