Tools & Wizards About Us
justit.cz screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

justit.cz

JustIT.cz – Just IT (nic než obsah od AI)

Page Load Speed

2.7 sec in total

First Response

213 ms

Resources Loaded

2.1 sec

Page Rendered

375 ms

justit.cz screenshot

About Website

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

Just IT.cz – Says IT all

Visit justit.cz

Key Findings

We analyzed Justit.cz page load time and found that the first response time was 213 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

justit.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

justit.cz

213 ms

www.justit.cz

403 ms

191 ms

style.css

189 ms

tilista.css

195 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 55% of them (50 requests) were addressed to the original Justit.cz, 10% (9 requests) were made to Ajax.googleapis.com and 5% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (520 ms) belongs to the original domain Justit.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 261.3 kB (46%)

Content Size

562.5 kB

After Optimization

301.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Justit.cz main page is 562.5 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. 60% of websites need less resources to load. Images take 204.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.6 kB

  • Original 82.6 kB
  • After minification 70.8 kB
  • After compression 16.0 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 11.8 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 66.6 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 16.3 kB

  • Original 204.2 kB
  • After minification 188.0 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. JustIT images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 115.5 kB

  • Original 200.9 kB
  • After minification 188.2 kB
  • After compression 85.4 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 115.5 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 62.9 kB

  • Original 74.7 kB
  • After minification 54.3 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. Justit.cz needs all CSS files to be minified and compressed as it can save up to 62.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (64%)

Requests Now

87

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JustIT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

justit.cz

justit.cz

213 ms

www.justit.cz

www.justit.cz

403 ms

191 ms

style.css

style.css

189 ms

tilista.css

tilista.css

195 ms

facebook-comments-hidewpcomments.css

facebook-comments-hidewpcomments.css

193 ms

facebook-comments-widgets.css

facebook-comments-widgets.css

195 ms

twitter-feed.css

twitter-feed.css

195 ms

pagenavi-css.css

pagenavi-css.css

195 ms

jquery.js

jquery.js

376 ms

jquery-migrate.min.js

jquery-migrate.min.js

285 ms

prototype.js

prototype.js

10 ms

scriptaculous.js

scriptaculous.js

12 ms

effects.js

effects.js

12 ms

lightbox.js

lightbox.js

285 ms

wp-plus-one.js

wp-plus-one.js

286 ms

widgets.js

widgets.js

6 ms

core.min.js

core.min.js

287 ms

widget.min.js

widget.min.js

288 ms

tabs.min.js

tabs.min.js

378 ms

shortcodes.js

shortcodes.js

379 ms

superfish.js

superfish.js

379 ms

general.js

general.js

378 ms

loopedSlider.js

loopedSlider.js

380 ms

default.css

default.css

468 ms

shortcodes.css

shortcodes.css

472 ms

custom.css

custom.css

472 ms

google_service.js

google_service.js

35 ms

show_ads.js

show_ads.js

7 ms

reset.css

reset.css

293 ms

ga.js

ga.js

32 ms

builder.js

builder.js

19 ms

effects.js

effects.js

20 ms

dragdrop.js

dragdrop.js

23 ms

controls.js

controls.js

25 ms

slider.js

slider.js

27 ms

sound.js

sound.js

25 ms

__utm.gif

__utm.gif

46 ms

lightbox.css

lightbox.css

97 ms

google_ads.js

google_ads.js

33 ms

logo.png

logo.png

97 ms

adwords-industry-benchmarks-average-conversion-rate-100x100.jpg

adwords-industry-benchmarks-average-conversion-rate-100x100.jpg

235 ms

x-PattersonUpdatedSocialMediaChecklist-100x100.jpg

x-PattersonUpdatedSocialMediaChecklist-100x100.jpg

99 ms

x-linkedin-profile-tips-10-100x100.png

x-linkedin-profile-tips-10-100x100.png

100 ms

whatsnew-marketing-sdk-100x100.jpg

whatsnew-marketing-sdk-100x100.jpg

100 ms

x-10x-100x100.png

x-10x-100x100.png

100 ms

x-hubspot-social-image-size-guide-100x100.jpg

x-hubspot-social-image-size-guide-100x100.jpg

233 ms

x-How-to-Improve-WordPress-Security-Infographic-100x100.jpg

x-How-to-Improve-WordPress-Security-Infographic-100x100.jpg

234 ms

x-Eye-Care-Infographic-Quill-100x100.jpg

x-Eye-Care-Infographic-Quill-100x100.jpg

234 ms

x-growth-of-podcasting-100x100.png

x-growth-of-podcasting-100x100.png

236 ms

2016-03-12-10_21_18-Start-100x100.png

2016-03-12-10_21_18-Start-100x100.png

235 ms

x-research-online-buy-offline-bazaarvoice-infographic-100x100.jpg

x-research-online-buy-offline-bazaarvoice-infographic-100x100.jpg

285 ms

2016-03-11-14.15.37-100x100.png

2016-03-11-14.15.37-100x100.png

286 ms

2016-03-08-18_03_01-view-letter.865160137.js-Far-3.0.3367-x64-100x100.png

2016-03-08-18_03_01-view-letter.865160137.js-Far-3.0.3367-x64-100x100.png

287 ms

2016-03-02-11_22_22-Sherene-Zarrabi-@sherenemarie-%E2%80%A2-Fotky-a-videa-na-Instagramu-100x100.png

2016-03-02-11_22_22-Sherene-Zarrabi-@sherenemarie-%E2%80%A2-Fotky-a-videa-na-Instagramu-100x100.png

383 ms

x-2016_marketing_trends-100x100.jpg

x-2016_marketing_trends-100x100.jpg

291 ms

ico-search.png

ico-search.png

291 ms

adwords-industry-benchmarks-average-conversion-rate-32x32.jpg

adwords-industry-benchmarks-average-conversion-rate-32x32.jpg

520 ms

x-PattersonUpdatedSocialMediaChecklist-32x32.jpg

x-PattersonUpdatedSocialMediaChecklist-32x32.jpg

380 ms

x-linkedin-profile-tips-10-32x32.png

x-linkedin-profile-tips-10-32x32.png

382 ms

whatsnew-marketing-sdk-32x32.jpg

whatsnew-marketing-sdk-32x32.jpg

385 ms

x-10x-32x32.png

x-10x-32x32.png

387 ms

rss.png

rss.png

519 ms

woothemes.png

woothemes.png

519 ms

ads

ads

96 ms

88x31.png

88x31.png

62 ms

zrt_lookup.html

zrt_lookup.html

26 ms

show_ads_impl.js

show_ads_impl.js

46 ms

ads

ads

223 ms

osd.js

osd.js

8 ms

ads

ads

228 ms

aclk

aclk

140 ms

pixel

pixel

83 ms

adj

adj

139 ms

beacon

beacon

134 ms

adj

adj

111 ms

beacon

beacon

123 ms

plusone.js

plusone.js

126 ms

__utm.gif

__utm.gif

40 ms

sdk.js

sdk.js

31 ms

arrow-superfish.png

arrow-superfish.png

118 ms

pixel

pixel

115 ms

110 ms

MHI_RR_1045_NPL_Mobile_320x50.jpg

MHI_RR_1045_NPL_Mobile_320x50.jpg

78 ms

lidar.js

lidar.js

70 ms

sbhK2lTE.js

sbhK2lTE.js

78 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

28 ms

setuid

setuid

61 ms

cTrvNaRi.html

cTrvNaRi.html

24 ms

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

4 ms

sd

sd

4 ms

Accessibility Review

justit.cz accessibility score

87

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

High

<object> elements do not have alternate text

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

justit.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

justit.cz SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Justit.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Justit.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

justit.cz

Open Graph data is detected on the main page of JustIT. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: