Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

studiooken.cz

Plastová okna, dřevěná okna, eurookna, lodžie | STUDIO OKEN s.r.o

Page Load Speed

4.6 sec in total

First Response

293 ms

Resources Loaded

4 sec

Page Rendered

328 ms

studiooken.cz screenshot

About Website

Visit studiooken.cz now to see the best up-to-date STUDIO OKEN content and also check out these interesting facts you probably never knew about studiooken.cz

Okna, plastová okna, dřevěná okna, eurookna - studio oken Olomouc. Dveře, plastové dveře, lodžie a žaluzie.

Visit studiooken.cz

Key Findings

We analyzed Studiooken.cz page load time and found that the first response time was 293 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

studiooken.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

studiooken.cz

293 ms

www.plastovaokna-olomouc.cz

478 ms

www.plastovaokna-olomouc.cz

412 ms

magnific-popup.css

96 ms

animate.css

226 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Studiooken.cz, 84% (37 requests) were made to Plastovaokna-olomouc.cz and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Plastovaokna-olomouc.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.9 kB (10%)

Content Size

280.0 kB

After Optimization

253.1 kB

In fact, the total size of Studiooken.cz main page is 280.0 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. 40% of websites need less resources to load. Javascripts take 175.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.3 kB

  • Original 28.1 kB
  • After minification 24.6 kB
  • After compression 6.8 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. This page needs HTML code to be minified as it can gain 3.6 kB, which is 13% 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 21.3 kB or 76% of the original size.

Image Optimization

-36%

Potential reduce by 2.9 kB

  • Original 8.0 kB
  • After minification 5.2 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, STUDIO OKEN needs image optimization as it can save up to 2.9 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 175.1 kB
  • After minification 175.1 kB
  • After compression 173.3 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

-1%

Potential reduce by 967 B

  • Original 68.8 kB
  • After minification 68.8 kB
  • After compression 67.8 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. Studiooken.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (66%)

Requests Now

38

After Optimization

13

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STUDIO OKEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

studiooken.cz accessibility score

96

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.

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

Links do not have a discernible name

Best Practices

studiooken.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

studiooken.cz SEO score

100

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Studiooken.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 Studiooken.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 description is not detected on the main page of STUDIO OKEN. 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: