Tools & Wizards About Us
leffingwell.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

leffingwell.com

Leffingwell & Associates

Page Load Speed

7.2 sec in total

First Response

294 ms

Resources Loaded

2.3 sec

Page Rendered

4.6 sec

leffingwell.com screenshot

About Website

Welcome to leffingwell.com homepage info - get ready to check Leffingwell best content for India right away, or after learning these important things about leffingwell.com

Leffingwell & Associates. Objective: research and compilation of data on Aromachemistry, Flavors, Flavor Software, Food additives and Essential Oils.

Visit leffingwell.com

Key Findings

We analyzed Leffingwell.com page load time and found that the first response time was 294 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

leffingwell.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value14,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value31.5 s

0/100

10%

Network Requests Diagram

leffingwell.com

294 ms

yeezy.js

773 ms

element.js

45 ms

cardlogos.gif

121 ms

lefflogo.gif

123 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 59% of them (23 requests) were addressed to the original Leffingwell.com, 28% (11 requests) were made to Youtube.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.0 kB (39%)

Content Size

774.8 kB

After Optimization

473.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leffingwell.com main page is 774.8 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. 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. HTML takes 372.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 286.6 kB

  • Original 372.9 kB
  • After minification 320.7 kB
  • After compression 86.3 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 52.2 kB, which is 14% 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 286.6 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 12.3 kB

  • Original 204.8 kB
  • After minification 192.5 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. Leffingwell images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.0 kB

  • Original 138.4 kB
  • After minification 138.4 kB
  • After compression 136.4 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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Leffingwell.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

37

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leffingwell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

leffingwell.com

leffingwell.com

294 ms

yeezy.js

yeezy.js

773 ms

element.js

element.js

45 ms

cardlogos.gif

cardlogos.gif

121 ms

lefflogo.gif

lefflogo.gif

123 ms

bluarrow.gif

bluarrow.gif

123 ms

linkedin.jpg

linkedin.jpg

122 ms

pumpkin.jpg

pumpkin.jpg

148 ms

4819.gif

4819.gif

123 ms

4822.gif

4822.gif

121 ms

4824.gif

4824.gif

123 ms

4825.gif

4825.gif

125 ms

4829.gif

4829.gif

126 ms

FEMA%204832.gif

FEMA%204832.gif

125 ms

FEMA%204838.gif

FEMA%204838.gif

125 ms

FEMA%204839.gif

FEMA%204839.gif

142 ms

4867.gif

4867.gif

147 ms

4868.gif

4868.gif

147 ms

4869new.gif

4869new.gif

146 ms

sell-sense%20of%20smell.gif

sell-sense%20of%20smell.gif

189 ms

Scent_Chemistry.gif

Scent_Chemistry.gif

167 ms

a-herrmann.gif

a-herrmann.gif

292 ms

bernd.gif

bernd.gif

292 ms

jandrews3.jpg

jandrews3.jpg

205 ms

Carl%20Djerassi.jpg

Carl%20Djerassi.jpg

217 ms

analytics.js

analytics.js

113 ms

YjiLBTuyq4M

YjiLBTuyq4M

185 ms

XPhpqbIZUgw

XPhpqbIZUgw

178 ms

HJuKcZfDjuc

HJuKcZfDjuc

297 ms

2kKQMJK3HNs

2kKQMJK3HNs

307 ms

4ncw51uy4J4

4ncw51uy4J4

179 ms

R1PBYAD6n5Q

R1PBYAD6n5Q

171 ms

td7rep-JGP4

td7rep-JGP4

231 ms

collect

collect

18 ms

a6R6tjNKZYI

a6R6tjNKZYI

1022 ms

js

js

64 ms

www-player.css

www-player.css

23 ms

www-embed-player.js

www-embed-player.js

66 ms

base.js

base.js

141 ms

Accessibility Review

leffingwell.com accessibility score

71

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

leffingwell.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

leffingwell.com SEO score

42

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leffingwell.com 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 Leffingwell.com main page’s claimed encoding is . 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.

Social Sharing Optimization

leffingwell.com

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