Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

crafoord.se

Crafoordska stiftelsen - Grundad av Holger Crafoord 1980

Page Load Speed

4.2 sec in total

First Response

349 ms

Resources Loaded

3.4 sec

Page Rendered

514 ms

crafoord.se screenshot

About Website

Welcome to crafoord.se homepage info - get ready to check Crafoord best content for Sweden right away, or after learning these important things about crafoord.se

Vi är en bred forskningsstiftelse som möjliggör vetenskaplig forskning i södra Sverige. Holger Crafoord bildade Crafoordska stiftelsen 1980.

Visit crafoord.se

Key Findings

We analyzed Crafoord.se page load time and found that the first response time was 349 ms and then it took 3.9 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

crafoord.se performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

crafoord.se

349 ms

www.crafoord.se

816 ms

css

23 ms

css

34 ms

Stylesheet.ashx

553 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 75% of them (18 requests) were addressed to the original Crafoord.se, 8% (2 requests) were made to Fonts.googleapis.com and 8% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Crafoord.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.3 kB (15%)

Content Size

603.3 kB

After Optimization

510.0 kB

In fact, the total size of Crafoord.se main page is 603.3 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. 20% of websites need less resources to load. Images take 485.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 68.8 kB

  • Original 78.0 kB
  • After minification 43.3 kB
  • After compression 9.1 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 34.7 kB, which is 45% 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 68.8 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 6.1 kB

  • Original 485.4 kB
  • After minification 479.4 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. Crafoord images are well optimized though.

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

-81%

Potential reduce by 18.3 kB

  • Original 22.7 kB
  • After minification 18.8 kB
  • After compression 4.4 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. Crafoord.se needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crafoord. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crafoord.se accessibility score

87

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

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.

Best Practices

crafoord.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

crafoord.se SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crafoord.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 Crafoord.se main page’s claimed encoding is iso-8859-1. 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 Crafoord. 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: