Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

centrum.jakosci.pl

Centrum Jakości - porównanie ofert szkolenia ISO 9001, ISO 14001, ISO 27001, HACCP, TS 16949, ABI | - Centrum jakości

Page Load Speed

4 sec in total

First Response

364 ms

Resources Loaded

3.5 sec

Page Rendered

189 ms

About Website

Visit centrum.jakosci.pl now to see the best up-to-date Centrum Jakosci content for Poland and also check out these interesting facts you probably never knew about centrum.jakosci.pl

Wszystko o ISO 9001, szkolenia, oferty pracy, artykuły. Porówna j oferty szkoleń dla audytorów, pełnomocników ISO 9001, ISO 14001, ISO 27001.

Visit centrum.jakosci.pl

Key Findings

We analyzed Centrum.jakosci.pl page load time and found that the first response time was 364 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

centrum.jakosci.pl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

centrum.jakosci.pl

364 ms

centrum.jakosci.pl

948 ms

style0812.css

122 ms

newsletter.css

238 ms

jquery.min.js

697 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 70% of them (43 requests) were addressed to the original Centrum.jakosci.pl, 5% (3 requests) were made to Google.com and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Centrum.jakosci.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.7 kB (34%)

Content Size

460.1 kB

After Optimization

304.4 kB

In fact, the total size of Centrum.jakosci.pl main page is 460.1 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. 25% of websites need less resources to load. Images take 194.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 35.0 kB

  • Original 47.4 kB
  • After minification 42.9 kB
  • After compression 12.3 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 35.0 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 2.7 kB

  • Original 194.2 kB
  • After minification 191.5 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. Centrum Jakosci images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 96.5 kB

  • Original 192.0 kB
  • After minification 191.2 kB
  • After compression 95.6 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 96.5 kB or 50% of the original size.

CSS Optimization

-81%

Potential reduce by 21.5 kB

  • Original 26.5 kB
  • After minification 20.0 kB
  • After compression 5.0 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. Centrum.jakosci.pl needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (46%)

Requests Now

54

After Optimization

29

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Jakosci. 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 as a result speed up the page load time.

Accessibility Review

centrum.jakosci.pl accessibility score

86

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

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

High

Links do not have a discernible name

Best Practices

centrum.jakosci.pl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

centrum.jakosci.pl SEO score

99

Search Engine Optimization Advices

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

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 Centrum.jakosci.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 Centrum.jakosci.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

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