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ceon.pl screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ceon.pl

Otwarta Nauka

Page Load Speed

1.8 sec in total

First Response

284 ms

Resources Loaded

1.4 sec

Page Rendered

101 ms

ceon.pl screenshot

About Website

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

Otwarta Nauka to kompetentne informacje na temat otwartego dostępu w nauce. Serwis objęły patronatem MNiSW, PAN i KRASP. Wejdź i dowiedz się więcej o otwartości w badaniach naukowych i edukacji.

Visit ceon.pl

Key Findings

We analyzed Ceon.pl page load time and found that the first response time was 284 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ceon.pl performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

284 ms

template.css

113 ms

core.js

215 ms

mootools-core.js

326 ms

caption.js

224 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Ceon.pl, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (354 ms) belongs to the original domain Ceon.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.4 kB (53%)

Content Size

287.4 kB

After Optimization

134.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ceon.pl main page is 287.4 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. Javascripts take 202.4 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.5 kB

  • Original 9.1 kB
  • After minification 8.4 kB
  • After compression 2.7 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 6.5 kB or 71% of the original size.

Image Optimization

-27%

Potential reduce by 18.6 kB

  • Original 69.7 kB
  • After minification 51.1 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, Ceon needs image optimization as it can save up to 18.6 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 123.5 kB

  • Original 202.4 kB
  • After minification 201.2 kB
  • After compression 78.9 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 123.5 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 4.8 kB

  • Original 6.2 kB
  • After minification 5.6 kB
  • After compression 1.4 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. Ceon.pl needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (31%)

Requests Now

13

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ceon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

284 ms

template.css

template.css

113 ms

core.js

core.js

215 ms

mootools-core.js

mootools-core.js

326 ms

caption.js

caption.js

224 ms

style.css

style.css

225 ms

jqueryV1.6.3.js

jqueryV1.6.3.js

354 ms

ga.js

ga.js

8 ms

Ceon.png

Ceon.png

114 ms

ceon_sign_en.png

ceon_sign_en.png

119 ms

searchButton.gif

searchButton.gif

114 ms

krzaczek.png

krzaczek.png

320 ms

icm_logo.png

icm_logo.png

114 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

ceon.pl accessibility score

78

Accessibility Issues

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

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>).

Best Practices

ceon.pl best practices score

75

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

SEO Factors

ceon.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ceon.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Ceon.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

ceon.pl

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