Report Summary

  • 20

    Performance

    Renders faster than
    38% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

vikingrivercruises.co.uk

River Cruises - European, Asian, Mississippi & Nile Cruises | Viking®

Page Load Speed

2.9 sec in total

First Response

292 ms

Resources Loaded

2.3 sec

Page Rendered

336 ms

vikingrivercruises.co.uk screenshot

About Website

Visit vikingrivercruises.co.uk now to see the best up-to-date Viking River Cruises content for United Kingdom and also check out these interesting facts you probably never knew about vikingrivercruises.co.uk

Journey with the world's #1 river cruise line. Award-winning Viking Longships. Owned & operated fleet, with the best docking locations in Europe and across the globe.

Visit vikingrivercruises.co.uk

Key Findings

We analyzed Vikingrivercruises.co.uk page load time and found that the first response time was 292 ms and then it took 2.6 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

vikingrivercruises.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.647

9/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

www.vikingrivercruises.co.uk

292 ms

bundle_general_css

341 ms

bundle_core_css

319 ms

bundle_site_specific_css

158 ms

jquery.min.js

32 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 26% of them (28 requests) were addressed to the original Vikingrivercruises.co.uk, 9% (10 requests) were made to Apis.google.com and 6% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (544 ms) relates to the external source Tag4arm.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.1 kB (13%)

Content Size

2.3 MB

After Optimization

2.0 MB

In fact, the total size of Vikingrivercruises.co.uk main page is 2.3 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. 70% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 129.0 kB

  • Original 149.6 kB
  • After minification 98.5 kB
  • After compression 20.7 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. This page needs HTML code to be minified as it can gain 51.1 kB, which is 34% 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 129.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 48.5 kB

  • Original 1.9 MB
  • After minification 1.9 MB

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. Viking River Cruises images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 110.4 kB

  • Original 194.5 kB
  • After minification 189.8 kB
  • After compression 84.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 110.4 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 10.3 kB

  • Original 12.6 kB
  • After minification 10.1 kB
  • After compression 2.3 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. Vikingrivercruises.co.uk needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (66%)

Requests Now

94

After Optimization

32

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viking River Cruises. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vikingrivercruises.co.uk accessibility score

96

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

vikingrivercruises.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

vikingrivercruises.co.uk SEO score

92

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

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 Vikingrivercruises.co.uk 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 Vikingrivercruises.co.uk 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 data is detected on the main page of Viking River Cruises. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: