Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

regzone.cz

The domain of domain registration: domain cz - regZone.cz

Page Load Speed

3.3 sec in total

First Response

397 ms

Resources Loaded

2.7 sec

Page Rendered

166 ms

About Website

Welcome to regzone.cz homepage info - get ready to check RegZone best content for Czech Republic right away, or after learning these important things about regzone.cz

Domain management and domain registration. Domain CZ, EU, COM + dozens of web domains for registration + free webhosting, DNS, business card, e-mail.

Visit regzone.cz

Key Findings

We analyzed Regzone.cz page load time and found that the first response time was 397 ms and then it took 2.9 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

regzone.cz performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

regzone.cz

397 ms

www.regzone.cz

311 ms

www.regzone.cz

460 ms

screen.css

100 ms

screen.css

199 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 91% of them (63 requests) were addressed to the original Regzone.cz, 4% (3 requests) were made to Inetchat.zoner.com and 4% (3 requests) were made to Ad.czechia.com. The less responsive or slowest element that took the longest time to load (680 ms) belongs to the original domain Regzone.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.8 kB (22%)

Content Size

236.0 kB

After Optimization

185.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Regzone.cz main page is 236.0 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. 25% of websites need less resources to load. Images take 131.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.5 kB

  • Original 32.0 kB
  • After minification 21.4 kB
  • After compression 6.5 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. This page needs HTML code to be minified as it can gain 10.6 kB, which is 33% 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 25.5 kB or 80% of the original size.

Image Optimization

-16%

Potential reduce by 21.2 kB

  • Original 131.0 kB
  • After minification 109.8 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, RegZone needs image optimization as it can save up to 21.2 kB or 16% 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 54 B

  • Original 49.9 kB
  • After minification 49.9 kB
  • After compression 49.9 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

-17%

Potential reduce by 4.0 kB

  • Original 23.0 kB
  • After minification 23.0 kB
  • After compression 19.0 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. Regzone.cz needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (48%)

Requests Now

66

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RegZone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

regzone.cz accessibility score

76

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

regzone.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

regzone.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Regzone.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Regzone.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 RegZone. 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: