Tools & Wizards About Us
jankaspar.cz screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

jankaspar.cz

Jan Kašpar

Page Load Speed

1.9 sec in total

First Response

366 ms

Resources Loaded

1.4 sec

Page Rendered

133 ms

jankaspar.cz screenshot

About Website

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

Jan Kašpar (www.jankaspar.cz) vizitka

Visit jankaspar.cz

Key Findings

We analyzed Jankaspar.cz page load time and found that the first response time was 366 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

jankaspar.cz performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value4.5 s

71/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

jankaspar.cz

366 ms

www.jankaspar.cz

673 ms

css

23 ms

style.css

121 ms

logo.png

358 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 50% of them (4 requests) were addressed to the original Jankaspar.cz, 25% (2 requests) were made to Google-analytics.com and 13% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (673 ms) belongs to the original domain Jankaspar.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.0 kB (57%)

Content Size

68.9 kB

After Optimization

29.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jankaspar.cz main page is 68.9 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. Javascripts take 46.3 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 1.7 kB

  • Original 2.6 kB
  • After minification 2.3 kB
  • After compression 938 B

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 303 B, which is 12% 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 1.7 kB or 64% of the original size.

Image Optimization

-40%

Potential reduce by 7.6 kB

  • Original 19.1 kB
  • After minification 11.5 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, Jan Kaspar needs image optimization as it can save up to 7.6 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 29.1 kB

  • Original 46.3 kB
  • After minification 46.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 29.1 kB or 63% of the original size.

CSS Optimization

-67%

Potential reduce by 614 B

  • Original 913 B
  • After minification 734 B
  • After compression 299 B

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. Jankaspar.cz needs all CSS files to be minified and compressed as it can save up to 614 B or 67% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jan Kaspar. According to our analytics all requests are already optimized.

Network Requests Diagram

jankaspar.cz

jankaspar.cz

366 ms

www.jankaspar.cz

www.jankaspar.cz

673 ms

css

css

23 ms

style.css

style.css

121 ms

logo.png

logo.png

358 ms

ga.js

ga.js

12 ms

__utm.gif

__utm.gif

14 ms

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

u-WUoqrET9fUeobQW7jkRT8E0i7KZn-EPnyo3HZu7kw.woff

9 ms

Accessibility Review

jankaspar.cz accessibility score

100

Accessibility Issues

Best Practices

jankaspar.cz best practices score

75

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

SEO Factors

jankaspar.cz SEO score

77

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 Jankaspar.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 Jankaspar.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

jankaspar.cz

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