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copper.org screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    49% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

copper.org

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

Page Load Speed

1.1 sec in total

First Response

42 ms

Resources Loaded

895 ms

Page Rendered

126 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 42 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

copper.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value760 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

copper.org

42 ms

www.copper.org

59 ms

css

37 ms

copper.css

28 ms

home.css

32 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 54% of them (28 requests) were addressed to the original Copper.org, 19% (10 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (369 ms) relates to the external source Cdn.syndication.twimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 411.9 kB (55%)

Content Size

753.9 kB

After Optimization

342.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Copper.org main page is 753.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 432.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 82.0 kB

  • Original 106.5 kB
  • After minification 85.1 kB
  • After compression 24.5 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 21.4 kB, which is 20% 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 82.0 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 6.1 kB

  • Original 160.4 kB
  • After minification 154.2 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. Copper images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 281.4 kB

  • Original 432.6 kB
  • After minification 428.4 kB
  • After compression 151.2 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 281.4 kB or 65% of the original size.

CSS Optimization

-78%

Potential reduce by 42.4 kB

  • Original 54.5 kB
  • After minification 52.5 kB
  • After compression 12.1 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 42.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (78%)

Requests Now

40

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 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 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

copper.org

copper.org

42 ms

www.copper.org

www.copper.org

59 ms

css

css

37 ms

copper.css

copper.css

28 ms

home.css

home.css

32 ms

modernizr-2.5.2.min.js

modernizr-2.5.2.min.js

31 ms

jsapi

jsapi

60 ms

jquery.min.js

jquery.min.js

85 ms

jquery-ui.min.js

jquery-ui.min.js

107 ms

scripts.js

scripts.js

56 ms

jquery.izilla.touchMenuHover.min.js

jquery.izilla.touchMenuHover.min.js

63 ms

webtrends.js

webtrends.js

54 ms

jquery.cycle.all.js

jquery.cycle.all.js

62 ms

colorbox.css

colorbox.css

54 ms

jquery.colorbox.js

jquery.colorbox.js

60 ms

utilitynav-divider.png

utilitynav-divider.png

15 ms

addthis_widget.js

addthis_widget.js

15 ms

copperorg-logo.png

copperorg-logo.png

66 ms

primarynav-divider.png

primarynav-divider.png

65 ms

print-icon.png

print-icon.png

65 ms

cover-cth.jpg

cover-cth.jpg

68 ms

grapes.jpg

grapes.jpg

69 ms

american-artist.jpg

american-artist.jpg

66 ms

rss.png

rss.png

68 ms

twitter.png

twitter.png

69 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

65 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

66 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

69 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

69 ms

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

EInbV5DfGHOiMmvb1Xr-honF5uFdDttMLvmWuJdhhgs.ttf

91 ms

widgets.js

widgets.js

12 ms

wtid.js

wtid.js

31 ms

control-previous.png

control-previous.png

38 ms

control-pause.png

control-pause.png

38 ms

control-play.png

control-play.png

39 ms

control-next.png

control-next.png

39 ms

bg-header.png

bg-header.png

39 ms

accordion-closed.png

accordion-closed.png

39 ms

accordion-open.png

accordion-open.png

33 ms

300lo.json

300lo.json

23 ms

timeline.1b43d11859b7663a2225b885f87704a5.js

timeline.1b43d11859b7663a2225b885f87704a5.js

28 ms

dcs.gif

dcs.gif

19 ms

jquery-ui-256x240-icons.png

jquery-ui-256x240-icons.png

76 ms

xjAJXh38I15wypJXxuGMBp0EAVxt0G0biEntp43Qt6E.ttf

xjAJXh38I15wypJXxuGMBp0EAVxt0G0biEntp43Qt6E.ttf

72 ms

PRmiXeptR36kaC0GEAetxrfB31yxOzP-czbf6AAKCVo.ttf

PRmiXeptR36kaC0GEAetxrfB31yxOzP-czbf6AAKCVo.ttf

70 ms

PRmiXeptR36kaC0GEAetxi8cqLH4MEiSE0ROcU-qHOA.ttf

PRmiXeptR36kaC0GEAetxi8cqLH4MEiSE0ROcU-qHOA.ttf

71 ms

PRmiXeptR36kaC0GEAetxp_TkvowlIOtbR7ePgFOpF4.ttf

PRmiXeptR36kaC0GEAetxp_TkvowlIOtbR7ePgFOpF4.ttf

71 ms

PRmiXeptR36kaC0GEAetxlDMrAYtoOisqqMDW9M_Mqc.ttf

PRmiXeptR36kaC0GEAetxlDMrAYtoOisqqMDW9M_Mqc.ttf

100 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

70 ms

syndication

syndication

114 ms

609437115924017155

609437115924017155

369 ms

js

js

24 ms

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

82

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

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 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

copper.org

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: