Tools & Wizards About Us
computerbatteries.co.uk screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

computerbatteries.co.uk

Laptop Batteries and Chargers, Notebook Computer AC Power Adapters

Page Load Speed

1.4 sec in total

First Response

342 ms

Resources Loaded

903 ms

Page Rendered

152 ms

computerbatteries.co.uk screenshot

About Website

Visit computerbatteries.co.uk now to see the best up-to-date Computer Batteries content for United Kingdom and also check out these interesting facts you probably never knew about computerbatteries.co.uk

The PowerUP Web Site Home Page

Visit computerbatteries.co.uk

Key Findings

We analyzed Computerbatteries.co.uk page load time and found that the first response time was 342 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

computerbatteries.co.uk performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

computerbatteries.co.uk

342 ms

powerup.css

157 ms

powerup.js

255 ms

plastic.gif

93 ms

badge.gif

93 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 77% of them (23 requests) were addressed to the original Computerbatteries.co.uk, 10% (3 requests) were made to S7.addthis.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (360 ms) belongs to the original domain Computerbatteries.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.5 kB (66%)

Content Size

495.6 kB

After Optimization

167.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Computerbatteries.co.uk main page is 495.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 388.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 56.9 kB

  • Original 76.3 kB
  • After minification 72.0 kB
  • After compression 19.4 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 75% of the original size.

JavaScript Optimization

-63%

Potential reduce by 244.1 kB

  • Original 388.4 kB
  • After minification 374.7 kB
  • After compression 144.3 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 244.1 kB or 63% of the original size.

CSS Optimization

-89%

Potential reduce by 27.6 kB

  • Original 30.9 kB
  • After minification 22.6 kB
  • After compression 3.3 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. Computerbatteries.co.uk needs all CSS files to be minified and compressed as it can save up to 27.6 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computer Batteries. 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.

Network Requests Diagram

computerbatteries.co.uk

computerbatteries.co.uk

342 ms

powerup.css

powerup.css

157 ms

powerup.js

powerup.js

255 ms

plastic.gif

plastic.gif

93 ms

badge.gif

badge.gif

93 ms

site_location_bar.gif

site_location_bar.gif

93 ms

bgnd.gif

bgnd.gif

158 ms

end.gif

end.gif

159 ms

button.gif

button.gif

170 ms

camera.gif

camera.gif

183 ms

laptop_lg.gif

laptop_lg.gif

183 ms

button.gif

button.gif

186 ms

cnrled.gif

cnrled.gif

254 ms

delivery.gif

delivery.gif

255 ms

secure.gif

secure.gif

260 ms

cnr_tl.gif

cnr_tl.gif

270 ms

cnr.gif

cnr.gif

272 ms

warranty.gif

warranty.gif

276 ms

compatible.gif

compatible.gif

313 ms

delivery.gif

delivery.gif

317 ms

security.gif

security.gif

339 ms

privacy.gif

privacy.gif

360 ms

ukp0001a.gif

ukp0001a.gif

339 ms

lg-share-en.gif

lg-share-en.gif

6 ms

addthis_widget.js

addthis_widget.js

9 ms

ga.js

ga.js

28 ms

boost

boost

13 ms

300lo.json

300lo.json

38 ms

__utm.gif

__utm.gif

11 ms

sh.07f0d9bf220d07a763adad1e.html

sh.07f0d9bf220d07a763adad1e.html

98 ms

Accessibility Review

computerbatteries.co.uk accessibility score

48

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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>).

High

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

Best Practices

computerbatteries.co.uk best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

computerbatteries.co.uk SEO score

69

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

Image elements do not have [alt] attributes

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 Computerbatteries.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 Computerbatteries.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

computerbatteries.co.uk

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