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Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

scarlet.co.uk

Couriers Online Services | Parcel Delivery Services UK | CitySprint

Page Load Speed

10.4 sec in total

First Response

343 ms

Resources Loaded

5.8 sec

Page Rendered

4.2 sec

About Website

Visit scarlet.co.uk now to see the best up-to-date Scarlet content and also check out these interesting facts you probably never knew about scarlet.co.uk

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Visit scarlet.co.uk

Key Findings

We analyzed Scarlet.co.uk page load time and found that the first response time was 343 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

scarlet.co.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

343 ms

www.citysprint.co.uk

867 ms

citysprint.min.css

226 ms

720b19c1-a225-444f-a704-e6c0fe9764ad.js

286 ms

esw.min.js

364 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Scarlet.co.uk, 19% (15 requests) were made to Cs-prod-media-01.azureedge.net and 12% (9 requests) were made to Service.force.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cs-prod-media-01.azureedge.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 363.2 kB (12%)

Content Size

3.0 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scarlet.co.uk main page is 3.0 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. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 159.4 kB

  • Original 193.8 kB
  • After minification 167.3 kB
  • After compression 34.5 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 26.6 kB, which is 14% 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 159.4 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 189.5 kB

  • Original 2.5 MB
  • After minification 2.4 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. Scarlet images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.1 kB

  • Original 179.6 kB
  • After minification 179.6 kB
  • After compression 176.5 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

-25%

Potential reduce by 11.2 kB

  • Original 44.1 kB
  • After minification 44.1 kB
  • After compression 33.0 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. Scarlet.co.uk needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (56%)

Requests Now

72

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scarlet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

scarlet.co.uk accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

Best Practices

scarlet.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

Page has valid source maps

SEO Factors

scarlet.co.uk 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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scarlet.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Scarlet.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 description is not detected on the main page of Scarlet. 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: