Tools & Wizards About Us
criticalpowersupplies.co.uk screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    41% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

criticalpowersupplies.co.uk

Uninterruptible Power Supplies - UPS Power Supply | CPS

Page Load Speed

1.9 sec in total

First Response

189 ms

Resources Loaded

1.2 sec

Page Rendered

501 ms

criticalpowersupplies.co.uk screenshot

About Website

Click here to check amazing Critical Power Supplies content for United Kingdom. Otherwise, check out these important facts you probably never knew about criticalpowersupplies.co.uk

Backup power solutions available including uninterruptible power supplies (UPS). Competitive prices across our range. Shop today!

Visit criticalpowersupplies.co.uk

Key Findings

We analyzed Criticalpowersupplies.co.uk page load time and found that the first response time was 189 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

criticalpowersupplies.co.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,890 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

criticalpowersupplies.co.uk

189 ms

www.criticalpowersupplies.co.uk

521 ms

ga.js

29 ms

reset,fonts,jscrollpane2,jQuery-ui,jquery.fancybox,cps-2015.css

60 ms

jquery-1.11.0,jquery-ui.min,application,jscrollpane2,jquery.fancybox.js

89 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Criticalpowersupplies.co.uk, 80% (52 requests) were made to Assets-cf.criticalpowersupplies.co.uk and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (521 ms) belongs to the original domain Criticalpowersupplies.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 497.6 kB (20%)

Content Size

2.5 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Criticalpowersupplies.co.uk main page is 2.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 53.3 kB

  • Original 66.3 kB
  • After minification 59.3 kB
  • After compression 13.0 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. This page needs HTML code to be minified as it can gain 7.0 kB, which is 11% 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 53.3 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 42.8 kB

  • Original 1.9 MB
  • After minification 1.8 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. Critical Power Supplies images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 253.1 kB

  • Original 384.3 kB
  • After minification 365.1 kB
  • After compression 131.2 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 253.1 kB or 66% of the original size.

CSS Optimization

-87%

Potential reduce by 148.4 kB

  • Original 169.9 kB
  • After minification 134.1 kB
  • After compression 21.5 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. Criticalpowersupplies.co.uk needs all CSS files to be minified and compressed as it can save up to 148.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (9%)

Requests Now

57

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Critical Power Supplies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

criticalpowersupplies.co.uk

criticalpowersupplies.co.uk

189 ms

www.criticalpowersupplies.co.uk

www.criticalpowersupplies.co.uk

521 ms

ga.js

ga.js

29 ms

reset,fonts,jscrollpane2,jQuery-ui,jquery.fancybox,cps-2015.css

reset,fonts,jscrollpane2,jQuery-ui,jquery.fancybox,cps-2015.css

60 ms

jquery-1.11.0,jquery-ui.min,application,jscrollpane2,jquery.fancybox.js

jquery-1.11.0,jquery-ui.min,application,jscrollpane2,jquery.fancybox.js

89 ms

23446.js

23446.js

143 ms

conversion.js

conversion.js

15 ms

__utm.gif

__utm.gif

130 ms

search-spyglass.png

search-spyglass.png

280 ms

logo.png

logo.png

103 ms

icon-facebook.jpg

icon-facebook.jpg

105 ms

icon-twitter.jpg

icon-twitter.jpg

106 ms

icon-linkedin.jpg

icon-linkedin.jpg

105 ms

basket-white-out.png

basket-white-out.png

103 ms

promotion_banner_36880_1453325402.jpg

promotion_banner_36880_1453325402.jpg

107 ms

promotion_banner_34083_1453314855.jpg

promotion_banner_34083_1453314855.jpg

111 ms

promotion_banner_36881_1453325402.jpg

promotion_banner_36881_1453325402.jpg

112 ms

black-bg.png

black-bg.png

105 ms

promotion_banner_34085_1453314855.png

promotion_banner_34085_1453314855.png

113 ms

promotion_banner_36882_1453325402.png

promotion_banner_36882_1453325402.png

107 ms

promotion_banner_34084_1453314855.png

promotion_banner_34084_1453314855.png

109 ms

request-callback.png

request-callback.png

106 ms

email-us.png

email-us.png

107 ms

contact-us.png

contact-us.png

109 ms

site-survey-request.png

site-survey-request.png

110 ms

promotion_banner_84939_1455036717.jpg

promotion_banner_84939_1455036717.jpg

112 ms

promotion_banner_84935_1455036846.jpg

promotion_banner_84935_1455036846.jpg

113 ms

homepage_case_study_36941_1453325407.jpg

homepage_case_study_36941_1453325407.jpg

110 ms

homepage_case_study_36938_1453325406.jpg

homepage_case_study_36938_1453325406.jpg

112 ms

homepage_brochure_34147_1453314864.jpg

homepage_brochure_34147_1453314864.jpg

113 ms

homepage_brochure_36958_1453325410.png

homepage_brochure_36958_1453325410.png

116 ms

homepage_brochure_36936_1453325406.jpg

homepage_brochure_36936_1453325406.jpg

113 ms

full_size_36930_1453325406.png

full_size_36930_1453325406.png

115 ms

full_size_36931_1453325406.png

full_size_36931_1453325406.png

113 ms

full_size_34133_1453314862.jpg

full_size_34133_1453314862.jpg

114 ms

full_size_36883_1453325402.png

full_size_36883_1453325402.png

113 ms

full_size_34086_1453314855.png

full_size_34086_1453314855.png

117 ms

full_size_36885_1453325402.png

full_size_36885_1453325402.png

118 ms

full_size_34087_1453314855.png

full_size_34087_1453314855.png

117 ms

full_size_36884_1453325403.png

full_size_36884_1453325403.png

117 ms

full_size_34088_1453314855.png

full_size_34088_1453314855.png

116 ms

full_size_36886_1453325402.png

full_size_36886_1453325402.png

116 ms

accreditation_36912_1453325405.jpg

accreditation_36912_1453325405.jpg

119 ms

why-critical-power.png

why-critical-power.png

328 ms

accreditation_34115_1453314859.jpg

accreditation_34115_1453314859.jpg

116 ms

2F1D80_0_0.woff

2F1D80_0_0.woff

119 ms

tracking.js

tracking.js

119 ms

accreditation_36913_1453325405.jpg

accreditation_36913_1453325405.jpg

27 ms

collect

collect

95 ms

accreditation_34117_1453314859.jpg

accreditation_34117_1453314859.jpg

25 ms

accreditation_36910_1453325404.jpg

accreditation_36910_1453325404.jpg

39 ms

accreditation_34114_1453314859.gif

accreditation_34114_1453314859.gif

23 ms

accreditation_36914_1453325405.png

accreditation_36914_1453325405.png

39 ms

accreditation_34116_1453314859.gif

accreditation_34116_1453314859.gif

38 ms

accreditation_36915_1453325405.JPG

accreditation_36915_1453325405.JPG

26 ms

accreditation_34118_1453314859.jpg

accreditation_34118_1453314859.jpg

26 ms

accreditation_36916_1453325405.png

accreditation_36916_1453325405.png

139 ms

logo-small.png

logo-small.png

36 ms

bullet.png

bullet.png

35 ms

2F1D80_1_0.woff

2F1D80_1_0.woff

35 ms

2F1D80_3_0.woff

2F1D80_3_0.woff

67 ms

82 ms

2F1D80_1_0.ttf

2F1D80_1_0.ttf

17 ms

script_data.js

script_data.js

179 ms

ga-audiences

ga-audiences

45 ms

Accessibility Review

criticalpowersupplies.co.uk accessibility score

82

Accessibility Issues

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

Image elements do not have [alt] attributes

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.

Best Practices

criticalpowersupplies.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Missing source maps for large first-party JavaScript

SEO Factors

criticalpowersupplies.co.uk SEO score

83

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Criticalpowersupplies.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Criticalpowersupplies.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

criticalpowersupplies.co.uk

Open Graph description is not detected on the main page of Critical Power Supplies. 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: