Tools & Wizards About Us
institutvk.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

institutvk.cz

Institut Václava Klause

Page Load Speed

3.4 sec in total

First Response

390 ms

Resources Loaded

2.7 sec

Page Rendered

293 ms

institutvk.cz screenshot

About Website

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

Institut Václava Klause

Visit institutvk.cz

Key Findings

We analyzed Institutvk.cz page load time and found that the first response time was 390 ms and then it took 3 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

institutvk.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

institutvk.cz

390 ms

www.institutvk.cz

725 ms

gtm.js

56 ms

fonts.css

111 ms

style.css

206 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 77% of them (50 requests) were addressed to the original Institutvk.cz, 8% (5 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Institutvk.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.7 kB (12%)

Content Size

902.8 kB

After Optimization

793.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Institutvk.cz main page is 902.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 414.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 21.0 kB

  • Original 25.5 kB
  • After minification 17.7 kB
  • After compression 4.4 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. This page needs HTML code to be minified as it can gain 7.8 kB, which is 31% 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 21.0 kB or 83% of the original size.

Image Optimization

-13%

Potential reduce by 49.9 kB

  • Original 384.4 kB
  • After minification 334.5 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. Obviously, Institut Vk needs image optimization as it can save up to 49.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 32.6 kB

  • Original 414.7 kB
  • After minification 414.7 kB
  • After compression 382.1 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 6.2 kB

  • Original 78.3 kB
  • After minification 78.3 kB
  • After compression 72.1 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. Institutvk.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (52%)

Requests Now

58

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Institut Vk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

institutvk.cz

institutvk.cz

390 ms

www.institutvk.cz

www.institutvk.cz

725 ms

gtm.js

gtm.js

56 ms

fonts.css

fonts.css

111 ms

style.css

style.css

206 ms

galleria.css

galleria.css

282 ms

fotorama.css

fotorama.css

286 ms

lightbox.css

lightbox.css

286 ms

mobile.css

mobile.css

299 ms

validate.css

validate.css

299 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

392 ms

jquery.validate.min.js

jquery.validate.min.js

378 ms

jquery-ui.min.js

jquery-ui.min.js

567 ms

kontrola.php

kontrola.php

386 ms

page.js

page.js

401 ms

lightbox.js

lightbox.js

402 ms

kalendar-ajax.php

kalendar-ajax.php

475 ms

js

js

101 ms

map.js

map.js

478 ms

ajax-kosik.js

ajax-kosik.js

484 ms

galleria-1.4.2.min.js

galleria-1.4.2.min.js

593 ms

fotorama.js

fotorama.js

592 ms

pozadi.jpg

pozadi.jpg

293 ms

close.png

close.png

96 ms

loading.gif

loading.gif

97 ms

prev.png

prev.png

97 ms

next.png

next.png

97 ms

font-regular2.woff

font-regular2.woff

205 ms

104.png

104.png

493 ms

103.png

103.png

306 ms

102.png

102.png

179 ms

fb_icon_red.svg

fb_icon_red.svg

182 ms

tw_icon_red.svg

tw_icon_red.svg

180 ms

yt_icon_red.svg

yt_icon_red.svg

307 ms

249 ms

kosik_ajax.php

kosik_ajax.php

790 ms

kosik2_data.php

kosik2_data.php

894 ms

kosik3_data.php

kosik3_data.php

787 ms

uvodni_large.jpg

uvodni_large.jpg

632 ms

mobile-menu-pozadi.png

mobile-menu-pozadi.png

270 ms

arrow_down_white.svg

arrow_down_white.svg

579 ms

arrow_up_white.svg

arrow_up_white.svg

581 ms

1_uroven_menu.svg

1_uroven_menu.svg

577 ms

pruhledna.png

pruhledna.png

576 ms

lupa_black.svg

lupa_black.svg

631 ms

logo.svg

logo.svg

584 ms

arrow_left.svg

arrow_left.svg

628 ms

arrow_right.svg

arrow_right.svg

632 ms

fb_icon_blue.svg

fb_icon_blue.svg

629 ms

yt_icon_blue.svg

yt_icon_blue.svg

626 ms

font-light.woff

font-light.woff

781 ms

font-bold2.woff

font-bold2.woff

884 ms

www-player.css

www-player.css

13 ms

www-embed-player.js

www-embed-player.js

30 ms

base.js

base.js

59 ms

ad_status.js

ad_status.js

205 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

145 ms

embed.js

embed.js

62 ms

AIdro_lznIn4dzbW_LlPtKZS1Q7bGWJ39YSBqvskJ65h3MrMvQ=s68-c-k-c0x00ffffff-no-rj

AIdro_lznIn4dzbW_LlPtKZS1Q7bGWJ39YSBqvskJ65h3MrMvQ=s68-c-k-c0x00ffffff-no-rj

198 ms

id

id

23 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

141 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

142 ms

Create

Create

117 ms

tisk.css

tisk.css

95 ms

GenerateIT

GenerateIT

16 ms

Accessibility Review

institutvk.cz accessibility score

72

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

<frame> or <iframe> elements do not have a title

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

institutvk.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

institutvk.cz SEO score

88

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

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 Institutvk.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 Institutvk.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

institutvk.cz

Open Graph description is not detected on the main page of Institut Vk. 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: