Access toneronline.cz. TONER-ONLINE s.r.o. :: prodej, pronájem a servis kancelářské techniky

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

www.toner-online.cz

651 ms

nivo-slider.css

96 ms

jquery.fancybox-1.3.1.css

190 ms

style.css

287 ms

jquery.js

294 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Toneronline.cz, 22% (13 requests) were made to Static.toner-online.s8.upgates.com and 5% (3 requests) were made to T.upgates.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Static.toner-online.s8.upgates.com.

Content Size

1.4 MB

After Optimization

696.5 kB

In fact, the total size of Toneronline.cz main page is 1.4 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. 45% of websites need less resources to load. Javascripts take 741.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 62.8 kB

Original 85.4 kB
After minification 80.3 kB
After compression 22.6 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 62.8 kB or 74% of the original size.

Image Optimization

-11%

Potential reduce by 50.1 kB

Original 463.5 kB
After minification 413.3 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, TONER ONLINE needs image optimization as it can save up to 50.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 501.1 kB

Original 741.4 kB
After minification 706.6 kB
After compression 240.3 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 501.1 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 132.0 kB

Original 152.3 kB
After minification 92.8 kB
After compression 20.3 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. Toneronline.cz needs all CSS files to be minified and compressed as it can save up to 132.0 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TONER ONLINE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

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 Toneronline.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 Toneronline.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

toneronline.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

TONER-ONLINE s.r.o. :: prodej, pronájem a servis kancelářské techniky

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.toner-online.cz

nivo-slider.css

jquery.fancybox-1.3.1.css

style.css

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.toner-online.cz

nivo-slider.css

jquery.fancybox-1.3.1.css

style.css

jquery.js

jquery.carouFredSel.js

jquery.hashchange.js

jqueryui.js

jquery.nette.js

jquery.cookie.js

jquery.ajaxform.js

jquery.fancybox-1.3.1.js

functions.js

jquery.nivo.slider.pack.js

common.js

addthis_widget.js

cookiesagreement-js

analytics.js

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