Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

bk.us.edu.pl

Biuro Karier

Page Load Speed

4.7 sec in total

First Response

928 ms

Resources Loaded

3.6 sec

Page Rendered

184 ms

bk.us.edu.pl screenshot

About Website

Visit bk.us.edu.pl now to see the best up-to-date Bk Us content for Poland and also check out these interesting facts you probably never knew about bk.us.edu.pl

Visit bk.us.edu.pl

Key Findings

We analyzed Bk.us.edu.pl page load time and found that the first response time was 928 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bk.us.edu.pl performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

bk.us.edu.pl

928 ms

css_d0ebb7a21d62fd62880b24f81015911f.css

447 ms

js_3faf29a5eecbf1a31acdd0b04e6baf78.js

677 ms

background.png

115 ms

header.jpg

224 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 94% of them (33 requests) were addressed to the original Bk.us.edu.pl, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Bk.us.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.6 kB (61%)

Content Size

81.4 kB

After Optimization

31.8 kB

In fact, the total size of Bk.us.edu.pl main page is 81.4 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. 20% of websites need less resources to load. CSS take 51.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 8.8 kB

  • Original 12.8 kB
  • After minification 12.1 kB
  • After compression 3.9 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 8.8 kB or 69% of the original size.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-79%

Potential reduce by 40.8 kB

  • Original 51.5 kB
  • After minification 50.1 kB
  • After compression 10.7 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. Bk.us.edu.pl needs all CSS files to be minified and compressed as it can save up to 40.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (32%)

Requests Now

34

After Optimization

23

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bk Us. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

bk.us.edu.pl accessibility score

100

Accessibility Issues

Best Practices

bk.us.edu.pl best practices score

67

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

bk.us.edu.pl SEO score

62

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

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 Bk.us.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 Bk.us.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 Bk Us. 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: