Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

plastovaokna-olomouc.cz

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

Page Load Speed

4 sec in total

First Response

494 ms

Resources Loaded

3.2 sec

Page Rendered

290 ms

plastovaokna-olomouc.cz screenshot

About Website

Click here to check amazing Plastova Okna Olomouc content. Otherwise, check out these important facts you probably never knew about plastovaokna-olomouc.cz

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

Visit plastovaokna-olomouc.cz

Key Findings

We analyzed Plastovaokna-olomouc.cz page load time and found that the first response time was 494 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

plastovaokna-olomouc.cz performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

plastovaokna-olomouc.cz

494 ms

www.plastovaokna-olomouc.cz

802 ms

style.css

452 ms

style-list-menu.css

297 ms

jquery.min.js

33 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 83% of them (35 requests) were addressed to the original Plastovaokna-olomouc.cz, 5% (2 requests) were made to Cdnjs.cloudflare.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Plastovaokna-olomouc.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.2 kB (19%)

Content Size

484.7 kB

After Optimization

393.5 kB

In fact, the total size of Plastovaokna-olomouc.cz main page is 484.7 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. 35% of websites need less resources to load. Images take 370.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 8.1 kB

  • Original 12.2 kB
  • After minification 11.9 kB
  • After compression 4.0 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 8.1 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 18.7 kB

  • Original 370.8 kB
  • After minification 352.1 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. Plastova Okna Olomouc images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 40.8 kB

  • Original 73.1 kB
  • After minification 59.8 kB
  • After compression 32.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.8 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 23.6 kB

  • Original 28.7 kB
  • After minification 24.7 kB
  • After compression 5.1 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. Plastovaokna-olomouc.cz needs all CSS files to be minified and compressed as it can save up to 23.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (31%)

Requests Now

39

After Optimization

27

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plastova Okna Olomouc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

plastovaokna-olomouc.cz accessibility score

95

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

plastovaokna-olomouc.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

plastovaokna-olomouc.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 Plastovaokna-olomouc.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 Plastovaokna-olomouc.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 Plastova Okna Olomouc. 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: