Access coastal.com. Buy Prescription Glasses Online from $6

www.coastal.com

377 ms

a.js

41 ms

master_vendor_all.min.css

12 ms

grid.min.css

30 ms

master_home.css

19 ms

Our browser made a total of 251 requests to load all elements on the main page. We found that 12% of them (29 requests) were addressed to the original Coastal.com, 12% (30 requests) were made to Us.objects-cc.com and 10% (24 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (454 ms) relates to the external source Cs.gssprt.jp.

Content Size

2.0 MB

After Optimization

771.1 kB

In fact, the total size of Coastal.com main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 98.9 kB

Original 120.2 kB
After minification 91.0 kB
After compression 21.2 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 29.2 kB, which is 24% 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 98.9 kB or 82% of the original size.

Image Optimization

-23%

Potential reduce by 98.6 kB

Original 424.4 kB
After minification 325.8 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, Coastal needs image optimization as it can save up to 98.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 833.6 kB

Original 1.2 MB
After minification 1.2 MB
After compression 392.4 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 833.6 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 171.1 kB

Original 202.9 kB
After minification 200.8 kB
After compression 31.7 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. Coastal.com needs all CSS files to be minified and compressed as it can save up to 171.1 kB or 84% of the original size.

Requests Now

232

After Optimization

The browser has sent 232 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coastal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 62 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.