Tools & Wizards About Us
ebookoteka.pl screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ebookoteka.pl

Darmowe ebooki - Pobierz za darmo pdf z wybraną książką

Page Load Speed

2.5 sec in total

First Response

399 ms

Resources Loaded

2 sec

Page Rendered

162 ms

ebookoteka.pl screenshot

About Website

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

Pobierz darmowe ebooki. E-książki dostępne w formatach MOBI, EPUB i PDF. Sprawdź, wybierz i ściągnij ciekawe e-booki za darmo.

Visit ebookoteka.pl

Key Findings

We analyzed Ebookoteka.pl page load time and found that the first response time was 399 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ebookoteka.pl performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value5.6 s

54/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

ebookoteka.pl

399 ms

www.ebookoteka.pl

484 ms

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

282 ms

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

289 ms

adsbygoogle.js

51 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 50% of them (15 requests) were addressed to the original Ebookoteka.pl, 17% (5 requests) were made to Googleads.g.doubleclick.net and 13% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (721 ms) belongs to the original domain Ebookoteka.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.5 kB (6%)

Content Size

834.0 kB

After Optimization

782.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ebookoteka.pl main page is 834.0 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. 40% of websites need less resources to load. Images take 490.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 25.0 kB

  • Original 32.4 kB
  • After minification 27.3 kB
  • After compression 7.4 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 5.1 kB, which is 16% 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 25.0 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 26.4 kB

  • Original 490.9 kB
  • After minification 464.5 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. Ebookoteka images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 75 B

  • Original 289.5 kB
  • After minification 289.5 kB
  • After compression 289.4 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

-0%

Potential reduce by 76 B

  • Original 21.3 kB
  • After minification 21.3 kB
  • After compression 21.2 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. Ebookoteka.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

24

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ebookoteka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ebookoteka.pl

ebookoteka.pl

399 ms

www.ebookoteka.pl

www.ebookoteka.pl

484 ms

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

282 ms

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

289 ms

adsbygoogle.js

adsbygoogle.js

51 ms

css

css

28 ms

show_ads_impl.js

show_ads_impl.js

79 ms

zrt_lookup.html

zrt_lookup.html

69 ms

analytics.js

analytics.js

39 ms

logo_green-70e828e17e73ebe2a3247707837c98750e883ec2abb33bc48f6a0d034f63d49b.png

logo_green-70e828e17e73ebe2a3247707837c98750e883ec2abb33bc48f6a0d034f63d49b.png

198 ms

okladka-ksiazki-podstawy-analizy-technicznej.jpg

okladka-ksiazki-podstawy-analizy-technicznej.jpg

199 ms

okladka-ksiazki-key-concepts-in-tourism.jpg

okladka-ksiazki-key-concepts-in-tourism.jpg

287 ms

okladka-ksiazki-ameryka-na-rozdrozu.jpg

okladka-ksiazki-ameryka-na-rozdrozu.jpg

374 ms

okladka-ksiazki-excel-2007-w-firmie-controlling-finanse-i-nie-tylko.jpg

okladka-ksiazki-excel-2007-w-firmie-controlling-finanse-i-nie-tylko.jpg

373 ms

okladka-ksiazki-excel-z-elementami-vba-w-firmie.jpg

okladka-ksiazki-excel-z-elementami-vba-w-firmie.jpg

373 ms

okladka-ksiazki-zarzadzanie-kompetencjami-zawodowymi-a-motywowanie-pracownikow.jpg

okladka-ksiazki-zarzadzanie-kompetencjami-zawodowymi-a-motywowanie-pracownikow.jpg

550 ms

okladka-ksiazki-mysliciele-polityczni-od-sokratesa-do-wspolczesnosci.jpg

okladka-ksiazki-mysliciele-polityczni-od-sokratesa-do-wspolczesnosci.jpg

460 ms

okladka-ksiazki-zarzadzanie-technologiami.jpg

okladka-ksiazki-zarzadzanie-technologiami.jpg

642 ms

okladka-ksiazki-podreczny-kodeks-drogowy-09.jpg

okladka-ksiazki-podreczny-kodeks-drogowy-09.jpg

721 ms

okladka-ksiazki-doskonaly-biznesplan.jpg

okladka-ksiazki-doskonaly-biznesplan.jpg

641 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

89 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

90 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

118 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

120 ms

collect

collect

76 ms

ads

ads

121 ms

js

js

61 ms

ads

ads

161 ms

ads

ads

150 ms

ads

ads

155 ms

Accessibility Review

ebookoteka.pl accessibility score

65

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

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

ebookoteka.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

ebookoteka.pl SEO score

79

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ebookoteka.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Ebookoteka.pl main page’s claimed encoding is iso-8859-1. 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

ebookoteka.pl

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