1.7 sec in total
308 ms
1.1 sec
206 ms
Visit diamondcouncil.org now to see the best up-to-date Diamondcouncil content for United States and also check out these interesting facts you probably never knew about diamondcouncil.org
The Diamond Council of America (DCA) was founded in 1944 as a forum to educate jewelry sales professionals. As an accredited school, DCA offers jewelers the opportunity to earn professional certificat...
Visit diamondcouncil.orgWe analyzed Diamondcouncil.org page load time and found that the first response time was 308 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
diamondcouncil.org performance score
name
value
score
weighting
Value3.9 s
24/100
10%
Value3.9 s
51/100
25%
Value9.0 s
14/100
10%
Value1,040 ms
25/100
30%
Value0.001
100/100
15%
Value8.7 s
36/100
10%
308 ms
31 ms
142 ms
143 ms
145 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 94% of them (47 requests) were addressed to the original Diamondcouncil.org, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (574 ms) belongs to the original domain Diamondcouncil.org.
Page size can be reduced by 473.1 kB (41%)
1.2 MB
692.4 kB
In fact, the total size of Diamondcouncil.org main page is 1.2 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. 30% of websites need less resources to load. Images take 615.2 kB which makes up the majority of the site volume.
Potential reduce by 47.9 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 16.2 kB, which is 27% 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 47.9 kB or 81% of the original size.
Potential reduce by 10.4 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. Diamondcouncil images are well optimized though.
Potential reduce by 392.6 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 392.6 kB or 85% of the original size.
Potential reduce by 22.2 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. Diamondcouncil.org needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 83% of the original size.
Number of requests can be reduced by 15 (33%)
46
31
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diamondcouncil. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
diamondcouncil.org
308 ms
jquery.min.js
31 ms
centerInClient.js
142 ms
popUp.js
143 ms
Profiles.css
145 ms
Template.css
145 ms
LightBox.css
168 ms
Legacy.css
148 ms
WebResource.axd
227 ms
ScriptResource.axd
421 ms
ScriptResource.axd
285 ms
ga.js
24 ms
__utm.gif
24 ms
BlueDiamond.png
76 ms
leftMainMenu.png
73 ms
MainMenu.png
75 ms
rightMainMenu.png
73 ms
verticalMainMenu.png
137 ms
JCK_JunePromo.png
427 ms
LargeTerryChandler.jpg
263 ms
DC_CourseCover.png
264 ms
CGS_CourseCover.png
148 ms
AJS_CourseCover.png
262 ms
BJS_CourseCover.png
294 ms
logo_greenbergs.gif
280 ms
logo_jcf.jpg
294 ms
Aquamarine.png
443 ms
2012TerryPhoto.png
290 ms
AJSPlaque.png
360 ms
DiamondPlaque.png
374 ms
JCK2016.jpg
439 ms
SmartJewelryShow_Logo.png
365 ms
ReadingRoomDisplay.png
500 ms
SellingBridalJewelryAd.png
440 ms
MembersOnly.png
445 ms
StudentLogin.png
499 ms
JA_Login.png
512 ms
ISG_Login.png
516 ms
Retailers_Button.png
513 ms
logo_deac.png
517 ms
logo_dca.png
570 ms
facebook.gif
574 ms
Events.html
374 ms
HorizontalLine.png
328 ms
VerticalLine.png
343 ms
Template.css
72 ms
LightBox.css
73 ms
Legacy.css
76 ms
JCK.png
80 ms
SJTA.png
74 ms
diamondcouncil.org accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
diamondcouncil.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
diamondcouncil.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diamondcouncil.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 Diamondcouncil.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.
diamondcouncil.org
Open Graph description is not detected on the main page of Diamondcouncil. 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: