Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cellpowerbatteries.com

Cellpower accu's - Intercel Services B.V.

Page Load Speed

4.6 sec in total

First Response

317 ms

Resources Loaded

3.8 sec

Page Rendered

500 ms

About Website

Visit cellpowerbatteries.com now to see the best up-to-date Cellpower Batteries content and also check out these interesting facts you probably never knew about cellpowerbatteries.com

Cellpower levert betrouwbare AGM accu's voor de opslag van duurzame energie. Daarbij biedt Cellpower accu-accessoires. Lees meer!

Visit cellpowerbatteries.com

Key Findings

We analyzed Cellpowerbatteries.com page load time and found that the first response time was 317 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cellpowerbatteries.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

cellpowerbatteries.com

317 ms

cellpowerbatteries.com

382 ms

1413 ms

gtm.js

70 ms

cleantalk-public.min.css

94 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cellpowerbatteries.com, 88% (68 requests) were made to Intercel.eu and 3% (2 requests) were made to Cdn.icomoon.io. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Intercel.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.4 kB (35%)

Content Size

538.0 kB

After Optimization

347.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cellpowerbatteries.com main page is 538.0 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. 55% of websites need less resources to load. Images take 250.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 108.1 kB

  • Original 131.6 kB
  • After minification 126.8 kB
  • After compression 23.5 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 108.1 kB or 82% of the original size.

Image Optimization

-30%

Potential reduce by 73.9 kB

  • Original 250.2 kB
  • After minification 176.4 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. Obviously, Cellpower Batteries needs image optimization as it can save up to 73.9 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 184 B

  • Original 44.7 kB
  • After minification 44.7 kB
  • After compression 44.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 8.3 kB

  • Original 111.4 kB
  • After minification 110.7 kB
  • After compression 103.1 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. Cellpowerbatteries.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 61 (86%)

Requests Now

71

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cellpower 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 36 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cellpowerbatteries.com accessibility score

80

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cellpowerbatteries.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cellpowerbatteries.com SEO score

90

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

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cellpowerbatteries.com can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Cellpowerbatteries.com 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

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