Tools & Wizards About Us
katalizator.net.pl screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

katalizator.net.pl

Katalityczne oczyszczanie gazów, katalityczna redukcja i oczyszczanie powietrza z LZO, dopalacze katalityczne - Katalizator

Page Load Speed

7.3 sec in total

First Response

350 ms

Resources Loaded

5 sec

Page Rendered

1.9 sec

katalizator.net.pl screenshot

About Website

Click here to check amazing Katalizator content. Otherwise, check out these important facts you probably never knew about katalizator.net.pl

Firma Katalizator oferuje katalityczne oczyszczanie gazów, katalityczna redukcja i oczyszczanie powietrza z LZO, dopalacze katalityczne. W ofercie znajduje się także katalizatory, układy katalityczne ...

Visit katalizator.net.pl

Key Findings

We analyzed Katalizator.net.pl page load time and found that the first response time was 350 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

katalizator.net.pl performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

katalizator.net.pl

350 ms

www.katalizator.tech

1319 ms

bootstrap.min.css

56 ms

css2

33 ms

style.css

260 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Katalizator.net.pl, 83% (33 requests) were made to Katalizator.tech and 5% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Katalizator.tech.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.9 kB (1%)

Content Size

5.5 MB

After Optimization

5.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katalizator.net.pl main page is 5.5 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. 30% of websites need less resources to load. Images take 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 30.0 kB

  • Original 39.5 kB
  • After minification 30.0 kB
  • After compression 9.4 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 9.5 kB, which is 24% 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 30.0 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 36.8 kB

  • Original 5.4 MB
  • After minification 5.4 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. Katalizator images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 714 B

  • Original 7.0 kB
  • After minification 7.0 kB
  • After compression 6.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-32%

Potential reduce by 1.4 kB

  • Original 4.4 kB
  • After minification 4.4 kB
  • After compression 3.0 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. Katalizator.net.pl needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

36

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalizator. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

katalizator.net.pl

katalizator.net.pl

350 ms

www.katalizator.tech

www.katalizator.tech

1319 ms

bootstrap.min.css

bootstrap.min.css

56 ms

css2

css2

33 ms

style.css

style.css

260 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

3 ms

jquery-3.5.1.slim.min.js

jquery-3.5.1.slim.min.js

16 ms

scripts.js

scripts.js

254 ms

grecaptcha.js

grecaptcha.js

267 ms

Katalizator%20Logo%20(2).webp

Katalizator%20Logo%20(2).webp

219 ms

Flaga.webp

Flaga.webp

222 ms

BackGround%20page%201.png

BackGround%20page%201.png

623 ms

BackGround%20page%202.png

BackGround%20page%202.png

636 ms

Projekt%20bez%20nazwy%20(7).png

Projekt%20bez%20nazwy%20(7).png

348 ms

logo_unieko.png

logo_unieko.png

388 ms

about_us.jpg

about_us.jpg

780 ms

Background%201988.png

Background%201988.png

779 ms

offer.png

offer.png

969 ms

1.webp

1.webp

518 ms

2.webp

2.webp

1033 ms

3.webp

3.webp

754 ms

4.webp

4.webp

1257 ms

Produkcja.png

Produkcja.png

1143 ms

Uslugi.png

Uslugi.png

1471 ms

image_grupa_poner.png

image_grupa_poner.png

1171 ms

napis_grupa_poner.png

napis_grupa_poner.png

1094 ms

zakres_uslug.png

zakres_uslug.png

1419 ms

Zobacz_nasze_produkty_w_galerii.png

Zobacz_nasze_produkty_w_galerii.png

1471 ms

Background_wh_gr.png

Background_wh_gr.png

1275 ms

2.png

2.png

2336 ms

6.png

6.png

1753 ms

4.png

4.png

1795 ms

IMG_20200514_170613.jpg

IMG_20200514_170613.jpg

2447 ms

koksownia%20SVOBODA%2012%20000.jpg

koksownia%20SVOBODA%2012%20000.jpg

3206 ms

7.png

7.png

1852 ms

Katalizator_bottom.png

Katalizator_bottom.png

1880 ms

BackGround%20page%207.png

BackGround%20page%207.png

2833 ms

BackGround%20page%209.png

BackGround%20page%209.png

2351 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

20 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

30 ms

Accessibility Review

katalizator.net.pl accessibility score

86

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

Best Practices

katalizator.net.pl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

katalizator.net.pl SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Katalizator.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 Katalizator.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

katalizator.net.pl

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