Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

vitamincfoundation.org

Vitamin C Foundation

Page Load Speed

553 ms in total

First Response

105 ms

Resources Loaded

351 ms

Page Rendered

97 ms

vitamincfoundation.org screenshot

About Website

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

The internet's best collection of useful information about Vitamin C, that even the FDA can't suppress. The non-Profit Vitamin C Foundation preserves and sponsors research on vitamin C.

Visit vitamincfoundation.org

Key Findings

We analyzed Vitamincfoundation.org page load time and found that the first response time was 105 ms and then it took 448 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

vitamincfoundation.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

vitamincfoundation.org

105 ms

jquery-ui.css

7 ms

jquery.min.js

12 ms

jquery-ui.min.js

22 ms

VitaminCLogoGreen.gif

55 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 57% of them (4 requests) were addressed to the original Vitamincfoundation.org, 43% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (198 ms) belongs to the original domain Vitamincfoundation.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.9 kB (6%)

Content Size

469.7 kB

After Optimization

443.7 kB

In fact, the total size of Vitamincfoundation.org main page is 469.7 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. 30% of websites need less resources to load. Images take 362.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.1 kB

  • Original 9.1 kB
  • After minification 9.0 kB
  • After compression 3.0 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. 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 6.1 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 19.8 kB

  • Original 362.7 kB
  • After minification 342.9 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. Vitamin C Foundation images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 97.9 kB
  • After minification 97.9 kB
  • After compression 97.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitamin C Foundation. According to our analytics all requests are already optimized.

Accessibility Review

vitamincfoundation.org accessibility score

93

Accessibility Issues

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

vitamincfoundation.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vitamincfoundation.org SEO score

88

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitamincfoundation.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 Vitamincfoundation.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

Open Graph description is not detected on the main page of Vitamin C Foundation. 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: