Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

polon.nauka.gov.pl

POL-on – zintegrowany system informacji o nauce polskiej i szkolnictwie wyższym

Page Load Speed

3 sec in total

First Response

372 ms

Resources Loaded

2.1 sec

Page Rendered

465 ms

polon.nauka.gov.pl screenshot

About Website

Visit polon.nauka.gov.pl now to see the best up-to-date POL On Nauka content for Poland and also check out these interesting facts you probably never knew about polon.nauka.gov.pl

Pol-on to najbardziej obszerne repozytorium danych o polskiej nauce i szkolnictwie wyższym. Jest największym z punktu widzenia zakresu zbieranych danych działającym systemem publicznym.

Visit polon.nauka.gov.pl

Key Findings

We analyzed Polon.nauka.gov.pl page load time and found that the first response time was 372 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

polon.nauka.gov.pl performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

polon.nauka.gov.pl

372 ms

polon.nauka.gov.pl

1011 ms

icon

39 ms

js

85 ms

style.css

262 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Polon.nauka.gov.pl, 6% (1 request) were made to Fonts.googleapis.com and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Polon.nauka.gov.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.4 kB (22%)

Content Size

113.3 kB

After Optimization

88.9 kB

In fact, the total size of Polon.nauka.gov.pl main page is 113.3 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. CSS take 42.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.1 kB

  • Original 31.1 kB
  • After minification 30.4 kB
  • After compression 7.0 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 24.1 kB or 78% of the original size.

JavaScript Optimization

-0%

Potential reduce by 37 B

  • Original 39.4 kB
  • After minification 39.4 kB
  • After compression 39.4 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

-1%

Potential reduce by 250 B

  • Original 42.8 kB
  • After minification 42.8 kB
  • After compression 42.6 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. Polon.nauka.gov.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (23%)

Requests Now

13

After Optimization

10

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of POL On Nauka. 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.

Accessibility Review

polon.nauka.gov.pl accessibility score

100

Accessibility Issues

Best Practices

polon.nauka.gov.pl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

polon.nauka.gov.pl SEO score

100

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polon.nauka.gov.pl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Polish. Our system also found out that Polon.nauka.gov.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 POL On Nauka. 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: