Access polster.com.pl. Producent Minibusów i Autobusów - Zabudowy Busów i Autobusów

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.522

15/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

polster.com.pl

559 ms

www.polster.pl

507 ms

css

23 ms

main.css

321 ms

font-awesome.min.css

221 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Polster.com.pl, 59% (39 requests) were made to Polster.pl and 15% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Polster.pl.

Content Size

580.9 kB

After Optimization

395.6 kB

In fact, the total size of Polster.com.pl main page is 580.9 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. Images take 293.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.6 kB

Original 15.6 kB
After minification 14.5 kB
After compression 4.0 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 11.6 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 2.4 kB

Original 293.0 kB
After minification 290.6 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. Polster Com images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 126.5 kB

Original 215.8 kB
After minification 194.8 kB
After compression 89.3 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 126.5 kB or 59% of the original size.

CSS Optimization

-79%

Potential reduce by 44.9 kB

Original 56.5 kB
After minification 51.0 kB
After compression 11.6 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. Polster.com.pl needs all CSS files to be minified and compressed as it can save up to 44.9 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polster Com. 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 from 8 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

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 Polster.com.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 Polster.com.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

polster.com.pl

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

Producent Minibusów i Autobusów - Zabudowy Busów i Autobusów | Polster

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

polster.com.pl

www.polster.pl

css

main.css

font-awesome.min.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

polster.com.pl

www.polster.pl

css

main.css

font-awesome.min.css

nivo.css

jquery.fancybox.css

jquery.fancybox-thumbs.css

jquery.js

jquery.cookie.js

jquery.fancybox.js

jquery.fancybox-thumbs.js

nivo.js

main.js

bb_fbslider.js

conversion.js

bg.gif

25years.png

img_logo_polster.gif

img_lang_pl.gif

img_lang_en.gif

bg_roll_menu.gif

img_header_1.jpg

img_header_2.jpg

img_header_3.jpg

bg_submenu.gif

bg_arrow_light.png

bg_link_submenu.jpg

img_minibusy.jpg

img_autobusy.jpg

img_zaglowki.jpg

img_konfigurator.jpg

img_dokumenty_online.jpg

bg_dotted.gif

bg_gray_box.gif

ico_360.gif

ico_tuv.gif

ga.js

bg_slider_direction_left.png

bg_slider_direction_right.png

btn_slide_active.png

btn_slide.png

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