Access mdcdiamonds.com. Diamond Engagement Rings and Fine Diamond Jewelry by MDC Diamonds New York

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

mdcdiamonds.com

182 ms

MDC.css

1015 ms

swfobject.js

90 ms

swfobject.js

25 ms

style.css

235 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 75% of them (94 requests) were addressed to the original Mdcdiamonds.com, 2% (3 requests) were made to S7.addthis.com and 2% (3 requests) were made to Zazachat.zazasoftware.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Mdcdiamonds.com.

Content Size

5.4 MB

After Optimization

4.5 MB

In fact, the total size of Mdcdiamonds.com main page is 5.4 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. 60% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-8%

Potential reduce by 10 B

Original 121 B
After minification 121 B
After compression 111 B

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. This web page is already compressed.

Image Optimization

-9%

Potential reduce by 392.8 kB

Original 4.6 MB
After minification 4.2 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. MDC Diamonds images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 480.3 kB

Original 748.5 kB
After minification 745.1 kB
After compression 268.2 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 480.3 kB or 64% of the original size.

CSS Optimization

-88%

Potential reduce by 49.9 kB

Original 56.5 kB
After minification 43.6 kB
After compression 6.6 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. Mdcdiamonds.com needs all CSS files to be minified and compressed as it can save up to 49.9 kB or 88% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MDC Diamonds. 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.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses 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 Mdcdiamonds.com 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 Mdcdiamonds.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

mdcdiamonds.com

Open Graph description is not detected on the main page of MDC Diamonds. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Diamond Engagement Rings and Fine Diamond Jewelry by MDC Diamonds New York

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

mdcdiamonds.com

MDC.css

swfobject.js

swfobject.js

style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

mdcdiamonds.com

MDC.css

swfobject.js

swfobject.js

style.css

jquery.js

index.css

urchin.js

addthis_widget.js

zazamagic.aspx

script.js

SpryTooltip.js

jquery.min.js

arrow66.js

seal.asp

seal.js

__utm.gif

156740314919.3003.439861299.png

mdcdiamonds-888-331.gif

ebayps.jpg

PossitiveSSL_tl_trans2.gif

blue-seal-63-134-mdcdiamondsinternationalinc-95311.png

GIA.png

logorec.jpg

chat.gif

GreyDot.gif

Customize.gif

63metal_00000.jpg

es550pr3.jpg

es655wg4.jpg

es655rg3.jpg

es655wg2.jpg

es655wg3.jpg

es655rg4.jpg

es655br.jpg

view_4_00000_gold_s.jpg

es4331.jpg

es433wg.jpg

es433wg2.jpg

es433wg1.jpg

es637dbrbs.jpg

es198cuwg3.jpg

es198curg2.jpg