Access lumen.sk. Rádio Lumen

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

lumen.sk

691 ms

normalize.min.css

108 ms

jquery-ui-1.10.3.custom.min.css

223 ms

QapTcha.jquery.css

216 ms

jquery.jcarousel.css

220 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 67% of them (86 requests) were addressed to the original Lumen.sk, 11% (14 requests) were made to Scontent.xx.fbcdn.net and 6% (8 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (963 ms) belongs to the original domain Lumen.sk.

Content Size

1.3 MB

After Optimization

857.9 kB

In fact, the total size of Lumen.sk main page is 1.3 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. 65% of websites need less resources to load. Images take 900.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.2 kB

Original 56.1 kB
After minification 42.3 kB
After compression 11.0 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. This page needs HTML code to be minified as it can gain 13.9 kB, which is 25% 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 45.2 kB or 80% of the original size.

Image Optimization

-16%

Potential reduce by 146.3 kB

Original 900.9 kB
After minification 754.6 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. Obviously, Lumen needs image optimization as it can save up to 146.3 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

-72%

Potential reduce by 187.7 kB

Original 259.3 kB
After minification 188.0 kB
After compression 71.6 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 187.7 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 94.0 kB

Original 114.7 kB
After minification 97.0 kB
After compression 20.7 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. Lumen.sk needs all CSS files to be minified and compressed as it can save up to 94.0 kB or 82% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lumen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

High

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

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

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

SK
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lumen.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lumen.sk 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

lumen.sk

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

Rádio Lumen | Rádio Lumen

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

lumen.sk

normalize.min.css

jquery-ui-1.10.3.custom.min.css

QapTcha.jquery.css

jquery.jcarousel.css

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

lumen.sk

normalize.min.css

jquery-ui-1.10.3.custom.min.css

QapTcha.jquery.css

jquery.jcarousel.css

eventCalendar.css

eventCalendar_theme_responsive.css

main.css

styleLess.css

style.css

modernizr-2.6.2.min.js

jquery.min.js

jquery-migrate-1.2.1.min.js

jquery-ui.min.js

jquery.easing-1.3.pack.js

jquery.mousewheel-3.0.4.pack.js

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.css

css

meniny.js

jquery.ui.touch.js

QapTcha.jquery.js

jquery.noty.js

top.js

default.js

nicescroll.js

jquery.eventCalendar.js

dateformat.js

main.js

jquery.jcarousel.pack.js

sliderCustom.js

back-main.png

button-win-close.png

icon-fb.png

twitter.png

logo2.png

___big_terezka.jpg

___big__big_logo10.jpg

___big_2p_mala.gif

___big_rok_milosrdenstva.jpg

___big__big_gt16_800x600_logo.jpg

slidarrow.png

___small_terezka.jpg

_bigbig_logo10.jpg

_bigbig_gt16_800x600_logo.jpg

_smallbig_logo10.jpg

_smallbig_gt16_800x600_logo.jpg

_smallbig_big_big_photo_0048.jpg