Access dwunastka.net.pl. Dwunastka.net.pl

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

dwunastka.net.pl

343 ms

www.dwunastka.net.pl

330 ms

www.dwunastka.net.pl

603 ms

style.css

133 ms

style-rwd.css

259 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 91% of them (69 requests) were addressed to the original Dwunastka.net.pl, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dwunastka.net.pl.

Content Size

1.2 MB

After Optimization

778.7 kB

In fact, the total size of Dwunastka.net.pl main page is 1.2 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 943.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 48.7 kB

Original 58.6 kB
After minification 57.2 kB
After compression 9.9 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 48.7 kB or 83% of the original size.

Image Optimization

-30%

Potential reduce by 286.9 kB

Original 943.3 kB
After minification 656.4 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, Dwunastka needs image optimization as it can save up to 286.9 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

-35%

Potential reduce by 49.1 kB

Original 140.4 kB
After minification 140.4 kB
After compression 91.3 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 49.1 kB or 35% of the original size.

CSS Optimization

-10%

Potential reduce by 2.4 kB

Original 23.5 kB
After minification 23.5 kB
After compression 21.0 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. Dwunastka.net.pl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dwunastka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS 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

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

<input type="image"> elements do not have [alt] text

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

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

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

PL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dwunastka.net.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Dwunastka.net.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

dwunastka.net.pl

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

Dwunastka.net.pl

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

dwunastka.net.pl

www.dwunastka.net.pl

www.dwunastka.net.pl

style.css

style-rwd.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

dwunastka.net.pl

www.dwunastka.net.pl

www.dwunastka.net.pl

style.css

style-rwd.css

flexslider.css

fancybox.css

balloon.css

modernizr.custom.js

jquery-3.3.1.min.js

jquery.transit.min.js

jquery.flexslider-min.js

jquery.hoverIntent.min.js

jquery.fancybox.min.js

progressbar.min.js

startup.js

skrypty.php

reset.css

fbevents.js

analytics.js

loading.gif

dwunastka.png

top-search.png

fav.png

koszyk.png

trigger.png

51_i.png

252_i.png

41_i.png

104_i.png

1_i.png

4_i.png

przechowalnia.gif

koszyk.gif

karimata-mata-samopompujaca-sp_9529_k.jpg

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spiwor-abarqs-1600-z-mumia_10917_k.jpg

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