885 ms in total
171 ms
503 ms
211 ms
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Life Extension is a global authority on health, wellness and nutrition as well as a respected provider of scientific information on disease prevention. We supply only the highest quality premium grade...
Visit ww2.lef.orgWe analyzed Ww2.lef.org page load time and found that the first response time was 171 ms and then it took 714 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
ww2.lef.org performance score
name
value
score
weighting
Value0.9 s
100/100
10%
Value1.1 s
100/100
25%
Value0.9 s
100/100
10%
Value0 ms
100/100
30%
Value0.004
100/100
15%
Value0.9 s
100/100
10%
171 ms
63 ms
110 ms
46 ms
64 ms
Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original Ww2.lef.org, 33% (2 requests) were made to Sdc.lef.org. The less responsive or slowest element that took the longest time to load (230 ms) relates to the external source Sdc.lef.org.
Page size can be reduced by 10.6 kB (76%)
14.0 kB
3.4 kB
In fact, the total size of Ww2.lef.org main page is 14.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 14.0 kB which makes up the majority of the site volume.
Potential reduce by 10.6 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 30% 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 10.6 kB or 76% of the original size.
We found no issues to fix!
3
3
The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ww 2 Lef. According to our analytics all requests are already optimized.
ww2.lef.org
171 ms
global.css
63 ms
logo_lg.gif
110 ms
header_server_maintenance.gif
46 ms
dcs.gif
64 ms
sdc.lef.org
230 ms
ww2.lef.org accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
ww2.lef.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
ww2.lef.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ww2.lef.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ww2.lef.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
ww2.lef.org
Open Graph description is not detected on the main page of Ww 2 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: