Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

instytutirl.com.pl

Strona główna - Instytut IRL

Page Load Speed

2.7 sec in total

First Response

493 ms

Resources Loaded

1.6 sec

Page Rendered

650 ms

instytutirl.com.pl screenshot

About Website

Welcome to instytutirl.com.pl homepage info - get ready to check Instytut IRL Com best content right away, or after learning these important things about instytutirl.com.pl

INSTYTUT naukowo-badawczy im. Prof. Ryszarda Lorenca w Krakowie.

Visit instytutirl.com.pl

Key Findings

We analyzed Instytutirl.com.pl page load time and found that the first response time was 493 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

instytutirl.com.pl performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

instytutirl.com.pl

493 ms

style.css

120 ms

fck_editorarea.css

336 ms

middle.jpg

359 ms

1.jpg

360 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Instytutirl.com.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (765 ms) belongs to the original domain Instytutirl.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.2 kB (21%)

Content Size

439.2 kB

After Optimization

345.0 kB

In fact, the total size of Instytutirl.com.pl main page is 439.2 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 411.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 17.7 kB

  • Original 24.4 kB
  • After minification 23.5 kB
  • After compression 6.7 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 17.7 kB or 73% of the original size.

Image Optimization

-18%

Potential reduce by 74.4 kB

  • Original 411.8 kB
  • After minification 337.4 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. Obviously, Instytut IRL Com needs image optimization as it can save up to 74.4 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-70%

Potential reduce by 2.1 kB

  • Original 3.0 kB
  • After minification 2.6 kB
  • After compression 924 B

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. Instytutirl.com.pl needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Instytut IRL Com. According to our analytics all requests are already optimized.

Accessibility Review

instytutirl.com.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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

instytutirl.com.pl best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

instytutirl.com.pl SEO score

84

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

    N/A

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Instytutirl.com.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Instytutirl.com.pl main page’s claimed encoding is iso-8859-2. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Instytut IRL Com. 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: