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classtrak-staging.herokuapp.com

12 ms

application-error.html

10 ms

application-error.html

19 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Classtrak-staging.herokuapp.com, 67% (2 requests) were made to Herokucdn.com. The less responsive or slowest element that took the longest time to load (19 ms) relates to the external source Herokucdn.com.

Content Size

541.9 kB

After Optimization

346.5 kB

In fact, the total size of Classtrak-staging.herokuapp.com main page is 541.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 315.8 kB which makes up the majority of the site volume.

HTML Optimization

-43%

Potential reduce by 213 B

Original 500 B
After minification 479 B
After compression 287 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 213 B or 43% of the original size.

Image Optimization

-7%

Potential reduce by 15.6 kB

Original 218.3 kB
After minification 202.7 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. Class Trak Staging Heroku App images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 179.6 kB

Original 315.8 kB
After minification 315.8 kB
After compression 136.1 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 179.6 kB or 57% of the original size.

CSS Optimization

-0%

Potential reduce by 13 B

Original 7.3 kB
After minification 7.3 kB
After compression 7.3 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. Classtrak-staging.herokuapp.com has all CSS files already compressed.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Classtrak-staging.herokuapp.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Classtrak-staging.herokuapp.com 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

classtrak-staging.herokuapp.com

Open Graph description is not detected on the main page of Class Trak Staging Heroku App. 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: