Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lernwerk.de

Lernwerk Nachhilfe Berlin & Potsdam an 11 Standorten!

Page Load Speed

4.6 sec in total

First Response

232 ms

Resources Loaded

3.5 sec

Page Rendered

837 ms

About Website

Click here to check amazing Lernwerk content for Germany. Otherwise, check out these important facts you probably never knew about lernwerk.de

Nachhilfe in Berlin ✔︎ Kostenlose Erstberatung ✔︎ Keine Langzeitverträge ✔︎ Keine Aufnahmegebühren ✔︎ Mehr Informationen erhalten Sie auf unserer Webseite!

Visit lernwerk.de

Key Findings

We analyzed Lernwerk.de page load time and found that the first response time was 232 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

lernwerk.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

lernwerk.de

232 ms

lernwerk.de

1139 ms

lernwerk-custom.css

210 ms

lernwerk-custom-colors.css

304 ms

reset.css

307 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 92% of them (61 requests) were addressed to the original Lernwerk.de, 3% (2 requests) were made to Lernwerk.matomo.cloud and 2% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Lernwerk.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.9 kB (2%)

Content Size

7.9 MB

After Optimization

7.8 MB

In fact, the total size of Lernwerk.de main page is 7.9 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. 75% 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 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 69.1 kB

  • Original 84.9 kB
  • After minification 73.7 kB
  • After compression 15.7 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. This page needs HTML code to be minified as it can gain 11.1 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 69.1 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 57.9 kB

  • Original 7.6 MB
  • After minification 7.5 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. Lernwerk images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 37 B

  • Original 201.0 kB
  • After minification 201.0 kB
  • After compression 200.9 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

-2%

Potential reduce by 821 B

  • Original 43.5 kB
  • After minification 43.5 kB
  • After compression 42.7 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. Lernwerk.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (17%)

Requests Now

59

After Optimization

49

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lernwerk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lernwerk.de accessibility score

82

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

[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.

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

Best Practices

lernwerk.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

Page has valid source maps

SEO Factors

lernwerk.de SEO score

92

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

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