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nationalallergy.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

nationalallergy.com

Allergy Relief & Hypoallergenic Products | National Allergy

Page Load Speed

2.7 sec in total

First Response

43 ms

Resources Loaded

2.4 sec

Page Rendered

243 ms

nationalallergy.com screenshot

About Website

Welcome to nationalallergy.com homepage info - get ready to check National Allergy best content for United States right away, or after learning these important things about nationalallergy.com

Discover a wide selection of hypoallergenic allergy relief products at National Allergy Supply. Our inventory includes bedding, humidifiers, vacuums and more!

Visit nationalallergy.com

Key Findings

We analyzed Nationalallergy.com page load time and found that the first response time was 43 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

nationalallergy.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.971

2/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

nationalallergy.com

43 ms

www.natlallergy.com

224 ms

calendar.css

20 ms

styles-m.css

65 ms

unslider.css

42 ms

Our browser made a total of 268 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Nationalallergy.com, 81% (218 requests) were made to Natlallergy.com and 3% (8 requests) were made to Static.klaviyo.com. The less responsive or slowest element that took the longest time to load (619 ms) relates to the external source Static.wufoo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.9 kB (11%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nationalallergy.com main page is 1.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 808.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 125.9 kB

  • Original 156.1 kB
  • After minification 154.9 kB
  • After compression 30.2 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 125.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 967 B

  • Original 210.8 kB
  • After minification 209.8 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. National Allergy images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 15.6 kB

  • Original 808.3 kB
  • After minification 808.2 kB
  • After compression 792.7 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

-3%

Potential reduce by 2.5 kB

  • Original 96.4 kB
  • After minification 96.4 kB
  • After compression 93.9 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. Nationalallergy.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 205 (79%)

Requests Now

258

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 258 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Allergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 189 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nationalallergy.com

nationalallergy.com

43 ms

www.natlallergy.com

www.natlallergy.com

224 ms

calendar.css

calendar.css

20 ms

styles-m.css

styles-m.css

65 ms

unslider.css

unslider.css

42 ms

custom.css

custom.css

41 ms

chosen.min.css

chosen.min.css

42 ms

swiper.min.css

swiper.min.css

42 ms

affirm-promo.css

affirm-promo.css

88 ms

ec.css

ec.css

96 ms

apptrian_subcategories.css

apptrian_subcategories.css

95 ms

styles-l.css

styles-l.css

96 ms

nas.css

nas.css

99 ms

require.js

require.js

99 ms

mixins.js

mixins.js

105 ms

requirejs-config.js

requirejs-config.js

112 ms

ec.js

ec.js

118 ms

storeCookieChecker.js

storeCookieChecker.js

109 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

109 ms

js

js

133 ms

klaviyo.js

klaviyo.js

106 ms

font-awesome.min.css

font-awesome.min.css

133 ms

platform.js

platform.js

116 ms

email-decode.min.js

email-decode.min.js

106 ms

seal.js

seal.js

230 ms

seal_js.php

seal_js.php

28 ms

getgeotrustsslseal

getgeotrustsslseal

7 ms

71068_medal.js

71068_medal.js

129 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

214 ms

bat.js

bat.js

265 ms

fbevents.js

fbevents.js

307 ms

fender_analytics.113876fdc67592e7cbfd.js

fender_analytics.113876fdc67592e7cbfd.js

307 ms

static.047f24ade89e4aff54a9.js

static.047f24ade89e4aff54a9.js

341 ms

runtime.7dea67c1e75d4ade908e.js

runtime.7dea67c1e75d4ade908e.js

97 ms

sharedUtils.9a6c7cead1cefc328bca.js

sharedUtils.9a6c7cead1cefc328bca.js

107 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

262 ms

vendors~signup_forms~post_identification_sync~onsite-triggering.98adbd4f3c00592d4b9b.js

vendors~signup_forms~post_identification_sync~onsite-triggering.98adbd4f3c00592d4b9b.js

261 ms

vendors~signup_forms.87a8144324ad4ca548d7.js

vendors~signup_forms.87a8144324ad4ca548d7.js

261 ms

default~signup_forms~onsite-triggering.39d05cf4fd44271c1730.js

default~signup_forms~onsite-triggering.39d05cf4fd44271c1730.js

261 ms

signup_forms.14aea6243661fa58c6fa.js

signup_forms.14aea6243661fa58c6fa.js

261 ms

gtm.js

gtm.js

260 ms

jquery.js

jquery.js

252 ms

common.js

common.js

98 ms

dataPost.js

dataPost.js

97 ms

bootstrap.js

bootstrap.js

100 ms

form-key-provider.js

form-key-provider.js

98 ms

mage-translation-dictionary.js

mage-translation-dictionary.js

247 ms

theme.js

theme.js

293 ms

cookies.js

cookies.js

288 ms

national-allergy-3000836.png

national-allergy-3000836.png

362 ms

widget.js

widget.js

389 ms

71068_medal.gif

71068_medal.gif

245 ms

lowprice_logo_Revised.gif

lowprice_logo_Revised.gif

245 ms

NAS-ClassicLogo.png

NAS-ClassicLogo.png

251 ms

Warehouse_Sale_1_1.jpg

Warehouse_Sale_1_1.jpg

250 ms

homepage_woman_doctor_crop.jpg

homepage_woman_doctor_crop.jpg

250 ms

SmartSilk_Pillows_RESIZED2.jpg

SmartSilk_Pillows_RESIZED2.jpg

292 ms

Alorair_HD55-Resized_2.png

Alorair_HD55-Resized_2.png

292 ms

Miele_C3_Brilliant_200x200_1.jpg

Miele_C3_Brilliant_200x200_1.jpg

292 ms

Austin_Air_Healthmate-Plus-Resized-200x200_1.webp

Austin_Air_Healthmate-Plus-Resized-200x200_1.webp

291 ms

homepage_woman_doctor.jpg

homepage_woman_doctor.jpg

290 ms

dust_mites.png

dust_mites.png

292 ms

sensitive_skin.png

sensitive_skin.png

346 ms

mold_mildew.png

mold_mildew.png

347 ms

bacteria.png

bacteria.png

340 ms

pet_dander.png

pet_dander.png

340 ms

fragrences.png

fragrences.png

341 ms

dust_allergies.png

dust_allergies.png

343 ms

sinus.png

sinus.png

349 ms

bed_bugs.png

bed_bugs.png

349 ms

asthma.png

asthma.png

351 ms

pollen.png

pollen.png

363 ms

blank.png

blank.png

362 ms

ohio.png

ohio.png

362 ms

chs-thrive-logo.png

chs-thrive-logo.png

364 ms

gh.png

gh.png

365 ms

health-logo-blue.png

health-logo-blue.png

362 ms

guarantee.png

guarantee.png

398 ms

customers2.png

customers2.png

376 ms

dh.jpg

dh.jpg

371 ms

jquery-mixin.js

jquery-mixin.js

332 ms

autocomplete.js

autocomplete.js

328 ms

typeahead.js

typeahead.js

324 ms

opensans-400.woff

opensans-400.woff

351 ms

secure90x72.gif

secure90x72.gif

221 ms

opensans-300.woff

opensans-300.woff

291 ms

opensans-600.woff

opensans-600.woff

303 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

81 ms

4041807.js

4041807.js

64 ms

opensans-700.woff

opensans-700.woff

255 ms

compat.js

compat.js

159 ms

template.js

template.js

157 ms

confirm.js

confirm.js

157 ms

widget.js

widget.js

195 ms

domReady.js

domReady.js

196 ms

main.js

main.js

155 ms

bootstrap.js

bootstrap.js

160 ms

modal.js

modal.js

158 ms

iframeResizer.min.js

iframeResizer.min.js

160 ms

badge

badge

120 ms

weltpixel_ga4_persistentlayer.js

weltpixel_ga4_persistentlayer.js

125 ms

weltpixel_ga4_gtm.js

weltpixel_ga4_gtm.js

111 ms

Blank-Theme-Icons.woff

Blank-Theme-Icons.woff

216 ms

text.js

text.js

119 ms

jquery-migrate.js

jquery-migrate.js

116 ms

unslider.js

unslider.js

123 ms

customer-data.js

customer-data.js

122 ms

form.js

form.js

363 ms

customer-data-mixin.js

customer-data-mixin.js

135 ms

mage.js

mage.js

135 ms

jquery.cookie.js

jquery.cookie.js

144 ms

smart-keyboard-handler.js

smart-keyboard-handler.js

134 ms

ie-class-fixer.js

ie-class-fixer.js

143 ms

bch.jpg

bch.jpg

144 ms

lausd.jpg

lausd.jpg

144 ms

msbi.jpg

msbi.jpg

150 ms

p.jpg

p.jpg

149 ms

bbb.jpg

bbb.jpg

152 ms

underscore.js

underscore.js

144 ms

ala.jpg

ala.jpg

142 ms

logo.png

logo.png

152 ms

widget.css

widget.css

223 ms

wrapper.js

wrapper.js

132 ms

core.js

core.js

119 ms

accordion.js

accordion.js

132 ms

autocomplete.js

autocomplete.js

132 ms

button.js

button.js

142 ms

datepicker.js

datepicker.js

142 ms

gray_stars_large.png

gray_stars_large.png

45 ms

orange_stars_large.png

orange_stars_large.png

32 ms

gcr_logo_stacked.png

gcr_logo_stacked.png

31 ms

dialog.js

dialog.js

101 ms

draggable.js

draggable.js

113 ms

main.js

main.js

111 ms

droppable.js

droppable.js

111 ms

effect-blind.js

effect-blind.js

118 ms

effect-bounce.js

effect-bounce.js

118 ms

effect-clip.js

effect-clip.js

119 ms

effect-drop.js

effect-drop.js

139 ms

effect-explode.js

effect-explode.js

119 ms

effect-fade.js

effect-fade.js

108 ms

effect-fold.js

effect-fold.js

115 ms

effect-highlight.js

effect-highlight.js

110 ms

effect-scale.js

effect-scale.js

109 ms

effect-pulsate.js

effect-pulsate.js

91 ms

effect-shake.js

effect-shake.js

91 ms

effect-slide.js

effect-slide.js

91 ms

effect-transfer.js

effect-transfer.js

88 ms

effect.js

effect.js

93 ms

menu.js

menu.js

82 ms

mouse.js

mouse.js

86 ms

position.js

position.js

85 ms

progressbar.js

progressbar.js

87 ms

resizable.js

resizable.js

83 ms

selectable.js

selectable.js

83 ms

selectmenu.js

selectmenu.js

89 ms

sortable.js

sortable.js

89 ms

spinner.js

spinner.js

79 ms

tabs.js

tabs.js

85 ms

timepicker.js

timepicker.js

85 ms

tooltip.js

tooltip.js

81 ms

translate.js

translate.js

75 ms

version.js

version.js

103 ms

key-codes.js

key-codes.js

103 ms

z-index.js

z-index.js

111 ms

knockout.js

knockout.js

100 ms

knockout-es5.js

knockout-es5.js

98 ms

local.js

local.js

96 ms

registry.js

registry.js

100 ms

scripts.js

scripts.js

100 ms

engine.js

engine.js

109 ms

bootstrap.js

bootstrap.js

91 ms

observable_array.js

observable_array.js

107 ms

bound-nodes.js

bound-nodes.js

106 ms

js-translation.json

js-translation.json

141 ms

71068_medal_summary.gif

71068_medal_summary.gif

11 ms

modal-popup.html

modal-popup.html

234 ms

modal-slide.html

modal-slide.html

228 ms

modal-custom.html

modal-custom.html

228 ms

section-config.js

section-config.js

129 ms

url.js

url.js

130 ms

storage.js

storage.js

128 ms

jquery.storageapi.extended.js

jquery.storageapi.extended.js

127 ms

data.js

data.js

126 ms

disable-selection.js

disable-selection.js

125 ms

focusable.js

focusable.js

123 ms

form.js

form.js

122 ms

ie.js

ie.js

122 ms

keycode.js

keycode.js

121 ms

labels.js

labels.js

118 ms

jquery-patch.js

jquery-patch.js

136 ms

plugin.js

plugin.js

136 ms

safe-active-element.js

safe-active-element.js

133 ms

safe-blur.js

safe-blur.js

130 ms

scroll-parent.js

scroll-parent.js

130 ms

tabbable.js

tabbable.js

134 ms

unique-id.js

unique-id.js

135 ms

controlgroup.js

controlgroup.js

131 ms

checkboxradio.js

checkboxradio.js

142 ms

open_sans.css

open_sans.css

37 ms

effect-size.js

effect-size.js

118 ms

jquery-var-for-color.js

jquery-var-for-color.js

112 ms

jquery.color.js

jquery.color.js

121 ms

form-reset-mixin.js

form-reset-mixin.js

123 ms

main.js

main.js

88 ms

events.js

events.js

119 ms

knockout-repeat.js

knockout-repeat.js

103 ms

knockout-fast-foreach.js

knockout-fast-foreach.js

106 ms

renderer.js

renderer.js

92 ms

resizable.js

resizable.js

94 ms

i18n.js

i18n.js

97 ms

scope.js

scope.js

96 ms

range.js

range.js

108 ms

mage-init.js

mage-init.js

109 ms

keyboard.js

keyboard.js

96 ms

optgroup.js

optgroup.js

107 ms

after-render.js

after-render.js

110 ms

autoselect.js

autoselect.js

107 ms

datepicker.js

datepicker.js

108 ms

outer_click.js

outer_click.js

109 ms

fadeVisible.js

fadeVisible.js

109 ms

collapsible.js

collapsible.js

114 ms

staticChecked.js

staticChecked.js

121 ms

simple-checked.js

simple-checked.js

112 ms

pl4em4k14sui18

pl4em4k14sui18

452 ms

x1i339pm1d63kku

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432 ms

bind-html.js

bind-html.js

107 ms

tooltip.js

tooltip.js

108 ms

color-picker.js

color-picker.js

116 ms

observable_source.js

observable_source.js

108 ms

console-logger.js

console-logger.js

113 ms

jquery.storageapi.min.js

jquery.storageapi.min.js

107 ms

arrays.js

arrays.js

41 ms

compare.js

compare.js

40 ms

misc.js

misc.js

39 ms

objects.js

objects.js

53 ms

strings.js

strings.js

50 ms

template.js

template.js

52 ms

async.js

async.js

48 ms

loader.js

loader.js

35 ms

tooltip.html

tooltip.html

50 ms

class.js

class.js

33 ms

spectrum.js

spectrum.js

25 ms

tinycolor.js

tinycolor.js

26 ms

logger.js

logger.js

16 ms

entry-factory.js

entry-factory.js

26 ms

console-output-handler.js

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24 ms

formatter.js

formatter.js

26 ms

message-pool.js

message-pool.js

27 ms

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27 ms

logger-utils.js

logger-utils.js

34 ms

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dom-observer.js

20 ms

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bindings.js

18 ms

moment.js

moment.js

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entry.js

entry.js

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print.css

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splunk-otel-web.js

splunk-otel-web.js

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index.0705.css

index.0705.css

301 ms

theme.css

theme.css

320 ms

enterprise.js

enterprise.js

52 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

42 ms

jquery-migrate-1.4.1.min.js

jquery-migrate-1.4.1.min.js

44 ms

dynamic.0705.js

dynamic.0705.js

233 ms

redesigned-theme-2018.js

redesigned-theme-2018.js

619 ms

theme.css

theme.css

325 ms

wufoo.css

wufoo.css

401 ms

recaptcha__en.js

recaptcha__en.js

20 ms

fieldbg.gif

fieldbg.gif

363 ms

Accessibility Review

nationalallergy.com accessibility score

68

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

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.

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

Form elements do not have associated labels

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

nationalallergy.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nationalallergy.com SEO score

90

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

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 Nationalallergy.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 Nationalallergy.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

nationalallergy.com

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