Tools & Wizards About Us
blacksfasteners.co.nz screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

blacksfasteners.co.nz

Home page Blacks Fasteners

Page Load Speed

11 sec in total

First Response

3.6 sec

Resources Loaded

6.8 sec

Page Rendered

510 ms

blacksfasteners.co.nz screenshot

About Website

Visit blacksfasteners.co.nz now to see the best up-to-date Blacks Fasteners content for Montenegro and also check out these interesting facts you probably never knew about blacksfasteners.co.nz

Black's Fasteners is a leading provider of high-quality fasteners. We offer a wide range of products including screws, nails, bolts, nuts, washers, and other fastening solutions.

Visit blacksfasteners.co.nz

Key Findings

We analyzed Blacksfasteners.co.nz page load time and found that the first response time was 3.6 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

blacksfasteners.co.nz performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value25.6 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.689

7/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

www.blacksfasteners.co.nz

3647 ms

fd22ba0f142d75296d594974a0fe5c59.min.css

113 ms

styles-l.min.css

152 ms

require.js

167 ms

mixins.js

170 ms

Our browser made a total of 200 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Blacksfasteners.co.nz, 95% (189 requests) were made to Cdn.blacksfasteners.co.nz and 2% (4 requests) were made to Eccspreports.report-uri.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Blacksfasteners.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 557.9 kB (10%)

Content Size

5.8 MB

After Optimization

5.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blacksfasteners.co.nz main page is 5.8 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. Only a small number of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 273.1 kB

  • Original 313.4 kB
  • After minification 267.6 kB
  • After compression 40.3 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 45.8 kB, which is 15% 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 273.1 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 186.6 kB

  • Original 4.9 MB
  • After minification 4.7 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. Blacks Fasteners images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 98.2 kB

  • Original 413.6 kB
  • After minification 403.4 kB
  • After compression 315.4 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 98.2 kB or 24% of the original size.

CSS Optimization

-0%

Potential reduce by 45 B

  • Original 124.9 kB
  • After minification 124.9 kB
  • After compression 124.8 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. Blacksfasteners.co.nz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 134 (70%)

Requests Now

192

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 192 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blacks Fasteners. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 112 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.blacksfasteners.co.nz

www.blacksfasteners.co.nz

3647 ms

fd22ba0f142d75296d594974a0fe5c59.min.css

fd22ba0f142d75296d594974a0fe5c59.min.css

113 ms

styles-l.min.css

styles-l.min.css

152 ms

require.js

require.js

167 ms

mixins.js

mixins.js

170 ms

requirejs-config.js

requirejs-config.js

170 ms

detect-device.js

detect-device.js

169 ms

71ecfc7adc681cdf2c796434d.js

71ecfc7adc681cdf2c796434d.js

201 ms

gtm.js

gtm.js

126 ms

BF_Logo_240x63.png

BF_Logo_240x63.png

15 ms

eye-empty.svg

eye-empty.svg

15 ms

arrow-down-icon.svg

arrow-down-icon.svg

14 ms

megaphone_v5.png

megaphone_v5.png

15 ms

abrasives-icon.png

abrasives-icon.png

866 ms

anchors-icon.png

anchors-icon.png

43 ms

bolts-icon.png

bolts-icon.png

44 ms

building-product-icon.png

building-product-icon.png

44 ms

chemicals-icon.png

chemicals-icon.png

42 ms

drills-_-Accessories-icon.png

drills-_-Accessories-icon.png

44 ms

engineering-supplies-icon.png

engineering-supplies-icon.png

47 ms

nails-icon.png

nails-icon.png

47 ms

nuts-icon.png

nuts-icon.png

47 ms

rivets-icon.png

rivets-icon.png

47 ms

screw-icon.png

screw-icon.png

46 ms

jquery.js

jquery.js

52 ms

common.js

common.js

49 ms

dataPost.js

dataPost.js

51 ms

bootstrap.js

bootstrap.js

49 ms

form-key-provider.js

form-key-provider.js

50 ms

messages.js

messages.js

67 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

63 ms

theme.js

theme.js

63 ms

domReady.js

domReady.js

61 ms

reportOnly

reportOnly

117 ms

index.js

index.js

98 ms

customer-data.js

customer-data.js

59 ms

translate.js

translate.js

61 ms

reportOnly

reportOnly

115 ms

custom-logo.png

custom-logo.png

87 ms

reportOnly

reportOnly

166 ms

embed.js

embed.js

87 ms

socket-product-icon.png

socket-product-icon.png

30 ms

threaded-rod-icon.png

threaded-rod-icon.png

31 ms

washers-icon.png

washers-icon.png

65 ms

other-miscellaneous-icon.png

other-miscellaneous-icon.png

69 ms

BPIR_logo.png

BPIR_logo.png

71 ms

Action_Can_Logo.png

Action_Can_Logo.png

71 ms

Bowmac_Logo.png

Bowmac_Logo.png

69 ms

Bostic_Logo.png

Bostic_Logo.png

82 ms

CRC_Logo.png

CRC_Logo.png

84 ms

Fisher_Logo.png

Fisher_Logo.png

84 ms

Lumberlock_Logo.png

Lumberlock_Logo.png

86 ms

Sutton-Logo_blue.png

Sutton-Logo_blue.png

87 ms

Tyrolit_for_brands_page_copy.png

Tyrolit_for_brands_page_copy.png

89 ms

Vibratite_Logo.png

Vibratite_Logo.png

88 ms

clear-icon.svg

clear-icon.svg

88 ms

search-icon.svg

search-icon.svg

91 ms

Webstore_Relaunch_DT_Banner.jpg

Webstore_Relaunch_DT_Banner.jpg

109 ms

BF_C_C_Banner.png

BF_C_C_Banner.png

93 ms

Industrial_Promo_SEP24.jpg

Industrial_Promo_SEP24.jpg

94 ms

helvetica-neue-400.woff

helvetica-neue-400.woff

88 ms

helvetica-neue-700.woff

helvetica-neue-700.woff

90 ms

owl.carousel.js

owl.carousel.js

104 ms

Product_Focus_SEP24_Builders_Website_tile_v22.jpg

Product_Focus_SEP24_Builders_Website_tile_v22.jpg

107 ms

Product_Focus_SEP24_Builders_Website_tile_v2.jpg

Product_Focus_SEP24_Builders_Website_tile_v2.jpg

111 ms

jquery-mixin.js

jquery-mixin.js

101 ms

main.js

main.js

103 ms

bootstrap.js

bootstrap.js

102 ms

CRC_mini_bike_AUG24.jpg

CRC_mini_bike_AUG24.jpg

105 ms

template.js

template.js

102 ms

confirm.js

confirm.js

90 ms

widget.js

widget.js

92 ms

jquery-migrate.js

jquery-migrate.js

91 ms

Big_Stage_DT.jpg

Big_Stage_DT.jpg

127 ms

Technical_Information_Icon_JAN221.jpg

Technical_Information_Icon_JAN221.jpg

91 ms

arrow-long-forward-icon.svg

arrow-long-forward-icon.svg

91 ms

Quick_Order_Icon_JAN22_1.jpg

Quick_Order_Icon_JAN22_1.jpg

90 ms

text.js

text.js

60 ms

reportOnly

reportOnly

53 ms

index.js

index.js

27 ms

underscore.js

underscore.js

57 ms

knockout.js

knockout.js

56 ms

section-config.js

section-config.js

55 ms

url.js

url.js

54 ms

storage.js

storage.js

87 ms

jquery.storageapi.extended.js

jquery.storageapi.extended.js

74 ms

mage.js

mage.js

74 ms

CatImagePdct_FH_II_Long_Heavy_Duty_Anchor.jpg

CatImagePdct_FH_II_Long_Heavy_Duty_Anchor.jpg

75 ms

PdctImage_Stainless_Steel_316_Hex_Set_Screw.jpg

PdctImage_Stainless_Steel_316_Hex_Set_Screw.jpg

1745 ms

PdctImage_Blacks_Winged_Decking_Screw_CsK_316_Stainless.jpg

PdctImage_Blacks_Winged_Decking_Screw_CsK_316_Stainless.jpg

71 ms

CatImage_Strucutral_HSFG_Washer.jpg

CatImage_Strucutral_HSFG_Washer.jpg

71 ms

PdctImage_Hex_Nut_Stainless.jpg

PdctImage_Hex_Nut_Stainless.jpg

72 ms

CatImage_Augers.jpg

CatImage_Augers.jpg

70 ms

arrow-long-forward-white-icon.svg

arrow-long-forward-white-icon.svg

69 ms

Big_Stage_DT.jpg

Big_Stage_DT.jpg

74 ms

Store_front.jpg

Store_front.jpg

69 ms

Project_hightlight_Rangiora.jpg

Project_hightlight_Rangiora.jpg

70 ms

Project_highlight.jpg

Project_highlight.jpg

57 ms

back-to-top-icon.svg

back-to-top-icon.svg

54 ms

fast-delivery-icon.png

fast-delivery-icon.png

56 ms

order-accuracy-icon.png

order-accuracy-icon.png

57 ms

Click_Collect_90x90.png

Click_Collect_90x90.png

56 ms

our-guarantee-icon.png

our-guarantee-icon.png

56 ms

Proudly_NZ_Icon_330.png

Proudly_NZ_Icon_330.png

55 ms

30_Plus_Years_Icon_330.png

30_Plus_Years_Icon_330.png

55 ms

visa.png

visa.png

54 ms

mastercard.png

mastercard.png

54 ms

farmlands_1.png

farmlands_1.png

53 ms

wrapper.js

wrapper.js

36 ms

knockout-es5.js

knockout-es5.js

36 ms

modal.js

modal.js

34 ms

Action_Can_160px_x_100px.jpg

Action_Can_160px_x_100px.jpg

872 ms

Bostik_160px_x_100px5.jpg

Bostik_160px_x_100px5.jpg

869 ms

fischer_160px_x_100px7.jpg

fischer_160px_x_100px7.jpg

950 ms

Wera_160px_x_100px13.jpg

Wera_160px_x_100px13.jpg

31 ms

JCS_160px_x_100px8.jpg

JCS_160px_x_100px8.jpg

873 ms

Keil_160px_x_100px9.jpg

Keil_160px_x_100px9.jpg

1559 ms

Vibra-tite_160px_x_100px12.jpg

Vibra-tite_160px_x_100px12.jpg

1771 ms

Tyrolit.png

Tyrolit.png

1770 ms

black-block.png

black-block.png

2414 ms

scripts.js

scripts.js

934 ms

engine.js

engine.js

935 ms

bootstrap.js

bootstrap.js

938 ms

observable_array.js

observable_array.js

946 ms

bound-nodes.js

bound-nodes.js

947 ms

version.js

version.js

957 ms

jquery.cookie.js

jquery.cookie.js

958 ms

jquery.storageapi.min.js

jquery.storageapi.min.js

958 ms

key-codes.js

key-codes.js

954 ms

core.js

core.js

953 ms

z-index.js

z-index.js

958 ms

js-translation.json

js-translation.json

43 ms

knockout-repeat.js

knockout-repeat.js

31 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

34 ms

observable_source.js

observable_source.js

33 ms

renderer.js

renderer.js

37 ms

console-logger.js

console-logger.js

37 ms

resizable.js

resizable.js

39 ms

i18n.js

i18n.js

42 ms

scope.js

scope.js

44 ms

range.js

range.js

46 ms

mage-init.js

mage-init.js

48 ms

keyboard.js

keyboard.js

50 ms

optgroup.js

optgroup.js

53 ms

after-render.js

after-render.js

54 ms

autoselect.js

autoselect.js

57 ms

datepicker.js

datepicker.js

58 ms

outer_click.js

outer_click.js

61 ms

fadeVisible.js

fadeVisible.js

69 ms

collapsible.js

collapsible.js

71 ms

staticChecked.js

staticChecked.js

74 ms

simple-checked.js

simple-checked.js

76 ms

events.js

events.js

76 ms

bind-html.js

bind-html.js

76 ms

tooltip.js

tooltip.js

79 ms

color-picker.js

color-picker.js

81 ms

modal-popup.html

modal-popup.html

79 ms

modal-slide.html

modal-slide.html

81 ms

data.js

data.js

83 ms

disable-selection.js

disable-selection.js

84 ms

focusable.js

focusable.js

87 ms

form.js

form.js

88 ms

ie.js

ie.js

88 ms

keycode.js

keycode.js

91 ms

labels.js

labels.js

92 ms

jquery-patch.js

jquery-patch.js

93 ms

plugin.js

plugin.js

92 ms

safe-active-element.js

safe-active-element.js

92 ms

modal-custom.html

modal-custom.html

91 ms

safe-blur.js

safe-blur.js

92 ms

scroll-parent.js

scroll-parent.js

91 ms

tabbable.js

tabbable.js

92 ms

unique-id.js

unique-id.js

91 ms

class.js

class.js

92 ms

local.js

local.js

91 ms

loader.js

loader.js

91 ms

async.js

async.js

91 ms

registry.js

registry.js

91 ms

logger.js

logger.js

92 ms

entry-factory.js

entry-factory.js

84 ms

console-output-handler.js

console-output-handler.js

85 ms

formatter.js

formatter.js

85 ms

message-pool.js

message-pool.js

85 ms

levels-pool.js

levels-pool.js

85 ms

logger-utils.js

logger-utils.js

85 ms

main.js

main.js

84 ms

spectrum.js

spectrum.js

87 ms

tinycolor.js

tinycolor.js

87 ms

dom-observer.js

dom-observer.js

32 ms

bindings.js

bindings.js

34 ms

entry.js

entry.js

29 ms

moment.js

moment.js

30 ms

template.js

template.js

35 ms

tooltip.html

tooltip.html

24 ms

arrays.js

arrays.js

23 ms

compare.js

compare.js

26 ms

misc.js

misc.js

29 ms

objects.js

objects.js

31 ms

strings.js

strings.js

33 ms

print.min.css

print.min.css

3 ms

Accessibility Review

blacksfasteners.co.nz accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

blacksfasteners.co.nz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

blacksfasteners.co.nz SEO score

77

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

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 Blacksfasteners.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 Blacksfasteners.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

blacksfasteners.co.nz

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