Tools & Wizards About Us
davideagleman.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

davideagleman.com

David Eagleman - Neuroscientist, Author, Technologist, Entrepreneur

Page Load Speed

2.1 sec in total

First Response

16 ms

Resources Loaded

1.2 sec

Page Rendered

870 ms

davideagleman.com screenshot

About Website

Click here to check amazing David Eagleman content. Otherwise, check out these important facts you probably never knew about davideagleman.com

David's research encompasses brain plasticity, sensory substitution, time perception, synesthesia, and the intersection of brain science with the legal system.

Visit davideagleman.com

Key Findings

We analyzed Davideagleman.com page load time and found that the first response time was 16 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

davideagleman.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

davideagleman.com

16 ms

eagleman.com

63 ms

eagleman.com

23 ms

419 ms

aos.css

84 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Davideagleman.com, 34% (23 requests) were made to I0.wp.com and 25% (17 requests) were made to Eagleman.com. The less responsive or slowest element that took the longest time to load (473 ms) relates to the external source Eagleman.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.5 kB (3%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Davideagleman.com main page is 2.6 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 60.4 kB

  • Original 77.5 kB
  • After minification 73.8 kB
  • After compression 17.1 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 60.4 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 9.0 kB

  • Original 2.4 MB
  • After minification 2.4 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. David Eagleman images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 7.8 kB

  • Original 102.9 kB
  • After minification 102.9 kB
  • After compression 95.1 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.

CSS Optimization

-28%

Potential reduce by 342 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 873 B

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. Davideagleman.com needs all CSS files to be minified and compressed as it can save up to 342 B or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (26%)

Requests Now

57

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of David Eagleman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

davideagleman.com

davideagleman.com

16 ms

eagleman.com

eagleman.com

63 ms

eagleman.com

eagleman.com

23 ms

419 ms

aos.css

aos.css

84 ms

jquery.min.js

jquery.min.js

69 ms

146 ms

aos.js

aos.js

95 ms

js

js

108 ms

hooks.min.js

hooks.min.js

66 ms

i18n.min.js

i18n.min.js

67 ms

index.js

index.js

67 ms

index.js

index.js

65 ms

i18n-loader.js

i18n-loader.js

68 ms

154 ms

jp-search.js

jp-search.js

139 ms

w.js

w.js

67 ms

196 ms

e-202435.js

e-202435.js

67 ms

forms.js

forms.js

68 ms

aos.css

aos.css

18 ms

aos.js

aos.js

13 ms

print.css

print.css

2 ms

white-cross.png

white-cross.png

117 ms

Eagleman_InnerCosmos.jpg

Eagleman_InnerCosmos.jpg

308 ms

white.svg

white.svg

216 ms

home-header-bg.jpg

home-header-bg.jpg

227 ms

book-block-bg.jpg

book-block-bg.jpg

226 ms

homepage-research.jpg

homepage-research.jpg

393 ms

neo-vest.png

neo-vest.png

337 ms

homepage-waves.jpg

homepage-waves.jpg

336 ms

home-header-bg-mobile.png

home-header-bg-mobile.png

216 ms

fallback-thumb.png

fallback-thumb.png

216 ms

arrow-right-white.png

arrow-right-white.png

214 ms

neo-story-icon.png

neo-story-icon.png

215 ms

clarify-1024x904-1.webp

clarify-1024x904-1.webp

235 ms

4d8c9898b5bb88437f053c8b957f47f3_XL.jpg

4d8c9898b5bb88437f053c8b957f47f3_XL.jpg

240 ms

lifescientific.jpg

lifescientific.jpg

235 ms

dementia.png

dementia.png

235 ms

be28adfff47893c4519c1307dc6b8866_XL.jpg

be28adfff47893c4519c1307dc6b8866_XL.jpg

236 ms

research-featured-img-2.png

research-featured-img-2.png

239 ms

research-featured-img-4.png

research-featured-img-4.png

238 ms

Cover_Cytowic-Eagleman.jpg

Cover_Cytowic-Eagleman.jpg

237 ms

time20brain20man.jpeg

time20brain20man.jpeg

239 ms

clarify-1024x904-1.webp

clarify-1024x904-1.webp

240 ms

BuzzBand.61noLights.png

BuzzBand.61noLights.png

241 ms

Livewired_US.jpg

Livewired_US.jpg

242 ms

Book-8@2x.png

Book-8@2x.png

243 ms

brainbehavior2nd.jpg

brainbehavior2nd.jpg

241 ms

Book-6@2x.png

Book-6@2x.png

246 ms

TheSafetyNetsmall.jpg

TheSafetyNetsmall.jpg

247 ms

Book-5@2x.png

Book-5@2x.png

247 ms

Book-2@2x.png

Book-2@2x.png

247 ms

The-Runaway-Species_cvr.jpg

The-Runaway-Species_cvr.jpg

245 ms

colbertlogo.jpg

colbertlogo.jpg

248 ms

DMENYer.jpg

DMENYer.jpg

249 ms

339a0e1449b6b4062056bc300d87e893_XL.jpg

339a0e1449b6b4062056bc300d87e893_XL.jpg

249 ms

Metropolis-Bold.woff

Metropolis-Bold.woff

170 ms

Metropolis-Light.woff

Metropolis-Light.woff

186 ms

Metropolis-Regular.woff

Metropolis-Regular.woff

186 ms

oswald-v47-latin-regular.woff

oswald-v47-latin-regular.woff

237 ms

slick.woff

slick.woff

252 ms

arrow-right.png

arrow-right.png

473 ms

footer-bg.png

footer-bg.png

223 ms

g.gif

g.gif

94 ms

track.js

track.js

96 ms

g.gif

g.gif

38 ms

track.gif

track.gif

9 ms

Accessibility Review

davideagleman.com accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

davideagleman.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

davideagleman.com SEO score

77

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

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 Davideagleman.com 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 Davideagleman.com 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

davideagleman.com

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