Access chemie-azubi.de. Ausbildung und Duales Studium in der Chemie

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value940 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

chemie-azubi.de

401 ms

www.chemie-azubi.de

819 ms

d42b6e1bdf.css

98 ms

Basic.css

196 ms

styles.css

290 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 63% of them (58 requests) were addressed to the original Chemie-azubi.de, 11% (10 requests) were made to Elementare-vielfalt.de and 8% (7 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Elementare-vielfalt.de.

Content Size

3.6 MB

After Optimization

3.3 MB

In fact, the total size of Chemie-azubi.de main page is 3.6 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. 80% 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 61.8 kB

Original 79.5 kB
After minification 77.6 kB
After compression 17.7 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 61.8 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 222.3 kB

Original 3.0 MB
After minification 2.7 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. Chemie Azubi images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 46.1 kB

Original 537.8 kB
After minification 537.8 kB
After compression 491.6 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 0 B

Original 59.5 kB
After minification 59.5 kB
After compression 59.5 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. Chemie-azubi.de has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemie Azubi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

These are opportunities to improve the legibility of your content.

High

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

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

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

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 Chemie-azubi.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 Chemie-azubi.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

chemie-azubi.de

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Ausbildung und Duales Studium in der Chemie | Chemie-Azubi

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

chemie-azubi.de

www.chemie-azubi.de

d42b6e1bdf.css

Basic.css

styles.css

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

chemie-azubi.de

www.chemie-azubi.de

d42b6e1bdf.css

Basic.css

styles.css

sf.syscatmaps.css

sf.newscatfilter.css

sf.newslikes.css

bootstrap.css

font-awesome.min.css

shariff.complete.css

compile.php

ke_search_pi1.css

loader.js

uc-block.bundle.js

jquery-1.11.3.min.js

bootstrap.cust.min.js

sf.newscatfilter.js

sf.newslikes.js

shariff.complete.js

jquery.matchHeight.min.js

slick.min.js

functions.min.js

5508b6c4f0.js

jquery.datetimepicker.min.js

parsley.min.js

Tabs.min.js

Form.min.js

matomo.js

index.php

videoseries

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logo-chemie-azubi-2018.png

bg-topnews-lg.png

Ralph_Poschke__Top_Azubi_Chemie_2018.jpg

bg-homesubnav-lg.png

bg-maincontent-lg.png

SRL_IK_FOTO.jpg

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icon-hexagon.svg

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