Access bn.com. Online Bookstore: Books, NOOK ebooks, Music, Movies & Toys

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,490 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

bn.com

31 ms

www.barnesandnoble.com

210 ms

fonts.min.css

12 ms

concat.min.css

23 ms

homepagenew.min.css

44 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bn.com, 23% (31 requests) were made to Prodimage.images-bn.com and 22% (30 requests) were made to Dispatch.barnesandnoble.com. The less responsive or slowest element that took the longest time to load (484 ms) relates to the external source Googleads.g.doubleclick.net.

Content Size

3.7 MB

After Optimization

2.2 MB

In fact, the total size of Bn.com main page is 3.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 191.8 kB

Original 237.9 kB
After minification 233.3 kB
After compression 46.1 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 191.8 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 211.9 kB

Original 1.9 MB
After minification 1.7 MB

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, Bn needs image optimization as it can save up to 211.9 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

-70%

Potential reduce by 902.7 kB

Original 1.3 MB
After minification 1.2 MB
After compression 386.3 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 902.7 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 192.7 kB

Original 238.7 kB
After minification 233.5 kB
After compression 46.0 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. Bn.com needs all CSS files to be minified and compressed as it can save up to 192.7 kB or 81% of the original size.

Requests Now

127

After Optimization

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.