Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kfm.p.lodz.pl

Katedra Fizyki Molekularnej Politechniki Łódzkiej

Page Load Speed

3.1 sec in total

First Response

792 ms

Resources Loaded

2.2 sec

Page Rendered

99 ms

kfm.p.lodz.pl screenshot

About Website

Visit kfm.p.lodz.pl now to see the best up-to-date Kfm P Lodz content for Poland and also check out these interesting facts you probably never knew about kfm.p.lodz.pl

Poznaj Katedrę Fizyki Molekularnej PŁ i badania jakie prowadzimy.

Visit kfm.p.lodz.pl

Key Findings

We analyzed Kfm.p.lodz.pl page load time and found that the first response time was 792 ms and then it took 2.3 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

kfm.p.lodz.pl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

kfm.p.lodz.pl

792 ms

stylesheet.css

114 ms

jquery-1.9.1.js

844 ms

s.js

242 ms

s4u.gif

159 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 33% of them (3 requests) were addressed to the original Kfm.p.lodz.pl, 33% (3 requests) were made to Rek3u.pl and 22% (2 requests) were made to Adstat.4u.pl. The less responsive or slowest element that took the longest time to load (844 ms) belongs to the original domain Kfm.p.lodz.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.5 kB (85%)

Content Size

299.8 kB

After Optimization

46.2 kB

In fact, the total size of Kfm.p.lodz.pl main page is 299.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 293.8 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 2.5 kB

  • Original 4.4 kB
  • After minification 4.3 kB
  • After compression 1.9 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 2.5 kB or 57% of the original size.

JavaScript Optimization

-85%

Potential reduce by 249.9 kB

  • Original 293.8 kB
  • After minification 150.9 kB
  • After compression 43.9 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 249.9 kB or 85% of the original size.

CSS Optimization

-74%

Potential reduce by 1.1 kB

  • Original 1.5 kB
  • After minification 1.1 kB
  • After compression 400 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. Kfm.p.lodz.pl needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kfm P Lodz. 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

kfm.p.lodz.pl accessibility score

89

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.

Best Practices

kfm.p.lodz.pl best practices score

75

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

Page has valid source maps

SEO Factors

kfm.p.lodz.pl SEO score

83

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

    EN

  • 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 Kfm.p.lodz.pl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Kfm.p.lodz.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 Kfm P Lodz. 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: