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ludekpesek.ch screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

ludekpesek.ch

Space Artist Ludek Pesek Website: Home : Astro Artist

Page Load Speed

1.9 sec in total

First Response

431 ms

Resources Loaded

1.3 sec

Page Rendered

163 ms

ludekpesek.ch screenshot

About Website

Welcome to ludekpesek.ch homepage info - get ready to check Ludek Pesek best content right away, or after learning these important things about ludekpesek.ch

Astronomical space artist Ludek Pesek was born in 1919 at Kladno, Czechoslovakia, and grew up in the mining town of Ostrava close to the Beskidy Mountains. At the age of fifteen Ludek acquired a paint...

Visit ludekpesek.ch

Key Findings

We analyzed Ludekpesek.ch page load time and found that the first response time was 431 ms and then it took 1.5 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

ludekpesek.ch performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

ludekpesek.ch

431 ms

style.css

101 ms

print.css

195 ms

AC_RunActiveContent.js

194 ms

p7tbmenu.js

195 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 77% of them (10 requests) were addressed to the original Ludekpesek.ch, 23% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (576 ms) belongs to the original domain Ludekpesek.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.5 kB (2%)

Content Size

581.1 kB

After Optimization

568.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ludekpesek.ch main page is 581.1 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 544.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 9.8 kB

  • Original 12.8 kB
  • After minification 11.5 kB
  • After compression 3.0 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 9.8 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 153 B

  • Original 544.9 kB
  • After minification 544.7 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. Ludek Pesek images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 763 B

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 19.8 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

-60%

Potential reduce by 1.8 kB

  • Original 2.9 kB
  • After minification 2.6 kB
  • After compression 1.2 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. Ludekpesek.ch needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ludek Pesek. According to our analytics all requests are already optimized.

Network Requests Diagram

ludekpesek.ch

ludekpesek.ch

431 ms

style.css

style.css

101 ms

print.css

print.css

195 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

194 ms

p7tbmenu.js

p7tbmenu.js

195 ms

p7tbm_center_08.css

p7tbm_center_08.css

100 ms

large_web.jpg

large_web.jpg

576 ms

clear-pixel.gif

clear-pixel.gif

100 ms

logo.jpg

logo.jpg

100 ms

iebfix.gif

iebfix.gif

102 ms

ga.js

ga.js

13 ms

__utm.gif

__utm.gif

12 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

ludekpesek.ch accessibility score

68

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

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

<object> elements do not have alternate text

Best Practices

ludekpesek.ch 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

ludekpesek.ch SEO score

58

Search Engine Optimization Advices

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

High

Document uses plugins

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 Ludekpesek.ch 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 Ludekpesek.ch 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

ludekpesek.ch

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