Tools & Wizards About Us
energizer.co.uk screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

energizer.co.uk

Energizer® Batteries, Battery Chargers and Flash Lights

Page Load Speed

4.1 sec in total

First Response

163 ms

Resources Loaded

3.8 sec

Page Rendered

156 ms

energizer.co.uk screenshot

About Website

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

Beyond batteries and lighting, our real product is bringing positivenergy to the world. Energizer believe everyone has the power to make a positive impact.

Visit energizer.co.uk

Key Findings

We analyzed Energizer.co.uk page load time and found that the first response time was 163 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

energizer.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.959

3/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

energizer.co.uk

163 ms

2294 ms

screen.css

44 ms

custom-css-ga.css

86 ms

aos.css

71 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Energizer.co.uk, 91% (79 requests) were made to Energizer.eu and 2% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Energizer.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.1 kB (3%)

Content Size

3.0 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Energizer.co.uk main page is 3.0 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. 80% 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 65.9 kB

  • Original 81.3 kB
  • After minification 74.8 kB
  • After compression 15.4 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 65.9 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 15.3 kB

  • Original 2.7 MB
  • After minification 2.7 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. Energizer images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 3.0 kB

  • Original 119.6 kB
  • After minification 119.6 kB
  • After compression 116.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 6.9 kB

  • Original 50.4 kB
  • After minification 50.4 kB
  • After compression 43.5 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. Energizer.co.uk needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (71%)

Requests Now

84

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energizer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

energizer.co.uk

energizer.co.uk

163 ms

2294 ms

screen.css

screen.css

44 ms

custom-css-ga.css

custom-css-ga.css

86 ms

aos.css

aos.css

71 ms

aos.js

aos.js

83 ms

script.js

script.js

81 ms

style.min.css

style.min.css

52 ms

dynamic-mobmenu.css

dynamic-mobmenu.css

42 ms

css

css

69 ms

mobmenu-icons.css

mobmenu-icons.css

105 ms

mobmenu.css

mobmenu.css

48 ms

jquery.min.js

jquery.min.js

55 ms

include.js

include.js

76 ms

mobmenu.js

mobmenu.js

124 ms

shailan-dropdown.min.css

shailan-dropdown.min.css

127 ms

web20.css

web20.css

52 ms

osano.js

osano.js

290 ms

hoverIntent.min.js

hoverIntent.min.js

51 ms

comment-reply.min.js

comment-reply.min.js

128 ms

js-min.js

js-min.js

77 ms

modernizr-custom.js

modernizr-custom.js

118 ms

picturefill.min.js

picturefill.min.js

98 ms

jquery.popupoverlay.js

jquery.popupoverlay.js

99 ms

uk.png

uk.png

39 ms

dropdown-black.png

dropdown-black.png

39 ms

hy.png

hy.png

43 ms

at.png

at.png

39 ms

az.png

az.png

40 ms

by.png

by.png

43 ms

benl.png

benl.png

77 ms

be.png

be.png

77 ms

cyy.png

cyy.png

82 ms

cs.png

cs.png

78 ms

da.png

da.png

80 ms

nl.png

nl.png

80 ms

eu2.png

eu2.png

97 ms

fi.png

fi.png

100 ms

fr.png

fr.png

98 ms

ge.png

ge.png

100 ms

de.png

de.png

101 ms

el.png

el.png

102 ms

hu.png

hu.png

835 ms

is.png

is.png

835 ms

ga.png

ga.png

836 ms

it.png

it.png

837 ms

kz.png

kz.png

836 ms

kg.png

kg.png

838 ms

nb.png

nb.png

841 ms

pl.png

pl.png

838 ms

pt-pt.png

pt-pt.png

841 ms

ro.png

ro.png

842 ms

sk.png

sk.png

842 ms

es.png

es.png

842 ms

sv.png

sv.png

843 ms

chf.png

chf.png

843 ms

ch.png

ch.png

844 ms

tr.png

tr.png

845 ms

tm.png

tm.png

844 ms

uz.png

uz.png

845 ms

lit.png

lit.png

815 ms

facebook.png

facebook.png

814 ms

logo.png

logo.png

814 ms

Banner_01.jpg

Banner_01.jpg

819 ms

LITHIUM1.jpg

LITHIUM1.jpg

813 ms

Banner_3.jpg

Banner_3.jpg

782 ms

MAXPLUS1.jpg

MAXPLUS1.jpg

777 ms

5_Lights_UK.jpg

5_Lights_UK.jpg

779 ms

LIGHTS1.jpg

LIGHTS1.jpg

779 ms

Banner_02.jpg

Banner_02.jpg

784 ms

SPECIALTY1.jpg

SPECIALTY1.jpg

775 ms

EnergiProNarrow-Regular.otf

EnergiProNarrow-Regular.otf

779 ms

video_banner_English-3.jpg

video_banner_English-3.jpg

764 ms

service2.jpg

service2.jpg

760 ms

lighting.jpg

lighting.jpg

762 ms

mobile.jpg

mobile.jpg

761 ms

dropdown.png

dropdown.png

761 ms

search_icon.png

search_icon.png

762 ms

brand-stripe.png

brand-stripe.png

185 ms

child-battery-safety.webp

child-battery-safety.webp

115 ms

chrome-cta.png

chrome-cta.png

183 ms

Learn_about.webp

Learn_about.webp

115 ms

Product_finder.webp

Product_finder.webp

114 ms

batt-logo.png

batt-logo.png

113 ms

analytics.js

analytics.js

118 ms

arrow-left.png

arrow-left.png

36 ms

arrow-right.png

arrow-right.png

37 ms

Accessibility Review

energizer.co.uk accessibility score

98

Accessibility Issues

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

energizer.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

energizer.co.uk SEO score

90

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

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 Energizer.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 Energizer.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

energizer.co.uk

Open Graph data is detected on the main page of Energizer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: