Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

emma-sleep.co.uk

Emma Award-Winning Mattresses | Emma - The Sleep Company

Page Load Speed

4.5 sec in total

First Response

238 ms

Resources Loaded

2.3 sec

Page Rendered

2 sec

emma-sleep.co.uk screenshot

About Website

Visit emma-sleep.co.uk now to see the best up-to-date Emma Sleep content for United Kingdom and also check out these interesting facts you probably never knew about emma-sleep.co.uk

•200-Night Trial •10-Year Guarantee •Free Delivery & Returns. The ultimate comfort w/ Emma's sleep range engineered by sleep experts.

Visit emma-sleep.co.uk

Key Findings

We analyzed Emma-sleep.co.uk page load time and found that the first response time was 238 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

emma-sleep.co.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value10,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value33.4 s

0/100

10%

Network Requests Diagram

www.emma-sleep.co.uk

238 ms

loader.js

445 ms

emma-logo.svg

83 ms

Primary_Hero_Easter_Sale_(375_%C3%97_528_px)_(3).png

82 ms

5_years_which_award_(4).png

206 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 28% of them (17 requests) were addressed to the original Emma-sleep.co.uk, 72% (43 requests) were made to Eu-images.contentstack.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Emma-sleep.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (21%)

Content Size

4.9 MB

After Optimization

3.9 MB

In fact, the total size of Emma-sleep.co.uk main page is 4.9 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 1.0 MB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 89.9 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 1.0 MB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.1 MB
  • After minification 2.1 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. Emma Sleep images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 832 B

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 1.7 MB

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.

Requests Breakdown

Number of requests can be reduced by 15 (25%)

Requests Now

59

After Optimization

44

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Emma Sleep. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

emma-sleep.co.uk accessibility score

80

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

button, link, and menuitem elements do not have accessible names.

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

High

Links do not have a discernible 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

emma-sleep.co.uk 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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

emma-sleep.co.uk SEO score

93

Search Engine Optimization Advices

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

    TEST-PAGE

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Emma-sleep.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 Emma-sleep.co.uk main page’s claimed encoding is test-page. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Emma Sleep. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: