Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

dizzyisolation741.newsvine.com

NBC News - Breaking News & Top Stories - Latest World, US & Local News | NBC News

Page Load Speed

26.5 sec in total

First Response

320 ms

Resources Loaded

3 sec

Page Rendered

23.1 sec

dizzyisolation741.newsvine.com screenshot

About Website

Visit dizzyisolation741.newsvine.com now to see the best up-to-date Dizzyisolation 741 News Vine content for United States and also check out these interesting facts you probably never knew about dizzyisolation741.newsvine.com

Go to NBCNews.com for breaking news, videos, and the latest top stories in world news, business, politics, health and pop culture.

Visit dizzyisolation741.newsvine.com

Key Findings

We analyzed Dizzyisolation741.newsvine.com page load time and found that the first response time was 320 ms and then it took 26.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

dizzyisolation741.newsvine.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value30.8 s

0/100

10%

TBT (Total Blocking Time)

Value58,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value77.5 s

0/100

10%

Network Requests Diagram

www.nbcnews.com

320 ms

1df05966a4653ea3.css

330 ms

fontface.css

381 ms

header.css

373 ms

footer.css

371 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dizzyisolation741.newsvine.com, 38% (50 requests) were made to Nodeassets.nbcnews.com and 2% (2 requests) were made to Telemundo.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Media-cldnry.s-nbcnews.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (59%)

Content Size

4.7 MB

After Optimization

1.9 MB

In fact, the total size of Dizzyisolation741.newsvine.com main page is 4.7 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. HTML takes 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 223.6 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 1.3 MB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 8.7 kB

  • Original 1.3 MB
  • After minification 1.3 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. Dizzyisolation 741 News Vine images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 682.6 kB

  • Original 955.0 kB
  • After minification 955.0 kB
  • After compression 272.4 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 682.6 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 798.2 kB

  • Original 926.8 kB
  • After minification 925.0 kB
  • After compression 128.6 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. Dizzyisolation741.newsvine.com needs all CSS files to be minified and compressed as it can save up to 798.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (36%)

Requests Now

123

After Optimization

79

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dizzyisolation 741 News Vine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dizzyisolation741.newsvine.com accessibility score

76

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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

dizzyisolation741.newsvine.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

dizzyisolation741.newsvine.com SEO score

76

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 Dizzyisolation741.newsvine.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 Dizzyisolation741.newsvine.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 Dizzyisolation 741 News Vine. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: