Access rayleigh.co.uk. Current Transformers, kWh Meters, Multifunction Energy Meters, Relays, Instrumentation and Associate...

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.347

32/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

rayleigh.co.uk

282 ms

rayleigh.com

371 ms

www.rayleigh.com

177 ms

www.rayleigh.com

1124 ms

css

34 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rayleigh.co.uk, 91% (84 requests) were made to Rayleigh.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Rayleigh.com.

Content Size

3.5 MB

After Optimization

1.4 MB

In fact, the total size of Rayleigh.co.uk main page is 3.5 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. Javascripts take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 70.4 kB

Original 81.0 kB
After minification 56.9 kB
After compression 10.6 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 24.1 kB, which is 30% 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 70.4 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 19.8 kB

Original 918.3 kB
After minification 898.6 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. Rayleigh images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 1.6 MB

Original 2.0 MB
After minification 1.4 MB
After compression 366.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.6 MB or 81% of the original size.

CSS Optimization

-84%

Potential reduce by 408.6 kB

Original 486.5 kB
After minification 392.9 kB
After compression 77.9 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. Rayleigh.co.uk needs all CSS files to be minified and compressed as it can save up to 408.6 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rayleigh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

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 Rayleigh.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 Rayleigh.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

rayleigh.co.uk

Open Graph description is not detected on the main page of Rayleigh. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Current Transformers, kWh Meters, Multifunction Energy Meters, Relays, Instrumentation and Associated Products | Rayleigh Instruments

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rayleigh.co.uk

rayleigh.com

www.rayleigh.com

www.rayleigh.com

css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rayleigh.co.uk

rayleigh.com

www.rayleigh.com

www.rayleigh.com

css

jquery-ui.min.css

jquery-ui.structure.min.css

font-awesome.css

jquery.bxslider.css

photoswipe.css

bootstrap.css

extra_style.css

styles.css

responsive.css

camera.css

site-styles.css

superfish.css

widgets.css

mm_fileuploader.css

style.css

megamenu.css

cloud-zoom.css

catalogsale.css

tm_googlemap.css

sagePaySuite.css

jquery-1.11.1.min.js

jquery-migrate-1.2.1.min.js

jquery_noconflict.js

prototype_172.js

ccard.js

validation.js

builder.js

effects.js

dragdrop.js

controls.js

slider.js

js.js

form.js

translate.js

cookies.js

js

cloud-zoom.1.0.2.js

jquery.easing.1.3.js