Access jcdsboston.org. JCDS Boston's Jewish Community Day School

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.415

23/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

jcdsboston.org

49 ms

www.jcdsboston.org

191 ms

analytics.js

78 ms

gtm.js

176 ms

jquery.min.js

37 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 34% of them (27 requests) were addressed to the original Jcdsboston.org, 45% (36 requests) were made to D18hjk6wpn1fl5.cloudfront.net and 9% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (284 ms) relates to the external source D18hjk6wpn1fl5.cloudfront.net.

Content Size

3.9 MB

After Optimization

3.0 MB

In fact, the total size of Jcdsboston.org main page is 3.9 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 76.1 kB

Original 94.7 kB
After minification 92.0 kB
After compression 18.6 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 76.1 kB or 80% of the original size.

Image Optimization

-20%

Potential reduce by 687.5 kB

Original 3.4 MB
After minification 2.7 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, JCDS Boston needs image optimization as it can save up to 687.5 kB or 20% 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 65.7 kB

Original 270.0 kB
After minification 270.0 kB
After compression 204.3 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 65.7 kB or 24% of the original size.

CSS Optimization

-17%

Potential reduce by 16.0 kB

Original 95.3 kB
After minification 89.9 kB
After compression 79.3 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. Jcdsboston.org needs all CSS files to be minified and compressed as it can save up to 16.0 kB or 17% of the original size.

Requests Now

After Optimization

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCDS Boston. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.