Tools & Wizards About Us
silbery.co.nz screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

silbery.co.nz

Roofing Wellington: Steel Roofing Manufacturer, Flashing Manufacturer, Gutter Manufacturer

Page Load Speed

3.8 sec in total

First Response

878 ms

Resources Loaded

2.7 sec

Page Rendered

183 ms

silbery.co.nz screenshot

About Website

Click here to check amazing Silbery content. Otherwise, check out these important facts you probably never knew about silbery.co.nz

Silbery Roofing: Manufacturers and suppliers of steel roofing, flashings, and gutter solutions. Upper Hutt, Wellington.

Visit silbery.co.nz

Key Findings

We analyzed Silbery.co.nz page load time and found that the first response time was 878 ms and then it took 2.9 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

silbery.co.nz performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.378

28/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

silbery.co.nz

878 ms

jcemediabox.min.css

132 ms

content.min.css

197 ms

layerslider.css

551 ms

css

73 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 80% of them (44 requests) were addressed to the original Silbery.co.nz, 4% (2 requests) were made to Google.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (878 ms) belongs to the original domain Silbery.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (34%)

Content Size

3.0 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Silbery.co.nz main page is 3.0 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. 70% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 27.3 kB

  • Original 32.6 kB
  • After minification 21.9 kB
  • After compression 5.3 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 10.7 kB, which is 33% 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 27.3 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 25.3 kB

  • Original 1.5 MB
  • After minification 1.5 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. Silbery images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 333.9 kB

  • Original 743.2 kB
  • After minification 742.7 kB
  • After compression 409.2 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 333.9 kB or 45% of the original size.

CSS Optimization

-83%

Potential reduce by 640.3 kB

  • Original 769.6 kB
  • After minification 719.2 kB
  • After compression 129.3 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. Silbery.co.nz needs all CSS files to be minified and compressed as it can save up to 640.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (65%)

Requests Now

48

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Silbery. 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 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

silbery.co.nz

silbery.co.nz

878 ms

jcemediabox.min.css

jcemediabox.min.css

132 ms

content.min.css

content.min.css

197 ms

layerslider.css

layerslider.css

551 ms

css

css

73 ms

layerslider.origami.css

layerslider.origami.css

493 ms

nucleus.css

nucleus.css

262 ms

citadel_139.css

citadel_139.css

450 ms

bootstrap5.css

bootstrap5.css

325 ms

joomla-fontawesome.min.css

joomla-fontawesome.min.css

283 ms

debug.css

debug.css

209 ms

font-awesome.min.css

font-awesome.min.css

323 ms

citadel-joomla_139.css

citadel-joomla_139.css

350 ms

custom_139.css

custom_139.css

331 ms

animate.css

animate.css

422 ms

site.css

site.css

576 ms

jquery.min.js

jquery.min.js

391 ms

jquery-noconflict.min.js

jquery-noconflict.min.js

396 ms

jcemediabox.min.js

jcemediabox.min.js

491 ms

TweenMax.min.js

TweenMax.min.js

44 ms

layerslider.js

layerslider.js

680 ms

layerslider.transitions.js

layerslider.transitions.js

617 ms

layerslider.origami.js

layerslider.origami.js

515 ms

jquery-ui.min.js

jquery-ui.min.js

35 ms

api.js

api.js

50 ms

maps.js

maps.js

456 ms

uikit.min.js

uikit.min.js

651 ms

uikit-icons.min.js

uikit-icons.min.js

556 ms

js

js

96 ms

main.js

main.js

460 ms

recaptcha__en.js

recaptcha__en.js

110 ms

background-silbery-roofing-longrun-roofing-manufacturer.jpg

background-silbery-roofing-longrun-roofing-manufacturer.jpg

239 ms

silbery-roofing-logo-black-longrun-roofing-manufacturer.png

silbery-roofing-logo-black-longrun-roofing-manufacturer.png

179 ms

corrugated-slide-background-orange-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

corrugated-slide-background-orange-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

153 ms

20171108_122259-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171108_122259-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

155 ms

20171108_122357-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171108_122357-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

154 ms

corrugated-slide-background-grey-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

corrugated-slide-background-grey-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

150 ms

20171108_121310-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171108_121310-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

270 ms

20171108_121321-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171108_121321-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

296 ms

corrugated-slide-background-green-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

corrugated-slide-background-green-silbery-roofing-longrun-roofing-manufacturer-roofing-repair.jpg

208 ms

20171108_124230-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171108_124230-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

209 ms

20171031_141536-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

20171031_141536-silbery-roofing-longrun-roofing-manufacturer-roofing-repair-800px.jpg

220 ms

img-01.jpg

img-01.jpg

271 ms

js

js

137 ms

analytics.js

analytics.js

133 ms

blanch-caps-webfont.woff

blanch-caps-webfont.woff

257 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

265 ms

skin.css

skin.css

117 ms

cabin-regular-webfont.woff

cabin-regular-webfont.woff

208 ms

cabin-medium-webfont.woff

cabin-medium-webfont.woff

255 ms

cabin-semibold-webfont.woff

cabin-semibold-webfont.woff

262 ms

cabin-bold-webfont.woff

cabin-bold-webfont.woff

263 ms

collect

collect

39 ms

collect

collect

22 ms

ga-audiences

ga-audiences

20 ms

Accessibility Review

silbery.co.nz accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

silbery.co.nz best practices score

75

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

Browser errors were logged to the console

SEO Factors

silbery.co.nz SEO score

100

Search Engine Optimization Advices

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 Silbery.co.nz 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 Silbery.co.nz 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

silbery.co.nz

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