Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

crc.co.nz

CRC NZ - Home of Building Adhesives and Specialty Chemicals

Page Load Speed

18.6 sec in total

First Response

1.9 sec

Resources Loaded

14.9 sec

Page Rendered

1.7 sec

About Website

Visit crc.co.nz now to see the best up-to-date CRC content for New Zealand and also check out these interesting facts you probably never knew about crc.co.nz

CRC is the home of building adhesives and specialty chemicals and is the preferred choice of trades professionals in New Zealand and around the world.

Visit crc.co.nz

Key Findings

We analyzed Crc.co.nz page load time and found that the first response time was 1.9 sec and then it took 16.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

crc.co.nz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value49.0 s

0/100

25%

SI (Speed Index)

Value40.2 s

0/100

10%

TBT (Total Blocking Time)

Value24,310 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value50.0 s

0/100

10%

Network Requests Diagram

www.crc.co.nz

1949 ms

calendar.min.css

442 ms

styles-m.min.css

1568 ms

amslick.min.css

649 ms

form-builder.min.css

1009 ms

Our browser made a total of 295 requests to load all elements on the main page. We found that 86% of them (253 requests) were addressed to the original Crc.co.nz, 4% (12 requests) were made to Youtube.com and 3% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Crc.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (23%)

Content Size

4.6 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crc.co.nz main page is 4.6 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 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 138.1 kB

  • Original 160.2 kB
  • After minification 159.6 kB
  • After compression 22.1 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 138.1 kB or 86% of the original size.

Image Optimization

-18%

Potential reduce by 542.9 kB

  • Original 3.1 MB
  • After minification 2.6 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. Obviously, CRC needs image optimization as it can save up to 542.9 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-36%

Potential reduce by 363.6 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 641.0 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 363.6 kB or 36% of the original size.

CSS Optimization

-0%

Potential reduce by 1.2 kB

  • Original 349.6 kB
  • After minification 349.6 kB
  • After compression 348.4 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. Crc.co.nz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 197 (70%)

Requests Now

282

After Optimization

85

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 282 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CRC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 167 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

crc.co.nz accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

crc.co.nz 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

crc.co.nz SEO score

75

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

High

Image elements do not have [alt] attributes

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 Crc.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 Crc.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

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