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vitamin-d-max.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

vitamin-d-max.com

Dmax: Vitaimin D3

Page Load Speed

4.2 sec in total

First Response

202 ms

Resources Loaded

2.9 sec

Page Rendered

1.1 sec

vitamin-d-max.com screenshot

About Website

Welcome to vitamin-d-max.com homepage info - get ready to check Vitamin Dmax best content right away, or after learning these important things about vitamin-d-max.com

Dmax Vitaimin D3

Visit vitamin-d-max.com

Key Findings

We analyzed Vitamin-d-max.com page load time and found that the first response time was 202 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vitamin-d-max.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value2,820 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

vitamin-d-max.com

202 ms

vitamin-d-max.com

323 ms

bootstrap.css

152 ms

carousel.css

171 ms

style.css

172 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 63% of them (40 requests) were addressed to the original Vitamin-d-max.com, 9% (6 requests) were made to Youtube.com and 8% (5 requests) were made to Nhs-global.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Nhs-global.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (44%)

Content Size

3.9 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitamin-d-max.com main page is 3.9 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. 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. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 110.5 kB

  • Original 133.9 kB
  • After minification 91.4 kB
  • After compression 23.4 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 42.5 kB, which is 32% 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 110.5 kB or 83% of the original size.

Image Optimization

-47%

Potential reduce by 1.6 MB

  • Original 3.4 MB
  • After minification 1.8 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. Obviously, Vitamin Dmax needs image optimization as it can save up to 1.6 MB or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 6.6 kB

  • Original 277.4 kB
  • After minification 277.4 kB
  • After compression 270.8 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

-5%

Potential reduce by 3.9 kB

  • Original 84.9 kB
  • After minification 84.9 kB
  • After compression 81.0 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. Vitamin-d-max.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

52

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitamin Dmax. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vitamin-d-max.com

vitamin-d-max.com

202 ms

vitamin-d-max.com

vitamin-d-max.com

323 ms

bootstrap.css

bootstrap.css

152 ms

carousel.css

carousel.css

171 ms

style.css

style.css

172 ms

flexslider.css

flexslider.css

173 ms

media-queries.css

media-queries.css

174 ms

jquery.bxslider.css

jquery.bxslider.css

172 ms

jquery.min.js

jquery.min.js

242 ms

bootstrap.min.js

bootstrap.min.js

228 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

298 ms

jquery.js

jquery.js

323 ms

jquery.stickyelement.js

jquery.stickyelement.js

232 ms

jquery.flexslider.js

jquery.flexslider.js

164 ms

logo.png

logo.png

2044 ms

bbb.png

bbb.png

760 ms

bones.png

bones.png

1680 ms

atherosclerosis.png

atherosclerosis.png

55 ms

marine-plus.jpg

marine-plus.jpg

1072 ms

vK2_bottle_thumb.png

vK2_bottle_thumb.png

961 ms

prostate-miracle.jpg

prostate-miracle.jpg

2037 ms

body_bg.png

body_bg.png

167 ms

bottle_vitd_thumb.png

bottle_vitd_thumb.png

166 ms

gotop.jpg

gotop.jpg

160 ms

Chemical-Structure-of-Vitamin-D

Chemical-Structure-of-Vitamin-D

166 ms

vitamin-d-food-sources.png

vitamin-d-food-sources.png

960 ms

vitamin-d-deficiency-3.png

vitamin-d-deficiency-3.png

1222 ms

vdr-1.png

vdr-1.png

689 ms

dbp.png

dbp.png

1341 ms

vitamin-d-status.jpg

vitamin-d-status.jpg

233 ms

vitamin-d-and-diabetes

vitamin-d-and-diabetes

237 ms

vK2_bottle_thumb.png

vK2_bottle_thumb.png

618 ms

vk2-dmax-combo.png

vk2-dmax-combo.png

689 ms

btl8.jpg

btl8.jpg

687 ms

btl3.jpg

btl3.jpg

758 ms

btl2.jpg

btl2.jpg

756 ms

btl9.jpg

btl9.jpg

756 ms

estrogen-balance.png

estrogen-balance.png

957 ms

btl6.jpg

btl6.jpg

958 ms

bbb.png

bbb.png

958 ms

ddc.png

ddc.png

2142 ms

robotocondensed-regular-webfont.woff

robotocondensed-regular-webfont.woff

1043 ms

IciaPztlc8w

IciaPztlc8w

224 ms

readmore_bg.jpg

readmore_bg.jpg

1014 ms

footer_bg.png

footer_bg.png

1014 ms

raleway-regular-webfont.woff

raleway-regular-webfont.woff

1014 ms

backtop.png

backtop.png

911 ms

piwik.php

piwik.php

1811 ms

piwik.php

piwik.php

1868 ms

oswald-regular.woff

oswald-regular.woff

909 ms

ETwMqKf6uA0

ETwMqKf6uA0

130 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

25 ms

base.js

base.js

59 ms

ad_status.js

ad_status.js

297 ms

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

193 ms

embed.js

embed.js

104 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

72 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

73 ms

Create

Create

205 ms

Create

Create

312 ms

id

id

191 ms

GenerateIT

GenerateIT

36 ms

GenerateIT

GenerateIT

34 ms

Accessibility Review

vitamin-d-max.com accessibility score

53

Accessibility Issues

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

Buttons do not have an accessible name

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

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

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>).

Best Practices

vitamin-d-max.com best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vitamin-d-max.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 Vitamin-d-max.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 Vitamin-d-max.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

vitamin-d-max.com

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