Access e-light.cz. Svítidla - osvětlení - e-light - elight

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.092

91/100

15%

TTI (Time to Interactive)

Value11.9 s

17/100

10%

e-light.cz

378 ms

www.e-light.cz

1736 ms

cssloader-e34461aca3bb.css

724 ms

e-light.gif

410 ms

a_light_logo.png

407 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 75% of them (77 requests) were addressed to the original E-light.cz, 10% (10 requests) were made to Static.xx.fbcdn.net and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain E-light.cz.

Content Size

1.8 MB

After Optimization

1.0 MB

In fact, the total size of E-light.cz main page is 1.8 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. 50% of websites need less resources to load. Images take 866.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 70.4 kB

Original 83.4 kB
After minification 75.8 kB
After compression 13.0 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 70.4 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 59.0 kB

Original 866.8 kB
After minification 807.8 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. E Light images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 398.7 kB

Original 579.6 kB
After minification 489.8 kB
After compression 180.8 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 398.7 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 197.0 kB

Original 224.9 kB
After minification 188.7 kB
After compression 27.9 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. E-light.cz needs all CSS files to be minified and compressed as it can save up to 197.0 kB or 88% of the original size.

Requests Now

100

After Optimization

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Light. 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 as a result speed up the page load time.

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 E-light.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 E-light.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

e-light.cz

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

Svítidla - osvětlení - e-light - elight | E-light.cz

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

e-light.cz

www.e-light.cz

cssloader-e34461aca3bb.css

e-light.gif

a_light_logo.png

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

e-light.cz

www.e-light.cz

cssloader-e34461aca3bb.css

e-light.gif

a_light_logo.png

191222-112911-a.jpg

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jquery.min.js

jquery-ui.min.js

tinymce.min.js

retargeting.js

jsloader-18f6981df9fd.js

160812-169439316-c00.jpg