Tools & Wizards About Us
jakzvysitprodej.cz screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

jakzvysitprodej.cz

Nové zákazníky, vyšší tržby a lepší marže - Pavel Řehulka - JakZvysitProdej.cz

Page Load Speed

2.3 sec in total

First Response

378 ms

Resources Loaded

1.6 sec

Page Rendered

297 ms

jakzvysitprodej.cz screenshot

About Website

Visit jakzvysitprodej.cz now to see the best up-to-date Jak Zvysit Prodej content and also check out these interesting facts you probably never knew about jakzvysitprodej.cz

Dobré zprávy: Pokud se některému z vašich konkurentů daří, pak to znamená, že víc prodávat a mít větší zisk můžete i vy.

Visit jakzvysitprodej.cz

Key Findings

We analyzed Jakzvysitprodej.cz page load time and found that the first response time was 378 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

jakzvysitprodej.cz performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

jakzvysitprodej.cz

378 ms

style.css

118 ms

lightbox.css

221 ms

prototype.js

371 ms

scriptaculous.js

221 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 85% of them (41 requests) were addressed to the original Jakzvysitprodej.cz, 4% (2 requests) were made to Apis.google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (656 ms) belongs to the original domain Jakzvysitprodej.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 218.3 kB (37%)

Content Size

588.9 kB

After Optimization

370.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jakzvysitprodej.cz main page is 588.9 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 324.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 18.1 kB

  • Original 25.2 kB
  • After minification 24.6 kB
  • After compression 7.1 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.1 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 20.3 kB

  • Original 324.5 kB
  • After minification 304.2 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. Jak Zvysit Prodej images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 168.4 kB

  • Original 224.6 kB
  • After minification 166.8 kB
  • After compression 56.2 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 168.4 kB or 75% of the original size.

CSS Optimization

-79%

Potential reduce by 11.4 kB

  • Original 14.6 kB
  • After minification 11.7 kB
  • After compression 3.1 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. Jakzvysitprodej.cz needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (38%)

Requests Now

47

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jak Zvysit Prodej. 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 as a result speed up the page load time.

Network Requests Diagram

jakzvysitprodej.cz

jakzvysitprodej.cz

378 ms

style.css

style.css

118 ms

lightbox.css

lightbox.css

221 ms

prototype.js

prototype.js

371 ms

scriptaculous.js

scriptaculous.js

221 ms

lightbox.js

lightbox.js

222 ms

kontrola_vyplneni_retezec.js

kontrola_vyplneni_retezec.js

232 ms

kontrola_vyplneni_email.js

kontrola_vyplneni_email.js

240 ms

fce_open_window.js

fce_open_window.js

335 ms

swfobject.js

swfobject.js

337 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

338 ms

plusone.js

plusone.js

86 ms

effects.js

effects.js

124 ms

builder.js

builder.js

121 ms

pozadi.jpg

pozadi.jpg

122 ms

slogan.gif

slogan.gif

121 ms

menu.jpg

menu.jpg

118 ms

stahnete_si.jpg

stahnete_si.jpg

119 ms

kolaz.jpg

kolaz.jpg

242 ms

barak.gif

barak.gif

123 ms

small_2_jak-chytre-nabidnout-slevy-a-nizsi-ceny,-aby-nam-privedly-vice-zakazniku,-zvysily-jejich-utratu-a-podporily-celkovy-zisk.jpg

small_2_jak-chytre-nabidnout-slevy-a-nizsi-ceny,-aby-nam-privedly-vice-zakazniku,-zvysily-jejich-utratu-a-podporily-celkovy-zisk.jpg

337 ms

small_2_jak-ve-vasi-firme-probudit-space-a-inspirovat-hrace.jpg

small_2_jak-ve-vasi-firme-probudit-space-a-inspirovat-hrace.jpg

339 ms

small_2_jak-promenit-obycejne-emaily-zakaznikum-ve-svudne-zpravy.jpg

small_2_jak-promenit-obycejne-emaily-zakaznikum-ve-svudne-zpravy.jpg

340 ms

small_magnet.jpg

small_magnet.jpg

346 ms

small_2_jak-drobnymi-zmenami-dosahnout-prekvapive-vysokeho-zvyseni-prodeje.jpg

small_2_jak-drobnymi-zmenami-dosahnout-prekvapive-vysokeho-zvyseni-prodeje.jpg

242 ms

small_2_jak-odlisit-vasi-firmu-od-konkurence.jpg

small_2_jak-odlisit-vasi-firmu-od-konkurence.jpg

357 ms

small_2_jak-bleskove-zvysit-trzby.jpg

small_2_jak-bleskove-zvysit-trzby.jpg

355 ms

small_2_jak-uspesne-prodavat-za-plne-ceny,-i-kdyz-je-konkurence-levnejsi-a-zakaznici-vas-tlaci-do-slev.jpg

small_2_jak-uspesne-prodavat-za-plne-ceny,-i-kdyz-je-konkurence-levnejsi-a-zakaznici-vas-tlaci-do-slev.jpg

451 ms

small_2_zabranit-odchodu-vasich-zakazniku-ke-konkurenci.jpg

small_2_zabranit-odchodu-vasich-zakazniku-ke-konkurenci.jpg

451 ms

small_2_privest-do-vasi-firmy-nove-zakazniky.jpg

small_2_privest-do-vasi-firmy-nove-zakazniky.jpg

458 ms

small_2_zvysit-objem-prodeje-a-prodat-vice-vasich-produktu-a-sluzeb.jpg

small_2_zvysit-objem-prodeje-a-prodat-vice-vasich-produktu-a-sluzeb.jpg

460 ms

small_2_dosahnout,-aby-k-vam-vasi-stavajici-zakaznici-vodili-i-sve-pratele-a-zname.jpg

small_2_dosahnout,-aby-k-vam-vasi-stavajici-zakaznici-vodili-i-sve-pratele-a-zname.jpg

467 ms

small_2_co-nejdrive-ziskat-dalsi-objednavky-a-penize.jpg

small_2_co-nejdrive-ziskat-dalsi-objednavky-a-penize.jpg

475 ms

small_2_zdokonalit-ve-vasi-firme-peci-o-zakazniky.jpg

small_2_zdokonalit-ve-vasi-firme-peci-o-zakazniky.jpg

563 ms

small_2_pripravit-pisemne-nabidky,-na-ktere-budou-zakaznici-reagovat-nakupem.jpg

small_2_pripravit-pisemne-nabidky,-na-ktere-budou-zakaznici-reagovat-nakupem.jpg

563 ms

small_2_ziskat-jistotu,-ze-budete-mit-cely-rok-dost-prace-a-objednavek.jpg

small_2_ziskat-jistotu,-ze-budete-mit-cely-rok-dost-prace-a-objednavek.jpg

572 ms

main_page_img.jpg

main_page_img.jpg

554 ms

main_form_submit.jpg

main_form_submit.jpg

558 ms

odrazka.gif

odrazka.gif

570 ms

paticka.jpg

paticka.jpg

656 ms

ga.js

ga.js

28 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

21 ms

fbds.js

fbds.js

40 ms

__utm.gif

__utm.gif

29 ms

loading.gif

loading.gif

571 ms

closelabel.gif

closelabel.gif

583 ms

17 ms

2 ms

Accessibility Review

jakzvysitprodej.cz accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

jakzvysitprodej.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

jakzvysitprodej.cz SEO score

93

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

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 Jakzvysitprodej.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 Jakzvysitprodej.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

jakzvysitprodej.cz

Open Graph description is not detected on the main page of Jak Zvysit Prodej. 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: