Tools & Wizards About Us

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jezirka-zdevis.cz

Jezírka, zahradní jezírka Zdevis

Page Load Speed

4.8 sec in total

First Response

333 ms

Resources Loaded

4.3 sec

Page Rendered

183 ms

About Website

Click here to check amazing Jezirka Zdevis content. Otherwise, check out these important facts you probably never knew about jezirka-zdevis.cz

Jezírka, Zahradní jezírka, Zahradní vodopády, Filtrace jezírka, Hydroizolace jezírka

Visit jezirka-zdevis.cz

Key Findings

We analyzed Jezirka-zdevis.cz page load time and found that the first response time was 333 ms and then it took 4.5 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

jezirka-zdevis.cz performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.237

52/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

jezirka-zdevis.cz

333 ms

www.jezirka-zdevis.cz

228 ms

www.jezirka-zdevis.cz

576 ms

cookieconsent.min.css

108 ms

cookieconsent.min.js

215 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 96% of them (25 requests) were addressed to the original Jezirka-zdevis.cz, 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Jezirka-zdevis.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 MB (67%)

Content Size

4.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jezirka-zdevis.cz main page is 4.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 155.9 kB

  • Original 189.4 kB
  • After minification 184.3 kB
  • After compression 33.5 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 155.9 kB or 82% of the original size.

Image Optimization

-67%

Potential reduce by 2.8 MB

  • Original 4.1 MB
  • After minification 1.3 MB

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, Jezirka Zdevis needs image optimization as it can save up to 2.8 MB or 67% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 1 B

  • Original 62.7 kB
  • After minification 62.7 kB
  • After compression 62.7 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

-9%

Potential reduce by 3.6 kB

  • Original 39.3 kB
  • After minification 39.3 kB
  • After compression 35.7 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. Jezirka-zdevis.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (36%)

Requests Now

22

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

Accessibility Review

jezirka-zdevis.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

jezirka-zdevis.cz best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jezirka-zdevis.cz SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Jezirka-zdevis.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 Jezirka-zdevis.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 Jezirka Zdevis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: