Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

hueber.de

Hueber Verlag – Freude an Sprachen

Page Load Speed

2.2 sec in total

First Response

304 ms

Resources Loaded

1.7 sec

Page Rendered

200 ms

hueber.de screenshot

About Website

Welcome to hueber.de homepage info - get ready to check Hueber best content for Germany right away, or after learning these important things about hueber.de

Als einer der weltweit führenden Sprachenverlage bietet Ihnen Hueber vielfach erprobte Lehrwerke und Sprachkurse für Deutsch als Fremdsprache, Deutsch als Zweitsprache, Englisch, Französisch, Italieni...

Visit hueber.de

Key Findings

We analyzed Hueber.de page load time and found that the first response time was 304 ms and then it took 1.9 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

hueber.de performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value1.191

1/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

hueber.de

304 ms

prototype.js

240 ms

scriptaculous.js

184 ms

prototype.formalize.min.js

181 ms

lightbox.js

186 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 95% of them (54 requests) were addressed to the original Hueber.de, 4% (2 requests) were made to Etracker.de and 2% (1 request) were made to Code.etracker.com. The less responsive or slowest element that took the longest time to load (873 ms) belongs to the original domain Hueber.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.3 kB (27%)

Content Size

1.7 MB

After Optimization

1.2 MB

In fact, the total size of Hueber.de main page is 1.7 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 19.5 kB

  • Original 25.7 kB
  • After minification 24.2 kB
  • After compression 6.3 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 19.5 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 116.2 kB

  • Original 1.2 MB
  • After minification 1.1 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. Hueber images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 259.3 kB

  • Original 319.4 kB
  • After minification 238.1 kB
  • After compression 60.1 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 259.3 kB or 81% of the original size.

CSS Optimization

-81%

Potential reduce by 54.3 kB

  • Original 67.3 kB
  • After minification 54.4 kB
  • After compression 13.1 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. Hueber.de needs all CSS files to be minified and compressed as it can save up to 54.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (27%)

Requests Now

56

After Optimization

41

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hueber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hueber.de 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

hueber.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

hueber.de SEO score

89

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

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 Hueber.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 Hueber.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

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