Tools & Wizards About Us
ssinfis.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

ssinfis.cz

Úvodní stránka - INFIS

Page Load Speed

6.5 sec in total

First Response

402 ms

Resources Loaded

5.8 sec

Page Rendered

343 ms

ssinfis.cz screenshot

About Website

Click here to check amazing Ss INFIS content for Sweden. Otherwise, check out these important facts you probably never knew about ssinfis.cz

Jsme moderní škola s dlouholetou tradicí – bývalá „poštovka“, nyní INFIS. Snažíme se zajistit kvalitní celoživotní vzdělávání v souladu s potřebou trhu práce pro všechny, využívat moderní technologie ...

Visit ssinfis.cz

Key Findings

We analyzed Ssinfis.cz page load time and found that the first response time was 402 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ssinfis.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value15.1 s

1/100

10%

TBT (Total Blocking Time)

Value1,470 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

ssinfis.cz

402 ms

ssinfis.cz

395 ms

infis.cz

869 ms

uc.js

36 ms

style.min.css

119 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Ssinfis.cz, 91% (101 requests) were made to Infis.cz and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Infis.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 407.5 kB (27%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ssinfis.cz main page is 1.5 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. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 103.4 kB

  • Original 125.0 kB
  • After minification 119.9 kB
  • After compression 21.7 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 103.4 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 417 B

  • Original 31.8 kB
  • After minification 31.4 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. Ss INFIS images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 224.6 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 821.0 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 224.6 kB or 21% of the original size.

CSS Optimization

-27%

Potential reduce by 79.1 kB

  • Original 293.4 kB
  • After minification 292.3 kB
  • After compression 214.2 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. Ssinfis.cz needs all CSS files to be minified and compressed as it can save up to 79.1 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 91 (90%)

Requests Now

101

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ss INFIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 69 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ssinfis.cz

ssinfis.cz

402 ms

ssinfis.cz

ssinfis.cz

395 ms

infis.cz

infis.cz

869 ms

uc.js

uc.js

36 ms

style.min.css

style.min.css

119 ms

styles.css

styles.css

230 ms

rs6.css

rs6.css

403 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

307 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

303 ms

style.css

style.css

307 ms

font-awesome.min.css

font-awesome.min.css

309 ms

style.min.css

style.min.css

344 ms

style.css

style.css

426 ms

dripicons.css

dripicons.css

428 ms

stylesheet.min.css

stylesheet.min.css

715 ms

print.css

print.css

416 ms

style_dynamic.css

style_dynamic.css

451 ms

responsive.min.css

responsive.min.css

516 ms

style_dynamic_responsive.css

style_dynamic_responsive.css

527 ms

js_composer.min.css

js_composer.min.css

640 ms

core-dashboard.min.css

core-dashboard.min.css

546 ms

style.css

style.css

567 ms

jquery.min.js

jquery.min.js

631 ms

jquery-migrate.min.js

jquery-migrate.min.js

637 ms

revolution.tools.min.js

revolution.tools.min.js

857 ms

rs6.min.js

rs6.min.js

786 ms

css

css

42 ms

common-vendors.css

common-vendors.css

757 ms

common.css

common.css

759 ms

feed.css

feed.css

758 ms

front-app.css

front-app.css

825 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

845 ms

wp-polyfill.min.js

wp-polyfill.min.js

854 ms

index.js

index.js

855 ms

core.min.js

core.min.js

894 ms

doubletaptogo.js

doubletaptogo.js

934 ms

modernizr.min.js

modernizr.min.js

957 ms

jquery.appear.js

jquery.appear.js

958 ms

hoverIntent.min.js

hoverIntent.min.js

959 ms

counter.js

counter.js

962 ms

api.js

api.js

37 ms

easypiechart.js

easypiechart.js

995 ms

mixitup.js

mixitup.js

936 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

846 ms

jquery.fitvids.js

jquery.fitvids.js

769 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

768 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

874 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

804 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

817 ms

infinitescroll.min.js

infinitescroll.min.js

775 ms

jquery.waitforimages.js

jquery.waitforimages.js

763 ms

jquery.form.min.js

jquery.form.min.js

751 ms

waypoints.min.js

waypoints.min.js

797 ms

jplayer.min.js

jplayer.min.js

815 ms

bootstrap.carousel.js

bootstrap.carousel.js

764 ms

skrollr.js

skrollr.js

759 ms

Chart.min.js

Chart.min.js

740 ms

style.css

style.css

721 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

729 ms

abstractBaseClass.js

abstractBaseClass.js

782 ms

jquery.countdown.js

jquery.countdown.js

754 ms

jquery.multiscroll.min.js

jquery.multiscroll.min.js

661 ms

jquery.justifiedGallery.min.js

jquery.justifiedGallery.min.js

658 ms

bigtext.js

bigtext.js

657 ms

jquery.sticky-kit.min.js

jquery.sticky-kit.min.js

722 ms

owl.carousel.min.js

owl.carousel.min.js

758 ms

typed.js

typed.js

716 ms

jquery.carouFredSel-6.2.1.min.js

jquery.carouFredSel-6.2.1.min.js

698 ms

lemmon-slider.min.js

lemmon-slider.min.js

688 ms

jquery.fullPage.min.js

jquery.fullPage.min.js

688 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

730 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

722 ms

jquery.isotope.min.js

jquery.isotope.min.js

680 ms

packery-mode.pkgd.min.js

packery-mode.pkgd.min.js

800 ms

jquery.stretch.js

jquery.stretch.js

799 ms

imagesloaded.js

imagesloaded.js

799 ms

rangeslider.min.js

rangeslider.min.js

796 ms

jquery.event.move.js

jquery.event.move.js

762 ms

jquery.twentytwenty.js

jquery.twentytwenty.js

712 ms

default_dynamic.js

default_dynamic.js

697 ms

default.min.js

default.min.js

697 ms

comment-reply.min.js

comment-reply.min.js

694 ms

js_composer_front.min.js

js_composer_front.min.js

698 ms

qode-like.min.js

qode-like.min.js

706 ms

index.js

index.js

689 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

689 ms

wp-embed.min.js

wp-embed.min.js

687 ms

runtime.js

runtime.js

687 ms

react.min.js

react.min.js

705 ms

react-dom.min.js

react-dom.min.js

725 ms

common-vendors.js

common-vendors.js

817 ms

common.js

common.js

708 ms

feed.js

feed.js

720 ms

front-app.js

front-app.js

647 ms

ga.js

ga.js

62 ms

dummy.png

dummy.png

729 ms

dripicons-v2.woff

dripicons-v2.woff

683 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

839 ms

infis-typo_Kreslic%C3%AD-pl%C3%A1tno-1.png

infis-typo_Kreslic%C3%AD-pl%C3%A1tno-1.png

2138 ms

grid-dark-transparent-01.png

grid-dark-transparent-01.png

682 ms

grid-white-transparent-01.png

grid-white-transparent-01.png

750 ms

__utm.gif

__utm.gif

55 ms

linea-arrows-10.woff

linea-arrows-10.woff

604 ms

zYXgKVElMYYaJe8bpLHnCwDKhdHeEA.ttf

zYXgKVElMYYaJe8bpLHnCwDKhdHeEA.ttf

51 ms

zYX9KVElMYYaJe8bpLHnCwDKjQ76AIFscQ.ttf

zYX9KVElMYYaJe8bpLHnCwDKjQ76AIFscQ.ttf

52 ms

recaptcha__en.js

recaptcha__en.js

85 ms

bb_infis_logo_v1_0_RGB_horizontal_color-1.png

bb_infis_logo_v1_0_RGB_horizontal_color-1.png

335 ms

bb_infis_logo_v1_0_RGB_horizontal_white-1.png

bb_infis_logo_v1_0_RGB_horizontal_white-1.png

335 ms

bb_infis_logo_v1_0_RGB_horizontal_black-1.png

bb_infis_logo_v1_0_RGB_horizontal_black-1.png

335 ms

bb_infis_logo_v1_0_RGB_basic_color.png

bb_infis_logo_v1_0_RGB_basic_color.png

483 ms

%C3%BAvodn%C3%AD-foto-e1564960208618.jpg

%C3%BAvodn%C3%AD-foto-e1564960208618.jpg

1598 ms

Accessibility Review

ssinfis.cz accessibility score

78

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

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ssinfis.cz best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ssinfis.cz SEO score

84

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

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

High

Tap targets are not sized appropriately

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 Ssinfis.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 Ssinfis.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

ssinfis.cz

Open Graph description is not detected on the main page of Ss INFIS. 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: