Tools & Wizards About Us
sensus.pl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sensus.pl

Księgarnia psychologiczna i wydawnictwo Sensus. Sklep online z książkami

Page Load Speed

10.1 sec in total

First Response

361 ms

Resources Loaded

6.2 sec

Page Rendered

3.5 sec

sensus.pl screenshot

About Website

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

Księgarnia internetowa Sensus oferuje ebooki, audiobooki i książki psychologiczne wydane nakładem znanych polskich wydawnictw. Sprawdź ofertę!

Visit sensus.pl

Key Findings

We analyzed Sensus.pl page load time and found that the first response time was 361 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sensus.pl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value5,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

sensus.pl

361 ms

sensus.pl

920 ms

uc.js

50 ms

build.css

903 ms

build.js

1050 ms

Our browser made a total of 198 requests to load all elements on the main page. We found that 5% of them (10 requests) were addressed to the original Sensus.pl, 90% (178 requests) were made to Static01.helion.com.pl and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Static01.helion.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 886.1 kB (19%)

Content Size

4.7 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sensus.pl main page is 4.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 862.2 kB

  • Original 981.2 kB
  • After minification 748.5 kB
  • After compression 119.0 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 232.7 kB, which is 24% 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 862.2 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 3.2 kB

  • Original 3.3 MB
  • After minification 3.3 MB

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. Sensus images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 17.6 kB

  • Original 326.4 kB
  • After minification 323.9 kB
  • After compression 308.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 3.2 kB

  • Original 75.9 kB
  • After minification 75.9 kB
  • After compression 72.8 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. Sensus.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (15%)

Requests Now

188

After Optimization

160

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sensus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sensus.pl

sensus.pl

361 ms

sensus.pl

sensus.pl

920 ms

uc.js

uc.js

50 ms

build.css

build.css

903 ms

build.js

build.js

1050 ms

swiper-bundle.min.css

swiper-bundle.min.css

656 ms

time.js

time.js

382 ms

optimize.js

optimize.js

67 ms

js

js

62 ms

js

js

110 ms

jquery.jplayer.min.js

jquery.jplayer.min.js

785 ms

player.js

player.js

379 ms

player.css

player.css

378 ms

header.css

header.css

379 ms

axios.min.js

axios.min.js

45 ms

swiper-bundle.min.js

swiper-bundle.min.js

586 ms

jquery-ui.min.js

jquery-ui.min.js

788 ms

jquery-ui.min.css

jquery-ui.min.css

555 ms

conversion.js

conversion.js

95 ms

suggester.js

suggester.js

127 ms

change_format.js

change_format.js

129 ms

user_info.js

user_info.js

128 ms

bb-shop.min.js

bb-shop.min.js

975 ms

ok.svg

ok.svg

239 ms

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241 ms

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513 ms

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595 ms

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595 ms

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380 ms

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512 ms

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378 ms

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512 ms

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661 ms

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954 ms

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639 ms

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640 ms

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952 ms

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952 ms

porrod.jpg

porrod.jpg

953 ms

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954 ms

metody.jpg

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955 ms

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958 ms

litzlo.jpg

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959 ms

punkon.jpg

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959 ms

pokrmy.jpg

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960 ms

szkmil.jpg

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960 ms

czadzi.jpg

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961 ms

pelzaa.jpg

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991 ms

odpops.jpg

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1003 ms

owolno.jpg

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1011 ms

storyt.jpg

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1012 ms

pewsnh.jpg

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1022 ms

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1034 ms

zbywie.jpg

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1108 ms

midotr.jpg

midotr.jpg

1131 ms

tresup.jpg

tresup.jpg

1142 ms

endome.jpg

endome.jpg

1141 ms

ksirel.jpg

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1146 ms

joey.otf

joey.otf

1109 ms

joey-medium.otf

joey-medium.otf

1005 ms

joey-bold.otf

joey-bold.otf

1030 ms

nawapr.jpg

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1028 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

5 ms

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1098 ms

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970 ms

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967 ms

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969 ms

art3m2.jpg

art3m2.jpg

883 ms

art3t2.jpg

art3t2.jpg

883 ms

check

check

353 ms

awansi.jpg

awansi.jpg

899 ms

criron.jpg

criron.jpg

880 ms

dopdet.jpg

dopdet.jpg

874 ms

leomes.jpg

leomes.jpg

593 ms

pordda.jpg

pordda.jpg

596 ms

roblew.jpg

roblew.jpg

632 ms

e_3x8v.jpg

e_3x8v.jpg

715 ms

e_3xa6.jpg

e_3xa6.jpg

715 ms

e_3xd1.jpg

e_3xd1.jpg

712 ms

odrodz.jpg

odrodz.jpg

716 ms

meefna.jpg

meefna.jpg

719 ms

daszra.jpg

daszra.jpg

755 ms

odnomo.jpg

odnomo.jpg

837 ms

wposzs.jpg

wposzs.jpg

838 ms

bb4shop.js

bb4shop.js

545 ms

jakodn.jpg

jakodn.jpg

810 ms

prszni.jpg

prszni.jpg

813 ms

ekopsy.jpg

ekopsy.jpg

805 ms

tojete.jpg

tojete.jpg

833 ms

slozak_3.jpg

slozak_3.jpg

916 ms

psypiv_3.jpg

psypiv_3.jpg

907 ms

psypra_3.jpg

psypra_3.jpg

895 ms

konumy_3.jpg

konumy_3.jpg

826 ms

motzad_3.jpg

motzad_3.jpg

805 ms

stoicv_3.jpg

stoicv_3.jpg

832 ms

overth_3.jpg

overth_3.jpg

920 ms

silemo_3.jpg

silemo_3.jpg

910 ms

zbywie_3.jpg

zbywie_3.jpg

822 ms

silsam_3.jpg

silsam_3.jpg

660 ms

angivv_3.jpg

angivv_3.jpg

662 ms

metody_3.jpg

metody_3.jpg

631 ms

elanaw_3.jpg

elanaw_3.jpg

718 ms

odppsy_3.jpg

odppsy_3.jpg

718 ms

art2vv_3.jpg

art2vv_3.jpg

718 ms

praluv_3.jpg

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717 ms

filkvv_3.jpg

filkvv_3.jpg

718 ms

ksinar_3.jpg

ksinar_3.jpg

702 ms

analytics.js

analytics.js

86 ms

pokrmy_3.jpg

pokrmy_3.jpg

784 ms

samdvv_3.jpg

samdvv_3.jpg

785 ms

psypra.jpg

psypra.jpg

787 ms

konumy.jpg

konumy.jpg

781 ms

odppsy.jpg

odppsy.jpg

780 ms

monadv.jpg

monadv.jpg

782 ms

ideaty.jpg

ideaty.jpg

784 ms

ginebo.jpg

ginebo.jpg

785 ms

wpozas.jpg

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785 ms

sipowp.jpg

sipowp.jpg

782 ms

popoke.jpg

popoke.jpg

780 ms

pomied.jpg

pomied.jpg

782 ms

radnie.jpg

radnie.jpg

784 ms

autote.jpg

autote.jpg

785 ms

metam2.jpg

metam2.jpg

787 ms

autohi.jpg

autohi.jpg

782 ms

odksie.jpg

odksie.jpg

781 ms

japos2.jpg

japos2.jpg

781 ms

oswaop.jpg

oswaop.jpg

783 ms

obuwso.jpg

obuwso.jpg

784 ms

pink3v.jpg

pink3v.jpg

786 ms

basopi.jpg

basopi.jpg

781 ms

ksidvv.jpg

ksidvv.jpg

781 ms

ktonar.jpg

ktonar.jpg

782 ms

trsudv.jpg

trsudv.jpg

780 ms

pinmav.jpg

pinmav.jpg

781 ms

treid2.jpg

treid2.jpg

782 ms

messil.jpg

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782 ms

minddv.jpg

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781 ms

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782 ms

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781 ms

treinn.jpg

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781 ms

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782 ms

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781 ms

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781 ms

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782 ms

dzidzi.jpg

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781 ms

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781 ms

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782 ms

rodzic.jpg

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782 ms

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781 ms

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782 ms

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781 ms

matran.jpg

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781 ms

lekmil.jpg

lekmil.jpg

782 ms

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781 ms

rowame.jpg

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780 ms

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781 ms

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781 ms

praodv.jpg

praodv.jpg

779 ms

depreo.jpg

depreo.jpg

781 ms

pewnsv.jpg

pewnsv.jpg

781 ms

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miejww.jpg

781 ms

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poluem.jpg

783 ms

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782 ms

otymco.jpg

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780 ms

madja2.jpg

madja2.jpg

782 ms

warsam.jpg

warsam.jpg

782 ms

toklud.jpg

toklud.jpg

780 ms

minzwi.jpg

minzwi.jpg

781 ms

uwopsv.jpg

uwopsv.jpg

781 ms

posouc.jpg

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780 ms

kosima.jpg

kosima.jpg

781 ms

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781 ms

relbom.jpg

relbom.jpg

781 ms

pramil.jpg

pramil.jpg

782 ms

bony_podarunkowe_img.png

bony_podarunkowe_img.png

782 ms

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mini-KK_KM_1200x800_blog_targi_PKiN.jpg

794 ms

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799 ms

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mini-sk4.png

807 ms

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812 ms

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mini-Karok_1200x800.png

794 ms

mini-Sensuskonkurs.png

mini-Sensuskonkurs.png

797 ms

mini-kk_1200x800.jpg

mini-kk_1200x800.jpg

809 ms

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mini-sensus_1200x800.jpg

816 ms

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mini-blogsensus.png

826 ms

darmowa_dostawa_600.png

darmowa_dostawa_600.png

812 ms

platnosci.png

platnosci.png

794 ms

social_icon_facebook.svg

social_icon_facebook.svg

796 ms

social_icon_instagram.svg

social_icon_instagram.svg

809 ms

social_icon_youtube.svg

social_icon_youtube.svg

813 ms

social_icon_twitter.svg

social_icon_twitter.svg

815 ms

social_icon_linkedin.svg

social_icon_linkedin.svg

825 ms

social_icon_pinterest.svg

social_icon_pinterest.svg

794 ms

social.png

social.png

796 ms

sensus.svg

sensus.svg

816 ms

sensus-brak.png

sensus-brak.png

841 ms

arrow-slider.svg

arrow-slider.svg

842 ms

partners_helion_group.png

partners_helion_group.png

843 ms

ico_czytalisek.png

ico_czytalisek.png

804 ms

Accessibility Review

sensus.pl accessibility score

82

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-hidden="true"] elements contain focusable descendents

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

sensus.pl best practices score

58

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

Displays images with incorrect aspect ratio

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

sensus.pl SEO score

92

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

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 Sensus.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 Sensus.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

sensus.pl

Open Graph data is detected on the main page of Sensus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: