Tools & Wizards About Us
knfilters.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

knfilters.com

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

Page Load Speed

16.5 sec in total

First Response

31 ms

Resources Loaded

1.8 sec

Page Rendered

14.7 sec

knfilters.com screenshot

About Website

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

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.com

Key Findings

We analyzed Knfilters.com page load time and found that the first response time was 31 ms and then it took 16.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

knfilters.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value54.7 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value3,160 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

knfilters.com

31 ms

knfilters.com

48 ms

www.knfilters.com

193 ms

calendar.css

36 ms

styles-m.css

69 ms

Our browser made a total of 197 requests to load all elements on the main page. We found that 67% of them (132 requests) were addressed to the original Knfilters.com, 23% (45 requests) were made to Res.cloudinary.com and 4% (8 requests) were made to Static.klaviyo.com. The less responsive or slowest element that took the longest time to load (863 ms) relates to the external source Res.cloudinary.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.5 kB (2%)

Content Size

14.3 MB

After Optimization

14.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Knfilters.com main page is 14.3 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 13.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 196.0 kB

  • Original 239.3 kB
  • After minification 235.2 kB
  • After compression 43.3 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. 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 196.0 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.7 MB
  • After minification 13.7 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. Kn Filters images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.7 kB

  • Original 164.3 kB
  • After minification 164.3 kB
  • After compression 159.6 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

-80%

Potential reduce by 122.8 kB

  • Original 154.5 kB
  • After minification 31.7 kB
  • After compression 31.7 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.com needs all CSS files to be minified and compressed as it can save up to 122.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 131 (73%)

Requests Now

180

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 180 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 125 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

knfilters.com

knfilters.com

31 ms

knfilters.com

knfilters.com

48 ms

www.knfilters.com

www.knfilters.com

193 ms

calendar.css

calendar.css

36 ms

styles-m.css

styles-m.css

69 ms

afterpay-express-checkout.css

afterpay-express-checkout.css

52 ms

main.css

main.css

64 ms

styles-l.css

styles-l.css

52 ms

require.js

require.js

64 ms

disabled.js

disabled.js

68 ms

mixins.js

mixins.js

123 ms

requirejs-config.js

requirejs-config.js

123 ms

css

css

62 ms

css

css

121 ms

wzbody.js

wzbody.js

37 ms

klaviyo.js

klaviyo.js

42 ms

tag.js

tag.js

292 ms

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453 ms

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595 ms

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463 ms

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454 ms

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415 ms

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509 ms

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717 ms

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712 ms

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699 ms

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711 ms

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702 ms

cld_65fd70400921d_33-2438_3D.png

cld_65fd70400921d_33-2438_3D.png

715 ms

airfilter1.jpg

airfilter1.jpg

701 ms

intake1.jpg

intake1.jpg

703 ms

cabin1.jpg

cabin1.jpg

713 ms

oil1.jpg

oil1.jpg

713 ms

cleaning-group.jpg

cleaning-group.jpg

712 ms

77-1005KC_1_yakhlq.png

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811 ms

exhaust1.jpg

exhaust1.jpg

714 ms

kn-powersports3.jpg

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774 ms

tuning1.jpg

tuning1.jpg

716 ms

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719 ms

fluidchem_vjtqk4.jpg

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714 ms

Industrial_filter_icon_aixd0n.png

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832 ms

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772 ms

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770 ms

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771 ms

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774 ms

KenOn100xPerrisApril15_1962_smjmew.jpg

KenOn100xPerrisApril15_1962_smjmew.jpg

776 ms

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792 ms

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799 ms

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801 ms

Tacoma_Oil_Change_2_o5nwoe.jpg

Tacoma_Oil_Change_2_o5nwoe.jpg

796 ms

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69-8624TC_ALT_2_op4g6f.jpg

823 ms

Kachow-2_k3aqet.jpg

Kachow-2_k3aqet.jpg

863 ms

logo.svg

logo.svg

270 ms

stars.jpg

stars.jpg

270 ms

jquery.js

jquery.js

266 ms

common.js

common.js

267 ms

dataPost.js

dataPost.js

267 ms

bootstrap.js

bootstrap.js

263 ms

app.js

app.js

337 ms

form-key-provider.js

form-key-provider.js

335 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

335 ms

theme.js

theme.js

333 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

342 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

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363 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

396 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

436 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

436 ms

fender_analytics.113876fdc67592e7cbfd.js

fender_analytics.113876fdc67592e7cbfd.js

357 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

358 ms

runtime.575e76507d014c43b1b9.js

runtime.575e76507d014c43b1b9.js

126 ms

sharedUtils.ef3296608bc2583174d6.js

sharedUtils.ef3296608bc2583174d6.js

254 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

307 ms

vendors~signup_forms~onsite-triggering.733ed8744f200f7d4d54.js

vendors~signup_forms~onsite-triggering.733ed8744f200f7d4d54.js

308 ms

vendors~signup_forms.824396622be3ec2234ff.js

vendors~signup_forms.824396622be3ec2234ff.js

306 ms

default~signup_forms~onsite-triggering.968e4cc173bff13b788f.js

default~signup_forms~onsite-triggering.968e4cc173bff13b788f.js

307 ms

signup_forms.ea381fabab056fd7e65a.js

signup_forms.ea381fabab056fd7e65a.js

322 ms

slick.min.js

slick.min.js

325 ms

domReady.js

domReady.js

332 ms

Luma-Icons.woff

Luma-Icons.woff

316 ms

fontastic.ttf

fontastic.ttf

317 ms

jquery-mixin.js

jquery-mixin.js

257 ms

accordion.js

accordion.js

255 ms

main.js

main.js

172 ms

bootstrap.js

bootstrap.js

177 ms

template.js

template.js

159 ms

confirm.js

confirm.js

161 ms

widget.js

widget.js

156 ms

C56A0088_zo0a8t.jpg

C56A0088_zo0a8t.jpg

503 ms

text.js

text.js

101 ms

smart-keyboard-handler.js

smart-keyboard-handler.js

103 ms

mage.js

mage.js

152 ms

types.js

types.js

151 ms

layout.js

layout.js

151 ms

main.js

main.js

93 ms

C56A8745-3_bfei3g.jpg

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409 ms

darkened_image_jie4ub.jpg

darkened_image_jie4ub.jpg

552 ms

redorange_u2gvw2.jpg

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384 ms

footer-logo-2_j2zzsg

footer-logo-2_j2zzsg

428 ms

Type_Color_showSymbol_True_showText_True_ufspsh.png

Type_Color_showSymbol_True_showText_True_ufspsh.png

434 ms

tabs.js

tabs.js

27 ms

wrapper.js

wrapper.js

39 ms

underscore.js

underscore.js

32 ms

js-translation.json

js-translation.json

204 ms

knockout.js

knockout.js

195 ms

knockout-es5.js

knockout-es5.js

24 ms

translate.js

translate.js

195 ms

modal.js

modal.js

193 ms

Type_Default_pahnb2.png

Type_Default_pahnb2.png

347 ms

scripts.js

scripts.js

189 ms

version.js

version.js

187 ms

engine.js

engine.js

188 ms

bootstrap.js

bootstrap.js

187 ms

observable_array.js

observable_array.js

189 ms

bound-nodes.js

bound-nodes.js

188 ms

main.js

main.js

188 ms

registry.js

registry.js

188 ms

console-logger.js

console-logger.js

188 ms

tabs.js

tabs.js

183 ms

collapsible.js

collapsible.js

186 ms

ajax-loader.gif

ajax-loader.gif

78 ms

Type_Color_showText_False_showSymbol_True_knzlaw.png

Type_Color_showText_False_showSymbol_True_knzlaw.png

167 ms

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170 ms

modal-popup.html

modal-popup.html

91 ms

modal-slide.html

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120 ms

modal-custom.html

modal-custom.html

100 ms

key-codes.js

key-codes.js

48 ms

core.js

core.js

45 ms

z-index.js

z-index.js

44 ms

knockout-repeat.js

knockout-repeat.js

47 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

57 ms

events.js

events.js

59 ms

local.js

local.js

60 ms

storage-wrapper.js

storage-wrapper.js

77 ms

observable_source.js

observable_source.js

82 ms

renderer.js

renderer.js

77 ms

resizable.js

resizable.js

86 ms

i18n.js

i18n.js

92 ms

scope.js

scope.js

96 ms

range.js

range.js

101 ms

mage-init.js

mage-init.js

104 ms

keyboard.js

keyboard.js

114 ms

optgroup.js

optgroup.js

146 ms

after-render.js

after-render.js

132 ms

autoselect.js

autoselect.js

119 ms

datepicker.js

datepicker.js

123 ms

outer_click.js

outer_click.js

145 ms

fadeVisible.js

fadeVisible.js

147 ms

collapsible.js

collapsible.js

146 ms

staticChecked.js

staticChecked.js

150 ms

simple-checked.js

simple-checked.js

158 ms

bind-html.js

bind-html.js

184 ms

tooltip.js

tooltip.js

174 ms

color-picker.js

color-picker.js

170 ms

arrays.js

arrays.js

168 ms

compare.js

compare.js

171 ms

misc.js

misc.js

188 ms

objects.js

objects.js

190 ms

strings.js

strings.js

194 ms

template.js

template.js

190 ms

keycode.js

keycode.js

197 ms

safe-active-element.js

safe-active-element.js

206 ms

unique-id.js

unique-id.js

205 ms

logger.js

logger.js

187 ms

entry-factory.js

entry-factory.js

191 ms

console-output-handler.js

console-output-handler.js

181 ms

formatter.js

formatter.js

183 ms

message-pool.js

message-pool.js

183 ms

levels-pool.js

levels-pool.js

187 ms

logger-utils.js

logger-utils.js

176 ms

data.js

data.js

180 ms

disable-selection.js

disable-selection.js

172 ms

focusable.js

focusable.js

184 ms

form.js

form.js

180 ms

ie.js

ie.js

177 ms

labels.js

labels.js

185 ms

jquery-patch.js

jquery-patch.js

180 ms

plugin.js

plugin.js

168 ms

safe-blur.js

safe-blur.js

179 ms

scroll-parent.js

scroll-parent.js

168 ms

tabbable.js

tabbable.js

164 ms

js.storage.js

js.storage.js

164 ms

loader.js

loader.js

167 ms

class.js

class.js

176 ms

async.js

async.js

167 ms

spectrum.js

spectrum.js

152 ms

tinycolor.js

tinycolor.js

156 ms

tooltip.html

tooltip.html

223 ms

entry.js

entry.js

111 ms

moment.js

moment.js

101 ms

jquery.cookie.js

jquery.cookie.js

49 ms

dom-observer.js

dom-observer.js

31 ms

bindings.js

bindings.js

39 ms

cookie-wrapper.js

cookie-wrapper.js

28 ms

js.cookie.js

js.cookie.js

31 ms

print.css

print.css

38 ms

Accessibility Review

knfilters.com accessibility score

73

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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.com 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.com 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 Knfilters.com 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.com 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.com

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: