Tools & Wizards About Us
expert-eshop.cz screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

expert-eshop.cz

Expert Elektro - TV, audio, bílé zboží, foto, GPS, telefony

Page Load Speed

7.2 sec in total

First Response

1 sec

Resources Loaded

5.7 sec

Page Rendered

378 ms

expert-eshop.cz screenshot

About Website

Visit expert-eshop.cz now to see the best up-to-date Expert Eshop content and also check out these interesting facts you probably never knew about expert-eshop.cz

expert Elektro je maloobchodní prodejce elektra, domácích spotřebičů, černé techniky, mobilů a IT. Nově můžete objednávat i online na www.expert.cz.

Visit expert-eshop.cz

Key Findings

We analyzed Expert-eshop.cz page load time and found that the first response time was 1 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

expert-eshop.cz performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,400 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.382

27/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

www.expert.cz

1033 ms

actions.js

464 ms

persoo.js

507 ms

persoo-ui.js

593 ms

main.min.css

1665 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Expert-eshop.cz, 18% (12 requests) were made to Scr.expert.cz and 10% (7 requests) were made to Expert.cz. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Img.expert.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 MB (84%)

Content Size

3.7 MB

After Optimization

595.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Expert-eshop.cz main page is 3.7 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. 60% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 246.5 kB

  • Original 290.3 kB
  • After minification 255.0 kB
  • After compression 43.9 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 35.4 kB, which is 12% 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 246.5 kB or 85% of the original size.

Image Optimization

-97%

Potential reduce by 2.8 MB

  • Original 2.9 MB
  • After minification 100.4 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, Expert Eshop needs image optimization as it can save up to 2.8 MB or 97% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 19.5 kB

  • Original 436.7 kB
  • After minification 436.7 kB
  • After compression 417.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 33.4 kB
  • After minification 33.4 kB
  • After compression 33.4 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. Expert-eshop.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (48%)

Requests Now

65

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Expert Eshop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.expert.cz

www.expert.cz

1033 ms

actions.js

actions.js

464 ms

persoo.js

persoo.js

507 ms

persoo-ui.js

persoo-ui.js

593 ms

main.min.css

main.min.css

1665 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

1664 ms

jquery-ui.min.js

jquery-ui.min.js

17 ms

lazysizes.min.js

lazysizes.min.js

1559 ms

shp.js

shp.js

1701 ms

bvsKlub.js

bvsKlub.js

1557 ms

shp_1_2.js

shp_1_2.js

309 ms

lang_1.js

lang_1.js

415 ms

ajax.js

ajax.js

1559 ms

jquery.cookie.js

jquery.cookie.js

1703 ms

function.js

function.js

1766 ms

cookiecontrol.js

cookiecontrol.js

1703 ms

slick.min.js

slick.min.js

1769 ms

cookieconsent.js

cookieconsent.js

1568 ms

integration

integration

48 ms

mainjs.js

mainjs.js

1570 ms

workflow.js

workflow.js

548 ms

loading_image.gif

loading_image.gif

148 ms

OOWidget.js

OOWidget.js

1395 ms

gtm.js

gtm.js

104 ms

gjs.php

gjs.php

622 ms

sprite.svg

sprite.svg

571 ms

landing

landing

551 ms

js

js

70 ms

pixel

pixel

525 ms

Pug

Pug

690 ms

poco_1240x400_1.png

poco_1240x400_1.png

1759 ms

1240x400_Mora_Cashback_kveten_2024_01a.png

1240x400_Mora_Cashback_kveten_2024_01a.png

2059 ms

1240x400_Tyden_se_znackou_Leifheit_kveten_2024_01b.png

1240x400_Tyden_se_znackou_Leifheit_kveten_2024_01b.png

1741 ms

1240x400_Xiaomi%206S_plus_01a.png

1240x400_Xiaomi%206S_plus_01a.png

1519 ms

1240x400_VIVO%20V40SE_duben_2024_02a_1.png

1240x400_VIVO%20V40SE_duben_2024_02a_1.png

1641 ms

AEG_logo_250x250.jpg

AEG_logo_250x250.jpg

1087 ms

beko-logo-01.jpg

beko-logo-01.jpg

1202 ms

bosch_logo_250x250.jpg

bosch_logo_250x250.jpg

1323 ms

Delonghi_logo_250x250.jpg

Delonghi_logo_250x250.jpg

1436 ms

ecg_newlogo_250x250.jpg

ecg_newlogo_250x250.jpg

1550 ms

workflow.js

workflow.js

492 ms

destination

destination

486 ms

fbevents.js

fbevents.js

640 ms

destination

destination

640 ms

destination

destination

639 ms

bat.js

bat.js

879 ms

img-arrow-left-dark.png

img-arrow-left-dark.png

189 ms

img-arrow-right-dark.png

img-arrow-right-dark.png

188 ms

cm

cm

203 ms

187095727.js

187095727.js

43 ms

187095727

187095727

801 ms

retargeting.js

retargeting.js

686 ms

100001915284-202.jpg

100001915284-202.jpg

259 ms

logo-tefal-250x250.jpg

logo-tefal-250x250.jpg

119 ms

Xiaomi_logo_250x250.jpg

Xiaomi_logo_250x250.jpg

126 ms

logo-krups-250x250.jpg

logo-krups-250x250.jpg

118 ms

mcled_logo_250x250.jpg

mcled_logo_250x250.jpg

213 ms

logo-rowenta-250x250.jpg

logo-rowenta-250x250.jpg

220 ms

clarity.js

clarity.js

17 ms

600x300_ECG_jarni_kampan_01a.png

600x300_ECG_jarni_kampan_01a.png

442 ms

Pra%C4%8Dky%20a%20su%C5%A1i%C4%8Dky_6.jpg

Pra%C4%8Dky%20a%20su%C5%A1i%C4%8Dky_6.jpg

116 ms

susicky.jpg

susicky.jpg

115 ms

My%C4%8Dka%20n%C3%A1dob%C3%AD.JPG

My%C4%8Dka%20n%C3%A1dob%C3%AD.JPG

112 ms

samsung_logo_250x250.jpg

samsung_logo_250x250.jpg

116 ms

340511365248-202.jpg

340511365248-202.jpg

124 ms

100001587378-202.jpg

100001587378-202.jpg

115 ms

100001945515-202.jpg

100001945515-202.jpg

224 ms

c.gif

c.gif

7 ms

Accessibility Review

expert-eshop.cz accessibility score

79

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

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

expert-eshop.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

Missing source maps for large first-party JavaScript

SEO Factors

expert-eshop.cz SEO score

90

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 Expert-eshop.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 Expert-eshop.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

expert-eshop.cz

Open Graph description is not detected on the main page of Expert Eshop. 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: