Tools & Wizards About Us
webdeveloping.cz screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

webdeveloping.cz

Tvorba webových stránek - zakázková tvorba na míru

Page Load Speed

3 sec in total

First Response

414 ms

Resources Loaded

2.4 sec

Page Rendered

145 ms

webdeveloping.cz screenshot

About Website

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

Nabízím profesionální služby v oblasti individuální tvorby webových stránek. Dopřejte si webové stránky na míru Vašich požadavků.

Visit webdeveloping.cz

Key Findings

We analyzed Webdeveloping.cz page load time and found that the first response time was 414 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

webdeveloping.cz performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

webdeveloping.cz

414 ms

webdeveloping.cz

490 ms

main.css

113 ms

lightbox.min.css

214 ms

cookiechoice.css

299 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Webdeveloping.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (693 ms) belongs to the original domain Webdeveloping.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.4 kB (21%)

Content Size

402.4 kB

After Optimization

317.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Webdeveloping.cz main page is 402.4 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. Only 10% of websites need less resources to load. Images take 274.7 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 5.7 kB

  • Original 9.1 kB
  • After minification 9.0 kB
  • After compression 3.4 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 5.7 kB or 62% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 274.7 kB
  • After minification 273.4 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. Webdeveloping images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 65.9 kB

  • Original 101.1 kB
  • After minification 100.9 kB
  • After compression 35.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 65.9 kB or 65% of the original size.

CSS Optimization

-72%

Potential reduce by 12.6 kB

  • Original 17.5 kB
  • After minification 15.7 kB
  • After compression 4.9 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. Webdeveloping.cz needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (40%)

Requests Now

15

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webdeveloping. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

webdeveloping.cz

webdeveloping.cz

414 ms

webdeveloping.cz

webdeveloping.cz

490 ms

main.css

main.css

113 ms

lightbox.min.css

lightbox.min.css

214 ms

cookiechoice.css

cookiechoice.css

299 ms

lightbox-plus-jquery.min.js

lightbox-plus-jquery.min.js

693 ms

scripts.js

scripts.js

299 ms

mobile-menu.js

mobile-menu.js

300 ms

cookiechoice.js

cookiechoice.js

311 ms

logo.png

logo.png

103 ms

mobile-menu.png

mobile-menu.png

102 ms

bg-benefits.jpg

bg-benefits.jpg

691 ms

prev.png

prev.png

104 ms

next.png

next.png

103 ms

loading.gif

loading.gif

108 ms

close.png

close.png

161 ms

mobile.css

mobile.css

101 ms

Accessibility Review

webdeveloping.cz accessibility score

100

Accessibility Issues

Best Practices

webdeveloping.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

High

Page has valid source maps

SEO Factors

webdeveloping.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 Webdeveloping.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 Webdeveloping.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

webdeveloping.cz

Open Graph description is not detected on the main page of Webdeveloping. 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: