Tools & Wizards About Us
libristo.pl screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

libristo.pl

Libristo.pl

Page Load Speed

4.7 sec in total

First Response

442 ms

Resources Loaded

3.7 sec

Page Rendered

589 ms

libristo.pl screenshot

About Website

Visit libristo.pl now to see the best up-to-date Libristo content for Poland and also check out these interesting facts you probably never knew about libristo.pl

Visit libristo.pl

Key Findings

We analyzed Libristo.pl page load time and found that the first response time was 442 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

libristo.pl performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

libristo.pl

442 ms

www.libristo.pl

679 ms

Iay.css

312 ms

jquery.min.js

7 ms

jquery.scrollTo-min.js

208 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 94% of them (102 requests) were addressed to the original Libristo.pl, 3% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Libristo.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.4 kB (16%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Libristo.pl main page is 1.4 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.6 kB

  • Original 47.7 kB
  • After minification 40.5 kB
  • After compression 9.1 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 7.1 kB, which is 15% 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 38.6 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 130.6 kB

  • Original 1.3 MB
  • After minification 1.1 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. Libristo images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 48.2 kB

  • Original 73.8 kB
  • After minification 64.0 kB
  • After compression 25.7 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 48.2 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (26%)

Requests Now

105

After Optimization

78

  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libristo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

libristo.pl

libristo.pl

442 ms

www.libristo.pl

www.libristo.pl

679 ms

Iay.css

Iay.css

312 ms

jquery.min.js

jquery.min.js

7 ms

jquery.scrollTo-min.js

jquery.scrollTo-min.js

208 ms

jquery.serialScroll-min.js

jquery.serialScroll-min.js

212 ms

init.js

init.js

389 ms

jquery.rating.js

jquery.rating.js

686 ms

bg.png

bg.png

123 ms

indexP.jpg

indexP.jpg

417 ms

I_why-li1.png

I_why-li1.png

123 ms

I_why-li2.png

I_why-li2.png

126 ms

I_why-li3.png

I_why-li3.png

128 ms

I_why-li4.png

I_why-li4.png

127 ms

I_why-li7.png

I_why-li7.png

208 ms

I_why-li6.png

I_why-li6.png

207 ms

1997510.jpg

1997510.jpg

314 ms

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315 ms

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9365047.jpg

213 ms

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307 ms

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411 ms

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418 ms

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4000668.jpg

507 ms

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520 ms

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521 ms

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511 ms

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9195012.jpg

613 ms

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622 ms

2692841.jpg

2692841.jpg

608 ms

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616 ms

2540621.jpg

2540621.jpg

726 ms

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625 ms

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4307898.jpg

709 ms

1186440.jpg

1186440.jpg

717 ms

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9123196.jpg

720 ms

9277711.jpg

9277711.jpg

726 ms

2869775.jpg

2869775.jpg

728 ms

2880706.jpg

2880706.jpg

908 ms

2880707.jpg

2880707.jpg

920 ms

2876019.jpg

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823 ms

2880708.jpg

2880708.jpg

931 ms

2880705.jpg

2880705.jpg

830 ms

2888886.jpg

2888886.jpg

833 ms

gtm.js

gtm.js

99 ms

2890247.jpg

2890247.jpg

905 ms

2880826.jpg

2880826.jpg

830 ms

2929010.jpg

2929010.jpg

826 ms

2876024.jpg

2876024.jpg

893 ms

2910877.jpg

2910877.jpg

905 ms

analytics.js

analytics.js

8 ms

2869797.jpg

2869797.jpg

901 ms

linkid.js

linkid.js

9 ms

collect

collect

4 ms

collect

collect

64 ms

2871145.jpg

2871145.jpg

843 ms

2890484.jpg

2890484.jpg

858 ms

2880709.jpg

2880709.jpg

845 ms

ga-audiences

ga-audiences

463 ms

2917322.jpg

2917322.jpg

814 ms

2895471.jpg

2895471.jpg

824 ms

okladkaTH.png

okladkaTH.png

836 ms

2895805.jpg

2895805.jpg

746 ms

i_sle.png

i_sle.png

753 ms

rgh-bl.gif

rgh-bl.gif

752 ms

rgh-br.gif

rgh-br.gif

716 ms

7017891.jpg

7017891.jpg

962 ms

ix_lit.jpg

ix_lit.jpg

734 ms

8736837.jpg

8736837.jpg

736 ms

2516654.jpg

2516654.jpg

657 ms

2097177.jpg

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659 ms

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706 ms

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9478190.jpg

735 ms

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736 ms

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663 ms

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660 ms

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9336078.jpg

703 ms

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4255315.jpg

735 ms

4027359.jpg

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738 ms

4066435.jpg

4066435.jpg

748 ms

4158116.jpg

4158116.jpg

659 ms

T_mai-log.png

T_mai-log.png

692 ms

T-sor.png

T-sor.png

732 ms

T-del.png

T-del.png

659 ms

T-zak.png

T-zak.png

660 ms

T_men-hom.png

T_men-hom.png

655 ms

I_sea-bg.png

I_sea-bg.png

693 ms

I_seaP-in.png

I_seaP-in.png

736 ms

_blank.png

_blank.png

730 ms

que.png

que.png

672 ms

I_why-bg.png

I_why-bg.png

660 ms

h4-link.png

h4-link.png

653 ms

I_why-li.png

I_why-li.png

685 ms

h4-bg.png

h4-bg.png

726 ms

SLA_pre.png

SLA_pre.png

720 ms

SLA_nex.png

SLA_nex.png

678 ms

rgh-bg.png

rgh-bg.png

660 ms

rgh-top.png

rgh-top.png

654 ms

rgh-bot.png

rgh-bot.png

682 ms

giftli-bg.png

giftli-bg.png

725 ms

giftliB-bg.png

giftliB-bg.png

720 ms

i_hea.png

i_hea.png

678 ms

i_gftbg.png

i_gftbg.png

652 ms

in_bot3.jpg

in_bot3.jpg

649 ms

F-3bg.png

F-3bg.png

668 ms

bas_bg.png

bas_bg.png

720 ms

T_men-bg.png

T_men-bg.png

669 ms

T_seaP-bg.png

T_seaP-bg.png

645 ms

tpick.png

tpick.png

653 ms

B_bre-li.png

B_bre-li.png

640 ms

Accessibility Review

libristo.pl accessibility score

71

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 IDs are not unique

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

Best Practices

libristo.pl best practices score

67

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

SEO Factors

libristo.pl SEO score

64

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 Libristo.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 Libristo.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

libristo.pl

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