2.4 sec in total
687 ms
1.6 sec
110 ms
Welcome to chemlin.de homepage info - get ready to check Chem Lin best content for Germany right away, or after learning these important things about chemlin.de
Datenbank für Stoffe und chemische Verbindungen.
Visit chemlin.deWe analyzed Chemlin.de page load time and found that the first response time was 687 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
chemlin.de performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value5.1 s
25/100
25%
Value5.5 s
54/100
10%
Value930 ms
30/100
30%
Value0.022
100/100
15%
Value9.4 s
30/100
10%
687 ms
191 ms
14 ms
63 ms
4 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that 29% of them (6 requests) were addressed to the original Chemlin.de, 19% (4 requests) were made to Pagead2.googlesyndication.com and 19% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (687 ms) belongs to the original domain Chemlin.de.
Page size can be reduced by 16.4 kB (23%)
71.0 kB
54.6 kB
In fact, the total size of Chemlin.de main page is 71.0 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. 20% of websites need less resources to load. Images take 35.0 kB which makes up the majority of the site volume.
Potential reduce by 9.4 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 9.4 kB or 72% of the original size.
Potential reduce by 0 B
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. Chem Lin images are well optimized though.
Potential reduce by 150 B
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.
Potential reduce by 6.8 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. Chemlin.de needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 84% of the original size.
Number of requests can be reduced by 6 (32%)
19
13
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Lin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
chemlin.de
687 ms
chemlinneu.css
191 ms
brand
14 ms
brand
63 ms
show_ads.js
4 ms
ca-pub-1396516419617430.js
30 ms
zrt_lookup.html
30 ms
show_ads_impl.js
54 ms
google_custom_search_watermark.gif
35 ms
chemie.gif
103 ms
chemikalien.gif
105 ms
schalt1.gif
610 ms
utitel-610.gif
612 ms
ads
599 ms
osd.js
3 ms
515283939779265030
16 ms
abg.js
21 ms
m_js_controller.js
32 ms
googlelogo_color_112x36dp.png
63 ms
s
22 ms
x_button_blue2.png
22 ms
chemlin.de accessibility score
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
[aria-*] attributes do not match their roles
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
chemlin.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
Browser errors were logged to the console
Page has valid source maps
chemlin.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemlin.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 Chemlin.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.
chemlin.de
Open Graph description is not detected on the main page of Chem Lin. 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: