Tools & Wizards About Us
laboratorium.wiez.pl screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

laboratorium.wiez.pl

Laboratorium - Więź

Page Load Speed

9.3 sec in total

First Response

1.3 sec

Resources Loaded

7.4 sec

Page Rendered

554 ms

laboratorium.wiez.pl screenshot

About Website

Click here to check amazing Laboratorium Wiez content for Poland. Otherwise, check out these important facts you probably never knew about laboratorium.wiez.pl

Projekty

Visit laboratorium.wiez.pl

Key Findings

We analyzed Laboratorium.wiez.pl page load time and found that the first response time was 1.3 sec and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

laboratorium.wiez.pl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

laboratorium.wiez.pl

1280 ms

index.css

835 ms

tree.js

717 ms

jquery-1.3.1.js

942 ms

toggle.js

666 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 65% of them (50 requests) were addressed to the original Laboratorium.wiez.pl, 13% (10 requests) were made to Static.xx.fbcdn.net and 8% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Laboratorium.wiez.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 499.6 kB (62%)

Content Size

804.5 kB

After Optimization

304.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Laboratorium.wiez.pl main page is 804.5 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. 45% of websites need less resources to load. Javascripts take 348.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 20.5 kB

  • Original 29.2 kB
  • After minification 26.0 kB
  • After compression 8.8 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.5 kB or 70% of the original size.

Image Optimization

-13%

Potential reduce by 20.3 kB

  • Original 159.6 kB
  • After minification 139.3 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, Laboratorium Wiez needs image optimization as it can save up to 20.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 236.7 kB

  • Original 348.7 kB
  • After minification 302.4 kB
  • After compression 112.0 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 236.7 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 222.1 kB

  • Original 267.0 kB
  • After minification 263.3 kB
  • After compression 44.9 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. Laboratorium.wiez.pl needs all CSS files to be minified and compressed as it can save up to 222.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (35%)

Requests Now

74

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Laboratorium Wiez. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

laboratorium.wiez.pl

laboratorium.wiez.pl

1280 ms

index.css

index.css

835 ms

tree.js

tree.js

717 ms

jquery-1.3.1.js

jquery-1.3.1.js

942 ms

toggle.js

toggle.js

666 ms

lWCjHStU4K4

lWCjHStU4K4

127 ms

get_flash_player.gif

get_flash_player.gif

49 ms

drewno.jpg

drewno.jpg

685 ms

bgtitle.gif

bgtitle.gif

636 ms

rss.gif

rss.gif

596 ms

zwin.gif

zwin.gif

733 ms

zdjecienr239.jpg

zdjecienr239.jpg

657 ms

wiecej.gif

wiecej.gif

754 ms

wiez120161.jpg

wiez120161.jpg

1393 ms

marzec681.jpg

marzec681.jpg

1421 ms

lepiejkrotkonizwcale.jpg

lepiejkrotkonizwcale.jpg

1375 ms

mojkomentarzdowszystkiego.jpg

mojkomentarzdowszystkiego.jpg

1442 ms

krokmilosierdzia.jpg

krokmilosierdzia.jpg

1420 ms

moimprzekornymzdaniem.jpg

moimprzekornymzdaniem.jpg

1433 ms

linkf.gif

linkf.gif

2152 ms

twitter.gif

twitter.gif

2096 ms

twitt.gif

twitt.gif

2098 ms

rozwin.gif

rozwin.gif

2184 ms

rog.png

rog.png

2233 ms

bg.gif

bg.gif

2182 ms

logo.gif

logo.gif

2709 ms

menu.jpg

menu.jpg

2646 ms

glowna.png

glowna.png

2799 ms

olabo.png

olabo.png

2906 ms

podmenu.jpg

podmenu.jpg

2847 ms

celeizadania.png

celeizadania.png

2868 ms

obszary.png

obszary.png

3247 ms

sklad.png

sklad.png

3427 ms

instytucje.png

instytucje.png

3421 ms

kontakt.png

kontakt.png

3489 ms

raporty.png

raporty.png

3496 ms

analizy.png

analizy.png

3510 ms

komentarze.png

komentarze.png

3866 ms

czytelnia.png

czytelnia.png

4070 ms

autorzy.png

autorzy.png

4071 ms

tematy.png

tematy.png

4158 ms

mysli.png

mysli.png

4168 ms

korepetycje.png

korepetycje.png

4119 ms

ga.js

ga.js

9 ms

__utm.gif

__utm.gif

23 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

24 ms

www-embed-player.js

www-embed-player.js

43 ms

likebox.php

likebox.php

233 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

61 ms

ad_status.js

ad_status.js

59 ms

QHD8zigcbDB8aPfIoaupKOvvDin1pK8aKteLpeZ5c0A.ttf

QHD8zigcbDB8aPfIoaupKOvvDin1pK8aKteLpeZ5c0A.ttf

50 ms

RxZJdnzeo3R5zSexge8UUSZ2oysoEQEeKwjgmXLRnTc.ttf

RxZJdnzeo3R5zSexge8UUSZ2oysoEQEeKwjgmXLRnTc.ttf

51 ms

410ucuAGgaJ.css

410ucuAGgaJ.css

285 ms

tSbl8xBI27R.css

tSbl8xBI27R.css

353 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

490 ms

FJmpeSpHpjS.js

FJmpeSpHpjS.js

620 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

489 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

489 ms

wydarzenia.png

wydarzenia.png

3903 ms

linki.png

linki.png

4086 ms

publikacje.png

publikacje.png

3987 ms

srodmiescie-zmn.jpg

srodmiescie-zmn.jpg

4110 ms

renovabis.gif

renovabis.gif

4069 ms

wiez.gif

wiez.gif

4129 ms

10847955_10152521840123339_143441569349270178_n.jpg

10847955_10152521840123339_143441569349270178_n.jpg

355 ms

12821525_10153449296733339_3847692196566638436_n.png

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407 ms

545139_102300156576127_1211794538_n.jpg

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552 ms

12038353_10207310776225263_6881061738381364599_n.jpg

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642 ms

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756 ms

11917475_874226995997734_2534691146471212154_n.jpg

11917475_874226995997734_2534691146471212154_n.jpg

604 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

69 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

68 ms

prenumerata.gif

prenumerata.gif

3685 ms

puzzle.gif

puzzle.gif

3888 ms

apel-laboratorium.png

apel-laboratorium.png

3869 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

75 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

69 ms

Accessibility Review

laboratorium.wiez.pl accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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>).

Best Practices

laboratorium.wiez.pl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

laboratorium.wiez.pl SEO score

98

Search Engine Optimization Advices

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 Laboratorium.wiez.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 Laboratorium.wiez.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

laboratorium.wiez.pl

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