Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

apps-dev.nortonlive.com

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

Page Load Speed

2.2 sec in total

First Response

131 ms

Resources Loaded

923 ms

Page Rendered

1.1 sec

About Website

Welcome to apps-dev.nortonlive.com homepage info - get ready to check Apps Dev Norton Live best content for United States right away, or after learning these important things about apps-dev.nortonlive.com

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Key Findings

We analyzed Apps-dev.nortonlive.com page load time and found that the first response time was 131 ms and then it took 2 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

apps-dev.nortonlive.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value62.1 s

0/100

10%

TBT (Total Blocking Time)

Value73,140 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value93.4 s

0/100

10%

Network Requests Diagram

apps-dev.nortonlive.com

131 ms

us.norton.com

78 ms

t-base-critical.min.57d70a26059ae3906e9d334f773ac29d.css

27 ms

runtime.min.3e509b6fbb60e3bacdc070373e53e258.js

44 ms

launch-EN1cc7556280444b10a3c687a73ed01baa.min.js

176 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Apps-dev.nortonlive.com, 82% (42 requests) were made to Us.norton.com and 4% (2 requests) were made to Dpm.demdex.net. The less responsive or slowest element that took the longest time to load (247 ms) relates to the external source Ensighten.norton.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.9 kB (27%)

Content Size

628.7 kB

After Optimization

455.8 kB

In fact, the total size of Apps-dev.nortonlive.com main page is 628.7 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. 60% of websites need less resources to load. Images take 364.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 102.5 kB

  • Original 119.3 kB
  • After minification 93.0 kB
  • After compression 16.8 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 26.3 kB, which is 22% 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 102.5 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 14.5 kB

  • Original 364.9 kB
  • After minification 350.4 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. Apps Dev Norton Live 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 22 (45%)

Requests Now

49

After Optimization

27

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Apps Dev Norton Live. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

apps-dev.nortonlive.com accessibility score

98

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.

Best Practices

apps-dev.nortonlive.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

High

Missing source maps for large first-party JavaScript

SEO Factors

apps-dev.nortonlive.com SEO score

79

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 doesn't use legible font sizes

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 Apps-dev.nortonlive.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 Apps-dev.nortonlive.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

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