Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

carlsonlabs.com

Premium Nutritional Supplements for the Whole Family | Carlson Labs

Page Load Speed

4.5 sec in total

First Response

135 ms

Resources Loaded

3.2 sec

Page Rendered

1.2 sec

About Website

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

Discover the best nutritional supplements for your health needs at Carlson Labs. Shop omega-3s, vitamins, and more.

Visit carlsonlabs.com

Key Findings

We analyzed Carlsonlabs.com page load time and found that the first response time was 135 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

carlsonlabs.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value38.2 s

0/100

25%

SI (Speed Index)

Value20.8 s

0/100

10%

TBT (Total Blocking Time)

Value5,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value58.8 s

0/100

10%

Network Requests Diagram

carlsonlabs.com

135 ms

carlsonlabs.com

468 ms

autopilot_sdk.js

152 ms

theme-bundle.head_async.js

171 ms

css

170 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 3% of them (4 requests) were addressed to the original Carlsonlabs.com, 37% (43 requests) were made to Cdn11.bigcommerce.com and 14% (16 requests) were made to Staticw2.yotpo.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdn11.bigcommerce.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 837.8 kB (6%)

Content Size

13.7 MB

After Optimization

12.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carlsonlabs.com main page is 13.7 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. Only a small number of websites need less resources to load. Images take 12.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 219.4 kB

  • Original 260.4 kB
  • After minification 226.1 kB
  • After compression 41.0 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 34.3 kB, which is 13% 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 219.4 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 12.3 MB
  • After minification 12.3 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. Carlson Labs images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 618.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 481.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 618.4 kB or 56% of the original size.

CSS Optimization

-0%

Potential reduce by 15 B

  • Original 20.4 kB
  • After minification 20.4 kB
  • After compression 20.4 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. Carlsonlabs.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 44 (44%)

Requests Now

99

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carlson 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 39 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

carlsonlabs.com accessibility score

69

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[role]s do not have all required [aria-*] attributes

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

carlsonlabs.com best practices score

83

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

SEO Factors

carlsonlabs.com SEO score

74

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

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 Carlsonlabs.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 Carlsonlabs.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

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