Access imageimpact.newsvine.com. NBC News - Breaking News & Top Stories - Latest World, US & Local News

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value22.9 s

0/100

10%

TBT (Total Blocking Time)

Value9,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value56.3 s

0/100

10%

www.nbcnews.com

50 ms

22d2f570234b80bf.css

66 ms

header.css

73 ms

footer.css

101 ms

7dfa2e1b31875b56.css

114 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Imageimpact.newsvine.com, 45% (51 requests) were made to Nodeassets.nbcnews.com and 1% (1 request) were made to Nbcnews.com. The less responsive or slowest element that took the longest time to load (334 ms) relates to the external source Nodeassets.nbcnews.com.

Content Size

6.1 MB

After Optimization

3.0 MB

In fact, the total size of Imageimpact.newsvine.com main page is 6.1 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. Javascripts take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 782.9 kB

Original 920.4 kB
After minification 920.4 kB
After compression 137.6 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 782.9 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 127.4 kB

Original 1.6 MB
After minification 1.5 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. Imageimpact News Vine images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 2.0 MB

Original 3.2 MB
After minification 3.2 MB
After compression 1.2 MB

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 2.0 MB or 64% of the original size.

CSS Optimization

-44%

Potential reduce by 152.5 kB

Original 349.5 kB
After minification 348.7 kB
After compression 197.0 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. Imageimpact.newsvine.com needs all CSS files to be minified and compressed as it can save up to 152.5 kB or 44% of the original size.

Requests Now

112

After Optimization

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imageimpact 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 39 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

ARIA IDs are not unique

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Imageimpact.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 Imageimpact.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

imageimpact.newsvine.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

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

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.nbcnews.com

22d2f570234b80bf.css

header.css

footer.css

7dfa2e1b31875b56.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.nbcnews.com

22d2f570234b80bf.css

header.css

footer.css

7dfa2e1b31875b56.css

fd862a2d7bb29fb6.css

f9a22ae908f25249.css

7fedd7bdd0a7a457.css

ca8385ba732dacf3.css

f81aaa696458c7f0.css

56bbce79a9ab46c0.css

9a208770523d781f.css

bfec1979d01ed59f.css

polyfills-5cd94c89d3acac5f.js

webpack-73bd0ebad3825990.js

framework-560765ab0625ba27.js

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