2.7 sec in total
323 ms
1.8 sec
648 ms
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.orgWe analyzed Leafscience.org page load time and found that the first response time was 323 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.
leafscience.org performance score
name
value
score
weighting
Value2.3 s
75/100
10%
Value10.0 s
0/100
25%
Value20.1 s
0/100
10%
Value22,760 ms
0/100
30%
Value0
100/100
15%
Value30.7 s
0/100
10%
323 ms
155 ms
168 ms
82 ms
84 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, 7% (5 requests) were made to I.ytimg.com and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (983 ms) relates to the external source Lifespan.io.
Page size can be reduced by 429.5 kB (10%)
4.5 MB
4.1 MB
In fact, the total size of Leafscience.org main page is 4.5 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. 85% 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 4.1 MB which makes up the majority of the site volume.
Potential reduce by 177.6 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. 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 177.6 kB or 82% of the original size.
Potential reduce by 248.8 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.
Potential reduce by 893 B
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.
Potential reduce by 2.2 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. Leafscience.org has all CSS files already compressed.
Number of requests can be reduced by 17 (31%)
54
37
The browser has sent 54 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 11 to 1 for JavaScripts and as a result speed up the page load time.
www.lifespan.io
323 ms
jquery.min.js
155 ms
gtm.js
168 ms
institution-ico.png
82 ms
dummy.png
84 ms
yt-play.png
83 ms
671438118d5e8e8094d17cca4fefc3c2.css
316 ms
subset-Lato-Regular.woff
181 ms
subset-Lato-Bold.woff
207 ms
theme-icons.ttf
171 ms
icomoon-social.ttf
83 ms
icons.ttf
115 ms
RobotoCondensed-Regular.woff
205 ms
RobotoCondensed-Light.woff
249 ms
RobotoCondensed-Bold.woff
371 ms
email-decode.min.js
173 ms
lazyload.min.js
218 ms
dmedianet.js
140 ms
8f18c14b67899e8c5ece098b09fbea2b.js
344 ms
conversion_async.js
152 ms
DroidSans.woff
408 ms
DroidSans-Bold.woff
430 ms
maxresdefault.jpg
393 ms
659 ms
maxresdefault.jpg
379 ms
maxresdefault.jpg
687 ms
maxresdefault.jpg
393 ms
maxresdefault.jpg
380 ms
LifespanHeaderLogo.jpg
278 ms
Mouse-test-745x396.png
363 ms
Journal-Club-2020-745x396.jpg
278 ms
ground-coffee-745x396.png
392 ms
September_2020-745x396.jpg
359 ms
Interview_Bischof-745x396.jpg
383 ms
Methuselahs-Zoo-745x396.png
683 ms
Microplastics-745x396.png
686 ms
Fat-rat-745x396.png
711 ms
Longevity.jpg
683 ms
Rejuvenation-Startup-Summit.png
712 ms
Magnitude-Biosciences-745x396.png
653 ms
Joppe-Nieuwenhuis-745x396.png
768 ms
Longevity-Summit-Dublin-745x396.png
768 ms
wearable-device-745x396.png
765 ms
Brain-genes-745x396.png
800 ms
B-cells-745x396.png
906 ms
LSN-Multivitamins-Cognition-745x396.jpg
707 ms
Lifestyle_800_Tekengebied_1.jpg
834 ms
Supplements_800_Tekengebied_1.jpg
909 ms
Biology_800_Tekengebied_1.jpg
905 ms
Finance_800_Tekengebied_1.jpg
906 ms
Advocacy-800_Tekengebied_1.jpg
934 ms
RR2-2.jpg
983 ms
css
372 ms
pubads_impl_2022080101.js
326 ms
ppub_config
467 ms
like.php
419 ms
follow_button.2d7d9a6d04538bf11c7b23641e75738c.en.html
474 ms
css
396 ms
institution-ico.png
409 ms
bg_footer.jpg
427 ms
y0nKkSF-7dG.js
195 ms
FEppCFCt76d.png
264 ms
jot
347 ms
info.json
362 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
225 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
274 ms
KFOlCnqEu92Fr1MmSU5fBBc9.ttf
329 ms
KFOlCnqEu92Fr1MmWUlfBBc9.ttf
353 ms
wARDj0u
58 ms
260 ms
leafscience.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
leafscience.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
leafscience.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
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.
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: