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dougengelbart.org screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

dougengelbart.org

Welcome (temporary) - Doug Engelbart Institute

Page Load Speed

2.7 sec in total

First Response

307 ms

Resources Loaded

2.2 sec

Page Rendered

213 ms

dougengelbart.org screenshot

About Website

Welcome to dougengelbart.org homepage info - get ready to check Doug Engelbart best content for United States right away, or after learning these important things about dougengelbart.org

Visit the Doug Engelbart Institute to explore his remarkable legacy and all it inspires (official site)

Visit dougengelbart.org

Key Findings

We analyzed Dougengelbart.org page load time and found that the first response time was 307 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dougengelbart.org performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,800 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

dougengelbart.org

307 ms

template_css.css

136 ms

content.css

106 ms

bootstrap.js

102 ms

css_lxmenu.css

106 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 71% of them (37 requests) were addressed to the original Dougengelbart.org, 6% (3 requests) were made to S.ytimg.com and 4% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Dougengelbart.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 519.8 kB (48%)

Content Size

1.1 MB

After Optimization

557.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dougengelbart.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. Images take 493.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.4 kB

  • Original 76.0 kB
  • After minification 63.8 kB
  • After compression 11.6 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 12.1 kB, which is 16% 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 64.4 kB or 85% of the original size.

Image Optimization

-17%

Potential reduce by 86.3 kB

  • Original 493.4 kB
  • After minification 407.1 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, Doug Engelbart needs image optimization as it can save up to 86.3 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

-61%

Potential reduce by 149.1 kB

  • Original 243.8 kB
  • After minification 237.8 kB
  • After compression 94.7 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 149.1 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 220.0 kB

  • Original 264.3 kB
  • After minification 258.4 kB
  • After compression 44.4 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. Dougengelbart.org needs all CSS files to be minified and compressed as it can save up to 220.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (40%)

Requests Now

48

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doug Engelbart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dougengelbart.org

dougengelbart.org

307 ms

template_css.css

template_css.css

136 ms

content.css

content.css

106 ms

bootstrap.js

bootstrap.js

102 ms

css_lxmenu.css

css_lxmenu.css

106 ms

functions.js

functions.js

104 ms

menu.js

menu.js

105 ms

pos_lxmenu.js

pos_lxmenu.js

152 ms

plusone.js

plusone.js

61 ms

DEI_SanFran1968-crop.jpg

DEI_SanFran1968-crop.jpg

101 ms

btn_donate_LG.gif

btn_donate_LG.gif

50 ms

mouse4s.gif

mouse4s.gif

644 ms

page-border-left.jpg

page-border-left.jpg

47 ms

page-border-right.jpg

page-border-right.jpg

47 ms

top-nav-bg.jpg

top-nav-bg.jpg

46 ms

bootstrap-alliance-2.jpg

bootstrap-alliance-2.jpg

45 ms

sitemap.jpg

sitemap.jpg

46 ms

home.jpg

home.jpg

45 ms

bootstrap-alliance-blank.jpg

bootstrap-alliance-blank.jpg

141 ms

search-bar-bg.jpg

search-bar-bg.jpg

98 ms

btn-hide.jpg

btn-hide.jpg

98 ms

search-box-bg.jpg

search-box-bg.jpg

97 ms

giving.jpg

giving.jpg

98 ms

connect-facebook-icon.jpg

connect-facebook-icon.jpg

127 ms

twitter.jpg

twitter.jpg

203 ms

connect-youtube.jpg

connect-youtube.jpg

203 ms

unrevDoug05.jpg

unrevDoug05.jpg

201 ms

ce-speaking-crop.jpeg

ce-speaking-crop.jpeg

139 ms

subscribe.jpg

subscribe.jpg

782 ms

connect-blog-collectiveiq-sq.jpg

connect-blog-collectiveiq-sq.jpg

153 ms

underscore-thin.jpg

underscore-thin.jpg

1756 ms

t03.jpg

t03.jpg

153 ms

t13.jpg

t13.jpg

199 ms

Logitech-logo-100k_72_dpi.jpg

Logitech-logo-100k_72_dpi.jpg

201 ms

sri-international_0710_blk.jpg

sri-international_0710_blk.jpg

201 ms

dce_pres_thumbcrop.jpg

dce_pres_thumbcrop.jpg

280 ms

nmt.jpg

nmt.jpg

278 ms

huff-DOUG-ENGELBART-crop250-getty.jpg

huff-DOUG-ENGELBART-crop250-getty.jpg

278 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

JAw9ZJlyd7E

JAw9ZJlyd7E

105 ms

ga.js

ga.js

28 ms

nav-arrow.gif

nav-arrow.gif

119 ms

footer-bg.jpg

footer-bg.jpg

119 ms

__utm.gif

__utm.gif

12 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

24 ms

www-embed-player.js

www-embed-player.js

41 ms

base.js

base.js

67 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

36 ms

ad_status.js

ad_status.js

42 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

64 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

64 ms

mouse4s.gif

mouse4s.gif

508 ms

Accessibility Review

dougengelbart.org accessibility score

51

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.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

dougengelbart.org best practices score

42

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dougengelbart.org SEO score

54

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dougengelbart.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Dougengelbart.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dougengelbart.org

Open Graph description is not detected on the main page of Doug Engelbart. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: