Access kirkrsmith.org. Kirk R. Smith • Professor of Global Environmental Health • University of California, Berkeley

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

www.kirkrsmith.org

39 ms

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20 ms

legacy.js

20 ms

modern.js

20 ms

extract-css-runtime-84eba3a660d357ddbe76-min.en-US.js

20 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Kirkrsmith.org, 39% (9 requests) were made to Assets.squarespace.com and 30% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (167 ms) relates to the external source S.swiftypecdn.com.

Content Size

1.1 MB

After Optimization

1.0 MB

In fact, the total size of Kirkrsmith.org main page is 1.1 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. 65% of websites need less resources to load. Javascripts take 976.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 74.4 kB

Original 87.9 kB
After minification 70.0 kB
After compression 13.6 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. This page needs HTML code to be minified as it can gain 18.0 kB, which is 20% 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 74.4 kB or 85% of the original size.

Image Optimization

-17%

Potential reduce by 3.1 kB

Original 18.3 kB
After minification 15.3 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, Kirk R Smith needs image optimization as it can save up to 3.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 4.8 kB

Original 976.7 kB
After minification 976.7 kB
After compression 972.0 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kirk R Smith. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.