Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

copper.org

Official Site of Copper Development Association, Inc. (USA)

Page Load Speed

1.5 sec in total

First Response

71 ms

Resources Loaded

1.3 sec

Page Rendered

139 ms

copper.org screenshot

About Website

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

The Copper Development Association Inc. (CDA) is the market development, engineering and information services arm of the copper industry, chartered to enhance and expand markets for copper and its all...

Visit copper.org

Key Findings

We analyzed Copper.org page load time and found that the first response time was 71 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 30% of websites can load faster.

Performance Metrics

copper.org performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.187

65/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

copper.org

71 ms

copper.org

74 ms

gtm.js

81 ms

21548868.js

373 ms

bootstrap.min.css

67 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 48% of them (30 requests) were addressed to the original Copper.org, 8% (5 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Cdn.sitesearch360.com. The less responsive or slowest element that took the longest time to load (585 ms) belongs to the original domain Copper.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (7%)

Content Size

14.7 MB

After Optimization

13.6 MB

In fact, the total size of Copper.org main page is 14.7 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. Only a small number of websites need less resources to load. Images take 14.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 119.0 kB

  • Original 146.2 kB
  • After minification 125.7 kB
  • After compression 27.1 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 20.4 kB, which is 14% 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 119.0 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 908.5 kB

  • Original 14.2 MB
  • After minification 13.3 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. Copper images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 13.3 kB

  • Original 339.0 kB
  • After minification 339.0 kB
  • After compression 325.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 2.9 kB

  • Original 19.9 kB
  • After minification 19.9 kB
  • After compression 17.0 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. Copper.org needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (78%)

Requests Now

54

After Optimization

12

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Copper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

copper.org accessibility score

92

Accessibility Issues

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

copper.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

High

Page has valid source maps

SEO Factors

copper.org SEO score

85

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

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

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 Copper.org 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 Copper.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 Copper. 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: