Access emos.cz. EMOS - drobné elektro pro vás | Nakupujte výhodně

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.356

31/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

emos.cz

339 ms

www.emos.cz

713 ms

style.css

346 ms

jquery.js

584 ms

jquery.jcarousel.min.js

354 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 93% of them (84 requests) were addressed to the original Emos.cz, 2% (2 requests) were made to C.imedia.cz and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Emos.cz.

Content Size

914.0 kB

After Optimization

182.9 kB

In fact, the total size of Emos.cz main page is 914.0 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. 45% of websites need less resources to load. Javascripts take 789.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 44.5 kB

Original 63.3 kB
After minification 57.9 kB
After compression 18.8 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 44.5 kB or 70% of the original size.

Image Optimization

-13%

Potential reduce by 4.4 kB

Original 34.2 kB
After minification 29.8 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, EMOS needs image optimization as it can save up to 4.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-84%

Potential reduce by 660.1 kB

Original 789.1 kB
After minification 506.6 kB
After compression 129.0 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 660.1 kB or 84% of the original size.

CSS Optimization

-81%

Potential reduce by 22.1 kB

Original 27.3 kB
After minification 19.4 kB
After compression 5.2 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. Emos.cz needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EMOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 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 input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Emos.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 Emos.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

emos.cz

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

EMOS - drobné elektro pro vás | Nakupujte výhodně | EMOS

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

emos.cz

www.emos.cz

style.css

jquery.js

jquery.jcarousel.min.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

emos.cz

www.emos.cz

style.css

jquery.js

jquery.jcarousel.min.js

jquery.jcarousel.css

skin.css

WebResource.axd

WebResource.axd

WebResource.axd

WebResource.axd

WebResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

style.css

script.js

jquery.lightbox-0.5.css

jquery.lightbox-0.5.js

retargeting.js

bg.png

cz.png

en.png

de.png

arrow.gif

testovano%20zachranari_svitilny_928%C3%97253.jpg

reportaz.jpg

nabidka-prace.jpg

zarovka-GU10-nova-tisk.gif

hpJ5838.gif

hpH1011.gif

hpMeteosky.gif

hpVahy.gif

hpEV012.gif

hpLampicky.gif