Tools & Wizards About Us
sailing.cz screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sailing.cz

Český svaz jachtingu

Page Load Speed

4.8 sec in total

First Response

422 ms

Resources Loaded

3.7 sec

Page Rendered

682 ms

sailing.cz screenshot

About Website

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

Český svaz jachtingu.

Visit sailing.cz

Key Findings

We analyzed Sailing.cz page load time and found that the first response time was 422 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sailing.cz performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.575

12/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

sailing.cz

422 ms

www.sailing.cz

1025 ms

33e49b4404de1fd8a0c69b5c437cc7c3.js

491 ms

bootstrap.min.css

109 ms

style240522.css

214 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 79% of them (69 requests) were addressed to the original Sailing.cz, 6% (5 requests) were made to Google.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sailing.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.9 kB (11%)

Content Size

2.1 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sailing.cz main page is 2.1 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 109.9 kB

  • Original 133.1 kB
  • After minification 117.5 kB
  • After compression 23.2 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 15.6 kB, which is 12% 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 109.9 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 106.0 kB

  • Original 1.6 MB
  • After minification 1.5 MB

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. Sailing images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.3 kB

  • Original 361.9 kB
  • After minification 361.9 kB
  • After compression 358.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 3.8 kB

  • Original 44.9 kB
  • After minification 44.9 kB
  • After compression 41.1 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. Sailing.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (32%)

Requests Now

77

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sailing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sailing.cz

sailing.cz

422 ms

www.sailing.cz

www.sailing.cz

1025 ms

33e49b4404de1fd8a0c69b5c437cc7c3.js

33e49b4404de1fd8a0c69b5c437cc7c3.js

491 ms

bootstrap.min.css

bootstrap.min.css

109 ms

style240522.css

style240522.css

214 ms

loader.css

loader.css

292 ms

fancybox.min.css

fancybox.min.css

292 ms

jquery-ui.min.css

jquery-ui.min.css

22 ms

fonts.css

fonts.css

292 ms

jquery.min.js

jquery.min.js

423 ms

bootstrap.min.js

bootstrap.min.js

319 ms

bootstrap-tabcollapse.js

bootstrap-tabcollapse.js

320 ms

alert.js

alert.js

387 ms

jquery.js

jquery.js

388 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

487 ms

jquery-ui.min.js

jquery-ui.min.js

538 ms

sdk.js

sdk.js

28 ms

cse.js

cse.js

52 ms

gtm.js

gtm.js

76 ms

bg-pattern5.jpg

bg-pattern5.jpg

109 ms

logo-dark.png

logo-dark.png

109 ms

banner_oh.jpg

banner_oh.jpg

288 ms

snimek_obrazovky_2024-05-20_v160915.jpg

snimek_obrazovky_2024-05-20_v160915.jpg

487 ms

baneros.jpg

baneros.jpg

558 ms

banner.jpg

banner.jpg

757 ms

bannere.jpg

bannere.jpg

991 ms

nban.jpg

nban.jpg

959 ms

53509203368_6b5879333d_o_kopie.jpg

53509203368_6b5879333d_o_kopie.jpg

795 ms

jun_euro_ch_2024.jpg

jun_euro_ch_2024.jpg

592 ms

olymp_detiamladeze2024.jpg

olymp_detiamladeze2024.jpg

752 ms

hh_eurocup24.jpg

hh_eurocup24.jpg

697 ms

logo.jpg

logo.jpg

801 ms

4e7c0464616a171e4b861fc54a05b7523e23ece8_banner_home_page_nova_kolekce.jpg

4e7c0464616a171e4b861fc54a05b7523e23ece8_banner_home_page_nova_kolekce.jpg

848 ms

img_2043.jpeg

img_2043.jpeg

853 ms

image.png

image.png

899 ms

es-nechranice_057.jpeg

es-nechranice_057.jpeg

905 ms

image2.jpeg

image2.jpeg

945 ms

53730462410_d3253b2da8_o.jpg

53730462410_d3253b2da8_o.jpg

950 ms

logo_hzs.jpg

logo_hzs.jpg

1004 ms

logo.jpg

logo.jpg

1008 ms

441157563_971973428051466_7160183935903254384_n.jpg

441157563_971973428051466_7160183935903254384_n.jpg

1041 ms

byc_cup_2024.png

byc_cup_2024.png

1338 ms

img_2005.jpg

img_2005.jpg

1055 ms

441901529_961896465943411_7453135051748841540_n.jpg

441901529_961896465943411_7453135051748841540_n.jpg

1094 ms

eshopcsj.jpg

eshopcsj.jpg

1108 ms

zacnisjachtingem.jpg

zacnisjachtingem.jpg

1111 ms

jachtarska-akademie.jpg

jachtarska-akademie.jpg

1137 ms

rodop.jpg

rodop.jpg

1151 ms

pokorny.jpg

pokorny.jpg

1199 ms

integra.jpg

integra.jpg

1212 ms

hellyhansen.jpg

hellyhansen.jpg

1215 ms

yachtnet.jpg

yachtnet.jpg

1235 ms

sailingcentrum.jpg

sailingcentrum.jpg

1247 ms

oneyacht.jpg

oneyacht.jpg

1302 ms

kivi_sailing.jpg

kivi_sailing.jpg

1315 ms

sdk.js

sdk.js

12 ms

widget.js

widget.js

88 ms

cse_element__cs.js

cse_element__cs.js

83 ms

default+cs.css

default+cs.css

124 ms

default.css

default.css

128 ms

sp.js

sp.js

44 ms

js

js

88 ms

js

js

165 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1214 ms

ifp.jpg

ifp.jpg

1226 ms

i

i

140 ms

async-ads.js

async-ads.js

90 ms

branding.png

branding.png

20 ms

clear.png

clear.png

64 ms

seahelp.jpg

seahelp.jpg

1060 ms

in.php

in.php

107 ms

yacht_csj.jpg

yacht_csj.jpg

924 ms

marine.jpg

marine.jpg

866 ms

apl.jpg

apl.jpg

835 ms

olymp.jpg

olymp.jpg

734 ms

victoria.jpg

victoria.jpg

685 ms

ceskatelevize.jpg

ceskatelevize.jpg

688 ms

nsa.png

nsa.png

720 ms

msmt.png

msmt.png

726 ms

ico_facebook.png

ico_facebook.png

681 ms

ico_youtube.png

ico_youtube.png

675 ms

ico_instagram.png

ico_instagram.png

633 ms

ico_rss.png

ico_rss.png

636 ms

ico_sitemap.png

ico_sitemap.png

672 ms

comgate%20logo%20transaparent%20bcg.png

comgate%20logo%20transaparent%20bcg.png

681 ms

visa.jpg

visa.jpg

668 ms

master-card.jpg

master-card.jpg

644 ms

Accessibility Review

sailing.cz accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

sailing.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

sailing.cz SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Sailing.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 Sailing.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

sailing.cz

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