Tools & Wizards About Us
manzschulbuch.at screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

manzschulbuch.at

Hölzel Verlag - Lernservices für Schule & Berufsbildung

Page Load Speed

6.6 sec in total

First Response

388 ms

Resources Loaded

5 sec

Page Rendered

1.2 sec

manzschulbuch.at screenshot

About Website

Visit manzschulbuch.at now to see the best up-to-date Manzschulbuch content for Austria and also check out these interesting facts you probably never knew about manzschulbuch.at

Moderne Schulbücher & Lernmedien, digitales Lehrerzimmer, Online MEHR!-Kurse, Hölzel Journal Bildungsmagazin mit Unterrichtsmaterial für Schulen.

Visit manzschulbuch.at

Key Findings

We analyzed Manzschulbuch.at page load time and found that the first response time was 388 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

manzschulbuch.at performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.3 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value4,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

manzschulbuch.at

388 ms

hoelzel.at

2580 ms

jquery-ui.css

162 ms

animate.min.css

151 ms

all.css

282 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Manzschulbuch.at, 80% (56 requests) were made to Hoelzel.at and 6% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Hoelzel.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (50%)

Content Size

2.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Manzschulbuch.at main page is 2.7 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. 60% of websites need less resources to load. HTML takes 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 200.3 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 1.3 MB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 879.6 kB
  • After minification 879.6 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. Manzschulbuch images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 36.9 kB

  • Original 317.9 kB
  • After minification 317.9 kB
  • After compression 281.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 36.9 kB or 12% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 16.8 kB
  • After minification 16.8 kB
  • After compression 16.8 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. Manzschulbuch.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (82%)

Requests Now

66

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Manzschulbuch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

manzschulbuch.at

manzschulbuch.at

388 ms

hoelzel.at

hoelzel.at

2580 ms

jquery-ui.css

jquery-ui.css

162 ms

animate.min.css

animate.min.css

151 ms

all.css

all.css

282 ms

v4-shims.css

v4-shims.css

306 ms

autoptimize_single_455f4240b81915ea051b23d783291b6b.js

autoptimize_single_455f4240b81915ea051b23d783291b6b.js

216 ms

autoptimize_single_8bd074658806c4a7fe21e04cd60aef4f.js

autoptimize_single_8bd074658806c4a7fe21e04cd60aef4f.js

385 ms

autoptimize_single_7813a8656d9669060ab181896aef80c1.js

autoptimize_single_7813a8656d9669060ab181896aef80c1.js

383 ms

autoptimize_single_214950111d601f37f454f0a180410cfc.js

autoptimize_single_214950111d601f37f454f0a180410cfc.js

399 ms

autoptimize_single_f700ecd75b30217a3a6b6a4cb879cc48.js

autoptimize_single_f700ecd75b30217a3a6b6a4cb879cc48.js

396 ms

owl.carousel-min.js

owl.carousel-min.js

385 ms

script-min.js

script-min.js

400 ms

lity.min.js

lity.min.js

411 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

408 ms

add-to-cart.min.js

add-to-cart.min.js

433 ms

autoptimize_single_902b7ca09549975e55e136fb0026df9a.js

autoptimize_single_902b7ca09549975e55e136fb0026df9a.js

435 ms

scripts.js

scripts.js

424 ms

autoptimize_single_81a3eb2891c80738bf7e994062d3b341.js

autoptimize_single_81a3eb2891c80738bf7e994062d3b341.js

424 ms

autoptimize_single_f376a7bb975acb5d400aada02af4f577.js

autoptimize_single_f376a7bb975acb5d400aada02af4f577.js

466 ms

autoptimize_single_0110b442b392de5e8ee758dcb10014c2.js

autoptimize_single_0110b442b392de5e8ee758dcb10014c2.js

467 ms

autoptimize_single_83faecafe6d76b989a3a70c23237279d.js

autoptimize_single_83faecafe6d76b989a3a70c23237279d.js

510 ms

autoptimize_single_7b3baf835bf23a8ba21ec20d4a723b92.js

autoptimize_single_7b3baf835bf23a8ba21ec20d4a723b92.js

512 ms

autoptimize_single_eea7d8f41f946daaa421d6e0f1b5a50a.js

autoptimize_single_eea7d8f41f946daaa421d6e0f1b5a50a.js

512 ms

autoptimize_single_8778f89c3169e0c621e5513b6d5be041.js

autoptimize_single_8778f89c3169e0c621e5513b6d5be041.js

563 ms

autoptimize_single_04373278f51fce67b259add97e8f05c8.js

autoptimize_single_04373278f51fce67b259add97e8f05c8.js

556 ms

autoptimize_single_89288720e4cdb29f4498ba778ee094f4.js

autoptimize_single_89288720e4cdb29f4498ba778ee094f4.js

573 ms

autoptimize_single_1f455fdab13a3310cd46b595ce0b0f8e.js

autoptimize_single_1f455fdab13a3310cd46b595ce0b0f8e.js

590 ms

autoptimize_single_4c4bcc02ee7c7b498b18a563fe0ea388.js

autoptimize_single_4c4bcc02ee7c7b498b18a563fe0ea388.js

592 ms

js

js

150 ms

jquery-ui.css

jquery-ui.css

92 ms

lazysizes.min.js

lazysizes.min.js

734 ms

front.min.js

front.min.js

731 ms

Hyphenator.js

Hyphenator.js

727 ms

autoptimize_single_8be4401872ca9e6eda3406bcd619160b.js

autoptimize_single_8be4401872ca9e6eda3406bcd619160b.js

866 ms

core.min.js

core.min.js

732 ms

widget.min.js

widget.min.js

742 ms

mouse.min.js

mouse.min.js

737 ms

resizable.min.js

resizable.min.js

737 ms

draggable.min.js

draggable.min.js

735 ms

button.min.js

button.min.js

745 ms

position.min.js

position.min.js

754 ms

dialog.min.js

dialog.min.js

783 ms

tabs.min.js

tabs.min.js

782 ms

js.cookie.min.js

js.cookie.min.js

729 ms

woocommerce.min.js

woocommerce.min.js

566 ms

cart-fragments.min.js

cart-fragments.min.js

556 ms

effect.min.js

effect.min.js

608 ms

select2.full.min.js

select2.full.min.js

657 ms

TweenMax.min.js

TweenMax.min.js

639 ms

ScrollMagic.min.js

ScrollMagic.min.js

638 ms

animation.gsap.min.js

animation.gsap.min.js

625 ms

autoptimize_single_e33a8980dbdd5e0c17ac64acaffb0af3.js

autoptimize_single_e33a8980dbdd5e0c17ac64acaffb0af3.js

619 ms

wp-embed.min.js

wp-embed.min.js

602 ms

datepicker.min.js

datepicker.min.js

677 ms

js_composer_front.min.js

js_composer_front.min.js

676 ms

logo_bg_neu.png

logo_bg_neu.png

818 ms

HV_SchulPIN_Grafik_Startseite1.jpg

HV_SchulPIN_Grafik_Startseite1.jpg

1105 ms

web_iStock-129179508_klein.jpg

web_iStock-129179508_klein.jpg

1018 ms

web_iStock-477633871.jpg

web_iStock-477633871.jpg

910 ms

fa-solid-900.woff

fa-solid-900.woff

129 ms

fa-regular-400.woff

fa-regular-400.woff

185 ms

matomo.js

matomo.js

830 ms

analytics.js

analytics.js

87 ms

collect

collect

324 ms

279 ms

collect

collect

94 ms

hv_schulpin_homepage-promo2.jpg

hv_schulpin_homepage-promo2.jpg

311 ms

arrow-up.png

arrow-up.png

119 ms

matomo.php

matomo.php

367 ms

Accessibility Review

manzschulbuch.at accessibility score

84

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

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

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

Best Practices

manzschulbuch.at 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

SEO Factors

manzschulbuch.at 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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

manzschulbuch.at

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