Tools & Wizards About Us
csaf.cz screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

csaf.cz

Spodní prádlo - Luxusní prádlo.cz

Page Load Speed

8.6 sec in total

First Response

365 ms

Resources Loaded

7.9 sec

Page Rendered

283 ms

csaf.cz screenshot

About Website

Welcome to csaf.cz homepage info - get ready to check Csaf best content right away, or after learning these important things about csaf.cz

Novinky Plavky 2023 Už nyní pro Vás máme nabídku plavek 2023 . Těšit se můžete na dámské plavky. U nás naleznete jak tolik

Visit csaf.cz

Key Findings

We analyzed Csaf.cz page load time and found that the first response time was 365 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

csaf.cz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

csaf.cz

365 ms

www.afed.cz

2638 ms

styly.css

333 ms

reset.css

169 ms

fonts.css

169 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Csaf.cz, 96% (22 requests) were made to Afed.cz. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Afed.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.6 kB (9%)

Content Size

493.5 kB

After Optimization

446.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Csaf.cz main page is 493.5 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. 15% of websites need less resources to load. Images take 453.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.9 kB

  • Original 23.1 kB
  • After minification 16.5 kB
  • After compression 5.1 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. This page needs HTML code to be minified as it can gain 6.5 kB, which is 28% 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 17.9 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 15.3 kB

  • Original 453.7 kB
  • After minification 438.4 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. Csaf images are well optimized though.

CSS Optimization

-79%

Potential reduce by 13.3 kB

  • Original 16.8 kB
  • After minification 12.2 kB
  • After compression 3.4 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. Csaf.cz needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csaf. According to our analytics all requests are already optimized.

Network Requests Diagram

csaf.cz

csaf.cz

365 ms

www.afed.cz

www.afed.cz

2638 ms

styly.css

styly.css

333 ms

reset.css

reset.css

169 ms

fonts.css

fonts.css

169 ms

pozadi.png

pozadi.png

502 ms

logo.png

logo.png

170 ms

banner_ideal.png

banner_ideal.png

1846 ms

zad-dame-landes.jpg

zad-dame-landes.jpg

1133 ms

kalendar_01.png

kalendar_01.png

336 ms

celeritida-c-5.jpg

celeritida-c-5.jpg

2360 ms

demo-pha-12-3-16-00.jpg

demo-pha-12-3-16-00.jpg

3986 ms

tabor_12_3-00.jpg

tabor_12_3-00.jpg

1473 ms

nantes.jpg

nantes.jpg

1673 ms

klinika_2015-00.jpg

klinika_2015-00.jpg

2697 ms

hlavicka_A3.png

hlavicka_A3.png

4586 ms

Barcamp-16-00.jpg

Barcamp-16-00.jpg

2018 ms

jidis_notysek.JPG

jidis_notysek.JPG

2180 ms

A3_button.png

A3_button.png

3761 ms

IFA_button.png

IFA_button.png

3759 ms

PTS55F_W.woff

PTS55F_W.woff

3162 ms

PTS75F_W.woff

PTS75F_W.woff

4499 ms

BebasNeue2.woff

BebasNeue2.woff

3329 ms

Accessibility Review

csaf.cz accessibility score

86

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.

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

Document doesn't have a <title> element

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

csaf.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

csaf.cz SEO score

83

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

Document doesn't have a <title> element

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csaf.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 English language. Our system also found out that Csaf.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

csaf.cz

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