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igf.edu.pl screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    65% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

igf.edu.pl

IGF PAN - Strona główna

Page Load Speed

3.7 sec in total

First Response

1.1 sec

Resources Loaded

2.4 sec

Page Rendered

291 ms

igf.edu.pl screenshot

About Website

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

Instytut Geofizyki PAN (IGF PAN) jest placówką naukową reprezentującą główny nurt polskich badań podstawowych w zakresie fizyki Ziemi.

Visit igf.edu.pl

Key Findings

We analyzed Igf.edu.pl page load time and found that the first response time was 1.1 sec and then it took 2.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

igf.edu.pl performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.187

65/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

igf.edu.pl

1079 ms

style.css

125 ms

validationEngine.jquery.css

323 ms

text.css

324 ms

jquery.fancybox-1.3.4.css

341 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 89% of them (39 requests) were addressed to the original Igf.edu.pl, 9% (4 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Igf.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.4 kB (23%)

Content Size

1.2 MB

After Optimization

889.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Igf.edu.pl main page is 1.2 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. 45% of websites need less resources to load. Images take 851.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.8 kB

  • Original 46.0 kB
  • After minification 42.2 kB
  • After compression 10.2 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 35.8 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 34.0 kB

  • Original 851.3 kB
  • After minification 817.4 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. IGF images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 151.9 kB

  • Original 204.9 kB
  • After minification 165.5 kB
  • After compression 52.9 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 151.9 kB or 74% of the original size.

CSS Optimization

-85%

Potential reduce by 48.7 kB

  • Original 57.3 kB
  • After minification 44.5 kB
  • After compression 8.6 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. Igf.edu.pl needs all CSS files to be minified and compressed as it can save up to 48.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

39

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IGF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

igf.edu.pl

igf.edu.pl

1079 ms

style.css

style.css

125 ms

validationEngine.jquery.css

validationEngine.jquery.css

323 ms

text.css

text.css

324 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

341 ms

css

css

26 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

484 ms

jquery.cookie.js

jquery.cookie.js

383 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

229 ms

jquery.validationEngine.js

jquery.validationEngine.js

383 ms

jquery.validationEngine-0.js

jquery.validationEngine-0.js

424 ms

jquery.placeholder.min.js

jquery.placeholder.min.js

422 ms

public.js

public.js

452 ms

logo.png

logo.png

563 ms

bip.png

bip.png

464 ms

banner.jpg

banner.jpg

1169 ms

65c2c354.png

65c2c354.png

851 ms

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1aa35a44.jpg

789 ms

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1102 ms

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8890da47.jpg

707 ms

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678 ms

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af00f4ab.png

904 ms

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d96fca38.jpg

825 ms

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905 ms

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943 ms

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958 ms

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1021 ms

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1021 ms

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1058 ms

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1a7eed0e.jpg

1066 ms

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fb26cee6.png

1135 ms

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1136 ms

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1171 ms

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1173 ms

836aff36.jpg

836aff36.jpg

1207 ms

7f9092f0.png

7f9092f0.png

1248 ms

pan-logo.png

pan-logo.png

916 ms

images.png

images.png

939 ms

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

Zd2E9abXLFGSr9G3YK2MsB43XjeME5heavxWqLE69Ro.ttf

8 ms

5M21SdFLkD52QavfmHs6cA.ttf

5M21SdFLkD52QavfmHs6cA.ttf

12 ms

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

Pru33qjShpZSmG3z6VYwnaCWcynf_cDxXwCLxiixG1c.ttf

18 ms

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

97uahxiqZRoncBaCEI3aW6CWcynf_cDxXwCLxiixG1c.ttf

18 ms

bg_cookie.png

bg_cookie.png

755 ms

acceptCookieWhite.png

acceptCookieWhite.png

749 ms

Accessibility Review

igf.edu.pl accessibility score

92

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

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>).

High

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

Best Practices

igf.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

igf.edu.pl SEO score

88

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

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

High

Tap targets are not sized appropriately

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 Igf.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 Igf.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

igf.edu.pl

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