Tools & Wizards About Us
optimumnutrition.education screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

optimumnutrition.education

Optimum Nutrition | Online Nutrition Course |Optimum Nutrition

Page Load Speed

6.6 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

594 ms

optimumnutrition.education screenshot

About Website

Visit optimumnutrition.education now to see the best up-to-date Optimum Nutrition content and also check out these interesting facts you probably never knew about optimumnutrition.education

Optimum Nutrition for Health & Performance is an Online Nutrition Course delivered by PhD Sports Nutritionists, addressing common queries, myths & diet fads.

Visit optimumnutrition.education

Key Findings

We analyzed Optimumnutrition.education page load time and found that the first response time was 1.1 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

optimumnutrition.education performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.218

57/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

learning.optimumnutrition.com

1104 ms

gtm.js

89 ms

js

139 ms

OtAutoBlock.js

55 ms

otSDKStub.js

64 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Optimumnutrition.education, 13% (4 requests) were made to Use.fontawesome.com and 13% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Learning.optimumnutrition.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 178.6 kB (10%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optimumnutrition.education main page is 1.8 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.0 kB

  • Original 59.1 kB
  • After minification 49.0 kB
  • After compression 12.1 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 10.1 kB, which is 17% 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 47.0 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 131.5 kB

  • Original 1.6 MB
  • After minification 1.5 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. Optimum Nutrition images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 149 B

  • Original 123.6 kB
  • After minification 123.6 kB
  • After compression 123.4 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 11.0 kB
  • After minification 11.0 kB
  • After compression 11.0 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. Optimumnutrition.education has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optimum Nutrition. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

learning.optimumnutrition.com

learning.optimumnutrition.com

1104 ms

gtm.js

gtm.js

89 ms

js

js

139 ms

OtAutoBlock.js

OtAutoBlock.js

55 ms

otSDKStub.js

otSDKStub.js

64 ms

all.css

all.css

55 ms

css

css

56 ms

yui_combo.php

yui_combo.php

72 ms

all

all

404 ms

yui_combo.php

yui_combo.php

383 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

305 ms

javascript-static.js

javascript-static.js

234 ms

require.min.js

require.min.js

232 ms

ON_Extended_Logo_Gold-02.png

ON_Extended_Logo_Gold-02.png

3182 ms

ONE%20LINE-1.jpg

ONE%20LINE-1.jpg

276 ms

Lecturers-Crionna_v2.jpg

Lecturers-Crionna_v2.jpg

230 ms

Lecturers-Emelia.jpg

Lecturers-Emelia.jpg

1310 ms

ON_education_2.png

ON_education_2.png

628 ms

Adam%20Keane%20-%20ON_education_1.png

Adam%20Keane%20-%20ON_education_1.png

612 ms

pxiEyp8kv8JHgFVrJJfedw.ttf

pxiEyp8kv8JHgFVrJJfedw.ttf

19 ms

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

26 ms

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

44 ms

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

45 ms

BlenderPro-Heavy.woff

BlenderPro-Heavy.woff

70 ms

BlenderPro-Bold.woff

BlenderPro-Bold.woff

138 ms

BlenderPro-Medium.woff

BlenderPro-Medium.woff

153 ms

BlenderPro-Book.woff

BlenderPro-Book.woff

183 ms

BlenderPro-Thin.woff

BlenderPro-Thin.woff

207 ms

icomoon.ttf

icomoon.ttf

216 ms

fa-solid-900.woff

fa-solid-900.woff

25 ms

fa-regular-400.woff

fa-regular-400.woff

43 ms

fa-brands-400.woff

fa-brands-400.woff

44 ms

Accessibility Review

optimumnutrition.education accessibility score

89

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 have valid values

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

Links do not have a discernible name

Best Practices

optimumnutrition.education best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

optimumnutrition.education SEO score

92

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

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 Optimumnutrition.education 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 Optimumnutrition.education 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

optimumnutrition.education

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