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optically.com.hk

136 ms

www.optically.com.hk

603 ms

unless.min.js

98 ms

Allstyle.css

622 ms

stellarnav.css

204 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 73% of them (62 requests) were addressed to the original Optically.com.hk, 9% (8 requests) were made to D1xxroayoka2ge.cloudfront.net and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source D1xxroayoka2ge.cloudfront.net.

Content Size

706.1 kB

After Optimization

506.3 kB

In fact, the total size of Optically.com.hk main page is 706.1 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. 55% of websites need less resources to load. Images take 315.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.2 kB

Original 76.9 kB
After minification 55.8 kB
After compression 12.7 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. This page needs HTML code to be minified as it can gain 21.1 kB, which is 27% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 64.2 kB or 83% of the original size.

Image Optimization

-11%

Potential reduce by 36.2 kB

Original 315.5 kB
After minification 279.3 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. Obviously, Optically needs image optimization as it can save up to 36.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 42.9 kB

Original 175.9 kB
After minification 175.9 kB
After compression 133.1 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 42.9 kB or 24% of the original size.

CSS Optimization

-41%

Potential reduce by 56.5 kB

Original 137.8 kB
After minification 137.8 kB
After compression 81.3 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. Optically.com.hk needs all CSS files to be minified and compressed as it can save up to 56.5 kB or 41% of the original size.

Requests Now

After Optimization

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optically. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.