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intellibook.de screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

intellibook.de

entwickler.de - Unbegrenzt. Wegweisend. Kompakt.

Page Load Speed

14.2 sec in total

First Response

337 ms

Resources Loaded

12.8 sec

Page Rendered

1.1 sec

intellibook.de screenshot

About Website

Click here to check amazing Intellibook content. Otherwise, check out these important facts you probably never knew about intellibook.de

Software Know-How mit der Fullstack-Experience. Alles für Software-Professionals. Artikel, Live Events, Tutorials und Konferenzen.

Visit intellibook.de

Key Findings

We analyzed Intellibook.de page load time and found that the first response time was 337 ms and then it took 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

intellibook.de performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value22.3 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

intellibook.de

337 ms

entwickler.de

739 ms

d408d4552367319aae60d20aeb8b5212.js

556 ms

e70d42e2cbd30f038c288fa46f98ceed.js

566 ms

animate.min.css

458 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Intellibook.de, 83% (120 requests) were made to Entwickler.de and 4% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Entwickler.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (12%)

Content Size

8.7 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Intellibook.de main page is 8.7 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. 70% of websites need less resources to load. Images take 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 578.4 kB

  • Original 674.5 kB
  • After minification 651.6 kB
  • After compression 96.1 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 578.4 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 432.6 kB

  • Original 6.8 MB
  • After minification 6.4 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. Intellibook images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.1 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 1.0 MB

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

-15%

Potential reduce by 34.2 kB

  • Original 226.2 kB
  • After minification 219.2 kB
  • After compression 192.0 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. Intellibook.de needs all CSS files to be minified and compressed as it can save up to 34.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (54%)

Requests Now

129

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Intellibook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

intellibook.de

intellibook.de

337 ms

entwickler.de

entwickler.de

739 ms

d408d4552367319aae60d20aeb8b5212.js

d408d4552367319aae60d20aeb8b5212.js

556 ms

e70d42e2cbd30f038c288fa46f98ceed.js

e70d42e2cbd30f038c288fa46f98ceed.js

566 ms

animate.min.css

animate.min.css

458 ms

subscription-status.css

subscription-status.css

474 ms

style.min.css

style.min.css

452 ms

woocommerce-layout.css

woocommerce-layout.css

549 ms

woocommerce.css

woocommerce.css

893 ms

wt-import-export-for-woo-public.css

wt-import-export-for-woo-public.css

887 ms

form-themes.css

form-themes.css

907 ms

bundle.css

bundle.css

992 ms

main.css

main.css

303 ms

child-theme.min.css

child-theme.min.css

1194 ms

cookieconsent.min.css

cookieconsent.min.css

31 ms

app.css

app.css

998 ms

elementor-icons.min.css

elementor-icons.min.css

1324 ms

frontend.min.css

frontend.min.css

1462 ms

swiper.min.css

swiper.min.css

1247 ms

frontend.min.css

frontend.min.css

1480 ms

all.min.css

all.min.css

1341 ms

v4-shims.min.css

v4-shims.min.css

1532 ms

css

css

35 ms

jquery.min.js

jquery.min.js

1769 ms

jquery-migrate.min.js

jquery-migrate.min.js

1681 ms

sands_ud.js

sands_ud.js

1780 ms

popper.min.js

popper.min.js

1821 ms

jquery.cycle2.js

jquery.cycle2.js

1914 ms

jquery.cycle2.carousel.js

jquery.cycle2.carousel.js

1958 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

2113 ms

chunk-vendors.js

chunk-vendors.js

2607 ms

app.js

app.js

2317 ms

v4-shims.min.js

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2249 ms

zxcvbn-async.min.js

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2374 ms

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21 ms

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26 ms

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17 ms

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30 ms

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2599 ms

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2228 ms

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2659 ms

vue@2

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30 ms

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2682 ms

animations.min.css

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2844 ms

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2913 ms

OneSignalSDK.js

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39 ms

jquery.blockUI.min.js

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3079 ms

add-to-cart.min.js

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2739 ms

reset.css

reset.css

83 ms

layout.css

layout.css

232 ms

js.cookie.min.js

js.cookie.min.js

2485 ms

woocommerce.min.js

woocommerce.min.js

2755 ms

cart-fragments.min.js

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2473 ms

child-theme.min.js

child-theme.min.js

2937 ms

wp-polyfill-inert.min.js

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2871 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

2563 ms

wp-polyfill.min.js

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2674 ms

hooks.min.js

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2671 ms

i18n.min.js

i18n.min.js

2670 ms

password-strength-meter.min.js

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3294 ms

password-strength-meter.min.js

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3082 ms

imagesloaded.min.js

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2281 ms

forms.js

forms.js

2347 ms

ajax-forms.js

ajax-forms.js

2156 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

2940 ms

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2827 ms

frontend-modules.min.js

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2944 ms

frontend.min.js

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2710 ms

waypoints.min.js

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2931 ms

core.min.js

core.min.js

2968 ms

frontend.min.js

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3038 ms

elements-handlers.min.js

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2948 ms

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672 ms

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676 ms

EKiosk_21_Teamlizenz_Header_v1_mobile.svg

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681 ms

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685 ms

EntwicklerDE_Logo_Neu.svg

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2286 ms

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2437 ms

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2523 ms

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2572 ms

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3084 ms

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2975 ms

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2438 ms

eDe23_Website_Redesign_Animation_AskFrank_470x275_GT-73_v1.gif

eDe23_Website_Redesign_Animation_AskFrank_470x275_GT-73_v1.gif

2768 ms

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2893 ms

eDe23_Website_Redesign_Animation_Themen_1120x180_GT-73_v1.gif

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2961 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

44 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

45 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

296 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

152 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

153 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

217 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

218 ms

eicons.woff

eicons.woff

3075 ms

eDe23_Website_Redesign_Themen_304x180_GT-73_v1.jpg

eDe23_Website_Redesign_Themen_304x180_GT-73_v1.jpg

3181 ms

EntwicklerDE_Home_Teams_img-1.svg

EntwicklerDE_Home_Teams_img-1.svg

435 ms

EntwicklerDE_Highlights_headline-1.png

EntwicklerDE_Highlights_headline-1.png

3070 ms

Ede_Akademie_logo.png

Ede_Akademie_logo.png

3040 ms

EKON27_23_Banner_Tickets_1110x339_GT-1925_v1-1.jpg

EKON27_23_Banner_Tickets_1110x339_GT-1925_v1-1.jpg

3021 ms

EntwicklerDE_21_placeholder_HIGHLIGHTS_desktop.svg

EntwicklerDE_21_placeholder_HIGHLIGHTS_desktop.svg

3040 ms

EntwicklerDE_21_placeholder_HIGHLIGHTS_mobile.svg

EntwicklerDE_21_placeholder_HIGHLIGHTS_mobile.svg

3259 ms

Download_on_the_App_Store_Badge_US-UK_RGB_blk_092917.svg

Download_on_the_App_Store_Badge_US-UK_RGB_blk_092917.svg

3134 ms

google-play-badge.png

google-play-badge.png

3183 ms

EKiosk_21_Teamlizenz_Header_v1_mobile.svg

EKiosk_21_Teamlizenz_Header_v1_mobile.svg

3279 ms

EntwicklerDE_Home_Teams_disturber.png

EntwicklerDE_Home_Teams_disturber.png

3248 ms

EntwicklerDE_Home_Teams_img-1.svg

EntwicklerDE_Home_Teams_img-1.svg

3351 ms

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EntwicklerDE_Home_Marketing2-600x485-1.png

3345 ms

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Devices.png

3360 ms

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EntwicklerDE_Home_Marketing3-1.png

3354 ms

EKiosk_21_Teamlizenz_Homepage_Section-1-1.svg

EKiosk_21_Teamlizenz_Homepage_Section-1-1.svg

3512 ms

linkedin-logo-icon-In-White-46.png

linkedin-logo-icon-In-White-46.png

2513 ms

Instagram_Glyph_White-icon-transparent-logo-46pixel.png

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2913 ms

facebook-icon.png

facebook-icon.png

2838 ms

logo-white-Benutzerdefiniert.png

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2957 ms

EKiosk_Website_Store_Badge_AppStore.svg

EKiosk_Website_Store_Badge_AppStore.svg

2919 ms

EKiosk_Website_Store_Badge_GooglePlay.svg

EKiosk_Website_Store_Badge_GooglePlay.svg

2875 ms

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2824 ms

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3216 ms

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2734 ms

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3144 ms

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2981 ms

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3185 ms

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3916 ms

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admin-ajax.php

3831 ms

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3614 ms

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3266 ms

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3315 ms

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3416 ms

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3827 ms

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3740 ms

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3685 ms

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3709 ms

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3635 ms

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3712 ms

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3797 ms

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436 ms

zxcvbn.min.js

zxcvbn.min.js

847 ms

Accessibility Review

intellibook.de accessibility score

74

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

intellibook.de best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

intellibook.de SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Intellibook.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Intellibook.de 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

intellibook.de

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