Access vyzkum.cz. Výzkum a vývoj v ČR

Report Summary

About Website

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

Přehledné a aktuální informace státní správy o výzkumu a vývoji v České republice.

Visit vyzkum.cz

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

vyzkum.cz

504 ms

vyzkum.gov.cz

3349 ms

uc.js

18 ms

modernizr-2.6.2.min.js

281 ms

00-all-base.css

378 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Vyzkum.cz, 90% (73 requests) were made to Vyzkum.gov.cz and 2% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Vyzkum.gov.cz.

Content Size

1.0 MB

After Optimization

723.1 kB

In fact, the total size of Vyzkum.cz main page is 1.0 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. 50% of websites need less resources to load. Images take 623.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 115.1 kB

Original 147.0 kB
After minification 123.3 kB
After compression 31.8 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 23.7 kB, which is 16% 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 115.1 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 49.6 kB

Original 623.8 kB
After minification 574.2 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. Vyzkum images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 122.1 kB

Original 229.3 kB
After minification 229.0 kB
After compression 107.2 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 122.1 kB or 53% of the original size.

CSS Optimization

-45%

Potential reduce by 8.3 kB

Original 18.2 kB
After minification 17.8 kB
After compression 10.0 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. Vyzkum.cz needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 45% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vyzkum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 Vyzkum.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 Vyzkum.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

vyzkum.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Výzkum a vývoj v ČR

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)