Tools & Wizards About Us
nbcnightlynews.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nbcnightlynews.com

Nightly News with Lester Holt: The Latest News Stories Every Night - NBC News | NBC News

Page Load Speed

2.7 sec in total

First Response

133 ms

Resources Loaded

838 ms

Page Rendered

1.7 sec

nbcnightlynews.com screenshot

About Website

Click here to check amazing NBC Nightly News content. Otherwise, check out these important facts you probably never knew about nbcnightlynews.com

Coverage of the latest global and U.S. breaking news stories by Lester Holt on NBCNews.com. Watch videos of breaking news, politics, health, lifestyle and more.

Visit nbcnightlynews.com

Key Findings

We analyzed Nbcnightlynews.com page load time and found that the first response time was 133 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

nbcnightlynews.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value21.8 s

0/100

10%

TBT (Total Blocking Time)

Value13,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value45.3 s

0/100

10%

Network Requests Diagram

nbcnightlynews.com

133 ms

nightly-news

280 ms

22d2f570234b80bf.css

125 ms

header.css

133 ms

footer.css

131 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nbcnightlynews.com, 48% (50 requests) were made to Nodeassets.nbcnews.com and 48% (50 requests) were made to Media-cldnry.s-nbcnews.com. The less responsive or slowest element that took the longest time to load (347 ms) relates to the external source Nodeassets.nbcnews.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (53%)

Content Size

5.3 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nbcnightlynews.com main page is 5.3 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 606.0 kB

  • Original 693.9 kB
  • After minification 693.7 kB
  • After compression 87.9 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 606.0 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 4.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. NBC Nightly News images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 1.1 MB

  • Original 2.3 MB
  • After minification 2.3 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 1.1 MB or 49% of the original size.

CSS Optimization

-84%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 193.7 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. Nbcnightlynews.com needs all CSS files to be minified and compressed as it can save up to 1.0 MB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (49%)

Requests Now

101

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NBC Nightly News. 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.

Network Requests Diagram

nbcnightlynews.com

nbcnightlynews.com

133 ms

nightly-news

nightly-news

280 ms

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125 ms

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133 ms

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Accessibility Review

nbcnightlynews.com accessibility score

84

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

Links do not have a discernible name

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

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

nbcnightlynews.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

nbcnightlynews.com SEO score

93

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

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 Nbcnightlynews.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 Nbcnightlynews.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

nbcnightlynews.com

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