Analyze

www-cdn.npr.org: NPR : National Public Radio : News & Analysis, World, US, Music & Arts : NPR

NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

Page load speed analysis

  • 73/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    171 ms

  • Resources loaded

    732 ms

  • Page rendered

    1.8 sec

  • Total page load time

    2.7 sec

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

We analyzed Www-cdn.npr.org page load time and found that the first response time was 171 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Page optimization

  • HTML 146.9 kB
    Images 133.6 kB
    Javascripts 501.6 kB
    CSS 552.9 kB

    In fact, the total size of Www-cdn.npr.org main page is 1.3 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. 55% of websites need less resources to load. CSS take 552.9 kB which makes up the majority of the site volume.

    • Original 146.9 kB
    • After minification 116.9 kB
    • After compression 24.0 kB

    HTML optimization

    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 30.0 kB, which is 20% 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 122.9 kB or 84% of the original size.

    • Original 133.6 kB
    • After optimization 133.1 kB

    Image optimization

    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 Cdn NPR images are well optimized though.

    • Original 501.6 kB
    • After minification 501.6 kB
    • After compression 158.9 kB

    JavaScript optimization

    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 342.7 kB or 68% of the original size.

    • Original 552.9 kB
    • After minification 551.0 kB
    • After compression 179.2 kB

    CSS optimization

    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-cdn.npr.org needs all CSS files to be minified and compressed as it can save up to 373.8 kB or 68% of the original size.

Network requests diagram

  • www-cdn.npr.org
  • persistent-73cb243d716b971f095c14e7dfdb3432d2ecb623.css
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  • head-8068cdd1194ec200b4d18e31dc9036fe908edc06.js
  • npr-home.png
  • npr_logo.svg
  • music-logo.svg
  • headphones-ee3d23.svg
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  • ap_956636573495_slide-a7c5526f7c328c8ab31cb57ba777a2737f9abf7a-s800-c15.jpg
  • spacer.gif
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  • persistent-33385f5207b58255e0ddca74391acbd361341329.js
  • leoXfDZAvg==
  • f8LzB08NvpfwF7mlA2g==
  • homepage-c1abbcda4a3e2fa68a6e55edb88d341be4617bea.js

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Www-cdn.npr.org, 78% (28 requests) were made to Media.npr.org and 14% (5 requests) were made to S.npr.org. The less responsive or slowest element that took the longest time to load (307 ms) relates to the external source Media.npr.org.

Additional info on www-cdn.npr.org

Requests

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Cdn NPR. According to our analytics all requests are already optimized.

3

Javascripts

28

Images

2

CSS

33

All

Possible request optimization

3

Javascripts

28

Images

2

CSS

0

Optimized

33

All

Normal result

IP address

This IP address is dedicated to Www-cdn.npr.org. This is the best domain hosting practice .

Normal result

IP Trace

www-cdn.npr.org

72.247.88.48

DNS records

Type Host Target/ip TTL Other
A

e4437.dscf.akamaiedge.net

72.247.88.48 19
CNAME

www-cdn.npr.org

www.npr.org.edgekey.net 299
AAAA

e4437.dscf.akamaiedge.net

19 Ipv6: 2600:1404:1800:290::1155
AAAA

e4437.dscf.akamaiedge.net

19 Ipv6: 2600:1404:1800:292::1155

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-cdn.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-cdn.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.

HTTPS certificate

SSL Certificate

Www-cdn.npr.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 79.8% of all visits is United States. It’s good for Www-cdn.npr.org that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

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

www-cdn.npr.org

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