Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

jernbanen.dk

Danske jernbaner rullende materiel gennem tiderne

Page Load Speed

2.8 sec in total

First Response

352 ms

Resources Loaded

1.8 sec

Page Rendered

553 ms

About Website

Visit jernbanen.dk now to see the best up-to-date Jernbanen content for Denmark and also check out these interesting facts you probably never knew about jernbanen.dk

Jernbanen.dk er Danmarks største jernbanewebsite med information om over 150.000 danske jernbane lokomotiver og vogne med data, billeder, tegninger m.v.

Visit jernbanen.dk

Key Findings

We analyzed Jernbanen.dk page load time and found that the first response time was 352 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

jernbanen.dk performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

jernbanen.dk

352 ms

www.jernbanen.dk

643 ms

bootstrap.min.css

20 ms

stylesDK.css

165 ms

js

75 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 31% of them (11 requests) were addressed to the original Jernbanen.dk, 23% (8 requests) were made to Google.com and 14% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (643 ms) belongs to the original domain Jernbanen.dk.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.3 kB (9%)

Content Size

946.8 kB

After Optimization

861.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jernbanen.dk main page is 946.8 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. 65% of websites need less resources to load. Images take 437.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 77.3 kB

  • Original 94.2 kB
  • After minification 91.6 kB
  • After compression 16.9 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 77.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 437.0 kB
  • After minification 435.1 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. Jernbanen images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.4 kB

  • Original 379.9 kB
  • After minification 379.9 kB
  • After compression 377.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 3.7 kB

  • Original 35.7 kB
  • After minification 35.7 kB
  • After compression 32.0 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. Jernbanen.dk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (57%)

Requests Now

30

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jernbanen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jernbanen.dk accessibility score

98

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

<frame> or <iframe> elements do not have a title

Best Practices

jernbanen.dk 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

High

Page has valid source maps

SEO Factors

jernbanen.dk SEO score

100

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

Language and Encoding

  • Language Detected

    DA

  • Language Claimed

    DA

  • Encoding

    UTF-8

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