Tools & Wizards About Us
litres.pl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

litres.pl

Litres - serwis e-booków i audiobooków, pobierz w formacie fb2 i mp3, czytaj i słuchaj online na Litres

Page Load Speed

9.5 sec in total

First Response

593 ms

Resources Loaded

6.8 sec

Page Rendered

2.1 sec

litres.pl screenshot

About Website

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

Litres to cyfrowy serwis e-booków i audiobooków, a także innych treści: podcasty, spektakle, wywiady - pobieraj, czytaj i słuchaj na dowolnych urządzeniach. Na Litres znajdziesz rankingi najlepszych k...

Visit litres.pl

Key Findings

We analyzed Litres.pl page load time and found that the first response time was 593 ms and then it took 8.9 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

litres.pl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value4,980 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

litres.pl

593 ms

litres.pl

1468 ms

polyfill.min.js

883 ms

726580a93af3dd26.css

986 ms

cc3a5c3fca59406f.css

351 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 27% of them (29 requests) were addressed to the original Litres.pl, 72% (77 requests) were made to Cdn.litres.ru and 1% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cdn.litres.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (53%)

Content Size

3.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Litres.pl main page is 3.2 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. 50% of websites need less resources to load. HTML takes 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 1.7 MB

  • Original 2.0 MB
  • After minification 2.0 MB
  • After compression 347.1 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. 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 1.7 MB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 350.2 kB
  • After minification 350.2 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. Litres images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.7 kB

  • Original 774.2 kB
  • After minification 774.2 kB
  • After compression 768.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 886 B

  • Original 40.0 kB
  • After minification 40.0 kB
  • After compression 39.1 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. Litres.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (21%)

Requests Now

100

After Optimization

79

  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Litres. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

litres.pl

litres.pl

593 ms

litres.pl

litres.pl

1468 ms

polyfill.min.js

polyfill.min.js

883 ms

726580a93af3dd26.css

726580a93af3dd26.css

986 ms

cc3a5c3fca59406f.css

cc3a5c3fca59406f.css

351 ms

281e42ef977320bc.css

281e42ef977320bc.css

352 ms

23c81d9b34ad3ad9.css

23c81d9b34ad3ad9.css

795 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

1017 ms

webpack-4fc19ec90ca7f545.js

webpack-4fc19ec90ca7f545.js

521 ms

framework-ec1c81474308c4d5.js

framework-ec1c81474308c4d5.js

679 ms

main-39dec9c2c03e97ee.js

main-39dec9c2c03e97ee.js

608 ms

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1269 ms

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776 ms

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857 ms

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982 ms

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1087 ms

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1088 ms

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1155 ms

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1173 ms

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1162 ms

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6201-f767690062d21636.js

1192 ms

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1202 ms

index-049f098868c8c881.js

index-049f098868c8c881.js

1321 ms

_buildManifest.js

_buildManifest.js

1332 ms

_ssgManifest.js

_ssgManifest.js

1340 ms

logo_int.svg

logo_int.svg

1061 ms

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400 ms

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516 ms

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1756 ms

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382 ms

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393 ms

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456 ms

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label-audio-text-sync-off.1d2ded94.svg

512 ms

label-audio.5e7fddf8.svg

label-audio.5e7fddf8.svg

521 ms

ALSSirius-Regular.woff

ALSSirius-Regular.woff

1304 ms

ALSSirius-Medium.woff

ALSSirius-Medium.woff

1550 ms

ALSSirius-Light.woff

ALSSirius-Light.woff

1431 ms

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1372 ms

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1424 ms

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1548 ms

Accessibility Review

litres.pl accessibility score

78

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

[role] values are not valid

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

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

litres.pl best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

litres.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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Litres.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 Litres.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

litres.pl

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