Tools & Wizards About Us
replacement-batteries.co.uk screenshot

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

replacement-batteries.co.uk

UK Replacement Laptop Batteries, laptop AC Adapter, LCD TV PC Monitor Adapter, Laptop Car Charger

Page Load Speed

6.2 sec in total

First Response

2.6 sec

Resources Loaded

3.3 sec

Page Rendered

230 ms

replacement-batteries.co.uk screenshot

About Website

Visit replacement-batteries.co.uk now to see the best up-to-date Replacement Batteries content for Vietnam and also check out these interesting facts you probably never knew about replacement-batteries.co.uk

We offer Replacement Laptop Batteries, laptop AC Adapter, LCD TV PC Monitor Adapter, Laptop Car Charger for Dell, Toshiba, HP Compaq, Sony, Apple, Acer, Asus, IBM and so on. welcome order lowest price...

Visit replacement-batteries.co.uk

Key Findings

We analyzed Replacement-batteries.co.uk page load time and found that the first response time was 2.6 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

replacement-batteries.co.uk performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.372

28/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

replacement-batteries.co.uk

2645 ms

replacement-laptop-batteries.css

72 ms

jQuery.js

215 ms

logo.jpg

137 ms

home.gif

139 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 98% of them (57 requests) were addressed to the original Replacement-batteries.co.uk, 2% (1 request) were made to W3.org. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Replacement-batteries.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.1 kB (40%)

Content Size

321.0 kB

After Optimization

191.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Replacement-batteries.co.uk main page is 321.0 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. 25% of websites need less resources to load. Images take 158.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 65.0 kB

  • Original 76.6 kB
  • After minification 75.3 kB
  • After compression 11.6 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. 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 65.0 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 5.6 kB

  • Original 158.1 kB
  • After minification 152.4 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. Replacement Batteries images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 48.7 kB

  • Original 73.9 kB
  • After minification 73.4 kB
  • After compression 25.2 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 48.7 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 9.8 kB

  • Original 12.4 kB
  • After minification 11.5 kB
  • After compression 2.6 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. Replacement-batteries.co.uk needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (14%)

Requests Now

57

After Optimization

49

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

replacement-batteries.co.uk

replacement-batteries.co.uk

2645 ms

replacement-laptop-batteries.css

replacement-laptop-batteries.css

72 ms

jQuery.js

jQuery.js

215 ms

logo.jpg

logo.jpg

137 ms

home.gif

home.gif

139 ms

about_us.gif

about_us.gif

142 ms

shipping.gif

shipping.gif

140 ms

payment.gif

payment.gif

170 ms

how_to_buy.gif

how_to_buy.gif

205 ms

contact_us.gif

contact_us.gif

206 ms

tracking_order.gif

tracking_order.gif

207 ms

go.gif

go.gif

208 ms

live-chat.js

live-chat.js

437 ms

valid-xhtml10

valid-xhtml10

200 ms

search_bg.gif

search_bg.gif

194 ms

laptop-chargers.jpg

laptop-chargers.jpg

331 ms

laptop-batteries.jpg

laptop-batteries.jpg

198 ms

uk_NASC21TX300D23WHB4.jpg

uk_NASC21TX300D23WHB4.jpg

217 ms

uk_NASC21N143038WHB4.jpg

uk_NASC21N143038WHB4.jpg

215 ms

uk_NASC12N143530WHB4.jpg

uk_NASC12N143530WHB4.jpg

218 ms

uk_NASB31N163743WHB6.jpg

uk_NASB31N163743WHB6.jpg

266 ms

uk_NACAP15A3R30WHB4.jpg

uk_NACAP15A3R30WHB4.jpg

273 ms

uk_NACAP14C8S32WHB3.jpg

uk_NACAP14C8S32WHB3.jpg

300 ms

uk_NHPBO03XL32WHB6.jpg

uk_NHPBO03XL32WHB6.jpg

291 ms

uk_NSMPSP20564WHB6.jpg

uk_NSMPSP20564WHB6.jpg

299 ms

uk_NLVSB10F4645266WHB4.jpg

uk_NLVSB10F4645266WHB4.jpg

358 ms

uk_NLVL16L4PB148WHB4.jpg

uk_NLVL16L4PB148WHB4.jpg

347 ms

uk_NLVL15L4PC341WHB4.jpg

uk_NLVL15L4PC341WHB4.jpg

387 ms

uk_NLVL15L4PC140WHB4.jpg

uk_NLVL15L4PC140WHB4.jpg

379 ms

uk_NLVL14L4A0132WHB4.jpg

uk_NLVL14L4A0132WHB4.jpg

388 ms

uk_NLVL13M4P0148WHB4.jpg

uk_NLVL13M4P0148WHB4.jpg

407 ms

uk_NHPSG03XL3650B6.jpg

uk_NHPSG03XL3650B6.jpg

423 ms

company.gif

company.gif

437 ms

security-order-uk.gif

security-order-uk.gif

447 ms

fast-delivery.gif

fast-delivery.gif

457 ms

paypal.gif

paypal.gif

455 ms

bottom_payment.gif

bottom_payment.gif

474 ms

warranty.gif

warranty.gif

490 ms

Acer_logo.jpg

Acer_logo.jpg

362 ms

lg_logo.jpg

lg_logo.jpg

367 ms

ibm_log.jpg

ibm_log.jpg

383 ms

apple_logo.jpg

apple_logo.jpg

383 ms

fujitsu_logo.jpg

fujitsu_logo.jpg

386 ms

sony_logo.jpg

sony_logo.jpg

426 ms

compaq_logo.jpg

compaq_logo.jpg

428 ms

hp_logo.jpg

hp_logo.jpg

435 ms

toshiba_logo.jpg

toshiba_logo.jpg

464 ms

ask-question.gif

ask-question.gif

469 ms

close-button.gif

close-button.gif

470 ms

keyword_bg.gif

keyword_bg.gif

364 ms

cate_bg.gif

cate_bg.gif

359 ms

line11.gif

line11.gif

366 ms

category_bg.gif

category_bg.gif

368 ms

left-info.gif

left-info.gif

387 ms

bottom_bg1.gif

bottom_bg1.gif

403 ms

bottom_bg2.gif

bottom_bg2.gif

426 ms

bottom_bg3.gif

bottom_bg3.gif

445 ms

flags-sprite.png

flags-sprite.png

339 ms

Accessibility Review

replacement-batteries.co.uk accessibility score

54

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

replacement-batteries.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

replacement-batteries.co.uk SEO score

70

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

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Replacement-batteries.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 Replacement-batteries.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

replacement-batteries.co.uk

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