Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dfdsseaways.net

European Cruises and Ferry Crossings | Passenger Ferries | DFDS

Page Load Speed

7 sec in total

First Response

386 ms

Resources Loaded

5.7 sec

Page Rendered

832 ms

dfdsseaways.net screenshot

About Website

Visit dfdsseaways.net now to see the best up-to-date DFDS Seaways content for Denmark and also check out these interesting facts you probably never knew about dfdsseaways.net

Plan and book DFDS cruises and ferry crossings across our European network.

Visit dfdsseaways.net

Key Findings

We analyzed Dfdsseaways.net page load time and found that the first response time was 386 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dfdsseaways.net performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value5,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

dfdsseaways.net

386 ms

www.dfdsseaways.com

933 ms

main.css

469 ms

modernizr-2.8.3.min.js

308 ms

jquery.min.js

133 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 Dfdsseaways.net, 68% (43 requests) were made to Dfdsseaways.com and 10% (6 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Dfdsseaways.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (62%)

Content Size

2.4 MB

After Optimization

893.3 kB

In fact, the total size of Dfdsseaways.net main page is 2.4 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. 45% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 78.0 kB

  • Original 103.2 kB
  • After minification 91.3 kB
  • After compression 25.3 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 11.9 kB, which is 12% 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 78.0 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 13.9 kB

  • Original 478.3 kB
  • After minification 464.4 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. DFDS Seaways images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.2 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 374.3 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 1.2 MB or 76% of the original size.

CSS Optimization

-86%

Potential reduce by 177.0 kB

  • Original 206.2 kB
  • After minification 205.5 kB
  • After compression 29.2 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. Dfdsseaways.net needs all CSS files to be minified and compressed as it can save up to 177.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (64%)

Requests Now

55

After Optimization

20

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DFDS Seaways. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dfdsseaways.net accessibility score

94

Accessibility Issues

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.

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dfdsseaways.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dfdsseaways.net SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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