Tools & Wizards About Us
blackwells.co.nz screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

blackwells.co.nz

Blackwells | New Used Demonstrators Mazda GMSV Omoda Jaecoo Isuzu Trucks Christchurch

Page Load Speed

6.5 sec in total

First Response

640 ms

Resources Loaded

5.4 sec

Page Rendered

512 ms

blackwells.co.nz screenshot

About Website

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

Blackwells has an extensive range of Mazda, GMSV, Omoda, Jaecoo and Isuzu Trucks as well as a large range of pre-owned vehicles to suit you. Blackwells is conveniently located in Central Christchurch ...

Visit blackwells.co.nz

Key Findings

We analyzed Blackwells.co.nz page load time and found that the first response time was 640 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

blackwells.co.nz performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value30.2 s

0/100

25%

SI (Speed Index)

Value10.5 s

8/100

10%

TBT (Total Blocking Time)

Value3,210 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.409

24/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

blackwells.co.nz

640 ms

www.blackwells.co.nz

1300 ms

css2

36 ms

css

479 ms

js

82 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 63% of them (25 requests) were addressed to the original Blackwells.co.nz, 13% (5 requests) were made to Maps.googleapis.com and 8% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Blackwells.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 160.8 kB (4%)

Content Size

4.1 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Blackwells.co.nz main page is 4.1 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. 35% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 50.0 kB

  • Original 57.3 kB
  • After minification 43.0 kB
  • After compression 7.3 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 14.4 kB, which is 25% 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 50.0 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 77.9 kB

  • Original 3.9 MB
  • After minification 3.8 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. Blackwells images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 33.0 kB

  • Original 140.9 kB
  • After minification 140.9 kB
  • After compression 108.0 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 33.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (29%)

Requests Now

35

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackwells. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

blackwells.co.nz

blackwells.co.nz

640 ms

www.blackwells.co.nz

www.blackwells.co.nz

1300 ms

css2

css2

36 ms

css

css

479 ms

js

js

82 ms

core

core

935 ms

vehicle

vehicle

827 ms

analytics.js

analytics.js

47 ms

gtm.js

gtm.js

60 ms

embed

embed

230 ms

embed

embed

392 ms

logo.png

logo.png

313 ms

sprite.png

sprite.png

550 ms

BlackwellsJaecooJ7RRP1920x500.jpg

BlackwellsJaecooJ7RRP1920x500.jpg

1543 ms

BlackwellsOmodaC5RRP1920x500.jpg

BlackwellsOmodaC5RRP1920x500.jpg

833 ms

BlackwellsOmodaE5RRP1920x500.jpg

BlackwellsOmodaE5RRP1920x500.jpg

1539 ms

Blackwells_GMSV_Chevrolet_SilveradoHD_1920x500E.jpg

Blackwells_GMSV_Chevrolet_SilveradoHD_1920x500E.jpg

1867 ms

Blackwells_Mazda_CX60_TestDrive_1920x500.jpg

Blackwells_Mazda_CX60_TestDrive_1920x500.jpg

1687 ms

Blackwells_Holden_Extended_Roadside_Assistance_1920x500.jpg

Blackwells_Holden_Extended_Roadside_Assistance_1920x500.jpg

1901 ms

BlackwellsIsuzuElectricTrucks1920x500.jpg

BlackwellsIsuzuElectricTrucks1920x500.jpg

1039 ms

Blackwells_Mazda_CX90_TestDrive_1920x500.jpg

Blackwells_Mazda_CX90_TestDrive_1920x500.jpg

1250 ms

GMSVLogo1021_300x100.jpg

GMSVLogo1021_300x100.jpg

1454 ms

Holden_Logo_300x100.jpg

Holden_Logo_300x100.jpg

1661 ms

Isuzu_Logo_300x100.jpg

Isuzu_Logo_300x100.jpg

1749 ms

Mazda_Logo_300x100.jpg

Mazda_Logo_300x100.jpg

1750 ms

Omoda_Jaecoo_Logo_300x100_08.png

Omoda_Jaecoo_Logo_300x100_08.png

1869 ms

Blackwells_Hotspot_Used_288x180.jpg

Blackwells_Hotspot_Used_288x180.jpg

1901 ms

Blackwells_Hotspot_Offers_288x180.jpg

Blackwells_Hotspot_Offers_288x180.jpg

1957 ms

Blackwells_Hotspot_Service_288x180.jpg

Blackwells_Hotspot_Service_288x180.jpg

1957 ms

Blackwells_Hotspot_Contact_288x180.jpg

Blackwells_Hotspot_Contact_288x180.jpg

2080 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

45 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

50 ms

collect

collect

27 ms

js

js

50 ms

js

js

66 ms

search.js

search.js

3 ms

geometry.js

geometry.js

6 ms

main.js

main.js

12 ms

js

js

17 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1527 ms

Accessibility Review

blackwells.co.nz accessibility score

88

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

blackwells.co.nz best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

blackwells.co.nz SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Blackwells.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 Blackwells.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

blackwells.co.nz

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