Access rondobis.pl. Kurs, nauka na prawo jazdy kat B | Szkoła Gdynia Wejherowo Trójmiasto

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.174

69/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

rondobis.pl

518 ms

styles.css

120 ms

jquery-1.8.0.min.js

447 ms

jquery.cycle.all.js

336 ms

jquery.lightbox-0.5.js

350 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 87% of them (68 requests) were addressed to the original Rondobis.pl, 3% (2 requests) were made to Stats.g.doubleclick.net and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Rondobis.pl.

Content Size

1.8 MB

After Optimization

1.3 MB

In fact, the total size of Rondobis.pl 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 30.7 kB

Original 42.1 kB
After minification 39.0 kB
After compression 11.4 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. 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 30.7 kB or 73% of the original size.

Image Optimization

-16%

Potential reduce by 216.0 kB

Original 1.3 MB
After minification 1.1 MB

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, Rondobis needs image optimization as it can save up to 216.0 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

-69%

Potential reduce by 310.7 kB

Original 449.5 kB
After minification 403.1 kB
After compression 138.8 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 310.7 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 13.7 kB

Original 17.2 kB
After minification 14.9 kB
After compression 3.5 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. Rondobis.pl needs all CSS files to be minified and compressed as it can save up to 13.7 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rondobis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts 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-hidden="true"] elements contain focusable descendents

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

Page has valid source maps

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

PL
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rondobis.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Rondobis.pl 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

rondobis.pl

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

Kurs, nauka na prawo jazdy kat B | Szkoła Gdynia Wejherowo Trójmiasto

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

rondobis.pl

styles.css

jquery-1.8.0.min.js

jquery.cycle.all.js

jquery.lightbox-0.5.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

rondobis.pl

styles.css

jquery-1.8.0.min.js

jquery.cycle.all.js

jquery.lightbox-0.5.js

jquery-ui-1.8.23.custom.min.js

jquery.mousewheel.min.js

jquery.lightbox-0.5.css

jquery.smoothdivscroll-1.2-min.js

conversion.js

dc.js

bg.jpg

bg_intro.png

img_intro-bg.png

img_intro-link.png

twd.jpg

img_logo.png

img_little-arrow.png

img_menu-separator.png

img_submenu-arrow.png

bg_slide-pager.png

bg_slide.png

bg_slide-top.png

bg_slide-bottom.png

bg_slide-left.png

bg_slide-right.png

144603363536.jpg

143150550422.jpg

142598312848.jpg

145718108880.jpg

144853630866.jpg

img_sign-online.png

yt.png

img_fb.png

img_inst.png

20160316_161212j.jpg

kolorowe-tulipanyj.jpg

big_husariavizj.jpg

img_tricity.jpg

bg_content.jpg

142529908854(1).jpg

RONDOBIS_2013_10_04_banner_small_01a%20kopia(1).jpg

RONDOBIS_2013_10_04_banner_small_02a%20kopia.jpg