Tools & Wizards About Us
engbook.pl screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

engbook.pl

engbook.eu - kursy angielskiego, ćwiczenia, gramatyka, słownictwo, matura

Page Load Speed

3.4 sec in total

First Response

263 ms

Resources Loaded

3 sec

Page Rendered

127 ms

engbook.pl screenshot

About Website

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

Engbook to portal umożliwiający naukę języka angielskiego na różnych poziomach. Oferujemy ćwiczenia gramatyczne i leksykalne oraz zbiory ćwiczeń maturalnych.

Visit engbook.pl

Key Findings

We analyzed Engbook.pl page load time and found that the first response time was 263 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

engbook.pl performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

engbook.pl

263 ms

engbook.pl

535 ms

common.css

132 ms

my_words_style.css

274 ms

user_profile_style.css

427 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 46% of them (52 requests) were addressed to the original Engbook.pl, 29% (33 requests) were made to Fonts.bunny.net and 12% (14 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Engbook.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.1 kB (7%)

Content Size

826.2 kB

After Optimization

766.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Engbook.pl main page is 826.2 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. 80% 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 444.5 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 10.3 kB

  • Original 15.3 kB
  • After minification 14.5 kB
  • After compression 5.0 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. 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 10.3 kB or 67% of the original size.

Image Optimization

-6%

Potential reduce by 28.6 kB

  • Original 444.5 kB
  • After minification 415.9 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. Engbook images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 17.5 kB

  • Original 286.0 kB
  • After minification 285.0 kB
  • After compression 268.5 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

-5%

Potential reduce by 3.7 kB

  • Original 80.3 kB
  • After minification 80.3 kB
  • After compression 76.6 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. Engbook.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 52 (80%)

Requests Now

65

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Engbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

engbook.pl

engbook.pl

263 ms

engbook.pl

engbook.pl

535 ms

common.css

common.css

132 ms

my_words_style.css

my_words_style.css

274 ms

user_profile_style.css

user_profile_style.css

427 ms

my_books_style.css

my_books_style.css

425 ms

style.css

style.css

435 ms

icon

icon

53 ms

customer_style.css

customer_style.css

431 ms

tablesorter.css

tablesorter.css

433 ms

jquery.dataTables.css

jquery.dataTables.css

436 ms

whcookies.js

whcookies.js

619 ms

jquery.js

jquery.js

732 ms

jquery-tooltip.js

jquery-tooltip.js

625 ms

jquery-autoGrowInput.js

jquery-autoGrowInput.js

623 ms

jquery-metadata.js

jquery-metadata.js

624 ms

jquery-tablesorter.js

jquery-tablesorter.js

626 ms

jquery-index.js

jquery-index.js

785 ms

jquery-tabs.js

jquery-tabs.js

781 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

904 ms

addCustomSortTypes.js

addCustomSortTypes.js

795 ms

commons.js

commons.js

781 ms

swfobject.js

swfobject.js

935 ms

customer_ajax.js

customer_ajax.js

944 ms

prototype.js

prototype.js

951 ms

scriptaculous.js

scriptaculous.js

943 ms

lightbox.js

lightbox.js

945 ms

lightbox.css

lightbox.css

1032 ms

userExercise.css

userExercise.css

1096 ms

userExercise.js

userExercise.js

1101 ms

cu.css

cu.css

1105 ms

makeTable.js

makeTable.js

1106 ms

my_words.js

my_words.js

1106 ms

css

css

20 ms

open-sans-cyrillic-ext-400-normal.woff

open-sans-cyrillic-ext-400-normal.woff

13 ms

open-sans-vietnamese-400-normal.woff

open-sans-vietnamese-400-normal.woff

15 ms

open-sans-latin-ext-400-normal.woff

open-sans-latin-ext-400-normal.woff

16 ms

open-sans-greek-ext-400-normal.woff

open-sans-greek-ext-400-normal.woff

17 ms

open-sans-cyrillic-400-normal.woff

open-sans-cyrillic-400-normal.woff

23 ms

open-sans-hebrew-400-normal.woff

open-sans-hebrew-400-normal.woff

17 ms

open-sans-latin-400-normal.woff

open-sans-latin-400-normal.woff

21 ms

open-sans-greek-400-normal.woff

open-sans-greek-400-normal.woff

17 ms

open-sans-cyrillic-ext-500-normal.woff

open-sans-cyrillic-ext-500-normal.woff

17 ms

open-sans-vietnamese-500-normal.woff

open-sans-vietnamese-500-normal.woff

22 ms

open-sans-latin-ext-500-normal.woff

open-sans-latin-ext-500-normal.woff

18 ms

open-sans-greek-ext-500-normal.woff

open-sans-greek-ext-500-normal.woff

17 ms

open-sans-cyrillic-500-normal.woff

open-sans-cyrillic-500-normal.woff

18 ms

open-sans-hebrew-500-normal.woff

open-sans-hebrew-500-normal.woff

19 ms

open-sans-latin-500-normal.woff

open-sans-latin-500-normal.woff

20 ms

open-sans-greek-500-normal.woff

open-sans-greek-500-normal.woff

26 ms

open-sans-cyrillic-ext-300-normal.woff

open-sans-cyrillic-ext-300-normal.woff

40 ms

open-sans-vietnamese-300-normal.woff

open-sans-vietnamese-300-normal.woff

41 ms

open-sans-latin-ext-300-normal.woff

open-sans-latin-ext-300-normal.woff

22 ms

open-sans-greek-ext-300-normal.woff

open-sans-greek-ext-300-normal.woff

28 ms

open-sans-cyrillic-300-normal.woff

open-sans-cyrillic-300-normal.woff

22 ms

open-sans-hebrew-300-normal.woff

open-sans-hebrew-300-normal.woff

28 ms

open-sans-latin-300-normal.woff

open-sans-latin-300-normal.woff

24 ms

open-sans-greek-300-normal.woff

open-sans-greek-300-normal.woff

28 ms

open-sans-cyrillic-ext-700-normal.woff

open-sans-cyrillic-ext-700-normal.woff

29 ms

open-sans-vietnamese-700-normal.woff

open-sans-vietnamese-700-normal.woff

32 ms

open-sans-latin-ext-700-normal.woff

open-sans-latin-ext-700-normal.woff

31 ms

open-sans-greek-ext-700-normal.woff

open-sans-greek-ext-700-normal.woff

32 ms

open-sans-cyrillic-700-normal.woff

open-sans-cyrillic-700-normal.woff

32 ms

open-sans-hebrew-700-normal.woff

open-sans-hebrew-700-normal.woff

36 ms

open-sans-latin-700-normal.woff

open-sans-latin-700-normal.woff

35 ms

open-sans-greek-700-normal.woff

open-sans-greek-700-normal.woff

32 ms

effects.js

effects.js

210 ms

analytics.js

analytics.js

61 ms

prI6MugQUKE

prI6MugQUKE

139 ms

img-logo.png

img-logo.png

526 ms

keyboard_arrow_left.svg

keyboard_arrow_left.svg

525 ms

keyboard_arrow_right.svg

keyboard_arrow_right.svg

523 ms

slide-1.png

slide-1.png

862 ms

slide-2.png

slide-2.png

863 ms

slide-3.png

slide-3.png

526 ms

info_outline.svg

info_outline.svg

527 ms

face.svg

face.svg

528 ms

extension.svg

extension.svg

530 ms

video_library.svg

video_library.svg

551 ms

headset.svg

headset.svg

548 ms

local_library.svg

local_library.svg

549 ms

accessibility.svg

accessibility.svg

547 ms

supervisor_account.svg

supervisor_account.svg

729 ms

sync.svg

sync.svg

729 ms

event_available.svg

event_available.svg

727 ms

build.svg

build.svg

728 ms

collect

collect

13 ms

js

js

58 ms

www-player.css

www-player.css

5 ms

www-embed-player.js

www-embed-player.js

27 ms

base.js

base.js

59 ms

ad_status.js

ad_status.js

192 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

134 ms

embed.js

embed.js

53 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

179 ms

KFOmCnqEu92Fr1Mu7GxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu7GxMKTU1Kvnz.woff

296 ms

KFOmCnqEu92Fr1Mu7WxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu7WxMKTU1Kvnz.woff

305 ms

KFOmCnqEu92Fr1Mu4WxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu4WxMKTU1Kvnz.woff

309 ms

KFOmCnqEu92Fr1Mu7mxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu7mxMKTU1Kvnz.woff

309 ms

KFOmCnqEu92Fr1Mu5mxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu5mxMKTU1Kvnz.woff

312 ms

KFOmCnqEu92Fr1Mu72xMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu72xMKTU1Kvnz.woff

311 ms

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

310 ms

KFOlCnqEu92Fr1MmEU9fChc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fChc-AMP6lbBP.woff

315 ms

KFOlCnqEu92Fr1MmEU9fCxc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fCxc-AMP6lbBP.woff

315 ms

KFOlCnqEu92Fr1MmEU9fBxc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fBxc-AMP6lbBP.woff

317 ms

KFOlCnqEu92Fr1MmEU9fCBc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fCBc-AMP6lbBP.woff

316 ms

KFOlCnqEu92Fr1MmEU9fABc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fABc-AMP6lbBP.woff

318 ms

KFOlCnqEu92Fr1MmEU9fCRc-AMP6lbBP.woff

KFOlCnqEu92Fr1MmEU9fCRc-AMP6lbBP.woff

318 ms

id

id

156 ms

Create

Create

144 ms

GenerateIT

GenerateIT

39 ms

loading.gif

loading.gif

141 ms

closelabel.gif

closelabel.gif

137 ms

Accessibility Review

engbook.pl accessibility score

83

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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

engbook.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

engbook.pl SEO score

73

Search Engine Optimization Advices

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 Engbook.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 Engbook.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

engbook.pl

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