Tools & Wizards About Us

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

bluesystem.cz

Digitální marketing, tvorba webů a e-shopů - bluesystem.cz

Page Load Speed

3.3 sec in total

First Response

401 ms

Resources Loaded

2.5 sec

Page Rendered

364 ms

About Website

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

Vytvoříme pro vás poutavé webové stránky, které vám přivedou nové zákazníky. Specializujeme se na tvorbu webů, e-shopů a internetový marketing.

Visit bluesystem.cz

Key Findings

We analyzed Bluesystem.cz page load time and found that the first response time was 401 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bluesystem.cz performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

bluesystem.cz

401 ms

bluesystem.cz

389 ms

www.bluesystem.cz

823 ms

style.css

300 ms

tignum-dobre-rozhodnuti.svg

277 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Bluesystem.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (823 ms) belongs to the original domain Bluesystem.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 360.0 kB (42%)

Content Size

864.1 kB

After Optimization

504.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluesystem.cz main page is 864.1 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. 20% of websites need less resources to load. HTML takes 565.1 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 354.2 kB

  • Original 565.1 kB
  • After minification 564.7 kB
  • After compression 210.9 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 354.2 kB or 63% of the original size.

Image Optimization

-6%

Potential reduce by 2.4 kB

  • Original 42.4 kB
  • After minification 40.0 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. Bluesystem images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 521 B

  • Original 152.8 kB
  • After minification 152.8 kB
  • After compression 152.2 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

-3%

Potential reduce by 2.9 kB

  • Original 103.9 kB
  • After minification 103.9 kB
  • After compression 101.0 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. Bluesystem.cz has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluesystem. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

bluesystem.cz accessibility score

97

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

bluesystem.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

bluesystem.cz SEO score

97

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

High

Tap targets are not sized appropriately

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 Bluesystem.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 Bluesystem.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

Open Graph data is detected on the main page of Bluesystem. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: