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sellr.co.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sellr.co.uk

Ecommerce Software - Start a Business Today

Page Load Speed

2.8 sec in total

First Response

28 ms

Resources Loaded

2.4 sec

Page Rendered

362 ms

sellr.co.uk screenshot

About Website

Click here to check amazing Sellr content for United Kingdom. Otherwise, check out these important facts you probably never knew about sellr.co.uk

The best web-shop builder. Open an ecommerce website today and start selling online. Easy to setup.

Visit sellr.co.uk

Key Findings

We analyzed Sellr.co.uk page load time and found that the first response time was 28 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sellr.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

sellr.co.uk

28 ms

www.sellr.com

559 ms

jquery-1.9.1.js

64 ms

css

43 ms

chat.css

40 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sellr.co.uk, 44% (28 requests) were made to Cdn.sellr.com and 9% (6 requests) were made to Sellr.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cdn.sellr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 710.5 kB (17%)

Content Size

4.1 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sellr.co.uk main page is 4.1 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. 40% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 56.9 kB

  • Original 70.9 kB
  • After minification 67.4 kB
  • After compression 14.0 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 56.9 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 282.6 kB

  • Original 3.4 MB
  • After minification 3.1 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. Sellr images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 370.9 kB

  • Original 644.1 kB
  • After minification 644.1 kB
  • After compression 273.2 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 370.9 kB or 58% of the original size.

CSS Optimization

-4%

Potential reduce by 78 B

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 2.0 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. Sellr.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (40%)

Requests Now

53

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sellr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sellr.co.uk

sellr.co.uk

28 ms

www.sellr.com

www.sellr.com

559 ms

jquery-1.9.1.js

jquery-1.9.1.js

64 ms

css

css

43 ms

chat.css

chat.css

40 ms

chatjs.js

chatjs.js

26 ms

slrfunctions.js

slrfunctions.js

26 ms

api.js

api.js

41 ms

css2

css2

59 ms

gtm.js

gtm.js

167 ms

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384 ms

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275 ms

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661 ms

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656 ms

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661 ms

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659 ms

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649 ms

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669 ms

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915 ms

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944 ms

00007705KGK5500001FGFJ1.gif

00007705KGK5500001FGFJ1.gif

925 ms

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5504838UI18954VTR2.png

946 ms

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6385UWS5504838XWSD1.png

942 ms

recaptcha__en.js

recaptcha__en.js

107 ms

5504838UI18955VTR2.png

5504838UI18955VTR2.png

875 ms

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6369UWS5504838XWSD1.png

1120 ms

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1101 ms

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5504838UI18956VTR3.png

1135 ms

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1148 ms

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1144 ms

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1162 ms

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1369 ms

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1427 ms

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1418 ms

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1423 ms

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1421 ms

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1427 ms

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1634 ms

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1686 ms

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1680 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmRTM.ttf

72 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmRTM.ttf

86 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshdTQ3ig.ttf

86 ms

fallback

fallback

63 ms

js

js

68 ms

bat.js

bat.js

23 ms

insight.min.js

insight.min.js

28 ms

fallback__ltr.css

fallback__ltr.css

4 ms

payload

payload

27 ms

css

css

19 ms

134622092.js

134622092.js

14 ms

insight.old.min.js

insight.old.min.js

3 ms

logo_48.png

logo_48.png

7 ms

refresh_black.png

refresh_black.png

7 ms

audio_black.png

audio_black.png

10 ms

134622092

134622092

231 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

5 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

5 ms

clarity.js

clarity.js

14 ms

collect

collect

23 ms

collect

collect

21 ms

collect

collect

29 ms

collect

collect

110 ms

c.gif

c.gif

7 ms

Accessibility Review

sellr.co.uk accessibility score

68

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sellr.co.uk best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sellr.co.uk SEO score

92

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sellr.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 Sellr.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

sellr.co.uk

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