Tools & Wizards About Us
lu.norton.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lu.norton.com

Site officiel | Norton™ - Logiciel antivirus et antimalware

Page Load Speed

2.3 sec in total

First Response

75 ms

Resources Loaded

1.3 sec

Page Rendered

959 ms

lu.norton.com screenshot

About Website

Welcome to lu.norton.com homepage info - get ready to check Lu Norton best content for United States right away, or after learning these important things about lu.norton.com

Norton™ propose un logiciel de sécurité et antivirus de pointe pour vos PC, Mac et appareils mobiles. Abonnez-vous à Norton™ 360 et protégez vos appareils contre les virus, ransomwares, malwares et au...

Visit lu.norton.com

Key Findings

We analyzed Lu.norton.com page load time and found that the first response time was 75 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

lu.norton.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

fr.norton.com

75 ms

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

74 ms

Bootstrap.js

64 ms

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

38 ms

topnav.min.56c140b1e7305a3ce776db34ab0d5bd0.css

112 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lu.norton.com, 2% (2 requests) were made to Dpm.demdex.net and 1% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (939 ms) relates to the external source Fr.norton.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 374.6 kB (55%)

Content Size

684.9 kB

After Optimization

310.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Lu.norton.com main page is 684.9 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. HTML takes 363.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 318.7 kB

  • Original 363.5 kB
  • After minification 309.0 kB
  • After compression 44.8 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 54.5 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 318.7 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 26 B

  • Original 176.9 kB
  • After minification 176.9 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. Lu Norton images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 55.9 kB

  • Original 144.5 kB
  • After minification 144.5 kB
  • After compression 88.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 55.9 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (35%)

Requests Now

119

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lu Norton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

fr.norton.com

fr.norton.com

75 ms

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

74 ms

Bootstrap.js

Bootstrap.js

64 ms

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

38 ms

topnav.min.56c140b1e7305a3ce776db34ab0d5bd0.css

topnav.min.56c140b1e7305a3ce776db34ab0d5bd0.css

112 ms

country-selector.min.a871743e624e9d12ce4174f3e08d7365.css

country-selector.min.a871743e624e9d12ce4174f3e08d7365.css

108 ms

country-selector.min.2c4912a425441869a35f2a8f081656a0.js

country-selector.min.2c4912a425441869a35f2a8f081656a0.js

102 ms

topnav.min.ac4bd019896751fc6a3ae749aa378afa.js

topnav.min.ac4bd019896751fc6a3ae749aa378afa.js

50 ms

spacer.min.94a76473d368b52fba594239c1580199.css

spacer.min.94a76473d368b52fba594239c1580199.css

50 ms

text.min.7d2c876a8cd18892408c7a306e517b0a.css

text.min.7d2c876a8cd18892408c7a306e517b0a.css

129 ms

text.min.c03a373d5060d685f77a901966e3f94d.js

text.min.c03a373d5060d685f77a901966e3f94d.js

107 ms

button.min.38500fd79cdc1d3715010fa6613d4ff3.js

button.min.38500fd79cdc1d3715010fa6613d4ff3.js

282 ms

container.min.9153f0b7e6af166cb2308541e298d24f.js

container.min.9153f0b7e6af166cb2308541e298d24f.js

192 ms

productpanel.min.89c7f2e02a078021033ae11a6461fc89.css

productpanel.min.89c7f2e02a078021033ae11a6461fc89.css

144 ms

productpanel.min.ef02f3a96ece055aa2d13175d2f7c46a.js

productpanel.min.ef02f3a96ece055aa2d13175d2f7c46a.js

162 ms

bait.min.664947bc5030faf19349b8198d00b5f5.css

bait.min.664947bc5030faf19349b8198d00b5f5.css

294 ms

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bait.min.b0d8b86221116c599cd7783805e71c10.js

304 ms

hero.min.bf6bf7b66aee813660ebfca60a35e5f9.css

hero.min.bf6bf7b66aee813660ebfca60a35e5f9.css

289 ms

hero.min.de0ed6b392456fca9680fdfd4d7ee60a.js

hero.min.de0ed6b392456fca9680fdfd4d7ee60a.js

185 ms

image.min.ec4509ad4d5d284e85bfa0ebe6f457a6.css

image.min.ec4509ad4d5d284e85bfa0ebe6f457a6.css

292 ms

legal.min.29dfe3ab3d056539fa16fc31bd4afb7c.css

legal.min.29dfe3ab3d056539fa16fc31bd4afb7c.css

473 ms

legal.min.dd3d5c14ccaca45901231c70999fd73b.js

legal.min.dd3d5c14ccaca45901231c70999fd73b.js

302 ms

promocode-field.min.b389f571be8af05df2ac7b90f26629f9.css

promocode-field.min.b389f571be8af05df2ac7b90f26629f9.css

302 ms

promocode-field.min.6560b6717cf47e87ca5cf808146a5313.js

promocode-field.min.6560b6717cf47e87ca5cf808146a5313.js

401 ms

footer.min.bf2f3a7b6716c365bb104cb6451d9ef4.css

footer.min.bf2f3a7b6716c365bb104cb6451d9ef4.css

939 ms

t-base-component-util.min.7ceac86109ebdc608c8624bb8d967427.js

t-base-component-util.min.7ceac86109ebdc608c8624bb8d967427.js

378 ms

t-base-defer.min.bce95f1bbe152b12d501027c133cbf85.js

t-base-defer.min.bce95f1bbe152b12d501027c133cbf85.js

429 ms

core.wcm.components.commons.datalayer.v1.min.904d3c2f1e821ab45124d66de422b409.js

core.wcm.components.commons.datalayer.v1.min.904d3c2f1e821ab45124d66de422b409.js

324 ms

icon_myaccount.svg

icon_myaccount.svg

362 ms

icon_flag_france.svg

icon_flag_france.svg

409 ms

logo_norton_d.svg

logo_norton_d.svg

382 ms

icon_ui_cart_empty_m_2x.png

icon_ui_cart_empty_m_2x.png

394 ms

icon_ui_search_m_2x.png

icon_ui_search_m_2x.png

416 ms

icon_close.svg

icon_close.svg

420 ms

icon_chevrondown.svg

icon_chevrondown.svg

426 ms

icon_flag_argentina.svg

icon_flag_argentina.svg

424 ms

icon_flag_brazil.svg

icon_flag_brazil.svg

433 ms

icon_flag_canada.svg

icon_flag_canada.svg

429 ms

icon_flag_carribean.svg

icon_flag_carribean.svg

458 ms

icon_flag_chile.svg

icon_flag_chile.svg

425 ms

icon_flag_colombia.svg

icon_flag_colombia.svg

393 ms

config.json

config.json

134 ms

id

id

88 ms

s_code_norton_min.js

s_code_norton_min.js

93 ms

icon_flag_costa_rica.svg

icon_flag_costa_rica.svg

370 ms

icon_flag_ecuador.svg

icon_flag_ecuador.svg

372 ms

icon_flag_el_salvador.svg

icon_flag_el_salvador.svg

393 ms

icon_flag_guatemala.svg

icon_flag_guatemala.svg

370 ms

icon_flag_latin_america.svg

icon_flag_latin_america.svg

396 ms

icon_flag_mexico.svg

icon_flag_mexico.svg

362 ms

icon_flag_panama.svg

icon_flag_panama.svg

336 ms

icon_flag_peru.svg

icon_flag_peru.svg

348 ms

dest5.html

dest5.html

148 ms

icon_flag_puerto_rico.svg

icon_flag_puerto_rico.svg

326 ms

icon_flag_united_states.svg

icon_flag_united_states.svg

275 ms

icon_flag_uruguay.svg

icon_flag_uruguay.svg

224 ms

icon_flag_venezuela.svg

icon_flag_venezuela.svg

249 ms

icon_flag_belgium.svg

icon_flag_belgium.svg

243 ms

icon_flag_czech.svg

icon_flag_czech.svg

239 ms

icon_flag_denmark.svg

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264 ms

icon_flag_germany.svg

icon_flag_germany.svg

240 ms

icon_flag_spain.svg

icon_flag_spain.svg

513 ms

ibs:dpid=411&dpuuid=ZoCbzQAAAEsccwNP

ibs:dpid=411&dpuuid=ZoCbzQAAAEsccwNP

21 ms

icon_flag_estonia.svg

icon_flag_estonia.svg

217 ms

icon_flag_iceland.svg

icon_flag_iceland.svg

258 ms

icon_flag_ireland.svg

icon_flag_ireland.svg

183 ms

icon_flag_israel.svg

icon_flag_israel.svg

177 ms

json

json

31 ms

icon_flag_italy.svg

icon_flag_italy.svg

170 ms

icon_flag_lativa.svg

icon_flag_lativa.svg

180 ms

icon_flag_lithuania.svg

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165 ms

icon_flag_luxembourg.svg

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153 ms

icon_flag_hungary.svg

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152 ms

icon_flag_netherlands.svg

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166 ms

icon_flag_normay.svg

icon_flag_normay.svg

161 ms

icon_flag_austria.svg

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182 ms

icon_flag_poland.svg

icon_flag_poland.svg

162 ms

icon_flag_portugal.svg

icon_flag_portugal.svg

174 ms

icon_flag_romania.svg

icon_flag_romania.svg

216 ms

icon_flag_switzerland.svg

icon_flag_switzerland.svg

151 ms

icon_flag_south_africa.svg

icon_flag_south_africa.svg

194 ms

icon_flag_finland.svg

icon_flag_finland.svg

172 ms

icon_flag_sweden.svg

icon_flag_sweden.svg

193 ms

icon_flag_turkey.svg

icon_flag_turkey.svg

188 ms

icon_flag_united_arab_emirates.svg

icon_flag_united_arab_emirates.svg

196 ms

icon_flag_united_kingdom.svg

icon_flag_united_kingdom.svg

188 ms

icon_flag_greece.svg

icon_flag_greece.svg

189 ms

icon_flag_russia.svg

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212 ms

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225 ms

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180 ms

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234 ms

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184 ms

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166 ms

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167 ms

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173 ms

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185 ms

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176 ms

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194 ms

icon_flag_simplified_chinese.svg

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192 ms

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216 ms

icon_flag_japan.svg

icon_flag_japan.svg

192 ms

banner_protected_devices_graphic_m_2x.jpeg

banner_protected_devices_graphic_m_2x.jpeg

264 ms

hp_plans_n360_girls_couch_m_2x.jpg

hp_plans_n360_girls_couch_m_2x.jpg

340 ms

img_norton_secure_vpn_plan_m_2x.jpg

img_norton_secure_vpn_plan_m_2x.jpg

273 ms

image_cellphone_girl_mobile_2x.jpg

image_cellphone_girl_mobile_2x.jpg

266 ms

icon_threat_blocking_mobile.svg

icon_threat_blocking_mobile.svg

426 ms

icon_experience_mobile.svg

icon_experience_mobile.svg

265 ms

icon_protection_mobile.svg

icon_protection_mobile.svg

254 ms

PC-Mag-56-vertical.svg

PC-Mag-56-vertical.svg

255 ms

av-test-n360-2022.svg

av-test-n360-2022.svg

275 ms

se-labs-2023.svg

se-labs-2023.svg

247 ms

x-icon-norton.svg

x-icon-norton.svg

238 ms

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icon_instagram1.svg

227 ms

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221 ms

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icon_youtube-dark.svg

220 ms

gen_light_68x26.svg

gen_light_68x26.svg

215 ms

green-check-16x12.svg

green-check-16x12.svg

244 ms

seo

seo

112 ms

Accessibility Review

lu.norton.com accessibility score

85

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

Buttons do not have an accessible name

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

Best Practices

lu.norton.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

lu.norton.com SEO score

92

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lu.norton.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Lu.norton.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

lu.norton.com

Open Graph data is detected on the main page of Lu Norton. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: