Tools & Wizards About Us
elektrocoleti.cz screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

elektrocoleti.cz

Elektro Co Letí

Page Load Speed

4.5 sec in total

First Response

1.2 sec

Resources Loaded

3.1 sec

Page Rendered

186 ms

elektrocoleti.cz screenshot

About Website

Click here to check amazing Elektro Co Leti content for Czech Republic. Otherwise, check out these important facts you probably never knew about elektrocoleti.cz

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Key Findings

We analyzed Elektrocoleti.cz page load time and found that the first response time was 1.2 sec and then it took 3.3 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

elektrocoleti.cz performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.441

21/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

elektrocoleti.cz

1233 ms

db3672e00d76abdc478093910f60cba6_all.css

231 ms

custom.css

242 ms

08ef28f8943cb4fc8a560f0fa3685de5.js

393 ms

custom.js

241 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 83% of them (59 requests) were addressed to the original Elektrocoleti.cz, 3% (2 requests) were made to C.imedia.cz and 3% (2 requests) were made to Heureka.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Elektrocoleti.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.7 kB (51%)

Content Size

531.5 kB

After Optimization

262.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elektrocoleti.cz main page is 531.5 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 232.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 50.3 kB

  • Original 62.5 kB
  • After minification 53.8 kB
  • After compression 12.2 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 8.7 kB, which is 14% 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 50.3 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 68.6 kB

  • Original 232.9 kB
  • After minification 164.3 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. Obviously, Elektro Co Leti needs image optimization as it can save up to 68.6 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 81.5 kB

  • Original 156.0 kB
  • After minification 155.4 kB
  • After compression 74.5 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 81.5 kB or 52% of the original size.

CSS Optimization

-85%

Potential reduce by 68.3 kB

  • Original 80.0 kB
  • After minification 57.7 kB
  • After compression 11.8 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. Elektrocoleti.cz needs all CSS files to be minified and compressed as it can save up to 68.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (21%)

Requests Now

68

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elektro Co Leti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

elektrocoleti.cz

elektrocoleti.cz

1233 ms

db3672e00d76abdc478093910f60cba6_all.css

db3672e00d76abdc478093910f60cba6_all.css

231 ms

custom.css

custom.css

242 ms

08ef28f8943cb4fc8a560f0fa3685de5.js

08ef28f8943cb4fc8a560f0fa3685de5.js

393 ms

custom.js

custom.js

241 ms

conversion.js

conversion.js

15 ms

retargeting.js

retargeting.js

336 ms

gjs.php

gjs.php

324 ms

dot.asp

dot.asp

215 ms

h_bg.gif

h_bg.gif

121 ms

logo.jpg

logo.jpg

118 ms

facebook_icon.png

facebook_icon.png

119 ms

google-plus-icon.png

google-plus-icon.png

123 ms

heureka-icon.png

heureka-icon.png

124 ms

zbozi-icon.png

zbozi-icon.png

230 ms

seznam-firmy-icon.png

seznam-firmy-icon.png

231 ms

seznam-mapy-icon.png

seznam-mapy-icon.png

233 ms

google-maps-icon.png

google-maps-icon.png

239 ms

PayU_150x150_animated-banner.gif

PayU_150x150_animated-banner.gif

482 ms

ultrazvukovy-cistic-ud-039.jpg

ultrazvukovy-cistic-ud-039.jpg

244 ms

digitalni-dverni-kukatko-s-kamerou-hqs-708.jpg

digitalni-dverni-kukatko-s-kamerou-hqs-708.jpg

344 ms

sportovni-outdoor-akcni-kamera-na-helmu-hyh-0066.jpg

sportovni-outdoor-akcni-kamera-na-helmu-hyh-0066.jpg

343 ms

iontovy-nastroj-krasy-ny-e022.jpg

iontovy-nastroj-krasy-ny-e022.jpg

346 ms

tablet-s-offlinovym-prekladacem-a-slovnikem-v-71.jpg

tablet-s-offlinovym-prekladacem-a-slovnikem-v-71.jpg

358 ms

masazni-kreslo-jett-37.jpg

masazni-kreslo-jett-37.jpg

365 ms

detsky-telefon-konka-q3.jpg

detsky-telefon-konka-q3.jpg

457 ms

vyhrivane-rukavice-dk-g.jpg

vyhrivane-rukavice-dk-g.jpg

457 ms

multifunkcni-profesionalni-hledac-klicu-4-v-1-hl-kf04a.jpg

multifunkcni-profesionalni-hledac-klicu-4-v-1-hl-kf04a.jpg

460 ms

bluetooth-selfie-hulka.jpg

bluetooth-selfie-hulka.jpg

477 ms

analyzer-pleti-skt-03.jpg

analyzer-pleti-skt-03.jpg

486 ms

masazni-kreslo-jett-a70.jpg

masazni-kreslo-jett-a70.jpg

569 ms

motorizovana-micro-jehla-my-m.jpg

motorizovana-micro-jehla-my-m.jpg

570 ms

ineck-2.jpg

ineck-2.jpg

575 ms

ipalm.jpg

ipalm.jpg

623 ms

shoproku2015.png

shoproku2015.png

600 ms

nahradni-naustek-pro-alkohol-tester-jett6.jpg

nahradni-naustek-pro-alkohol-tester-jett6.jpg

605 ms

cistic-a-osvezovac-vzduchu-kj-167.jpg

cistic-a-osvezovac-vzduchu-kj-167.jpg

683 ms

bullet.gif

bullet.gif

684 ms

perlickova-masaz-do-vany-we-999-5.jpg

perlickova-masaz-do-vany-we-999-5.jpg

690 ms

vyhrivane-rukavice-dk-g.jpg

vyhrivane-rukavice-dk-g.jpg

720 ms

luxusni-silikonove-led-hodinky-digitalni-th030518.jpg

luxusni-silikonove-led-hodinky-digitalni-th030518.jpg

740 ms

740 ms

search.gif

search.gif

788 ms

button-medium.png

button-medium.png

788 ms

doporucene.png

doporucene.png

771 ms

dc.js

dc.js

40 ms

54 ms

retargeting

retargeting

114 ms

__utm.gif

__utm.gif

12 ms

31 ms

ga-audiences

ga-audiences

25 ms

cart.php

cart.php

778 ms

productlist-sleva-50.2.png

productlist-sleva-50.2.png

755 ms

productlist-free-shipping.png

productlist-free-shipping.png

788 ms

button-medium_exclusive.png

button-medium_exclusive.png

792 ms

productlist-on-sale.2.png

productlist-on-sale.2.png

793 ms

cart.png

cart.png

693 ms

sort_desc_white.png

sort_desc_white.png

762 ms

sort_asc_white.png

sort_asc_white.png

784 ms

button-large_exclusive.gif

button-large_exclusive.gif

784 ms

kontakt.png

kontakt.png

785 ms

widget.php

widget.php

120 ms

doprava.png

doprava.png

687 ms

join-newsletter.png

join-newsletter.png

695 ms

novinky2.png

novinky2.png

769 ms

button-large.png

button-large.png

777 ms

nejprodavanejsi2.png

nejprodavanejsi2.png

777 ms

slevy2.png

slevy2.png

685 ms

more.gif

more.gif

685 ms

ah50dl.jpg

ah50dl.jpg

523 ms

left-zalozka-only.png

left-zalozka-only.png

309 ms

Accessibility Review

elektrocoleti.cz accessibility score

58

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

Form elements do not have associated labels

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.

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

elektrocoleti.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

SEO Factors

elektrocoleti.cz SEO score

100

Search Engine Optimization Advices

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elektrocoleti.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 Elektrocoleti.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

elektrocoleti.cz

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