Tools & Wizards About Us
elektro-shop.cz screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

elektro-shop.cz

PŠIS Nymburk s.r.o. - Školení elektro a prodej měřicí techniky

Page Load Speed

30.4 sec in total

First Response

401 ms

Resources Loaded

24.6 sec

Page Rendered

5.4 sec

elektro-shop.cz screenshot

About Website

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

Školení v oboru elektro. Prodej měřicí techniky, literatury, tiskáren samolepícíh štítků atd. CD ROM ELEKTRO - informace pro elektrikáře, testy pro RT, formuláře, postupy při revizích, výtahy z norem ...

Visit elektro-shop.cz

Key Findings

We analyzed Elektro-shop.cz page load time and found that the first response time was 401 ms and then it took 30 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

elektro-shop.cz performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value12,040 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.067

2/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

elektro-shop.cz

401 ms

www.elektro-shop.cz

3612 ms

vendors.css

205 ms

app.css

316 ms

oxid_layout.css

419 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 76% of them (51 requests) were addressed to the original Elektro-shop.cz, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Ssl.heureka.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.0 kB (13%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elektro-shop.cz main page is 2.2 MB. 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 202.2 kB

  • Original 228.0 kB
  • After minification 176.3 kB
  • After compression 25.7 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 51.6 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 202.2 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 69.1 kB

  • Original 1.8 MB
  • After minification 1.7 MB

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. Elektro Shop images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 3.1 kB

  • Original 80.0 kB
  • After minification 80.0 kB
  • After compression 76.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-16%

Potential reduce by 8.5 kB

  • Original 53.3 kB
  • After minification 53.3 kB
  • After compression 44.7 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. Elektro-shop.cz needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (50%)

Requests Now

56

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elektro Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elektro-shop.cz

elektro-shop.cz

401 ms

www.elektro-shop.cz

www.elektro-shop.cz

3612 ms

vendors.css

vendors.css

205 ms

app.css

app.css

316 ms

oxid_layout.css

oxid_layout.css

419 ms

oxylayer.js

oxylayer.js

317 ms

config.js

config.js

322 ms

translator.js

translator.js

319 ms

jquery-ui.css

jquery-ui.css

81 ms

modules.css

modules.css

302 ms

misc.css

misc.css

397 ms

headermod.css

headermod.css

487 ms

css

css

94 ms

font-awesome.min.css

font-awesome.min.css

126 ms

vendors.js

vendors.js

676 ms

app.js

app.js

544 ms

jquery-ui.min.js

jquery-ui.min.js

675 ms

init.autocomplete_v2.js

init.autocomplete_v2.js

637 ms

multiplechoice.js

multiplechoice.js

638 ms

init.oxyajax.js

init.oxyajax.js

674 ms

global.js

global.js

673 ms

rotator.js

rotator.js

674 ms

oxid.js

oxid.js

673 ms

rc.js

rc.js

669 ms

gtm.js

gtm.js

458 ms

logo_2.png

logo_2.png

344 ms

ico01.png

ico01.png

343 ms

ico02.png

ico02.png

344 ms

ico03.png

ico03.png

342 ms

ico04.png

ico04.png

342 ms

ico05.png

ico05.png

343 ms

ico06.png

ico06.png

508 ms

ico07.png

ico07.png

508 ms

ico08.png

ico08.png

508 ms

sal_bg_v.png

sal_bg_v.png

1127 ms

banner_cd49.png

banner_cd49.png

1109 ms

banner-knihy_testy2022.png

banner-knihy_testy2022.png

1128 ms

banner-stanley.png

banner-stanley.png

1108 ms

budova_psis.jpeg

budova_psis.jpeg

567 ms

ico_state_sleva_sico.png

ico_state_sleva_sico.png

565 ms

ico_state_doprodej_sico.png

ico_state_doprodej_sico.png

693 ms

ico_state_novinka_sico.png

ico_state_novinka_sico.png

692 ms

vestnikinfo_57_cmsico.png

vestnikinfo_57_cmsico.png

801 ms

vestnikinfo_56_cmsico.png

vestnikinfo_56_cmsico.png

797 ms

vestnikinfo_55_cmsico.png

vestnikinfo_55_cmsico.png

1129 ms

tombstone-159792_1280_cmsico.png

tombstone-159792_1280_cmsico.png

1127 ms

YT_iko.jpg

YT_iko.jpg

1126 ms

Facebook_logo.jpg

Facebook_logo.jpg

1131 ms

doprava_Balik-Na-postu.png

doprava_Balik-Na-postu.png

1130 ms

doprava_Balik-Do-ruky.png

doprava_Balik-Do-ruky.png

1131 ms

doprava_doporucena-zasilka.png

doprava_doporucena-zasilka.png

1132 ms

DPD.png

DPD.png

1199 ms

comgate-paticka-e-shopu.png

comgate-paticka-e-shopu.png

1105 ms

ajax-loader.gif

ajax-loader.gif

1146 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

239 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

239 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

335 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

401 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

37 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1141 ms

gjs.php

gjs.php

19945 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

111 ms

widget_v2.334.js

widget_v2.334.js

74 ms

oxid_print.css

oxid_print.css

210 ms

__$$__stringtable_lang_cs.js

__$$__stringtable_lang_cs.js

13 ms

avatar_simple_visitor.png

avatar_simple_visitor.png

276 ms

hbABjQBLsAhQWLEBAY5ZsUYGK1ghsBBZS7AUUlghsIBZHbAGK1xYWbAUKwAAAAFcPYvrAAA=

hbABjQBLsAhQWLEBAY5ZsUYGK1ghsBBZS7AUUlghsIBZHbAGK1xYWbAUKwAAAAFcPYvrAAA=

2 ms

Accessibility Review

elektro-shop.cz accessibility score

89

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

Links do not have a discernible name

Best Practices

elektro-shop.cz 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

elektro-shop.cz SEO score

86

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 uses legible font sizes

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 Elektro-shop.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 Elektro-shop.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

elektro-shop.cz

Open Graph description is not detected on the main page of Elektro Shop. 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: