Access langenscheidt-unterrichtsportal.de. Klett Sprachen - Lehrwerke, Lektüren und mehr für Ihren Unterricht

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.297

40/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

www.klett-sprachen.de

305 ms

www.klett-sprachen.de

700 ms

screen.css

208 ms

all.js

879 ms

whCookieManager.min.js

539 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Langenscheidt-unterrichtsportal.de, 40% (20 requests) were made to Klett-sprachen.de and 4% (2 requests) were made to Cookiemanager.wirth-horn.de. The less responsive or slowest element that took the longest time to load (879 ms) relates to the external source Klett-sprachen.de.

Content Size

1.1 MB

After Optimization

989.0 kB

In fact, the total size of Langenscheidt-unterrichtsportal.de main page is 1.1 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. 40% of websites need less resources to load. Images take 816.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 98.0 kB

Original 117.0 kB
After minification 116.5 kB
After compression 19.1 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 98.0 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 15.0 kB

Original 816.7 kB
After minification 801.7 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. Langenscheidt Unterricht Sportal images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 458 B

Original 107.8 kB
After minification 107.8 kB
After compression 107.4 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 24 B

Original 60.9 kB
After minification 60.9 kB
After compression 60.8 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. Langenscheidt-unterrichtsportal.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Langenscheidt Unterricht Sportal. 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.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Langenscheidt-unterrichtsportal.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 Langenscheidt-unterrichtsportal.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

langenscheidt-unterrichtsportal.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Klett Sprachen - Lehrwerke, Lektüren und mehr für Ihren Unterricht

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.klett-sprachen.de

www.klett-sprachen.de

screen.css

all.js

whCookieManager.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.klett-sprachen.de

www.klett-sprachen.de

screen.css

all.js

whCookieManager.min.js

whCookieManager.min.css

snippet.js

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loading.gif

bezahlarten.png

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lato-v14-latin-ext_latin-700.woff

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