Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

schulportal.de

Schulportal - Unterrichtsmaterial für Lehrer und Referendare

Page Load Speed

3.1 sec in total

First Response

196 ms

Resources Loaded

2.6 sec

Page Rendered

257 ms

schulportal.de screenshot

About Website

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

Schulportal - Unterrichtsmaterial für Lehrer und Referendare

Visit schulportal.de

Key Findings

We analyzed Schulportal.de page load time and found that the first response time was 196 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

schulportal.de performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

schulportal.de

196 ms

schulportal.de

403 ms

cmp.php

405 ms

cmp_en.min.js

235 ms

bootstrap.css

104 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 67% of them (29 requests) were addressed to the original Schulportal.de, 14% (6 requests) were made to Images.schulportal.de and 7% (3 requests) were made to Cdn.consentmanager.net. The less responsive or slowest element that took the longest time to load (842 ms) relates to the external source Cdn.consentmanager.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.7 kB (34%)

Content Size

1.0 MB

After Optimization

674.0 kB

In fact, the total size of Schulportal.de main page is 1.0 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 559.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 116.2 kB

  • Original 139.9 kB
  • After minification 131.9 kB
  • After compression 23.7 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. 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 116.2 kB or 83% of the original size.

Image Optimization

-35%

Potential reduce by 195.9 kB

  • Original 559.5 kB
  • After minification 363.6 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. Obviously, Schulportal needs image optimization as it can save up to 195.9 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 18.5 kB

  • Original 253.3 kB
  • After minification 253.3 kB
  • After compression 234.9 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

-15%

Potential reduce by 9.1 kB

  • Original 61.0 kB
  • After minification 60.9 kB
  • After compression 51.9 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. Schulportal.de needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (72%)

Requests Now

39

After Optimization

11

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schulportal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

schulportal.de accessibility score

91

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

Best Practices

schulportal.de best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

schulportal.de SEO score

86

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

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

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schulportal.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Schulportal.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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