Tools & Wizards About Us
pmsw.byl.cz screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

pmsw.byl.cz

M.A.M.E. - První místa soutěžních webů (M.A.M.E. - HI-SCORE)

Page Load Speed

1.2 sec in total

First Response

521 ms

Resources Loaded

599 ms

Page Rendered

67 ms

pmsw.byl.cz screenshot

About Website

Click here to check amazing Pmsw Byl content for Czech Republic. Otherwise, check out these important facts you probably never knew about pmsw.byl.cz

MAME HI-SCORE, MAME HIGH SCORE, MAME world records, MAME Highest Score, M.A.M.E. HI-SCORE, M.A.M.E. HIGH SCORE, M.A.M.E. world records, M.A.M.E. Highest Score

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Key Findings

We analyzed Pmsw.byl.cz page load time and found that the first response time was 521 ms and then it took 666 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

pmsw.byl.cz performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

pmsw.byl.cz

521 ms

css2

39 ms

font

21 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Pmsw.byl.cz, 33% (1 request) were made to Fonts.googleapis.com and 33% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (521 ms) belongs to the original domain Pmsw.byl.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.1 kB (1%)

Content Size

1.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pmsw.byl.cz main page is 1.1 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 847.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 2.7 kB

  • Original 4.1 kB
  • After minification 3.7 kB
  • After compression 1.4 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 2.7 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 847.5 kB
  • After minification 847.5 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. Pmsw Byl images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.4 kB

  • Original 157.5 kB
  • After minification 157.5 kB
  • After compression 155.1 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.

CSS Optimization

-2%

Potential reduce by 963 B

  • Original 61.1 kB
  • After minification 60.8 kB
  • After compression 60.1 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. Pmsw.byl.cz has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • AJAX
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pmsw Byl. According to our analytics all requests are already optimized.

Network Requests Diagram

pmsw.byl.cz

pmsw.byl.cz

521 ms

css2

css2

39 ms

font

font

21 ms

Accessibility Review

pmsw.byl.cz accessibility score

93

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.

Best Practices

pmsw.byl.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

pmsw.byl.cz SEO score

91

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pmsw.byl.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Pmsw.byl.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

pmsw.byl.cz

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