9.6 sec in total
3.3 sec
6.1 sec
232 ms
Visit 123chemie.de now to see the best up-to-date 123 Chemie content and also check out these interesting facts you probably never knew about 123chemie.de
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Visit 123chemie.deWe analyzed 123chemie.de page load time and found that the first response time was 3.3 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
123chemie.de performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value5.6 s
18/100
25%
Value7.3 s
29/100
10%
Value1,780 ms
10/100
30%
Value0.219
57/100
15%
Value12.6 s
14/100
10%
3258 ms
1032 ms
50 ms
681 ms
85 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 81% of them (22 requests) were addressed to the original 123chemie.de, 7% (2 requests) were made to Apis.google.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain 123chemie.de.
Page size can be reduced by 276.4 kB (51%)
546.4 kB
270.0 kB
In fact, the total size of 123chemie.de main page is 546.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 244.8 kB which makes up the majority of the site volume.
Potential reduce by 14.4 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 14.4 kB or 71% of the original size.
Potential reduce by 1.1 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. 123 Chemie images are well optimized though.
Potential reduce by 165.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 165.9 kB or 68% of the original size.
Potential reduce by 95.0 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. 123chemie.de needs all CSS files to be minified and compressed as it can save up to 95.0 kB or 83% of the original size.
Number of requests can be reduced by 12 (48%)
25
13
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 123 Chemie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.123chemie.de
3258 ms
bootstrap.min.css
1032 ms
css
50 ms
style.css
681 ms
plusone.js
85 ms
styles.css
367 ms
jquery.js
954 ms
jquery-migrate.min.js
483 ms
jquery.form.min.js
325 ms
scripts.js
614 ms
bootstrap.min.js
540 ms
wp-embed.min.js
485 ms
cb=gapi.loaded_0
42 ms
wp-emoji-release.min.js
327 ms
123chemie-logo1.jpg
217 ms
chemie-interaktiv-lernen-mit123chemie1.jpg
111 ms
grundwissen-chemie.jpg
415 ms
demo-chemie-lernen.jpg
114 ms
Inhalt1.jpg
226 ms
Interaktiv1.jpg
215 ms
Nutzung1.jpg
225 ms
produktuebersicht.jpg
413 ms
katalog.png
431 ms
reagenzglas.png
560 ms
piwik.js
1079 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
5 ms
glyphicons-halflings-regular.woff
351 ms
123chemie.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
123chemie.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
123chemie.de SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 123chemie.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 123chemie.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.
123chemie.de
Open Graph data is detected on the main page of 123 Chemie. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: