Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

reton.cz

RETON, spol.s r.o. - užitkové sklo a pískování, půjčovna přívěsných vozíků, pronájem klubovny a dílny údržby

Page Load Speed

4.6 sec in total

First Response

536 ms

Resources Loaded

3.7 sec

Page Rendered

422 ms

About Website

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

RETON, spol.s r.o. - užitkové sklo, dárkové sklo, pískování skla, půjčovna vozíků, pronájem klubovny, pronájem dílny údržby

Visit reton.cz

Key Findings

We analyzed Reton.cz page load time and found that the first response time was 536 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

reton.cz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

reton.cz

536 ms

www.reton.cz

806 ms

index.css

257 ms

jquery.js

877 ms

script.js

344 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 39% of them (16 requests) were addressed to the original Reton.cz, 51% (21 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (973 ms) belongs to the original domain Reton.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.0 kB (26%)

Content Size

506.1 kB

After Optimization

375.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reton.cz main page is 506.1 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. 30% of websites need less resources to load. Images take 254.6 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 6.1 kB

  • Original 9.4 kB
  • After minification 8.6 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 6.1 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 254.6 kB
  • After minification 254.6 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. RETON images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 96.6 kB

  • Original 208.5 kB
  • After minification 206.5 kB
  • After compression 112.0 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 96.6 kB or 46% of the original size.

CSS Optimization

-85%

Potential reduce by 28.4 kB

  • Original 33.5 kB
  • After minification 25.5 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. Reton.cz needs all CSS files to be minified and compressed as it can save up to 28.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (22%)

Requests Now

18

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RETON. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

reton.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.

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

reton.cz 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

High

Page has valid source maps

SEO Factors

reton.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 Reton.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 Reton.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 RETON. 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: