Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

batteryupgrade.es

Baterías para todos los aparatos en el mundo - BatteryUpgrade

Page Load Speed

3.1 sec in total

First Response

290 ms

Resources Loaded

2.7 sec

Page Rendered

148 ms

batteryupgrade.es screenshot

About Website

Welcome to batteryupgrade.es homepage info - get ready to check Battery Upgrade best content for Spain right away, or after learning these important things about batteryupgrade.es

BatteryUpgrade.es vende baterías de repuesto de gran calidad para PDAs, smartphones, reproductores de mp3, iPod, portátiles y mucho más. ¡Ofrecemos transporte gratuito a todo el mundo!

Visit batteryupgrade.es

Key Findings

We analyzed Batteryupgrade.es page load time and found that the first response time was 290 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

batteryupgrade.es performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value920 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

batteryupgrade.es

290 ms

www.batteryupgrade.es

1634 ms

main.min.css

142 ms

functions.js

134 ms

js

129 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 33% of them (10 requests) were addressed to the original Batteryupgrade.es, 27% (8 requests) were made to Media.bttry.net and 10% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Batteryupgrade.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 566.8 kB (64%)

Content Size

889.0 kB

After Optimization

322.2 kB

In fact, the total size of Batteryupgrade.es main page is 889.0 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. Javascripts take 511.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 75.0 kB

  • Original 95.4 kB
  • After minification 95.2 kB
  • After compression 20.4 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 75.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

  • Original 116.1 kB
  • After minification 114.9 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. Battery Upgrade images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 350.9 kB

  • Original 511.8 kB
  • After minification 454.6 kB
  • After compression 160.9 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 350.9 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 139.7 kB

  • Original 165.8 kB
  • After minification 165.7 kB
  • After compression 26.1 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. Batteryupgrade.es needs all CSS files to be minified and compressed as it can save up to 139.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (39%)

Requests Now

23

After Optimization

14

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Battery Upgrade. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

batteryupgrade.es accessibility score

61

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.

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

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

batteryupgrade.es best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

batteryupgrade.es SEO score

92

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

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Batteryupgrade.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Batteryupgrade.es 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 description is not detected on the main page of Battery Upgrade. 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: