Tools & Wizards About Us
knfilters.co.uk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

knfilters.co.uk

Washable Air Filters, Cabin Filters, Cold Air Kits & Oil Filters | K&N

Page Load Speed

1.9 sec in total

First Response

22 ms

Resources Loaded

1.5 sec

Page Rendered

363 ms

knfilters.co.uk screenshot

About Website

Visit knfilters.co.uk now to see the best up-to-date Kn Filters content for United Kingdom and also check out these interesting facts you probably never knew about knfilters.co.uk

Shop replacement K&N air filters, cold air intakes, oil filters, cabin filters, home air filters, and other high performance parts. Factory direct from the official K&N website.

Visit knfilters.co.uk

Key Findings

We analyzed Knfilters.co.uk page load time and found that the first response time was 22 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

knfilters.co.uk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value2,000 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

knfilters.co.uk

22 ms

knfilters.co.uk

44 ms

www.knfilters.co.uk

150 ms

calendar.css

105 ms

styles-m.css

65 ms

Our browser made a total of 165 requests to load all elements on the main page. We found that 84% of them (138 requests) were addressed to the original Knfilters.co.uk, 5% (9 requests) were made to Static.klaviyo.com and 4% (6 requests) were made to Res.cloudinary.com. The less responsive or slowest element that took the longest time to load (397 ms) belongs to the original domain Knfilters.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.6 kB (35%)

Content Size

709.9 kB

After Optimization

461.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knfilters.co.uk main page is 709.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 234.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 135.3 kB

  • Original 170.5 kB
  • After minification 168.7 kB
  • After compression 35.2 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 135.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 111 B

  • Original 234.5 kB
  • After minification 234.3 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. Kn Filters images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 271 B

  • Original 161.8 kB
  • After minification 161.8 kB
  • After compression 161.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 112.9 kB

  • Original 143.2 kB
  • After minification 30.4 kB
  • After compression 30.3 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. Knfilters.co.uk needs all CSS files to be minified and compressed as it can save up to 112.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 131 (85%)

Requests Now

155

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kn Filters. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 126 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

knfilters.co.uk

knfilters.co.uk

22 ms

knfilters.co.uk

knfilters.co.uk

44 ms

www.knfilters.co.uk

www.knfilters.co.uk

150 ms

calendar.css

calendar.css

105 ms

styles-m.css

styles-m.css

65 ms

afterpay-express-checkout.css

afterpay-express-checkout.css

49 ms

main.css

main.css

41 ms

styles-l.css

styles-l.css

230 ms

require.js

require.js

43 ms

disabled.js

disabled.js

103 ms

mixins.js

mixins.js

156 ms

requirejs-config.js

requirejs-config.js

104 ms

css

css

47 ms

klaviyo.js

klaviyo.js

36 ms

wzbody.js

wzbody.js

32 ms

klaviyo.js

klaviyo.js

27 ms

all-brands-aem-banner.jpg

all-brands-aem-banner.jpg

248 ms

logo.svg

logo.svg

73 ms

intake1.jpg

intake1.jpg

74 ms

airfilter1.jpg

airfilter1.jpg

72 ms

kn-powersports3.jpg

kn-powersports3.jpg

73 ms

cabin1.jpg

cabin1.jpg

72 ms

oil1.jpg

oil1.jpg

72 ms

tuning1.jpg

tuning1.jpg

123 ms

cleaning-group.jpg

cleaning-group.jpg

142 ms

accessories.jpg

accessories.jpg

123 ms

all-brands-airaid-banner.jpg

all-brands-airaid-banner.jpg

391 ms

footer-logo-2_j2zzsg

footer-logo-2_j2zzsg

322 ms

Type_Color_showSymbol_True_showText_True_ufspsh.png

Type_Color_showSymbol_True_showText_True_ufspsh.png

298 ms

Type_Default_pahnb2.png

Type_Default_pahnb2.png

297 ms

Type_Color_showText_False_showSymbol_True_knzlaw.png

Type_Color_showText_False_showSymbol_True_knzlaw.png

318 ms

jquery.js

jquery.js

121 ms

common.js

common.js

120 ms

dataPost.js

dataPost.js

107 ms

bootstrap.js

bootstrap.js

175 ms

app.js

app.js

174 ms

fender_analytics.113876fdc67592e7cbfd.js

fender_analytics.113876fdc67592e7cbfd.js

135 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

170 ms

runtime.694173af1af37235b81c.js

runtime.694173af1af37235b81c.js

6 ms

sharedUtils.262b9d5b04521b0abe69.js

sharedUtils.262b9d5b04521b0abe69.js

67 ms

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.b0930143925bb765e2d3.js

vendors~signup_forms~post_identification_sync~web_personalization~reviews~atlas.b0930143925bb765e2d3.js

67 ms

vendors~signup_forms~onsite-triggering.075e2d585f48aa57970c.js

vendors~signup_forms~onsite-triggering.075e2d585f48aa57970c.js

70 ms

vendors~signup_forms.824396622be3ec2234ff.js

vendors~signup_forms.824396622be3ec2234ff.js

67 ms

default~signup_forms~onsite-triggering.7bb43bc517eb01fa9d10.js

default~signup_forms~onsite-triggering.7bb43bc517eb01fa9d10.js

92 ms

signup_forms.b7c12cd5cd254fe7a4bd.js

signup_forms.b7c12cd5cd254fe7a4bd.js

92 ms

form-key-provider.js

form-key-provider.js

171 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

169 ms

theme.js

theme.js

168 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

152 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

214 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

217 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

217 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

217 ms

Luma-Icons.woff

Luma-Icons.woff

217 ms

fontastic.ttf

fontastic.ttf

230 ms

tag.js

tag.js

167 ms

jquery-mixin.js

jquery-mixin.js

129 ms

template.js

template.js

122 ms

confirm.js

confirm.js

122 ms

widget.js

widget.js

122 ms

domReady.js

domReady.js

152 ms

slick.min.js

slick.min.js

81 ms

main.js

main.js

80 ms

bootstrap.js

bootstrap.js

80 ms

smart-keyboard-handler.js

smart-keyboard-handler.js

114 ms

mage.js

mage.js

114 ms

text.js

text.js

111 ms

accordion.js

accordion.js

97 ms

types.js

types.js

93 ms

layout.js

layout.js

266 ms

underscore.js

underscore.js

55 ms

wrapper.js

wrapper.js

61 ms

translate.js

translate.js

70 ms

modal.js

modal.js

60 ms

version.js

version.js

62 ms

knockout.js

knockout.js

76 ms

knockout-es5.js

knockout-es5.js

87 ms

scripts.js

scripts.js

48 ms

engine.js

engine.js

65 ms

bootstrap.js

bootstrap.js

60 ms

observable_array.js

observable_array.js

73 ms

bound-nodes.js

bound-nodes.js

80 ms

main.js

main.js

69 ms

main.js

main.js

78 ms

js-translation.json

js-translation.json

152 ms

tabs.js

tabs.js

83 ms

modal-popup.html

modal-popup.html

349 ms

modal-slide.html

modal-slide.html

160 ms

modal-custom.html

modal-custom.html

397 ms

key-codes.js

key-codes.js

90 ms

core.js

core.js

115 ms

z-index.js

z-index.js

135 ms

logo.svg

logo.svg

67 ms

logo.svg

logo.svg

58 ms

knockout-repeat.js

knockout-repeat.js

125 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

118 ms

renderer.js

renderer.js

145 ms

resizable.js

resizable.js

138 ms

i18n.js

i18n.js

144 ms

scope.js

scope.js

156 ms

range.js

range.js

159 ms

mage-init.js

mage-init.js

166 ms

keyboard.js

keyboard.js

172 ms

optgroup.js

optgroup.js

182 ms

after-render.js

after-render.js

185 ms

autoselect.js

autoselect.js

187 ms

datepicker.js

datepicker.js

193 ms

outer_click.js

outer_click.js

208 ms

fadeVisible.js

fadeVisible.js

204 ms

collapsible.js

collapsible.js

211 ms

staticChecked.js

staticChecked.js

220 ms

simple-checked.js

simple-checked.js

225 ms

bind-html.js

bind-html.js

232 ms

tooltip.js

tooltip.js

310 ms

color-picker.js

color-picker.js

248 ms

observable_source.js

observable_source.js

246 ms

console-logger.js

console-logger.js

258 ms

events.js

events.js

260 ms

arrays.js

arrays.js

269 ms

compare.js

compare.js

271 ms

misc.js

misc.js

282 ms

objects.js

objects.js

290 ms

strings.js

strings.js

272 ms

template.js

template.js

251 ms

tabs.js

tabs.js

250 ms

collapsible.js

collapsible.js

272 ms

data.js

data.js

239 ms

disable-selection.js

disable-selection.js

243 ms

focusable.js

focusable.js

236 ms

form.js

form.js

241 ms

ie.js

ie.js

236 ms

keycode.js

keycode.js

231 ms

labels.js

labels.js

238 ms

jquery-patch.js

jquery-patch.js

238 ms

plugin.js

plugin.js

231 ms

safe-active-element.js

safe-active-element.js

224 ms

safe-blur.js

safe-blur.js

228 ms

scroll-parent.js

scroll-parent.js

213 ms

tabbable.js

tabbable.js

229 ms

unique-id.js

unique-id.js

225 ms

registry.js

registry.js

228 ms

async.js

async.js

217 ms

loader.js

loader.js

214 ms

class.js

class.js

173 ms

spectrum.js

spectrum.js

185 ms

tinycolor.js

tinycolor.js

191 ms

local.js

local.js

174 ms

logger.js

logger.js

176 ms

entry-factory.js

entry-factory.js

265 ms

console-output-handler.js

console-output-handler.js

180 ms

formatter.js

formatter.js

194 ms

message-pool.js

message-pool.js

175 ms

levels-pool.js

levels-pool.js

170 ms

logger-utils.js

logger-utils.js

166 ms

tooltip.html

tooltip.html

226 ms

storage-wrapper.js

storage-wrapper.js

119 ms

dom-observer.js

dom-observer.js

56 ms

bindings.js

bindings.js

61 ms

moment.js

moment.js

33 ms

js.storage.js

js.storage.js

26 ms

jquery.cookie.js

jquery.cookie.js

27 ms

entry.js

entry.js

39 ms

cookie-wrapper.js

cookie-wrapper.js

33 ms

js.cookie.js

js.cookie.js

26 ms

print.css

print.css

31 ms

Accessibility Review

knfilters.co.uk accessibility score

71

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

ARIA IDs are not unique

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

Some elements have a [tabindex] value greater than 0

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

Form elements do not have associated labels

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

knfilters.co.uk best practices score

83

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

Browser errors were logged to the console

SEO Factors

knfilters.co.uk SEO score

81

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

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 Knfilters.co.uk 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 Knfilters.co.uk 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

knfilters.co.uk

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