Report Summary

  • 44

    Performance

    Renders faster than
    62% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 76

    SEO

    Google-friendlier than
    44% of websites

shopzilla.co.uk

Check online store ratings and save money with deals at Shopzilla UK

Page Load Speed

3.3 sec in total

First Response

229 ms

Resources Loaded

2.9 sec

Page Rendered

140 ms

shopzilla.co.uk screenshot

About Website

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

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Key Findings

We analyzed Shopzilla.co.uk page load time and found that the first response time was 229 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

shopzilla.co.uk performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value2,580 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

_-_br--14567488189891297864102091099003278__fromblip--1

229 ms

home_page_sz.css

419 ms

sz_gb.css

349 ms

respond-min.js

151 ms

modernizr.js

379 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 8% of them (4 requests) were addressed to the original Shopzilla.co.uk, 92% (47 requests) were made to Img10.shopzilla-images.co.uk. The less responsive or slowest element that took the longest time to load (970 ms) relates to the external source Img10.shopzilla-images.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (67%)

Content Size

2.1 MB

After Optimization

687.5 kB

In fact, the total size of Shopzilla.co.uk main page is 2.1 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. 30% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 23.0 kB

  • Original 28.2 kB
  • After minification 23.8 kB
  • After compression 5.2 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 4.4 kB, which is 16% 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 23.0 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 21.7 kB

  • Original 272.4 kB
  • After minification 250.7 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. Shopzilla images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 1.3 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 419.8 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 1.3 MB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 60.3 kB

  • Original 72.0 kB
  • After minification 53.6 kB
  • After compression 11.6 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. Shopzilla.co.uk needs all CSS files to be minified and compressed as it can save up to 60.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (8%)

Requests Now

50

After Optimization

46

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shopzilla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

shopzilla.co.uk accessibility score

73

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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.

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

High

Links do not have a discernible name

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

shopzilla.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

shopzilla.co.uk SEO score

76

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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

High

Tap targets are not sized appropriately

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 Shopzilla.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 Shopzilla.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 Shopzilla. 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: