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chem.digital

41 ms

caf.js

38 ms

main.42f5e61c.js

78 ms

main.1b609023.css

56 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original Chem.digital, 50% (2 requests) were made to Img1.wsimg.com and 25% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (78 ms) relates to the external source Img1.wsimg.com.

Content Size

699.3 kB

After Optimization

232.0 kB

In fact, the total size of Chem.digital main page is 699.3 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. 15% of websites need less resources to load. Javascripts take 698.0 kB which makes up the majority of the site volume.

HTML Optimization

-38%

Potential reduce by 198 B

Original 521 B
After minification 521 B
After compression 323 B

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 198 B or 38% of the original size.

JavaScript Optimization

-67%

Potential reduce by 467.0 kB

Original 698.0 kB
After minification 698.0 kB
After compression 231.0 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 467.0 kB or 67% of the original size.

CSS Optimization

-7%

Potential reduce by 52 B

Original 768 B
After minification 768 B
After compression 716 B

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. Chem.digital has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem. According to our analytics all requests are already optimized.

Language and Encoding

Language Detected

Language Claimed

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem.digital can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Chem.digital 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

chem.digital

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