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lean.org screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

lean.org

Lean Enterprise Institute | Learn Lean Thinking & Practice

Page Load Speed

3.4 sec in total

First Response

76 ms

Resources Loaded

2.6 sec

Page Rendered

696 ms

lean.org screenshot

About Website

Click here to check amazing Lean content for United States. Otherwise, check out these important facts you probably never knew about lean.org

Lean Enterprise Institute is a non-profit dedicated to spreading Lean Thinking & Practice through education, partnerships, and community.

Visit lean.org

Key Findings

We analyzed Lean.org page load time and found that the first response time was 76 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lean.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value3,270 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

lean.org

76 ms

www.lean.org

1628 ms

gtm.js

161 ms

bat.js

76 ms

style.css

31 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 76% of them (70 requests) were addressed to the original Lean.org, 3% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Bat.bing.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Lean.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.8 kB (9%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lean.org main page is 2.4 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 81.7 kB

  • Original 101.3 kB
  • After minification 91.7 kB
  • After compression 19.7 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 81.7 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 100.0 kB

  • Original 2.0 MB
  • After minification 1.9 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. Lean images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 21.0 kB

  • Original 206.0 kB
  • After minification 206.0 kB
  • After compression 185.0 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.

CSS Optimization

-22%

Potential reduce by 20.1 kB

  • Original 89.6 kB
  • After minification 89.6 kB
  • After compression 69.5 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. Lean.org needs all CSS files to be minified and compressed as it can save up to 20.1 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (59%)

Requests Now

85

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lean. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lean.org

lean.org

76 ms

www.lean.org

www.lean.org

1628 ms

gtm.js

gtm.js

161 ms

bat.js

bat.js

76 ms

style.css

style.css

31 ms

bootstrap.css

bootstrap.css

49 ms

style.min.css

style.min.css

64 ms

cookie-law-info-public.css

cookie-law-info-public.css

48 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

44 ms

style.css

style.css

51 ms

slick.css

slick.css

66 ms

all.min.css

all.min.css

73 ms

checkout-blocks.css

checkout-blocks.css

72 ms

awdr_style.css

awdr_style.css

73 ms

woocommerce.css

woocommerce.css

78 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

77 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

82 ms

wp-polyfill.min.js

wp-polyfill.min.js

85 ms

hooks.min.js

hooks.min.js

83 ms

w.js

w.js

82 ms

jquery.min.js

jquery.min.js

90 ms

jquery-migrate.min.js

jquery-migrate.min.js

87 ms

cookie-law-info-public.js

cookie-law-info-public.js

88 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

102 ms

add-to-cart.min.js

add-to-cart.min.js

103 ms

js.cookie.min.js

js.cookie.min.js

132 ms

woocommerce.min.js

woocommerce.min.js

130 ms

geoloc.js

geoloc.js

103 ms

wc-blocks.css

wc-blocks.css

132 ms

js

js

418 ms

i18n.min.js

i18n.min.js

132 ms

main.js

main.js

142 ms

sourcebuster.min.js

sourcebuster.min.js

144 ms

order-attribution.min.js

order-attribution.min.js

144 ms

site_main.js

site_main.js

148 ms

awdr-dynamic-price.js

awdr-dynamic-price.js

148 ms

site.js

site.js

151 ms

slick.min.js

slick.min.js

149 ms

jquery.hoverIntent.min.js

jquery.hoverIntent.min.js

151 ms

awdr_pro.js

awdr_pro.js

186 ms

7106803.js

7106803.js

198 ms

187019476.js

187019476.js

120 ms

g.gif

g.gif

334 ms

lei-logo.svg

lei-logo.svg

294 ms

search-white.svg

search-white.svg

304 ms

search.svg

search.svg

302 ms

fallback-article-150x55.jpg

fallback-article-150x55.jpg

297 ms

healthcare_AI_illustration-150x55.jpg

healthcare_AI_illustration-150x55.jpg

301 ms

link-out-white.svg

link-out-white.svg

299 ms

managing-to-learn-cover-150x169.png

managing-to-learn-cover-150x169.png

307 ms

A3kit-spreadout-web-150x167.jpg

A3kit-spreadout-web-150x167.jpg

310 ms

AI-person-connecting.png

AI-person-connecting.png

318 ms

Hoshin-workshop.jpg

Hoshin-workshop.jpg

313 ms

select-down.svg

select-down.svg

305 ms

go-disabled.svg

go-disabled.svg

309 ms

fallback-article.jpg

fallback-article.jpg

315 ms

fallback-podcast-375x137.jpg

fallback-podcast-375x137.jpg

312 ms

agile-375x137.jpg

agile-375x137.jpg

313 ms

LTF_2023-375x220.png

LTF_2023-375x220.png

315 ms

managing-to-learn-cover-375x421.png

managing-to-learn-cover-375x421.png

321 ms

learning-to-see-cover-375x475.png

learning-to-see-cover-375x475.png

318 ms

everthing-i-learned-about-lean-first-grade-cover-375x563.jpg

everthing-i-learned-about-lean-first-grade-cover-375x563.jpg

320 ms

Lean-Lexicon-5th-edition-cover-375x494.png

Lean-Lexicon-5th-edition-cover-375x494.png

321 ms

Managing-to-learn-training-session-at-neqca-triad1-scaled.jpg

Managing-to-learn-training-session-at-neqca-triad1-scaled.jpg

331 ms

LEI-Colearning-Partners-LCHC-scaled.jpg

LEI-Colearning-Partners-LCHC-scaled.jpg

331 ms

link-out.svg

link-out.svg

321 ms

20181229060429TechnipFMC_PLC_Logo.jpg

20181229060429TechnipFMC_PLC_Logo.jpg

323 ms

Lynn-community-health-centerlogo.png

Lynn-community-health-centerlogo.png

323 ms

microsoft-logo.jpg

microsoft-logo.jpg

313 ms

pella_dotlogo.png

pella_dotlogo.png

317 ms

ge_logo.png

ge_logo.png

318 ms

fc51d03b-0d7d-45df-9415-3c6270c80749.woff

fc51d03b-0d7d-45df-9415-3c6270c80749.woff

308 ms

d64e7bbc-e9ea-46ad-982c-6195ae4a3c61.woff

d64e7bbc-e9ea-46ad-982c-6195ae4a3c61.woff

309 ms

05a79c4b-9e9d-46e4-9d4b-610be05371c4.woff

05a79c4b-9e9d-46e4-9d4b-610be05371c4.woff

310 ms

ea880276-dfca-4a2a-a7ce-3d597e85112a.woff

ea880276-dfca-4a2a-a7ce-3d597e85112a.woff

311 ms

js

js

319 ms

analytics.js

analytics.js

313 ms

fa-brands-400.woff

fa-brands-400.woff

76 ms

187019476

187019476

235 ms

banner.js

banner.js

209 ms

collectedforms.js

collectedforms.js

264 ms

web-interactives-embed.js

web-interactives-embed.js

268 ms

fb.js

fb.js

233 ms

leadflows.js

leadflows.js

241 ms

7106803.js

7106803.js

280 ms

conversations-embed.js

conversations-embed.js

267 ms

collect

collect

30 ms

print.css

print.css

30 ms

collect

collect

44 ms

clarity.js

clarity.js

33 ms

ga-audiences

ga-audiences

29 ms

c.gif

c.gif

7 ms

Accessibility Review

lean.org accessibility score

95

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

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

lean.org best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

lean.org SEO score

86

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

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

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 Lean.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 Lean.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

lean.org

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