Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

shopcasio.co.uk

Casio Watches, Calculators, Pianos & More | CASIO

Page Load Speed

2.3 sec in total

First Response

34 ms

Resources Loaded

1.7 sec

Page Rendered

528 ms

About Website

Welcome to shopcasio.co.uk homepage info - get ready to check Shop Casio best content right away, or after learning these important things about shopcasio.co.uk

Searching for the classic Casio watch, a scientific calculator or grand piano? We have wide range of watches, calculators, pianos and more for you to choose from.

Visit shopcasio.co.uk

Key Findings

We analyzed Shopcasio.co.uk page load time and found that the first response time was 34 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

shopcasio.co.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value11.1 s

5/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value31.9 s

0/100

10%

Network Requests Diagram

shopcasio.co.uk

34 ms

www.casio.co.uk

35 ms

7e31299bfcb049c8f5c7809c87a87ec1.min.css

79 ms

119f9a1f493edb00a45f4a2ac6c0ec82.min.css

97 ms

ec.min.js

86 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Shopcasio.co.uk, 91% (137 requests) were made to Casio.co.uk and 3% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (584 ms) relates to the external source Casio.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 234.9 kB (17%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Shopcasio.co.uk 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. 55% of websites need less resources to load. Images take 865.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 152.8 kB

  • Original 195.7 kB
  • After minification 180.8 kB
  • After compression 42.8 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 152.8 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 51.0 kB

  • Original 865.0 kB
  • After minification 814.0 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. Shop Casio images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 31.0 kB

  • Original 277.8 kB
  • After minification 277.7 kB
  • After compression 246.8 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 31.0 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 42 B

  • Original 47.8 kB
  • After minification 47.8 kB
  • After compression 47.8 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. Shopcasio.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 124 (87%)

Requests Now

143

After Optimization

19

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Casio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 117 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shopcasio.co.uk accessibility score

84

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-hidden="true"] elements contain focusable descendents

High

[role]s do not have all required [aria-*] attributes

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

[id] attributes on active, focusable elements are not unique

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

shopcasio.co.uk best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

shopcasio.co.uk SEO score

82

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

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

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 Shopcasio.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 Shopcasio.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 Shop Casio. 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: