Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

sleeper.scot

Home | Caledonian Sleeper |

Page Load Speed

3.6 sec in total

First Response

393 ms

Resources Loaded

1.9 sec

Page Rendered

1.3 sec

sleeper.scot screenshot

About Website

Welcome to sleeper.scot homepage info - get ready to check Sleeper best content for United Kingdom right away, or after learning these important things about sleeper.scot

A unique way to travel. Book your tickets for our overnight train service between London and Aberdeen, Edinburgh, Fort William, Glasgow and Inverness, Scotland

Visit sleeper.scot

Key Findings

We analyzed Sleeper.scot page load time and found that the first response time was 393 ms and then it took 3.2 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

sleeper.scot performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value280 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.121

84/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

sleeper.scot

393 ms

OtAutoBlock.js

121 ms

otSDKStub.js

149 ms

css2

52 ms

style.min.css

281 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 83% of them (73 requests) were addressed to the original Sleeper.scot, 7% (6 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn-ukwest.onetrust.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Sleeper.scot.

Page Optimization Overview & Recommendations

Page size can be reduced by 901.0 kB (63%)

Content Size

1.4 MB

After Optimization

523.9 kB

In fact, the total size of Sleeper.scot main page is 1.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 55.5 kB

  • Original 67.5 kB
  • After minification 67.5 kB
  • After compression 12.0 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 55.5 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 11 B

  • Original 136.3 kB
  • After minification 136.3 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. Sleeper images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 833.8 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 343.7 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 833.8 kB or 71% of the original size.

CSS Optimization

-27%

Potential reduce by 11.7 kB

  • Original 43.6 kB
  • After minification 43.6 kB
  • After compression 31.9 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. Sleeper.scot needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (9%)

Requests Now

80

After Optimization

73

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sleeper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sleeper.scot accessibility score

86

Accessibility Issues

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

[role]s are not contained by their required parent element

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

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

sleeper.scot best practices score

67

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sleeper.scot 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

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 Sleeper.scot 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 Sleeper.scot 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 Sleeper. 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: