Tools & Wizards About Us
kirkrsmith.org screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

kirkrsmith.org

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

Page Load Speed

534 ms in total

First Response

39 ms

Resources Loaded

339 ms

Page Rendered

156 ms

kirkrsmith.org screenshot

About Website

Click here to check amazing Kirk R Smith content. Otherwise, check out these important facts you probably never knew about kirkrsmith.org

Kirk R. Smith is Professor of Global Environmental Health at the University of California, Berkeley. He studies the interactions between household energy use, human health, and climate change.

Visit kirkrsmith.org

Key Findings

We analyzed Kirkrsmith.org page load time and found that the first response time was 39 ms and then it took 495 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

kirkrsmith.org performance score

24

Measured Metrics

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%

Network Requests Diagram

www.kirkrsmith.org

39 ms

MEhiQbWLNtRwuxBElefwzQxxgEX_gfwXQW6eNHBT47CfeGjIfFHN4UJLFRbh52jhWD9D529hZQB8ZQsKw2gRFcjUZcwUZRj3wy7YMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdP37O1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80Zko0ZWbCjWw0dA9C-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUn-W4nS1Fl-WsGOcNkZkUCdhFydeyzSabCSaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUaiaS0-h8k-a4DdA8X-fozScSCiaiaO1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXK2YgkdayTdAIldcNhjPG4fHvgIMMjgfMfH6qJnbIbMg6eJMJ7fbKOMsMMeMS6MKG4fOMgIMMj2KMfH6qJn6IbMg6bJMJ7fbKwMsMMegI6MTMg1zc0K6j.js

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.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.2 kB (8%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

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 Breakdown

Number of requests can be reduced by 12 (75%)

Requests Now

16

After Optimization

4

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

www.kirkrsmith.org

www.kirkrsmith.org

39 ms

MEhiQbWLNtRwuxBElefwzQxxgEX_gfwXQW6eNHBT47CfeGjIfFHN4UJLFRbh52jhWD9D529hZQB8ZQsKw2gRFcjUZcwUZRj3wy7YMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdP37O1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80Zko0ZWbCjWw0dA9C-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUn-W4nS1Fl-WsGOcNkZkUCdhFydeyzSabCSaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUaiaS0-h8k-a4DdA8X-fozScSCiaiaO1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXK2YgkdayTdAIldcNhjPG4fHvgIMMjgfMfH6qJnbIbMg6eJMJ7fbKOMsMMeMS6MKG4fOMgIMMj2KMfH6qJn6IbMg6bJMJ7fbKwMsMMegI6MTMg1zc0K6j.js

MEhiQbWLNtRwuxBElefwzQxxgEX_gfwXQW6eNHBT47CfeGjIfFHN4UJLFRbh52jhWD9D529hZQB8ZQsKw2gRFcjUZcwUZRj3wy7YMkG0jAFu-WsoShFGZAsude80ZkoRdhXCHKoyjamTiY8Djhy8ZYmC-Ao1Oco8if37OcBDOcu8OfG0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdP37O1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80ZkoRdhXCjAFu-WsoShFGZAsude80Zko0ZWbCjWw0dA9C-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUn-W4nS1Fl-WsGOcNkZkUCdhFydeyzSabCSaBujW48SagyjhmDjhy8ZYmC-Ao1OcFzdPUaiaS0jAFu-WsoShFGZAsude80ZkoRdhXCiaiaOcBRiA8XpWFR-emqiAUTdcS0dcmXOYiaikoySkolZPUaiaS0-eNuShmGdhUqZAo8ScioO1FUiABkZWF3jAF8OcFzdPUaiaS0-h8k-a4DdA8X-fozScSCiaiaO1FUiABkZWF3jAF8ShFGZAsude80ZkoRdhXK2YgkdayTdAIldcNhjPG4fHvgIMMjgfMfH6qJnbIbMg6eJMJ7fbKOMsMMeMS6MKG4fOMgIMMj2KMfH6qJn6IbMg6bJMJ7fbKwMsMMegI6MTMg1zc0K6j.js

20 ms

legacy.js

legacy.js

20 ms

modern.js

modern.js

20 ms

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

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

20 ms

extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js

extract-css-moment-js-vendor-6c569122bfa66a51a056-min.en-US.js

37 ms

cldr-resource-pack-f4df7777522f8adb8991-min.en-US.js

cldr-resource-pack-f4df7777522f8adb8991-min.en-US.js

25 ms

common-vendors-stable-61293f01d648eef165fc-min.en-US.js

common-vendors-stable-61293f01d648eef165fc-min.en-US.js

41 ms

common-vendors-d7e7feff350dd04c088a-min.en-US.js

common-vendors-d7e7feff350dd04c088a-min.en-US.js

37 ms

common-ef137c1334f00fc1f9f5-min.en-US.js

common-ef137c1334f00fc1f9f5-min.en-US.js

37 ms

performance-d3ae8743f3ed95166455-min.en-US.js

performance-d3ae8743f3ed95166455-min.en-US.js

37 ms

site.css

site.css

56 ms

js

js

147 ms

site-bundle.js

site-bundle.js

50 ms

embed.js

embed.js

167 ms

krksmith.png

krksmith.png

70 ms

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17 ms

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21 ms

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25 ms

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28 ms

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21 ms

Accessibility Review

kirkrsmith.org accessibility score

97

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

kirkrsmith.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kirkrsmith.org SEO score

98

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kirkrsmith.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Kirkrsmith.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

kirkrsmith.org

Open Graph data is detected on the main page of Kirk R Smith. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: