Tools & Wizards About Us
ebookoteka.pl screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ebookoteka.pl

Darmowe ebooki - Pobierz za darmo pdf z wybraną książką

Page Load Speed

2.1 sec in total

First Response

287 ms

Resources Loaded

1.7 sec

Page Rendered

153 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 287 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ebookoteka.pl performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value630 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.112

86/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

ebookoteka.pl

287 ms

www.ebookoteka.pl

374 ms

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

244 ms

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

253 ms

adsbygoogle.js

52 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 63% of them (15 requests) were addressed to the original Ebookoteka.pl, 17% (4 requests) were made to Fonts.gstatic.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (668 ms) belongs to the original domain Ebookoteka.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.5 kB (7%)

Content Size

660.4 kB

After Optimization

614.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ebookoteka.pl main page is 660.4 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. 35% 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 18.9 kB

  • Original 24.6 kB
  • After minification 19.5 kB
  • After compression 5.7 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 21% 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 18.9 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 74 B

  • Original 123.6 kB
  • After minification 123.6 kB
  • After compression 123.5 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

-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 3 (17%)

Requests Now

18

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ebookoteka.pl

ebookoteka.pl

287 ms

www.ebookoteka.pl

www.ebookoteka.pl

374 ms

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

application-e99c45c258dcb8325cdc9ea0e0dd42a3d53a111fd0dd7f0e2ffb5264e4095f98.css

244 ms

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

application-251d08f79341be3b3a5e406af34781f6bc8c34fabfec7f84db0c0b6eb2621293.js

253 ms

adsbygoogle.js

adsbygoogle.js

52 ms

css

css

30 ms

analytics.js

analytics.js

53 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

275 ms

okladka-ksiazki-ameryka-na-rozdrozu.jpg

okladka-ksiazki-ameryka-na-rozdrozu.jpg

360 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

350 ms

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

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

361 ms

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

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

515 ms

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

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

446 ms

okladka-ksiazki-zarzadzanie-technologiami.jpg

okladka-ksiazki-zarzadzanie-technologiami.jpg

592 ms

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

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

668 ms

okladka-ksiazki-doskonaly-biznesplan.jpg

okladka-ksiazki-doskonaly-biznesplan.jpg

603 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

53 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

77 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

83 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

83 ms

collect

collect

40 ms

js

js

63 ms

Accessibility Review

ebookoteka.pl accessibility score

79

Accessibility Issues

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

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

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: