Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

oskko.edu.pl

Ogólnopolskie Stowarzyszenie Kadry Kierowniczej Oświaty

Page Load Speed

5 sec in total

First Response

541 ms

Resources Loaded

4.1 sec

Page Rendered

410 ms

oskko.edu.pl screenshot

About Website

Welcome to oskko.edu.pl homepage info - get ready to check Oskko best content for Poland right away, or after learning these important things about oskko.edu.pl

OSKKO to stowarzyszenie dyrektorów, wizytatorów, pracowników zajmujących się zarządzaniem oświatą. Szkolenia oświatowe, konsultacje rozporządzeń

Visit oskko.edu.pl

Key Findings

We analyzed Oskko.edu.pl page load time and found that the first response time was 541 ms and then it took 4.5 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

oskko.edu.pl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

oskko.edu.pl

541 ms

style.css

227 ms

urchin.js

23 ms

start.js

259 ms

widgets.js

30 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 70% of them (73 requests) were addressed to the original Oskko.edu.pl, 10% (10 requests) were made to Static.xx.fbcdn.net and 5% (5 requests) were made to Scontent-iad3-1.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Oskko.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 197.6 kB (11%)

Content Size

1.8 MB

After Optimization

1.6 MB

In fact, the total size of Oskko.edu.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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 88.7 kB

  • Original 101.9 kB
  • After minification 96.2 kB
  • After compression 13.2 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 88.7 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 80.4 kB

  • Original 1.7 MB
  • After minification 1.6 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. Oskko images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 26.4 kB

  • Original 58.4 kB
  • After minification 56.8 kB
  • After compression 32.0 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 26.4 kB or 45% of the original size.

CSS Optimization

-76%

Potential reduce by 2.1 kB

  • Original 2.7 kB
  • After minification 2.5 kB
  • After compression 644 B

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. Oskko.edu.pl needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (25%)

Requests Now

104

After Optimization

78

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oskko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oskko.edu.pl accessibility score

60

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

oskko.edu.pl best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

oskko.edu.pl SEO score

69

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oskko.edu.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 Oskko.edu.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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