Tools & Wizards About Us
obaka-cestesin.cz screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    31% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 95% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

obaka-cestesin.cz

Obchodní akademie Český Těšín - Příprava na úspěch!

Page Load Speed

3.9 sec in total

First Response

490 ms

Resources Loaded

3 sec

Page Rendered

399 ms

obaka-cestesin.cz screenshot

About Website

Click here to check amazing Obaka Cestesin content for Czech Republic. Otherwise, check out these important facts you probably never knew about obaka-cestesin.cz

Rozhoduješ se, kam půjdeš studovat? Obchodní akademie v Českém Těšíně je ta nejlepší volba! Připraví Tě na úspěch.

Visit obaka-cestesin.cz

Key Findings

We analyzed Obaka-cestesin.cz page load time and found that the first response time was 490 ms and then it took 3.4 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

obaka-cestesin.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value10,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

obaka-cestesin.cz

490 ms

reset.css

238 ms

style.css

246 ms

template.css

245 ms

menu.css

248 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that all of those requests were addressed to Obaka-cestesin.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Obaka-cestesin.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 398.8 kB (37%)

Content Size

1.1 MB

After Optimization

676.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obaka-cestesin.cz main page is 1.1 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. 35% of websites need less resources to load. Images take 590.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.2 kB

  • Original 69.6 kB
  • After minification 62.6 kB
  • After compression 10.4 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 59.2 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 17.4 kB

  • Original 590.6 kB
  • After minification 573.2 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. Obaka Cestesin images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 258.4 kB

  • Original 342.6 kB
  • After minification 318.7 kB
  • After compression 84.2 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 258.4 kB or 75% of the original size.

CSS Optimization

-89%

Potential reduce by 63.7 kB

  • Original 72.0 kB
  • After minification 65.0 kB
  • After compression 8.3 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. Obaka-cestesin.cz needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (25%)

Requests Now

91

After Optimization

68

  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obaka Cestesin. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

obaka-cestesin.cz

obaka-cestesin.cz

490 ms

reset.css

reset.css

238 ms

style.css

style.css

246 ms

template.css

template.css

245 ms

menu.css

menu.css

248 ms

swfobject.js

swfobject.js

372 ms

jquery.js

jquery.js

623 ms

x5engine.js

x5engine.js

600 ms

x5cartengine.js

x5cartengine.js

489 ms

l10n.js

l10n.js

367 ms

x5settings.js

x5settings.js

369 ms

index.css

index.css

490 ms

top.png

top.png

716 ms

msk.jpg

msk.jpg

371 ms

o_1.jpg

o_1.jpg

124 ms

o_2.jpg

o_2.jpg

127 ms

o_3.jpg

o_3.jpg

124 ms

o_4.jpg

o_4.jpg

127 ms

u_1.jpg

u_1.jpg

246 ms

u_1_flm3buj6.jpg

u_1_flm3buj6.jpg

245 ms

u_2.jpg

u_2.jpg

248 ms

u_4.jpg

u_4.jpg

249 ms

r_1.jpg

r_1.jpg

366 ms

r_2.jpg

r_2.jpg

367 ms

r_3.jpg

r_3.jpg

370 ms

r_4.jpg

r_4.jpg

373 ms

s_1.jpg

s_1.jpg

487 ms

skola_roku.jpg

skola_roku.jpg

489 ms

obor_oa.jpg

obor_oa.jpg

493 ms

obor_el_nyirxl6n.jpg

obor_el_nyirxl6n.jpg

620 ms

obor_p.jpg

obor_p.jpg

495 ms

s_2.jpg

s_2.jpg

618 ms

s_8.jpg

s_8.jpg

618 ms

s_5.jpg

s_5.jpg

619 ms

s_3.jpg

s_3.jpg

621 ms

s_9.jpg

s_9.jpg

739 ms

s_6.jpg

s_6.jpg

739 ms

s_4.jpg

s_4.jpg

742 ms

s_7_khna1mmz.jpg

s_7_khna1mmz.jpg

740 ms

s_10.jpg

s_10.jpg

743 ms

m_1.jpg

m_1.jpg

829 ms

m_2.jpg

m_2.jpg

859 ms

m_3.jpg

m_3.jpg

860 ms

m_4.jpg

m_4.jpg

863 ms

l_vs.jpg

l_vs.jpg

864 ms

video_vs.jpg

video_vs.jpg

865 ms

obrazek.png

obrazek.png

1065 ms

slovnicek.jpg

slovnicek.jpg

978 ms

a_2.jpg

a_2.jpg

864 ms

a_1.jpg

a_1.jpg

869 ms

prazdny.jpg

prazdny.jpg

867 ms

facebook.png

facebook.png

868 ms

prazdny_zq9v090t.jpg

prazdny_zq9v090t.jpg

864 ms

eu_skolam.jpg

eu_skolam.jpg

864 ms

logo_msk_j80j56w1.gif

logo_msk_j80j56w1.gif

869 ms

l_mesto.jpg

l_mesto.jpg

868 ms

logo_mapaskolstvi.png

logo_mapaskolstvi.png

751 ms

l_naep.jpg

l_naep.jpg

824 ms

l_pasch.jpg

l_pasch.jpg

864 ms

l_click.jpg

l_click.jpg

862 ms

l_tandem.jpg

l_tandem.jpg

867 ms

logo_msmt.jpg

logo_msmt.jpg

752 ms

l_lkw.jpg

l_lkw.jpg

752 ms

l_agel.jpg

l_agel.jpg

816 ms

logo_abra.jpg

logo_abra.jpg

857 ms

l_goethe.jpg

l_goethe.jpg

734 ms

l_ou.jpg

l_ou.jpg

743 ms

logo_tesco.jpg

logo_tesco.jpg

742 ms

index_h.png

index_h.png

742 ms

o-skole.png

o-skole.png

805 ms

o-studiu.png

o-studiu.png

762 ms

o-studentech.png

o-studentech.png

735 ms

o-klasach-polskich.png

o-klasach-polskich.png

745 ms

gradient_l3fdm2o1.png

gradient_l3fdm2o1.png

745 ms

gradient.png

gradient.png

744 ms

bottom.png

bottom.png

802 ms

imsearch.png

imsearch.png

764 ms

o-skole_h.png

o-skole_h.png

735 ms

o-studiu_h.png

o-studiu_h.png

745 ms

o-studentech_h.png

o-studentech_h.png

741 ms

o-klasach-polskich_h.png

o-klasach-polskich_h.png

744 ms

sub.png

sub.png

797 ms

sub_h.png

sub_h.png

734 ms

sub_f.png

sub_f.png

735 ms

sub_f_h.png

sub_f_h.png

742 ms

sub_l.png

sub_l.png

741 ms

sub_l_h.png

sub_l_h.png

743 ms

sub_m.png

sub_m.png

715 ms

sub_m_h.png

sub_m_h.png

732 ms

imLoad.gif

imLoad.gif

733 ms

imClose.png

imClose.png

742 ms

print.css

print.css

120 ms

Accessibility Review

obaka-cestesin.cz accessibility score

98

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

Links do not have a discernible name

Best Practices

obaka-cestesin.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

SEO Factors

obaka-cestesin.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

    CZ

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obaka-cestesin.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that Obaka-cestesin.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

obaka-cestesin.cz

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