Tools & Wizards About Us
svzskladno.cz screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

svzskladno.cz

Střední zdravotnická škola a Vyšší odborná škola zdravotnická Kladno

Page Load Speed

3.5 sec in total

First Response

398 ms

Resources Loaded

2.5 sec

Page Rendered

567 ms

svzskladno.cz screenshot

About Website

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

Střední zdravotnická škola a Vyšší odborná škola zdravotnická Kladno je veřejnou školou s mnohaletou tradicí a dobrou pověstí, jedinou zdravotnickou školou v kladenském regionu.

Visit svzskladno.cz

Key Findings

We analyzed Svzskladno.cz page load time and found that the first response time was 398 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

svzskladno.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

svzskladno.cz

398 ms

www.svzskladno.cz

987 ms

js

54 ms

mobirise-icons.css

201 ms

tether.min.css

291 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original Svzskladno.cz, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (987 ms) belongs to the original domain Svzskladno.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 772.4 kB (41%)

Content Size

1.9 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Svzskladno.cz main page is 1.9 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. 45% of websites need less resources to load. Javascripts take 844.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 55.6 kB

  • Original 66.6 kB
  • After minification 60.0 kB
  • After compression 11.1 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. 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 55.6 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 34.6 kB

  • Original 524.0 kB
  • After minification 489.4 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. Svzs Kladno images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 315.2 kB

  • Original 844.8 kB
  • After minification 837.6 kB
  • After compression 529.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 315.2 kB or 37% of the original size.

CSS Optimization

-85%

Potential reduce by 367.1 kB

  • Original 431.1 kB
  • After minification 384.8 kB
  • After compression 64.0 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. Svzskladno.cz needs all CSS files to be minified and compressed as it can save up to 367.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (65%)

Requests Now

43

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Svzs Kladno. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

svzskladno.cz

svzskladno.cz

398 ms

www.svzskladno.cz

www.svzskladno.cz

987 ms

js

js

54 ms

mobirise-icons.css

mobirise-icons.css

201 ms

tether.min.css

tether.min.css

291 ms

style.css

style.css

299 ms

bootstrap.min.css

bootstrap.min.css

596 ms

bootstrap-grid.min.css

bootstrap-grid.min.css

497 ms

bootstrap-reboot.min.css

bootstrap-reboot.min.css

304 ms

style.css

style.css

301 ms

styles.css

styles.css

383 ms

style.css

style.css

397 ms

mbr-additional.css

mbr-additional.css

498 ms

jquery.min.js

jquery.min.js

506 ms

bootstrap.min.js

bootstrap.min.js

573 ms

style.css

style.css

692 ms

all.js

all.js

81 ms

lightbox.css

lightbox.css

620 ms

lightbox.js

lightbox.js

621 ms

justifiedGallery.min.css

justifiedGallery.min.css

620 ms

jquery.justifiedGallery.min.js

jquery.justifiedGallery.min.js

667 ms

cookie-consent.js

cookie-consent.js

792 ms

cookie-consent.css

cookie-consent.css

701 ms

bootstrap-moje.css

bootstrap-moje.css

701 ms

popper.min.js

popper.min.js

618 ms

tether.min.js

tether.min.js

671 ms

smooth-scroll.js

smooth-scroll.js

699 ms

script.min.js

script.min.js

700 ms

jquery.touch-swipe.min.js

jquery.touch-swipe.min.js

724 ms

script.js

script.js

725 ms

formoid.min.js

formoid.min.js

861 ms

css

css

38 ms

logo-svzsz-oranzove.png

logo-svzsz-oranzove.png

149 ms

bakalari-ikona.png

bakalari-ikona.png

140 ms

supl.png

supl.png

140 ms

google-apps.png

google-apps.png

141 ms

o365.png

o365.png

141 ms

tl-video.png

tl-video.png

144 ms

ba_skupina-titul-svzs.jpg

ba_skupina-titul-svzs.jpg

398 ms

skola-ze-silnice.jpg

skola-ze-silnice.jpg

239 ms

mbr-1920x1280.jpg

mbr-1920x1280.jpg

278 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5XljLdSL57k.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5XljLdSL57k.ttf

99 ms

mobirise-icons.ttf

mobirise-icons.ttf

112 ms

prev.png

prev.png

101 ms

next.png

next.png

97 ms

loading.gif

loading.gif

100 ms

close.png

close.png

133 ms

Accessibility Review

svzskladno.cz accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

svzskladno.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

svzskladno.cz SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Svzskladno.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 Svzskladno.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

svzskladno.cz

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