Tools & Wizards About Us
dm.norton.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

dm.norton.com

Official Site | Norton™ - Antivirus & Anti-Malware Software

Page Load Speed

2.1 sec in total

First Response

155 ms

Resources Loaded

1.1 sec

Page Rendered

874 ms

dm.norton.com screenshot

About Website

Visit dm.norton.com now to see the best up-to-date Dm Norton content for United States and also check out these interesting facts you probably never knew about dm.norton.com

Norton™ provides industry-leading antivirus and security software for your PC, Mac, and mobile devices. Download a Norton™ 360 plan - protect your devices against viruses, ransomware, malware and othe...

Visit dm.norton.com

Key Findings

We analyzed Dm.norton.com page load time and found that the first response time was 155 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

dm.norton.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

8/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value8,740 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

dm.norton.com

155 ms

us.norton.com

74 ms

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

41 ms

Bootstrap.js

71 ms

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

199 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dm.norton.com, 91% (114 requests) were made to Us.norton.com and 2% (2 requests) were made to Dpm.demdex.net. The less responsive or slowest element that took the longest time to load (276 ms) relates to the external source Us.norton.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 409.7 kB (53%)

Content Size

773.2 kB

After Optimization

363.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dm.norton.com main page is 773.2 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. 65% of websites need less resources to load. HTML takes 409.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 353.8 kB

  • Original 409.8 kB
  • After minification 353.7 kB
  • After compression 56.1 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 56.1 kB, which is 14% 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 353.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 26 B

  • Original 218.8 kB
  • After minification 218.8 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. Dm 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 44 (36%)

Requests Now

123

After Optimization

79

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dm 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 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dm.norton.com

dm.norton.com

155 ms

us.norton.com

us.norton.com

74 ms

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

41 ms

Bootstrap.js

Bootstrap.js

71 ms

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

MDDJR-3RVW8-S3M46-HL4QS-RLVQ4

199 ms

alertbanner.min.6c0c1bf5fb153a2be7918caaed12595e.css

alertbanner.min.6c0c1bf5fb153a2be7918caaed12595e.css

33 ms

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alertbanner.min.0f1bc1e5cfc7e1ff576257b907425be2.js

67 ms

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33 ms

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68 ms

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63 ms

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62 ms

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62 ms

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67 ms

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text.min.a6e0e9bd1b458c0f36e77f0c16bc6180.js

65 ms

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spacer.min.94a76473d368b52fba594239c1580199.css

64 ms

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65 ms

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216 ms

productpanel.min.2a951573ec1b72fdfde2d350427e35dc.css

productpanel.min.2a951573ec1b72fdfde2d350427e35dc.css

65 ms

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75 ms

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71 ms

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65 ms

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hero.min.bf6bf7b66aee813660ebfca60a35e5f9.css

74 ms

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hero.min.cb561c3b2bb405c51c3dc56da0d764b4.js

71 ms

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legal.min.29dfe3ab3d056539fa16fc31bd4afb7c.css

89 ms

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legal.min.cf2a5d8f7c62afe74e7e26f9ca4f209d.js

72 ms

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promocode-field.min.b389f571be8af05df2ac7b90f26629f9.css

80 ms

promocode-field.min.84dae68ac0e69c133b77703961a67f4a.js

promocode-field.min.84dae68ac0e69c133b77703961a67f4a.js

82 ms

footer.min.bf2f3a7b6716c365bb104cb6451d9ef4.css

footer.min.bf2f3a7b6716c365bb104cb6451d9ef4.css

81 ms

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t-base-component-util.min.17ef44c362504af08e4f8c9b049babad.js

87 ms

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t-base-defer.min.ed0a6bd7bd0681f61331f3a70e2db100.js

87 ms

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

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

88 ms

icon_myaccount.svg

icon_myaccount.svg

94 ms

icon_flag_united_states.svg

icon_flag_united_states.svg

181 ms

logo_norton_d.svg

logo_norton_d.svg

196 ms

icon_ui_cart_empty_m_2x.png

icon_ui_cart_empty_m_2x.png

182 ms

icon_ui_search_m_2x.png

icon_ui_search_m_2x.png

181 ms

icon_close.svg

icon_close.svg

183 ms

icon_chevrondown.svg

icon_chevrondown.svg

182 ms

icon_flag_argentina.svg

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185 ms

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186 ms

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170 ms

icon_flag_carribean.svg

icon_flag_carribean.svg

167 ms

id

id

26 ms

s_code_norton_min.js

s_code_norton_min.js

208 ms

icon_flag_chile.svg

icon_flag_chile.svg

133 ms

icon_flag_colombia.svg

icon_flag_colombia.svg

136 ms

icon_flag_costa_rica.svg

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137 ms

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163 ms

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151 ms

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135 ms

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148 ms

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147 ms

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207 ms

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203 ms

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198 ms

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199 ms

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217 ms

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213 ms

dest5.html

dest5.html

30 ms

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236 ms

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193 ms

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194 ms

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199 ms

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201 ms

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202 ms

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195 ms

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ibs:dpid=411&dpuuid=Zt03nAAAAMNIAQOH

5 ms

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111 ms

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113 ms

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109 ms

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109 ms

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125 ms

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107 ms

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118 ms

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122 ms

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186 ms

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176 ms

config.json

config.json

220 ms

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243 ms

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133 ms

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244 ms

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background_hero_woman_looking_at_mobile_bed_m_2x.jpg

244 ms

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image_awards_pcmag56_toms_trust4.5_m.png

261 ms

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img_norton_vpn_d.png

264 ms

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img_norton360_plans_m_2x.jpg

240 ms

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229 ms

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240 ms

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x-icon-norton.svg

227 ms

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json

62 ms

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178 ms

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183 ms

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164 ms

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163 ms

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green-check-16x12.svg

166 ms

seo

seo

276 ms

Accessibility Review

dm.norton.com accessibility score

77

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

[aria-*] attributes do not match their roles

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dm.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

dm.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dm.norton.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 Dm.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

dm.norton.com

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