Tools & Wizards About Us
darcythompson.org screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

darcythompson.org

D'Arcy Thompson - “I must dance just once more before I die”

Page Load Speed

5.7 sec in total

First Response

569 ms

Resources Loaded

3.8 sec

Page Rendered

1.2 sec

darcythompson.org screenshot

About Website

Click here to check amazing D Arcy Thompson content. Otherwise, check out these important facts you probably never knew about darcythompson.org

D'Arcy Thompson This is a public blog and community that explores the projects and experiments of D’Arcy Thompson. We bring out the best of our community by sharing the experiences of D’Arcy Thom...

Visit darcythompson.org

Key Findings

We analyzed Darcythompson.org page load time and found that the first response time was 569 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

darcythompson.org performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,460 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

darcythompson.org

569 ms

60ld9.css

211 ms

60ld9.css

299 ms

post-8.css

209 ms

60ld9.css

209 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 73% of them (59 requests) were addressed to the original Darcythompson.org, 10% (8 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Darcythompson.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.6 kB (3%)

Content Size

3.2 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Darcythompson.org main page is 3.2 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 86.4 kB

  • Original 108.2 kB
  • After minification 104.2 kB
  • After compression 21.8 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 86.4 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.7 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. D Arcy Thompson images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.9 kB

  • Original 303.6 kB
  • After minification 303.6 kB
  • After compression 300.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 242 B

  • Original 95.9 kB
  • After minification 95.9 kB
  • After compression 95.6 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. Darcythompson.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (48%)

Requests Now

69

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D Arcy Thompson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

darcythompson.org

darcythompson.org

569 ms

60ld9.css

60ld9.css

211 ms

60ld9.css

60ld9.css

299 ms

post-8.css

post-8.css

209 ms

60ld9.css

60ld9.css

209 ms

post-8754.css

post-8754.css

207 ms

60ld9.css

60ld9.css

465 ms

css

css

30 ms

60ld9.js

60ld9.js

576 ms

60ld9.css

60ld9.css

421 ms

helpers.min.js

helpers.min.js

444 ms

jquery.fitvids.min.js

jquery.fitvids.min.js

348 ms

jquery.fittext.min.js

jquery.fittext.min.js

437 ms

jquery.slides.min.js

jquery.slides.min.js

657 ms

jquery.sticky-kit.min.js

jquery.sticky-kit.min.js

476 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

480 ms

typed.min.js

typed.min.js

507 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

664 ms

lightgallery-all.min.js

lightgallery-all.min.js

744 ms

script.min.js

script.min.js

668 ms

script.min.js

script.min.js

666 ms

waypoints.min.js

waypoints.min.js

666 ms

frontend.js

frontend.js

663 ms

webpack.runtime.min.js

webpack.runtime.min.js

742 ms

frontend-modules.min.js

frontend-modules.min.js

747 ms

core.min.js

core.min.js

743 ms

frontend.min.js

frontend.min.js

1067 ms

underscore.min.js

underscore.min.js

1127 ms

wp-util.min.js

wp-util.min.js

1127 ms

frontend.min.js

frontend.min.js

1126 ms

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qpd5PxK5qgo

284 ms

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i-GP-tuaGW4

232 ms

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425 ms

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641 ms

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524 ms

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physics.png

640 ms

scientific.png

scientific.png

585 ms

student.png

student.png

640 ms

darcythompson-.jpg

darcythompson-.jpg

810 ms

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768568.jpg

727 ms

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811 ms

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1019 ms

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1083 ms

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1027 ms

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1094 ms

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1384 ms

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953 ms

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1096 ms

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1149 ms

Untitled-design-17.png

Untitled-design-17.png

1660 ms

darcy-thompson.jpg

darcy-thompson.jpg

1156 ms

08AE80AD-E5E5-4E97-8702B8F6EA30D4E6.jpg

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1173 ms

005_5_1340_c.jpg

005_5_1340_c.jpg

1291 ms

Biology-discoveries.jpg

Biology-discoveries.jpg

1110 ms

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KFOmCnqEu92Fr1Mu4mxP.ttf

17 ms

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23 ms

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57 ms

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57 ms

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57 ms

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1111 ms

fa-solid-900.woff

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1200 ms

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1170 ms

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1187 ms

Blog9-840x420-1.jpg

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1493 ms

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1238 ms

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1164 ms

2redskeletffd08_b.jpg

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1198 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

27 ms

base.js

base.js

52 ms

ad_status.js

ad_status.js

202 ms

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175 ms

embed.js

embed.js

80 ms

id

id

54 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

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49 ms

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48 ms

Create

Create

167 ms

Create

Create

240 ms

GenerateIT

GenerateIT

18 ms

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GenerateIT

15 ms

Accessibility Review

darcythompson.org accessibility score

94

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

Links do not have a discernible name

Best Practices

darcythompson.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

darcythompson.org SEO score

100

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

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 Darcythompson.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 Darcythompson.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

darcythompson.org

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