Tools & Wizards About Us
leafscience.org screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

leafscience.org

The latest longevity, life extension, and rejuvenation news.

Page Load Speed

1.7 sec in total

First Response

176 ms

Resources Loaded

1.3 sec

Page Rendered

223 ms

leafscience.org screenshot

About Website

Click here to check amazing Leafscience content for Finland. Otherwise, check out these important facts you probably never knew about leafscience.org

Our mission is to promote the advancement of biomedical technologies which will increase healthy human lifespan and eliminate age-related diseases.

Visit leafscience.org

Key Findings

We analyzed Leafscience.org page load time and found that the first response time was 176 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

leafscience.org performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

www.lifespan.io

176 ms

jquery.min.js

35 ms

autoptimize_single_d46bd75a426fafa1bafdc5f81d7f084b.js

28 ms

autoptimize_single_a3253ce7dec731477abdc327f2e4e560.js

201 ms

dist_flickity.pkgd.js

83 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Leafscience.org, 3% (2 requests) were made to I.ytimg.com and 1% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (609 ms) relates to the external source Lifespan.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.5 kB (46%)

Content Size

952.5 kB

After Optimization

515.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Leafscience.org main page is 952.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. HTML takes 609.2 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 437.2 kB

  • Original 609.2 kB
  • After minification 609.1 kB
  • After compression 172.0 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 437.2 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 251.6 kB
  • After minification 251.6 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. Leafscience images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 330 B

  • Original 91.7 kB
  • After minification 91.7 kB
  • After compression 91.4 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 11 (19%)

Requests Now

59

After Optimization

48

  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leafscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.lifespan.io

www.lifespan.io

176 ms

jquery.min.js

jquery.min.js

35 ms

autoptimize_single_d46bd75a426fafa1bafdc5f81d7f084b.js

autoptimize_single_d46bd75a426fafa1bafdc5f81d7f084b.js

28 ms

autoptimize_single_a3253ce7dec731477abdc327f2e4e560.js

autoptimize_single_a3253ce7dec731477abdc327f2e4e560.js

201 ms

dist_flickity.pkgd.js

dist_flickity.pkgd.js

83 ms

email-decode.min.js

email-decode.min.js

78 ms

autoptimize_single_2d5b144af562e9db62d4152f88596232.js

autoptimize_single_2d5b144af562e9db62d4152f88596232.js

94 ms

flying-pages.min.js

flying-pages.min.js

81 ms

autoptimize_single_89ec156599d5f5854e332c639c3d1c7f.js

autoptimize_single_89ec156599d5f5854e332c639c3d1c7f.js

80 ms

autoptimize_single_76d1bb0512072c90aa813bc9bf5f76b7.js

autoptimize_single_76d1bb0512072c90aa813bc9bf5f76b7.js

194 ms

autoptimize_single_3917f4d65a8a6a7b491ecd9b5bff3188.js

autoptimize_single_3917f4d65a8a6a7b491ecd9b5bff3188.js

194 ms

autoptimize_single_e65d664c4c385e09a431a1064405eca7.js

autoptimize_single_e65d664c4c385e09a431a1064405eca7.js

193 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

194 ms

maxresdefault.jpg

maxresdefault.jpg

169 ms

maxresdefault.jpg

maxresdefault.jpg

162 ms

lifespan-logo-e1710949153210.webp

lifespan-logo-e1710949153210.webp

127 ms

institution-ico.png

institution-ico.png

125 ms

Slider_2500x350_new_2023_Tekengebied_1_Tekengebied_1_Tekengebied_1_Tekengebied_1-scaled-e1695407691798.webp

Slider_2500x350_new_2023_Tekengebied_1_Tekengebied_1_Tekengebied_1_Tekengebied_1-scaled-e1695407691798.webp

161 ms

EVERYTHING-YOU-NEED-TO-KNOW-1-400x200.png.webp

EVERYTHING-YOU-NEED-TO-KNOW-1-400x200.png.webp

236 ms

DNA-hourglass-373x198.jpg.webp

DNA-hourglass-373x198.jpg.webp

235 ms

Aged-skin-373x198.jpg.webp

Aged-skin-373x198.jpg.webp

232 ms

Lab-mouse-558x296.jpg.webp

Lab-mouse-558x296.jpg.webp

240 ms

Weekend-backpackers-558x296.jpg.webp

Weekend-backpackers-558x296.jpg.webp

234 ms

Osteoporosis-558x296.jpg.webp

Osteoporosis-558x296.jpg.webp

246 ms

Newsletter_Tekengebied_1-scaled.webp

Newsletter_Tekengebied_1-scaled.webp

243 ms

Manuka-tree-558x296.jpg.webp

Manuka-tree-558x296.jpg.webp

351 ms

Alopecia-558x296.jpg.webp

Alopecia-558x296.jpg.webp

345 ms

shutterstock_2467574429-558x296.jpg.webp

shutterstock_2467574429-558x296.jpg.webp

346 ms

Diamandis_Tekengebied_1-e1724091250805-373x198.png.webp

Diamandis_Tekengebied_1-e1724091250805-373x198.png.webp

354 ms

Tricky-balance-373x198.jpg.webp

Tricky-balance-373x198.jpg.webp

352 ms

yt-play.png.webp

yt-play.png.webp

368 ms

Michael-Antonov-Interview-373x198.jpg.webp

Michael-Antonov-Interview-373x198.jpg.webp

491 ms

Longevity-Summit-Dublin-2024-373x198.png.webp

Longevity-Summit-Dublin-2024-373x198.png.webp

457 ms

Hevolution-CEO-373x198.png.webp

Hevolution-CEO-373x198.png.webp

469 ms

Epigenetic-reprogramming-373x198.jpg.webp

Epigenetic-reprogramming-373x198.jpg.webp

461 ms

shutterstock_391613395-373x198.jpg.webp

shutterstock_391613395-373x198.jpg.webp

474 ms

DNA-373x198.png.webp

DNA-373x198.png.webp

477 ms

niacin-foods-373x198.jpg.webp

niacin-foods-373x198.jpg.webp

575 ms

Peppers-279x148.jpg.webp

Peppers-279x148.jpg.webp

574 ms

RRoadmap_Tekengebied_1-scaled.webp

RRoadmap_Tekengebied_1-scaled.webp

486 ms

LEvents_Calendar_Tekengebied_1-scaled.webp

LEvents_Calendar_Tekengebied_1-scaled.webp

490 ms

subset-Lato-Regular.woff

subset-Lato-Regular.woff

549 ms

subset-Lato-Bold.woff

subset-Lato-Bold.woff

559 ms

International-Institute-of-Longevity-279x148.png.webp

International-Institute-of-Longevity-279x148.png.webp

609 ms

Timepie-279x148.png.webp

Timepie-279x148.png.webp

596 ms

LWF-Alicante-279x148.png.webp

LWF-Alicante-279x148.png.webp

555 ms

RobotoCondensed-Regular.woff

RobotoCondensed-Regular.woff

465 ms

wARDj0u

wARDj0u

1 ms

RobotoCondensed-Light.woff

RobotoCondensed-Light.woff

538 ms

RobotoCondensed-Bold.woff

RobotoCondensed-Bold.woff

469 ms

DroidSans-Bold.woff

DroidSans-Bold.woff

474 ms

DroidSans.woff

DroidSans.woff

492 ms

icons.ttf

icons.ttf

492 ms

theme-icons.ttf

theme-icons.ttf

481 ms

InsideTracker-logo-373x198.png.webp

InsideTracker-logo-373x198.png.webp

563 ms

Donate-QR--256x256.png.webp

Donate-QR--256x256.png.webp

499 ms

unnamed-e1711625299668.png.webp

unnamed-e1711625299668.png.webp

497 ms

Angel-Protocol-e1711625351683.jpg.webp

Angel-Protocol-e1711625351683.jpg.webp

500 ms

LBF-Logo-e1711625414305.webp

LBF-Logo-e1711625414305.webp

442 ms

Rejuveron-Life-Sciences-AG-e1711625497204.png.webp

Rejuveron-Life-Sciences-AG-e1711625497204.png.webp

533 ms

Healthspan-Action-e1711627668210.png.webp

Healthspan-Action-e1711627668210.png.webp

545 ms

312802187_110942278485212_1175780571759000703_n-e1711632779849.jpg.webp

312802187_110942278485212_1175780571759000703_n-e1711632779849.jpg.webp

585 ms

GTC-Full-Dark4x-e1711641662853.png.webp

GTC-Full-Dark4x-e1711641662853.png.webp

503 ms

A4LI-logo-e1711642961365.png.webp

A4LI-logo-e1711642961365.png.webp

498 ms

ColliderHealthlogoBOLD-e1711643104307.jpg.webp

ColliderHealthlogoBOLD-e1711643104307.jpg.webp

501 ms

download-e1711643205770.png.webp

download-e1711643205770.png.webp

538 ms

Methuselah-Foundation-e1711643252847.webp

Methuselah-Foundation-e1711643252847.webp

449 ms

AgeMeter_Logo_Black-scaled-e1711643335460.jpg.webp

AgeMeter_Logo_Black-scaled-e1711643335460.jpg.webp

547 ms

SENS-e1711643369151.png.webp

SENS-e1711643369151.png.webp

493 ms

bg_footer.jpg

bg_footer.jpg

399 ms

Accessibility Review

leafscience.org accessibility score

96

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

leafscience.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

leafscience.org SEO score

92

Search Engine Optimization Advices

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 Leafscience.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 Leafscience.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

leafscience.org

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