Tools & Wizards About Us
ask.lef.org screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ask.lef.org

Vitamins and Supplements Rooted in Science - Life Extension

Page Load Speed

4.4 sec in total

First Response

273 ms

Resources Loaded

3 sec

Page Rendered

1.1 sec

ask.lef.org screenshot

About Website

Visit ask.lef.org now to see the best up-to-date Ask Lef content for United States and also check out these interesting facts you probably never knew about ask.lef.org

Get clinically-studied, premium vitamins and supplements and lab tests from the people who’ve spent 40 years passionately pursuing healthy living.

Visit ask.lef.org

Key Findings

We analyzed Ask.lef.org page load time and found that the first response time was 273 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ask.lef.org performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value5,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

ask.lef.org

273 ms

www.lifeextension.com

439 ms

otSDKStub.js

56 ms

i.js

178 ms

lef.foundation.theming.min.css

33 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ask.lef.org, 88% (111 requests) were made to Lifeextension.com and 2% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Lifeextension.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 857.2 kB (36%)

Content Size

2.4 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ask.lef.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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 335.9 kB

  • Original 389.1 kB
  • After minification 342.1 kB
  • After compression 53.3 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. This page needs HTML code to be minified as it can gain 47.0 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 335.9 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 312 B

  • Original 1.1 MB
  • After minification 1.1 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. Ask Lef images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 418.9 kB

  • Original 744.6 kB
  • After minification 743.9 kB
  • After compression 325.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 418.9 kB or 56% of the original size.

CSS Optimization

-72%

Potential reduce by 102.1 kB

  • Original 142.3 kB
  • After minification 142.2 kB
  • After compression 40.2 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. Ask.lef.org needs all CSS files to be minified and compressed as it can save up to 102.1 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (47%)

Requests Now

118

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ask Lef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ask.lef.org

ask.lef.org

273 ms

www.lifeextension.com

www.lifeextension.com

439 ms

otSDKStub.js

otSDKStub.js

56 ms

i.js

i.js

178 ms

lef.foundation.theming.min.css

lef.foundation.theming.min.css

33 ms

lefdefault.head.min.css

lefdefault.head.min.css

51 ms

article.inline.min.css

article.inline.min.css

43 ms

keen-slider.min.css

keen-slider.min.css

61 ms

sidemenunav.min.css

sidemenunav.min.css

47 ms

js

js

200 ms

coveosearchbox.min.css

coveosearchbox.min.css

111 ms

coveoforsitecore.css

coveoforsitecore.css

31 ms

dtag.js

dtag.js

204 ms

attentive.min.js

attentive.min.js

109 ms

lef.foundation.theming.head.min.js

lef.foundation.theming.head.min.js

142 ms

user.min.js

user.min.js

154 ms

identity.min.css

identity.min.css

153 ms

genesyschat.min.js

genesyschat.min.js

178 ms

m=bootstrap

m=bootstrap

187 ms

lef.foundation.theming.body.min.js

lef.foundation.theming.body.min.js

178 ms

querystring.min.js

querystring.min.js

206 ms

location.min.js

location.min.js

205 ms

polyfill.min.js

polyfill.min.js

431 ms

lazyresource.min.js

lazyresource.min.js

205 ms

contentpromotionconfigurable.min.js

contentpromotionconfigurable.min.js

206 ms

keen-slider.js

keen-slider.js

106 ms

emailsignuprequestprocessor.min.js

emailsignuprequestprocessor.min.js

205 ms

datalayer.min.js

datalayer.min.js

206 ms

productlistingstructureddata.min.js

productlistingstructureddata.min.js

292 ms

productcollection.min.js

productcollection.min.js

292 ms

ledropdown.min.js

ledropdown.min.js

291 ms

addtocart.min.js

addtocart.min.js

292 ms

videoautoplaymodal.min.js

videoautoplaymodal.min.js

291 ms

sidemenunavigation.min.js

sidemenunavigation.min.js

291 ms

productfloatingcart.min.js

productfloatingcart.min.js

293 ms

headernavbar.min.js

headernavbar.min.js

293 ms

navigation.min.js

navigation.min.js

297 ms

myoffers.min.js

myoffers.min.js

291 ms

WXI

WXI

302 ms

e7ef1c5b-b3be-41f4-bcdc-684d7aabe46d.json

e7ef1c5b-b3be-41f4-bcdc-684d7aabe46d.json

120 ms

6ATDB-5QJ8H-JBH7X-ESPYW-MCAAV

6ATDB-5QJ8H-JBH7X-ESPYW-MCAAV

171 ms

le-logo-svg.svg

le-logo-svg.svg

196 ms

ftr-consumerlab-seal-2021.png

ftr-consumerlab-seal-2021.png

199 ms

nc_4ofjuly_hp.gif

nc_4ofjuly_hp.gif

203 ms

offers.png

offers.png

198 ms

02528_veganprocollagen_tilead.jpg

02528_veganprocollagen_tilead.jpg

200 ms

skin_care_article.jpg

skin_care_article.jpg

203 ms

nc_02425_immunepacks_ad.jpg

nc_02425_immunepacks_ad.jpg

204 ms

vegetarian_vegan_page.jpg

vegetarian_vegan_page.jpg

203 ms

chevron-down.png

chevron-down.png

205 ms

wellness_specialist.svg

wellness_specialist.svg

264 ms

wellness_specialist.svg

wellness_specialist.svg

267 ms

jul2024_cover_large.jpg

jul2024_cover_large.jpg

273 ms

roboto-bold-webfont.woff2

roboto-bold-webfont.woff2

173 ms

roboto-medium-webfont.woff2

roboto-medium-webfont.woff2

234 ms

roboto-regular-webfont.woff2

roboto-regular-webfont.woff2

219 ms

location

location

144 ms

roboto-light-webfont.woff2

roboto-light-webfont.woff2

217 ms

gtm.js

gtm.js

149 ms

uniform.optimize.min.js

uniform.optimize.min.js

196 ms

facebook_inverse.svg

facebook_inverse.svg

189 ms

instagram_inverse.svg

instagram_inverse.svg

187 ms

youtube_inverse.svg

youtube_inverse.svg

169 ms

tiktok_inverse.svg

tiktok_inverse.svg

171 ms

twitter_x_inversed.svg

twitter_x_inversed.svg

172 ms

pinterest_inverse.svg

pinterest_inverse.svg

172 ms

linked_in_inverse.svg

linked_in_inverse.svg

173 ms

otBannerSdk.js

otBannerSdk.js

75 ms

config.json

config.json

244 ms

lef.ttf

lef.ttf

243 ms

OffersNotification

OffersNotification

140 ms

vegan-pro-collagen_srchbann.jpg

vegan-pro-collagen_srchbann.jpg

35 ms

nc_labtest_side_hp.jpg

nc_labtest_side_hp.jpg

37 ms

02314.png

02314.png

53 ms

00700.png

00700.png

251 ms

02397.png

02397.png

36 ms

02407.png

02407.png

145 ms

01982.png

01982.png

146 ms

01689.png

01689.png

53 ms

01514.png

01514.png

379 ms

01918.png

01918.png

230 ms

02070.png

02070.png

1270 ms

00954.png

00954.png

355 ms

01647.png

01647.png

261 ms

01868.png

01868.png

264 ms

01431.png

01431.png

390 ms

premier_rewards.svg

premier_rewards.svg

291 ms

premier_rewards.svg

premier_rewards.svg

282 ms

autoship_save.svg

autoship_save.svg

321 ms

autoship_save.svg

autoship_save.svg

308 ms

hormone_balance.svg

hormone_balance.svg

345 ms

kidney_bladder_urinary_health.svg

kidney_bladder_urinary_health.svg

390 ms

anti_aging_longevity.svg

anti_aging_longevity.svg

424 ms

glucose_management.svg

glucose_management.svg

535 ms

digestive_health.svg

digestive_health.svg

403 ms

02348.png

02348.png

411 ms

supplement_quiz_main.svg

supplement_quiz_main.svg

416 ms

supplement_quiz_main.svg

supplement_quiz_main.svg

425 ms

coq10-vs-nad_promo.jpg

coq10-vs-nad_promo.jpg

464 ms

high-protein-salad-recipes_promo.jpg

high-protein-salad-recipes_promo.jpg

522 ms

alpha-lipoic-acid-benefits_promo.jpg

alpha-lipoic-acid-benefits_promo.jpg

552 ms

which-vitamin-deficiencies-causes-hair-fall_promo.jpg

which-vitamin-deficiencies-causes-hair-fall_promo.jpg

535 ms

digestive_health.svg

digestive_health.svg

483 ms

liver_health_detoxification.svg

liver_health_detoxification.svg

626 ms

pet_health.svg

pet_health.svg

539 ms

kidney_bladder_health.svg

kidney_bladder_health.svg

546 ms

hearing_loss.svg

hearing_loss.svg

520 ms

health_basics.svg

health_basics.svg

524 ms

le_ebooks.svg

le_ebooks.svg

518 ms

le_newsletter.svg

le_newsletter.svg

544 ms

health_news.svg

health_news.svg

636 ms

ftr-securetrust-seal.png

ftr-securetrust-seal.png

439 ms

ftr-consumerlab-seal-2023.png

ftr-consumerlab-seal-2023.png

441 ms

ftr-le-seal.png

ftr-le-seal.png

446 ms

ftr-guranteed-seal.png

ftr-guranteed-seal.png

376 ms

21972-312_soc_noncpa.svg

21972-312_soc_noncpa.svg

367 ms

ajax-loader.gif

ajax-loader.gif

368 ms

article.min.css

article.min.css

14 ms

lefdefault.body.min.css

lefdefault.body.min.css

14 ms

promotion.min.css

promotion.min.css

15 ms

navigation.min.css

navigation.min.css

18 ms

carousel.min.css

carousel.min.css

35 ms

prodreviews.min.css

prodreviews.min.css

15 ms

product.min.css

product.min.css

14 ms

pagecontent.min.css

pagecontent.min.css

18 ms

headernavbar.body.min.css

headernavbar.body.min.css

14 ms

Accessibility Review

ask.lef.org accessibility score

100

Accessibility Issues

Best Practices

ask.lef.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

ask.lef.org SEO score

83

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

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 Ask.lef.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 Ask.lef.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

ask.lef.org

Open Graph description is not detected on the main page of Ask Lef. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: