Access bart.sk. bart.sk - digitálne produkty, ktoré zlepšujú život

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

bart.sk

448 ms

www.bart.sk

469 ms

css

24 ms

formalize.css

236 ms

style.css

250 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 96% of them (86 requests) were addressed to the original Bart.sk, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Bart.sk.

Content Size

755.3 kB

After Optimization

389.4 kB

In fact, the total size of Bart.sk main page is 755.3 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. 40% of websites need less resources to load. Images take 432.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 32.1 kB

Original 37.5 kB
After minification 22.2 kB
After compression 5.4 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. This page needs HTML code to be minified as it can gain 15.3 kB, which is 41% 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 32.1 kB or 86% of the original size.

Image Optimization

-30%

Potential reduce by 131.4 kB

Original 432.0 kB
After minification 300.6 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, Bart needs image optimization as it can save up to 131.4 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 163.5 kB

Original 237.3 kB
After minification 185.4 kB
After compression 73.8 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 163.5 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 38.8 kB

Original 48.4 kB
After minification 34.9 kB
After compression 9.6 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. Bart.sk needs all CSS files to be minified and compressed as it can save up to 38.8 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

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

High

Image elements do not have [alt] attributes

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

High

<html> element does not have a valid value for its [lang] attribute.

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Browser errors were logged to the console

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bart.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it does not match the claimed English language. Our system also found out that Bart.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

bart.sk

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

bart.sk - digitálne produkty, ktoré zlepšujú život

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

bart.sk

www.bart.sk

css

formalize.css

style.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

bart.sk

www.bart.sk

css

formalize.css

style.css

style.css

jquery.fancybox.css

homepage.css

homepage.css

progress.css

progress-responsive.css

jquery.min.js

ios-zoom-fix.min.js

jquery.fancybox.pack.js

fastclick.js

jquery.cycle2.js

bootstrap.js

jquery.formalize.js

jquery.progress.js

homepage.js

ga.js

__utm.gif

bg.jpg

menu-button.png

icon-info2.png

icon-facebook-small.png

icon-blog-small.png

en.png

image-slider-bg.png

image-slider-shadow.png

hp-icon-apps.png

hp-icon-eshop.png

hp-icon-marketing.png

hp-icon-webpages.png

hp-icon-service.png

big-shadow.png

icon-support.png

small-shadow.png

icon-service.png

icon-blog.png

icon-fb.png

portfolio-bg.png

drmax-invert.png