Tools & Wizards About Us
vondrachek.net screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

vondrachek.net

Vondrachek.net | Thousands of People

Page Load Speed

747 ms in total

First Response

82 ms

Resources Loaded

417 ms

Page Rendered

248 ms

vondrachek.net screenshot

About Website

Welcome to vondrachek.net homepage info - get ready to check Vondrachek best content right away, or after learning these important things about vondrachek.net

Vondrachek.net

Visit vondrachek.net

Key Findings

We analyzed Vondrachek.net page load time and found that the first response time was 82 ms and then it took 665 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vondrachek.net performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

vondrachek.net

82 ms

index.php

161 ms

reset.css

31 ms

lightbox.css

38 ms

leaflet.css

34 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Vondrachek.net and no external sources were called. The less responsive or slowest element that took the longest time to load (161 ms) belongs to the original domain Vondrachek.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.8 kB (66%)

Content Size

208.0 kB

After Optimization

71.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vondrachek.net main page is 208.0 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. 15% of websites need less resources to load. Javascripts take 113.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 13.2 kB

  • Original 16.1 kB
  • After minification 16.0 kB
  • After compression 2.9 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 13.2 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 2.8 kB

  • Original 22.3 kB
  • After minification 19.5 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, Vondrachek needs image optimization as it can save up to 2.8 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

-66%

Potential reduce by 74.8 kB

  • Original 113.5 kB
  • After minification 112.7 kB
  • After compression 38.7 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 74.8 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 46.0 kB

  • Original 56.1 kB
  • After minification 47.5 kB
  • After compression 10.2 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. Vondrachek.net needs all CSS files to be minified and compressed as it can save up to 46.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (44%)

Requests Now

18

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vondrachek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vondrachek.net

vondrachek.net

82 ms

index.php

index.php

161 ms

reset.css

reset.css

31 ms

lightbox.css

lightbox.css

38 ms

leaflet.css

leaflet.css

34 ms

default.css

default.css

54 ms

layout_fixed_width.css

layout_fixed_width.css

36 ms

colors_red.css

colors_red.css

38 ms

genealone.js

genealone.js

48 ms

jquery.min.js

jquery.min.js

97 ms

responsive-nav.min.js

responsive-nav.min.js

59 ms

lightbox.min.js

lightbox.min.js

58 ms

background_stripes_02.png

background_stripes_02.png

21 ms

close.png

close.png

25 ms

loading.gif

loading.gif

23 ms

prev.png

prev.png

21 ms

next.png

next.png

25 ms

vondracheknet.jpg

vondracheknet.jpg

26 ms

avatar-male.png

avatar-male.png

37 ms

avatar-female.png

avatar-female.png

39 ms

Accessibility Review

vondrachek.net accessibility score

79

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.

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

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

Form elements do not have associated labels

Best Practices

vondrachek.net 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

SEO Factors

vondrachek.net SEO score

73

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vondrachek.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Vondrachek.net 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

vondrachek.net

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