Tools & Wizards About Us
lef.org screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

lef.org

Vitamins and Supplements Rooted in Science - Life Extension

Page Load Speed

5.3 sec in total

First Response

71 ms

Resources Loaded

4.5 sec

Page Rendered

771 ms

lef.org screenshot

About Website

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

Key Findings

We analyzed Lef.org page load time and found that the first response time was 71 ms and then it took 5.2 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

lef.org performance score

0

Network Requests Diagram

www.lef.org

71 ms

www.lifeextension.com

543 ms

VisitorIdentification.js

65 ms

main.lef.min.css

386 ms

font-awesome.min.css

120 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Lef.org, 56% (70 requests) were made to Lifeextension.com and 7% (9 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Lifeextension.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (40%)

Content Size

3.6 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lef.org main page is 3.6 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. 75% 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 226.8 kB

  • Original 248.8 kB
  • After minification 111.4 kB
  • After compression 22.0 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. This page needs HTML code to be minified as it can gain 137.4 kB, which is 55% 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 226.8 kB or 91% of the original size.

Image Optimization

-4%

Potential reduce by 63.3 kB

  • Original 1.8 MB
  • After minification 1.7 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. Lef images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 448.9 kB

  • Original 803.4 kB
  • After minification 802.7 kB
  • After compression 354.5 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 448.9 kB or 56% of the original size.

CSS Optimization

-84%

Potential reduce by 700.4 kB

  • Original 834.1 kB
  • After minification 833.3 kB
  • After compression 133.7 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. Lef.org needs all CSS files to be minified and compressed as it can save up to 700.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (50%)

Requests Now

103

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lef.org

www.lef.org

71 ms

www.lifeextension.com

www.lifeextension.com

543 ms

VisitorIdentification.js

VisitorIdentification.js

65 ms

main.lef.min.css

main.lef.min.css

386 ms

font-awesome.min.css

font-awesome.min.css

120 ms

animation.css

animation.css

176 ms

third.lef.min.js

third.lef.min.js

219 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

37 ms

header.lef.min.js

header.lef.min.js

94 ms

CoveoJsSearch.Dependencies.min.js

CoveoJsSearch.Dependencies.min.js

171 ms

CoveoJsSearch_SearchBox.min.js

CoveoJsSearch_SearchBox.min.js

299 ms

pr_styles_review.css

pr_styles_review.css

100 ms

frameworks.lef.min.js

frameworks.lef.min.js

132 ms

addtocart.lef.min.js

addtocart.lef.min.js

154 ms

mobile-detect.min.js

mobile-detect.min.js

9 ms

ld.js

ld.js

26 ms

element.js

element.js

49 ms

oct.js

oct.js

60 ms

app.lef.min.js

app.lef.min.js

139 ms

main.lef.min.css

main.lef.min.css

1293 ms

analytics.js

analytics.js

36 ms

fbevents.js

fbevents.js

31 ms

29 ms

lelogo-mobile.png

lelogo-mobile.png

75 ms

leflogo_stayhealthy.ashx

leflogo_stayhealthy.ashx

2147 ms

feboverstock_sale_banner.ashx

feboverstock_sale_banner.ashx

165 ms

icon_NavVitamins.ashx

icon_NavVitamins.ashx

1121 ms

mag2016_03.ashx

mag2016_03.ashx

737 ms

iconhealthconcerns.ashx

iconhealthconcerns.ashx

165 ms

aboutUsMainNavImg.ashx

aboutUsMainNavImg.ashx

201 ms

hp_subnavAd_shopHealth.ashx

hp_subnavAd_shopHealth.ashx

201 ms

hp_subnavAd_vitamins.ashx

hp_subnavAd_vitamins.ashx

272 ms

hp_subnavAd_supplements.ashx

hp_subnavAd_supplements.ashx

935 ms

hp_subnavAd_herbs.ashx

hp_subnavAd_herbs.ashx

515 ms

hp_subnavAd_horomones.ashx

hp_subnavAd_horomones.ashx

734 ms

hp_subnavAd_skinCare.ashx

hp_subnavAd_skinCare.ashx

973 ms

hp_subnavAd_diet.ashx

hp_subnavAd_diet.ashx

1387 ms

16_GS_Skincare_Mainsite_Hero.ashx

16_GS_Skincare_Mainsite_Hero.ashx

1397 ms

FebOverstock_2016_Mainsite_Hero.ashx

FebOverstock_2016_Mainsite_Hero.ashx

1367 ms

HPhero_Inflamation_Curcumin_01.ashx

HPhero_Inflamation_Curcumin_01.ashx

1366 ms

LE_Premier_Hero_LearnMore.ashx

LE_Premier_Hero_LearnMore.ashx

1568 ms

img_01907_small.ashx

img_01907_small.ashx

1941 ms

img_00407_small.ashx

img_00407_small.ashx

1407 ms

img_01713_small.ashx

img_01713_small.ashx

1440 ms

img_02014_small.ashx

img_02014_small.ashx

1986 ms

img_01982_small.ashx

img_01982_small.ashx

1475 ms

img_01426_small.ashx

img_01426_small.ashx

1492 ms

horizontal_banner_DRTV_02.ashx

horizontal_banner_DRTV_02.ashx

1584 ms

subFeature_newProducts.ashx

subFeature_newProducts.ashx

1544 ms

subFeature_shopBestSellers.ashx

subFeature_shopBestSellers.ashx

1764 ms

subFeature_Top12_v2.ashx

subFeature_Top12_v2.ashx

1862 ms

Video_SuperDigestiveEnzymes_01.ashx

Video_SuperDigestiveEnzymes_01.ashx

2029 ms

dailynewsimg_nutrition

dailynewsimg_nutrition

2011 ms

dailynewsimg_disease

dailynewsimg_disease

2065 ms

dailynewsimg_aging

dailynewsimg_aging

2051 ms

art_whot_160314_home.ashx

art_whot_160314_home.ashx

2093 ms

hg_home_lht_blog_160314.ashx

hg_home_lht_blog_160314.ashx

2060 ms

art_whot_160311_home.ashx

art_whot_160311_home.ashx

2109 ms

709 ms

161 ms

collect

collect

130 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2255 ms

homepage_protocol_Constipation.ashx

homepage_protocol_Constipation.ashx

3042 ms

consumerAlertsFrontline.ashx

consumerAlertsFrontline.ashx

2557 ms

collect

collect

93 ms

consumerAlerts_vitamins.ashx

consumerAlerts_vitamins.ashx

1979 ms

consumerAlerts_research.ashx

consumerAlerts_research.ashx

2019 ms

nyptfTwG32o

nyptfTwG32o

127 ms

consumerAlerts_testtubes.ashx

consumerAlerts_testtubes.ashx

1976 ms

ga-audiences

ga-audiences

54 ms

event

event

35 ms

translateelement.css

translateelement.css

52 ms

main.js

main.js

91 ms

www-embed-player-vflRGs1ko.css

www-embed-player-vflRGs1ko.css

86 ms

www-embed-player.js

www-embed-player.js

120 ms

base.js

base.js

381 ms

adsct

adsct

498 ms

adsct

adsct

283 ms

element_main.js

element_main.js

260 ms

hpBtmAdUnit_DPT.ashx

hpBtmAdUnit_DPT.ashx

2191 ms

Arimo_Normal.woff

Arimo_Normal.woff

1985 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

75 ms

ad_status.js

ad_status.js

115 ms

Arimo_Bold.woff

Arimo_Bold.woff

1535 ms

translate_24dp.png

translate_24dp.png

150 ms

l

l

85 ms

cleardot.gif

cleardot.gif

42 ms

am.png

am.png

1513 ms

ap.png

ap.png

1490 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

103 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

113 ms

te_ctrl3.gif

te_ctrl3.gif

10 ms

bn.png

bn.png

1388 ms

100guaranteedwh.ashx

100guaranteedwh.ashx

1152 ms

nsfsealwh.ashx

nsfsealwh.ashx

1185 ms

font-awesome.min.css

font-awesome.min.css

1241 ms

bbbsealwh.ashx

bbbsealwh.ashx

1215 ms

lequalitysealwh.ashx

lequalitysealwh.ashx

1319 ms

stars_small.png

stars_small.png

1307 ms

sprites.png

sprites.png

1522 ms

ajax-loader.gif

ajax-loader.gif

1239 ms

animation.css

animation.css

87 ms

roundtrip.js

roundtrip.js

10 ms

dis.aspx

dis.aspx

184 ms

ZQ57MKE6QNDJNPSYYHLOMQ.js

ZQ57MKE6QNDJNPSYYHLOMQ.js

52 ms

10 ms

out

out

10 ms

21 ms

out

out

7 ms

out

out

7 ms

out

out

10 ms

out

out

9 ms

out

out

11 ms

out

out

12 ms

out

out

13 ms

u.php

u.php

13 ms

sync

sync

10 ms

adsct

adsct

23 ms

pixel

pixel

47 ms

28 ms

377928.gif

377928.gif

11 ms

sd

sd

13 ms

pixel

pixel

17 ms

in

in

24 ms

SEO Factors

lef.org SEO score

0

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 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 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

lef.org

Open Graph description is not detected on the main page of 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: