Tools & Wizards About Us
onlineprodej.cz screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

onlineprodej.cz

onlineprodej.cz

Page Load Speed

3.4 sec in total

First Response

364 ms

Resources Loaded

2.8 sec

Page Rendered

212 ms

onlineprodej.cz screenshot

About Website

Click here to check amazing Onlineprodej content for Czech Republic. Otherwise, check out these important facts you probably never knew about onlineprodej.cz

This domain may be for sale!

Visit onlineprodej.cz

Key Findings

We analyzed Onlineprodej.cz page load time and found that the first response time was 364 ms and then it took 3.1 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

onlineprodej.cz performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

onlineprodej.cz

364 ms

onlineprodej.cz

532 ms

screen.css

111 ms

jquery.fancybox.css

219 ms

font-awesome.min.css

16 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 86% of them (49 requests) were addressed to the original Onlineprodej.cz, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Onlineprodej.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 322.0 kB (37%)

Content Size

874.7 kB

After Optimization

552.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onlineprodej.cz main page is 874.7 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 423.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 25.4 kB

  • Original 33.8 kB
  • After minification 31.6 kB
  • After compression 8.4 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 25.4 kB or 75% of the original size.

Image Optimization

-6%

Potential reduce by 23.9 kB

  • Original 423.5 kB
  • After minification 399.6 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. Onlineprodej images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 223.5 kB

  • Original 351.9 kB
  • After minification 343.0 kB
  • After compression 128.3 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 223.5 kB or 64% of the original size.

CSS Optimization

-75%

Potential reduce by 49.2 kB

  • Original 65.6 kB
  • After minification 64.5 kB
  • After compression 16.4 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. Onlineprodej.cz needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (17%)

Requests Now

54

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Onlineprodej. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

onlineprodej.cz

onlineprodej.cz

364 ms

onlineprodej.cz

onlineprodej.cz

532 ms

screen.css

screen.css

111 ms

jquery.fancybox.css

jquery.fancybox.css

219 ms

font-awesome.min.css

font-awesome.min.css

16 ms

jquery-2.0.3.min.js

jquery-2.0.3.min.js

441 ms

forms.js

forms.js

321 ms

jquery.nette.js

jquery.nette.js

328 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

325 ms

recaptcha.js

recaptcha.js

324 ms

main.js

main.js

327 ms

cz.js

cz.js

366 ms

api.js

api.js

72 ms

i4b6302789961a.jpg

i4b6302789961a.jpg

773 ms

count.asp

count.asp

793 ms

logo.png

logo.png

150 ms

pen.png

pen.png

150 ms

department.png

department.png

356 ms

ivyrobniky-zmrzliny-cukrarske-stroje.jpg

ivyrobniky-zmrzliny-cukrarske-stroje.jpg

793 ms

ifano-30-3052.jpg

ifano-30-3052.jpg

799 ms

iy-p2160350.jpg

iy-p2160350.jpg

795 ms

igzd-1.jpg

igzd-1.jpg

903 ms

isklenene-kryty-800x600.jpg

isklenene-kryty-800x600.jpg

797 ms

ipredek-2-800x600.jpg

ipredek-2-800x600.jpg

872 ms

ijednofaz.-jistic-starsi-typ-800x600.jpg

ijednofaz.-jistic-starsi-typ-800x600.jpg

900 ms

i4-elektromer-maly-450x600.jpg

i4-elektromer-maly-450x600.jpg

904 ms

ideon-maly-s-bleskem-800x600.jpg

ideon-maly-s-bleskem-800x600.jpg

904 ms

i1-autoprepinace-s1000mb-800x600.jpg

i1-autoprepinace-s1000mb-800x600.jpg

909 ms

it-tl.-spinac-cely-spodek-450x600.jpg

it-tl.-spinac-cely-spodek-450x600.jpg

980 ms

ihlinikove-kryty-bez-vypinace-800x600.jpg

ihlinikove-kryty-bez-vypinace-800x600.jpg

1009 ms

ischodistak-sa-10-800x600.jpg

ischodistak-sa-10-800x600.jpg

1011 ms

ir-lampa-slozena-800x600.jpg

ir-lampa-slozena-800x600.jpg

1011 ms

irele-ha-800x600.jpg

irele-ha-800x600.jpg

1012 ms

irele-rpx-116-pohled-450x600.jpg

irele-rpx-116-pohled-450x600.jpg

1020 ms

irele-rp-200-800x600.jpg

irele-rp-200-800x600.jpg

1088 ms

ispinaci-hodiny-tu60-detail-800x600.jpg

ispinaci-hodiny-tu60-detail-800x600.jpg

1117 ms

iprepinac-vp-110-celo-800x600.jpg

iprepinac-vp-110-celo-800x600.jpg

1118 ms

iprepinace-varic-leskle-800x600.jpg

iprepinace-varic-leskle-800x600.jpg

1118 ms

iporcelan-svetlo-bok-800x600.jpg

iporcelan-svetlo-bok-800x600.jpg

1119 ms

iporcelan-pojistky-800x600.jpg

iporcelan-pojistky-800x600.jpg

1131 ms

irp-101-800x600.jpg

irp-101-800x600.jpg

1195 ms

iizolatory-800x600.jpg

iizolatory-800x600.jpg

1225 ms

ilampa-slozena-800x600.jpg

ilampa-slozena-800x600.jpg

1226 ms

imorse-spodek-800x600.jpg

imorse-spodek-800x600.jpg

1227 ms

ij-proudovy-transformator-s-bleskem-800x600.jpg

ij-proudovy-transformator-s-bleskem-800x600.jpg

1228 ms

iporcelan-lustr-otevreny-800x600.jpg

iporcelan-lustr-otevreny-800x600.jpg

1243 ms

imagneticky-spinac-800x600.jpg

imagneticky-spinac-800x600.jpg

1303 ms

ip-el-motorek-cja-b52-g-bok-800x600.jpg

ip-el-motorek-cja-b52-g-bok-800x600.jpg

1332 ms

idraty-civky-800x600.jpg

idraty-civky-800x600.jpg

1334 ms

idioda-shora-800x600.jpg

idioda-shora-800x600.jpg

1335 ms

ii-542e4fd05441d30f54da0000.jpg

ii-542e4fd05441d30f54da0000.jpg

1336 ms

imv-1.jpg-nikon-2-.jpg

imv-1.jpg-nikon-2-.jpg

1465 ms

i12d-1-.jpg

i12d-1-.jpg

1411 ms

analytics.js

analytics.js

77 ms

recaptcha__en.js

recaptcha__en.js

96 ms

collect

collect

12 ms

collect

collect

55 ms

Accessibility Review

onlineprodej.cz accessibility score

68

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

<frame> or <iframe> elements do not have a title

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

onlineprodej.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

onlineprodej.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlineprodej.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Onlineprodej.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

onlineprodej.cz

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