Tools & Wizards About Us
vyc.cz screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

vyc.cz

JAKUB VYČÍTAL

Page Load Speed

1.9 sec in total

First Response

528 ms

Resources Loaded

1.2 sec

Page Rendered

178 ms

vyc.cz screenshot

About Website

Click here to check amazing Vyc content. Otherwise, check out these important facts you probably never knew about vyc.cz

Osobní stránky Jakuba Vyčítala.

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Key Findings

We analyzed Vyc.cz page load time and found that the first response time was 528 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

vyc.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

vyc.cz

528 ms

ga.js

8 ms

background.png

676 ms

logo.png

290 ms

__utm.gif

12 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Vyc.cz, 40% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (676 ms) belongs to the original domain Vyc.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.9 kB (33%)

Content Size

921.2 kB

After Optimization

619.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vyc.cz main page is 921.2 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. Only 10% of websites need less resources to load. Images take 901.6 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 1.3 kB

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 1.1 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 1.3 kB or 53% of the original size.

Image Optimization

-33%

Potential reduce by 300.6 kB

  • Original 901.6 kB
  • After minification 601.0 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, Vyc needs image optimization as it can save up to 300.6 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vyc. According to our analytics all requests are already optimized.

Network Requests Diagram

vyc.cz

vyc.cz

528 ms

ga.js

ga.js

8 ms

background.png

background.png

676 ms

logo.png

logo.png

290 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

vyc.cz accessibility score

88

Accessibility Issues

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

vyc.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

vyc.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vyc.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Vyc.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

vyc.cz

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