Tools & Wizards About Us
leslabs.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

leslabs.com

LES Labs - Life-Enhancing Dietary Supplements Online Store

Page Load Speed

3.4 sec in total

First Response

465 ms

Resources Loaded

2.4 sec

Page Rendered

599 ms

leslabs.com screenshot

About Website

Welcome to leslabs.com homepage info - get ready to check LES Labs best content for United States right away, or after learning these important things about leslabs.com

LES Labs Nutritionals formulates natural life-enhancing dietary supplements. All products are shipped free and include a 60-day guarantee.

Visit leslabs.com

Key Findings

We analyzed Leslabs.com page load time and found that the first response time was 465 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

leslabs.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.218

57/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

leslabs.com

465 ms

vendor.js

21 ms

theme.js

13 ms

preloads.js

197 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

13 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 93% of them (80 requests) were addressed to the original Leslabs.com, 5% (4 requests) were made to Cdn.shopify.com and 1% (1 request) were made to Static.klaviyo.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Leslabs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (8%)

Content Size

13.3 MB

After Optimization

12.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leslabs.com main page is 13.3 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. 55% of websites need less resources to load. Images take 12.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 178.2 kB

  • Original 214.4 kB
  • After minification 205.9 kB
  • After compression 36.2 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 178.2 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 845.1 kB

  • Original 12.8 MB
  • After minification 11.9 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. LES Labs images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 118 B

  • Original 190.9 kB
  • After minification 190.9 kB
  • After compression 190.8 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 95.8 kB
  • After minification 95.8 kB
  • After compression 95.8 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. Leslabs.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

48

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LES Labs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

leslabs.com

leslabs.com

465 ms

vendor.js

vendor.js

21 ms

theme.js

theme.js

13 ms

preloads.js

preloads.js

197 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

13 ms

klaviyo.js

klaviyo.js

36 ms

shopify-perf-kit-1.0.0.min.js

shopify-perf-kit-1.0.0.min.js

43 ms

loader.js

loader.js

44 ms

loader.js

loader.js

230 ms

theme.js

theme.js

60 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

173 ms

theme.css

theme.css

56 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

39 ms

custom.js

custom.js

35 ms

vendor.js

vendor.js

46 ms

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trekkie.storefront.191ee957437379e11b4b5a983ae36024546a469d.min.js

95 ms

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shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

95 ms

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shopify-boomerang-1.0.0.min.js

95 ms

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28 ms

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25 ms

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27 ms

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27 ms

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27 ms

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30 ms

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30 ms

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28 ms

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31 ms

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30 ms

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42 ms

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32 ms

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31 ms

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39 ms

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38 ms

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47 ms

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44 ms

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52 ms

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54 ms

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57 ms

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57 ms

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57 ms

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58 ms

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50 ms

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19 ms

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24 ms

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32 ms

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44 ms

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68 ms

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45 ms

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59 ms

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60 ms

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57 ms

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112 ms

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104 ms

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113 ms

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551 ms

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1676 ms

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158 ms

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129 ms

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135 ms

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124 ms

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159 ms

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276 ms

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194 ms

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197 ms

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211 ms

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237 ms

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385 ms

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465 ms

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452 ms

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511 ms

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426 ms

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484 ms

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11 ms

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24 ms

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33 ms

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21 ms

Accessibility Review

leslabs.com accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

Best Practices

leslabs.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

leslabs.com SEO score

79

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

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

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 Leslabs.com 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 Leslabs.com 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

leslabs.com

Open Graph data is detected on the main page of LES Labs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: