Report Summary

  • 42

    Performance

    Renders faster than
    63% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

topbaterie.cz

Autobaterie, motobaterie, trakční a staniční baterie, nabíječky

Page Load Speed

4.8 sec in total

First Response

1 sec

Resources Loaded

3.4 sec

Page Rendered

336 ms

topbaterie.cz screenshot

About Website

Visit topbaterie.cz now to see the best up-to-date Top Baterie content for Czech Republic and also check out these interesting facts you probably never knew about topbaterie.cz

Autobaterie a motobaterie máme trvale skladem. Repase baterií a aku-packů do všech možných elektrických nástrojů.

Visit topbaterie.cz

Key Findings

We analyzed Topbaterie.cz page load time and found that the first response time was 1 sec and then it took 3.7 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

topbaterie.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value1.343

0/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

topbaterie.cz

1032 ms

accu.css

157 ms

js.js

292 ms

featuredcontentglider.js

395 ms

contentslider.js

402 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 91% of them (60 requests) were addressed to the original Topbaterie.cz, 5% (3 requests) were made to Ssl.heureka.cz and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Topbaterie.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.0 kB (16%)

Content Size

570.7 kB

After Optimization

480.7 kB

In fact, the total size of Topbaterie.cz main page is 570.7 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. 35% of websites need less resources to load. Images take 459.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 44.4 kB

  • Original 53.3 kB
  • After minification 41.0 kB
  • After compression 8.9 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. This page needs HTML code to be minified as it can gain 12.3 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 44.4 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 13.0 kB

  • Original 459.3 kB
  • After minification 446.3 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. Top Baterie images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 16.4 kB

  • Original 37.6 kB
  • After minification 30.2 kB
  • After compression 21.2 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 16.4 kB or 44% of the original size.

CSS Optimization

-79%

Potential reduce by 16.2 kB

  • Original 20.5 kB
  • After minification 17.5 kB
  • After compression 4.3 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. Topbaterie.cz needs all CSS files to be minified and compressed as it can save up to 16.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (25%)

Requests Now

65

After Optimization

49

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top Baterie. 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.

Accessibility Review

topbaterie.cz accessibility score

90

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

Links do not have a discernible name

Best Practices

topbaterie.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

topbaterie.cz SEO score

92

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

    CS

  • Language Claimed

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Topbaterie.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Topbaterie.cz 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 Top Baterie. 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: