Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

www-s4.npr.org

NPR - Breaking News, Analysis, Music, Arts & Podcasts : NPR

Page Load Speed

39.9 sec in total

First Response

18.8 sec

Resources Loaded

20.4 sec

Page Rendered

702 ms

About Website

Click here to check amazing Www S 4 NPR content for United States. Otherwise, check out these important facts you probably never knew about www-s4.npr.org

Top stories in the U.S. and world news, politics, health, science, business, music, arts and culture. Nonprofit journalism with a mission. This is NPR.

Visit www-s4.npr.org

Key Findings

We analyzed Www-s4.npr.org page load time and found that the first response time was 18.8 sec and then it took 21.1 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

www-s4.npr.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value45.8 s

0/100

10%

TBT (Total Blocking Time)

Value10,120 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value50.1 s

0/100

10%

Network Requests Diagram

www-s4.npr.org

18788 ms

OtAutoBlock.js

234 ms

otSDKStub.js

270 ms

otCCPAiab.js

287 ms

11107397707.js

72 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Www-s4.npr.org, 53% (45 requests) were made to Npr.brightspotcdn.com and 29% (25 requests) were made to Media.npr.org. The less responsive or slowest element that took the longest time to load (18.8 sec) belongs to the original domain Www-s4.npr.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 597.7 kB (11%)

Content Size

5.6 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www-s4.npr.org main page is 5.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 316.7 kB

  • Original 358.0 kB
  • After minification 323.1 kB
  • After compression 41.3 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 316.7 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 46.1 kB

  • Original 4.5 MB
  • After minification 4.5 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. Www S 4 NPR images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 9.0 kB

  • Original 327.5 kB
  • After minification 327.4 kB
  • After compression 318.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-67%

Potential reduce by 225.9 kB

  • Original 339.3 kB
  • After minification 339.0 kB
  • After compression 113.4 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. Www-s4.npr.org needs all CSS files to be minified and compressed as it can save up to 225.9 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (13%)

Requests Now

84

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www S 4 NPR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

www-s4.npr.org accessibility score

83

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

[role] values are not valid

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

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

Image elements do not have [alt] attributes

Best Practices

www-s4.npr.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

www-s4.npr.org SEO score

78

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

High

Page is blocked from indexing

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Www-s4.npr.org 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 Www-s4.npr.org 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 Www S 4 NPR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: