Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

conrad.edu.pl

Najlepsza szkoła językowa w Olsztynie - Conrad PSJO

Page Load Speed

3.3 sec in total

First Response

657 ms

Resources Loaded

2.4 sec

Page Rendered

223 ms

conrad.edu.pl screenshot

About Website

Click here to check amazing Conrad content. Otherwise, check out these important facts you probably never knew about conrad.edu.pl

Nasza szkoła językowa prowadzi dobre kursy w rozsądnej cenie, w grupach do pięciu osób. Oferujemy ponadto wszelkiego rodzaju tłumaczenia.

Visit conrad.edu.pl

Key Findings

We analyzed Conrad.edu.pl page load time and found that the first response time was 657 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

conrad.edu.pl performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.186

65/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

conrad.edu.pl

657 ms

www.conrad.edu.pl

607 ms

screen.css

123 ms

jquery.min.js

37 ms

global.js

239 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 95% of them (19 requests) were addressed to the original Conrad.edu.pl, 5% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (722 ms) belongs to the original domain Conrad.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.9 kB (28%)

Content Size

581.7 kB

After Optimization

419.8 kB

In fact, the total size of Conrad.edu.pl main page is 581.7 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. 15% of websites need less resources to load. Images take 543.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.8 kB

  • Original 8.4 kB
  • After minification 6.8 kB
  • After compression 2.6 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 1.5 kB, which is 18% 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 5.8 kB or 69% of the original size.

Image Optimization

-24%

Potential reduce by 132.9 kB

  • Original 543.6 kB
  • After minification 410.6 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. Obviously, Conrad needs image optimization as it can save up to 132.9 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 2.0 kB

  • Original 2.8 kB
  • After minification 2.4 kB
  • After compression 800 B

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 2.0 kB or 72% of the original size.

CSS Optimization

-79%

Potential reduce by 21.1 kB

  • Original 26.9 kB
  • After minification 22.5 kB
  • After compression 5.7 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. Conrad.edu.pl needs all CSS files to be minified and compressed as it can save up to 21.1 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Conrad. According to our analytics all requests are already optimized.

Accessibility Review

conrad.edu.pl accessibility score

61

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

conrad.edu.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

SEO Factors

conrad.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Conrad.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 Conrad.edu.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 Conrad. 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: