Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 87

    SEO

    Google-friendlier than
    66% of websites

shopelektro.cz

shopelektro.cz - e-shop s elektroinstalačním materiálem

Page Load Speed

5.8 sec in total

First Response

391 ms

Resources Loaded

5.1 sec

Page Rendered

303 ms

shopelektro.cz screenshot

About Website

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

Široký výběr elektroinstalačního materiálu, běžný sortiment skladem, odborné poradenství a osobní odběr zdarma na všech pobočkách pro Váš snadný nákup!

Visit shopelektro.cz

Key Findings

We analyzed Shopelektro.cz page load time and found that the first response time was 391 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

shopelektro.cz performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value2,020 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

shopelektro.cz

391 ms

www.shopelektro.cz

1466 ms

b8700018530eaf23262e249d90d7a781_1657788901_all.css

392 ms

font-awesome.min.css

45 ms

core.js

756 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 59% of them (35 requests) were addressed to the original Shopelektro.cz, 8% (5 requests) were made to Google-analytics.com and 3% (2 requests) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Shopelektro.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.1 kB (27%)

Content Size

242.6 kB

After Optimization

176.6 kB

In fact, the total size of Shopelektro.cz main page is 242.6 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. 45% of websites need less resources to load. HTML takes 75.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 63.8 kB

  • Original 75.8 kB
  • After minification 54.3 kB
  • After compression 12.0 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 21.5 kB, which is 28% 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 63.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 212 B

  • Original 44.8 kB
  • After minification 44.6 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. Shop Elektro images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.6 kB

  • Original 61.6 kB
  • After minification 61.5 kB
  • After compression 60.0 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

-1%

Potential reduce by 510 B

  • Original 60.5 kB
  • After minification 60.5 kB
  • After compression 60.0 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. Shopelektro.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (53%)

Requests Now

53

After Optimization

25

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shop Elektro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

shopelektro.cz accessibility score

97

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

shopelektro.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

shopelektro.cz SEO score

87

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

    CS

  • Encoding

    UTF-8

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