Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ifd.fuw.edu.pl

Instytut Fizyki Doświadczalnej

Page Load Speed

4.4 sec in total

First Response

1.1 sec

Resources Loaded

3.1 sec

Page Rendered

228 ms

ifd.fuw.edu.pl screenshot

About Website

Visit ifd.fuw.edu.pl now to see the best up-to-date Ifd Fuw content for Poland and also check out these interesting facts you probably never knew about ifd.fuw.edu.pl

Visit ifd.fuw.edu.pl

Key Findings

We analyzed Ifd.fuw.edu.pl page load time and found that the first response time was 1.1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

ifd.fuw.edu.pl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

ifd.fuw.edu.pl

1133 ms

default.css

426 ms

jquery.js

639 ms

init.js

223 ms

reset.css

215 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Ifd.fuw.edu.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ifd.fuw.edu.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.9 kB (48%)

Content Size

167.8 kB

After Optimization

88.0 kB

In fact, the total size of Ifd.fuw.edu.pl main page is 167.8 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. Only 10% of websites need less resources to load. Images take 63.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.8 kB

  • Original 12.1 kB
  • After minification 11.5 kB
  • After compression 3.3 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 73% of the original size.

Image Optimization

-11%

Potential reduce by 6.8 kB

  • Original 63.2 kB
  • After minification 56.4 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, Ifd Fuw needs image optimization as it can save up to 6.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 40.4 kB

  • Original 61.0 kB
  • After minification 60.0 kB
  • After compression 20.5 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 40.4 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 23.8 kB

  • Original 31.5 kB
  • After minification 22.5 kB
  • After compression 7.7 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. Ifd.fuw.edu.pl needs all CSS files to be minified and compressed as it can save up to 23.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (53%)

Requests Now

34

After Optimization

16

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ifd Fuw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ifd.fuw.edu.pl accessibility score

63

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ifd.fuw.edu.pl best practices score

67

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ifd.fuw.edu.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

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ifd.fuw.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 Ifd.fuw.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 Ifd Fuw. 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: