Tools & Wizards About Us
nyrstar.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nyrstar.com

Resources for a changing world | Nyrstar

Page Load Speed

3.3 sec in total

First Response

329 ms

Resources Loaded

2.8 sec

Page Rendered

165 ms

nyrstar.com screenshot

About Website

Click here to check amazing Nyrstar content for India. Otherwise, check out these important facts you probably never knew about nyrstar.com

Nyrstar is a leading manufacturer of zinc, lead and other metals and committed to sourcing, mining and processing metals in a sustainable way. 150+ years of history

Visit nyrstar.com

Key Findings

We analyzed Nyrstar.com page load time and found that the first response time was 329 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

nyrstar.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.12

84/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

nyrstar.com

329 ms

www.nyrstar.com

444 ms

default.aspx

642 ms

css

179 ms

controls.css

351 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 97% of them (61 requests) were addressed to the original Nyrstar.com, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (726 ms) belongs to the original domain Nyrstar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 726.3 kB (40%)

Content Size

1.8 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nyrstar.com main page is 1.8 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. 50% of websites need less resources to load. Images take 924.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 63.0 kB

  • Original 83.5 kB
  • After minification 74.5 kB
  • After compression 20.5 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 9.0 kB, which is 11% 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 63.0 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 24.7 kB

  • Original 924.6 kB
  • After minification 900.0 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. Nyrstar images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 388.8 kB

  • Original 536.5 kB
  • After minification 499.5 kB
  • After compression 147.7 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 388.8 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 249.9 kB

  • Original 286.6 kB
  • After minification 205.3 kB
  • After compression 36.7 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. Nyrstar.com needs all CSS files to be minified and compressed as it can save up to 249.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (36%)

Requests Now

56

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nyrstar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nyrstar.com

nyrstar.com

329 ms

www.nyrstar.com

www.nyrstar.com

444 ms

default.aspx

default.aspx

642 ms

css

css

179 ms

controls.css

controls.css

351 ms

corev4.css

corev4.css

551 ms

rte.css

rte.css

186 ms

base.css

base.css

358 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

267 ms

addthis_widget.js

addthis_widget.js

276 ms

WebResource.axd

WebResource.axd

185 ms

ScriptResource.axd

ScriptResource.axd

262 ms

blank.js

blank.js

191 ms

init.js

init.js

185 ms

jquery-1.6.2.min.js

jquery-1.6.2.min.js

274 ms

jquery.tiptip.js

jquery.tiptip.js

100 ms

jquery.script.js

jquery.script.js

101 ms

jquery.accordion.js

jquery.accordion.js

110 ms

jquery.tooltip.js

jquery.tooltip.js

98 ms

flowplayer-3.2.6.min.js

flowplayer-3.2.6.min.js

194 ms

flowplayer.ipad-3.2.2.js

flowplayer.ipad-3.2.2.js

197 ms

jquery.mousewheel-3.0.4.pack.js

jquery.mousewheel-3.0.4.pack.js

196 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

200 ms

searchbox.js

searchbox.js

296 ms

ScriptResource.axd

ScriptResource.axd

297 ms

ScriptResource.axd

ScriptResource.axd

296 ms

DroidSans.woff

DroidSans.woff

103 ms

DroidSans-Bold.woff

DroidSans-Bold.woff

103 ms

fgimg.png

fgimg.png

104 ms

logo_new.gif

logo_new.gif

100 ms

biline_new.gif

biline_new.gif

99 ms

ss-home5.jpg

ss-home5.jpg

269 ms

ss-home2.jpg

ss-home2.jpg

616 ms

ss-home3.jpg

ss-home3.jpg

268 ms

aerial_shot_frontpage_ppt.jpg

aerial_shot_frontpage_ppt.jpg

538 ms

sst-home5.jpg

sst-home5.jpg

278 ms

sst-home2.jpg

sst-home2.jpg

286 ms

sst-home3.jpg

sst-home3.jpg

364 ms

aerial_shot_frontpage_ppt-thumb.jpg

aerial_shot_frontpage_ppt-thumb.jpg

362 ms

Annual-Report2014.jpg

Annual-Report2014.jpg

371 ms

sus_rep_thumb.jpg

sus_rep_thumb.jpg

380 ms

map_icon01.gif

map_icon01.gif

455 ms

map_icon02.gif

map_icon02.gif

459 ms

map_icon03.gif

map_icon03.gif

462 ms

map_icon04.gif

map_icon04.gif

473 ms

Nederlands_Flag_Icon.jpg

Nederlands_Flag_Icon.jpg

548 ms

French_Flag_Icon.jpg

French_Flag_Icon.jpg

552 ms

ico_in.png

ico_in.png

555 ms

ico_share.gif

ico_share.gif

565 ms

ico_subscribe.gif

ico_subscribe.gif

626 ms

bgximg.png

bgximg.png

634 ms

search.gif

search.gif

635 ms

ico_pdf.GIF

ico_pdf.GIF

621 ms

map.gif

map.gif

630 ms

bullet.png

bullet.png

675 ms

square_small.png

square_small.png

689 ms

hover-europe.gif

hover-europe.gif

703 ms

zoom-europe.gif

zoom-europe.gif

709 ms

hover-chile.gif

hover-chile.gif

713 ms

zoom-chile.gif

zoom-chile.gif

722 ms

analytics.js

analytics.js

27 ms

more.png

more.png

726 ms

collect

collect

24 ms

Accessibility Review

nyrstar.com accessibility score

85

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

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

Best Practices

nyrstar.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

nyrstar.com SEO score

90

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

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 Nyrstar.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 Nyrstar.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

nyrstar.com

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