Tools & Wizards About Us

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jezek-web.com

Ježek webdesign Liberec - tvorba www stránek od A do Z

Page Load Speed

3.5 sec in total

First Response

698 ms

Resources Loaded

2.4 sec

Page Rendered

334 ms

About Website

Visit jezek-web.com now to see the best up-to-date Jezek Web content and also check out these interesting facts you probably never knew about jezek-web.com

Profesionální tvorba webových stránek v Liberci a okolí. Od návrhu grafického layoutu, až po programování. 20 let zkušeností a kontinuální péče o váš web.

Visit jezek-web.com

Key Findings

We analyzed Jezek-web.com page load time and found that the first response time was 698 ms and then it took 2.8 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

jezek-web.com performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

jezek-web.com

698 ms

webfontskit.css

347 ms

main.css

354 ms

obsah.css

256 ms

jquery-1.9.1.min.js

746 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 80% of them (24 requests) were addressed to the original Jezek-web.com, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Ssl.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Jezek-web.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.0 kB (27%)

Content Size

501.5 kB

After Optimization

366.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jezek-web.com main page is 501.5 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. Images take 306.0 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 11.5 kB

  • Original 18.9 kB
  • After minification 18.5 kB
  • After compression 7.4 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 11.5 kB or 61% of the original size.

Image Optimization

-2%

Potential reduce by 7.4 kB

  • Original 306.0 kB
  • After minification 298.6 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. Jezek Web images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 94.1 kB

  • Original 151.3 kB
  • After minification 128.2 kB
  • After compression 57.2 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 94.1 kB or 62% of the original size.

CSS Optimization

-87%

Potential reduce by 21.9 kB

  • Original 25.2 kB
  • After minification 10.0 kB
  • After compression 3.2 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. Jezek-web.com needs all CSS files to be minified and compressed as it can save up to 21.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (24%)

Requests Now

29

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jezek Web. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jezek-web.com accessibility score

85

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

jezek-web.com best practices score

83

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

SEO Factors

jezek-web.com 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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jezek-web.com can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jezek-web.com 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 Jezek Web. 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: