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castbox.fm Website Information

Daily Unique Visits: 411,744

Daily Page Views: 3,293,952

Income Per Day: $3,294

Estimated Value: $3,557,520

This website is located in Japan and is using following IP address 54.250.233.215. See the complete list of popular websites hosted in Japan.

castbox.fm is registered under .FM top-level domain. Please check other sites in .FM zone.

Website castbox.fm is using the following name servers:

  • ns-101.awsdns-12.com
  • ns-1323.awsdns-37.org
  • ns-1860.awsdns-40.co.uk
  • ns-989.awsdns-59.net

and is probably hosted by AMAZON-02 - Amazon.com, Inc., US. See the full list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

The highest website castbox.fm position in Alexa rank database was 3672 and the lowest rank position was 988604. Current position of castbox.fm in Alexa rank database is 3701.

Desktop speed score of castbox.fm (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of castbox.fm (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of castbox.fm (65/100) is better than the results of 66.06% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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castbox.fm Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


castbox.fm whois

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castbox.fm server information

Servers Location

castbox.fm desktop page speed rank

Last tested: 2018-06-28


Desktop Speed Medium
67/100

castbox.fm Desktop Speed Test Quick Summary


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Compressing and resizing https://castbox.fm/app/castbox/static/images/index/appleStore.png?v=1 could save 3.1KiB (44% reduction).

priority - 10Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/572262…0831?v=2.8.18&r=stable (20 minutes)
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://s3.castbox.fm/app/castbox/static/css/bootstrap.min.css (4 hours)
https://s3.castbox.fm/app/castbox/static/css/slick.min.css (4 hours)
https://s3.castbox.fm/webstatic/css/common.96ecb8f1.css (4 hours)
https://s3.castbox.fm/webstatic/css/index.4f2b1c31.css (4 hours)
https://s3.castbox.fm/webstatic/images/app_mask.ee8b41fa.png (4 hours)
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https://s3.castbox.fm/webstatic/images/btn_amazonecho.d9c803e8.png (4 hours)
https://s3.castbox.fm/webstatic/images/center_video_cover.651a65b0.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_01.6c827448.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_02.f98c76ac.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_03.65e47601.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_04.d8202296.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/index-banner.39331040.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/top_video_cover.32e17052.jpg (4 hours)
https://s3.castbox.fm/webstatic/js/common.fca2a2b3.js (4 hours)
https://s3.castbox.fm/webstatic/js/index.c47f9eee.js (4 hours)
https://s3.castbox.fm/webstatic/js/manifest.fca2a2b3.js (4 hours)

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Hind+Siliguri:300,400,500,600

castbox.fm Desktop Resource Breakdown

Total Resources36
Number of Hosts11
Static Resources24
JavaScript Resources9
CSS Resources5

castbox.fm mobile page speed rank

Last tested: 2018-06-28


Mobile Speed Medium
65/100

castbox.fm Mobile Speed Test Quick Summary


priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Hind+Siliguri:300,400,500,600

priority - 14Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/572262…0831?v=2.8.18&r=stable (20 minutes)
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://s3.castbox.fm/app/castbox/static/css/bootstrap.min.css (4 hours)
https://s3.castbox.fm/app/castbox/static/css/slick.min.css (4 hours)
https://s3.castbox.fm/webstatic/css/index.4f2b1c31.css (4 hours)
https://s3.castbox.fm/webstatic/images/app_mask.ee8b41fa.png (4 hours)
https://s3.castbox.fm/webstatic/images/app_mask_bg.1f46e3e6.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/btn_amazonecho.d9c803e8.png (4 hours)
https://s3.castbox.fm/webstatic/images/center_video_cover.651a65b0.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_01.6c827448.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_02.f98c76ac.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_03.65e47601.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/device_img_04.d8202296.jpg (4 hours)
https://s3.castbox.fm/webstatic/images/index-banner.39331040.jpg (4 hours)
https://s3.castbox.fm/webstatic/js/common.3280e0ed.js (4 hours)
https://s3.castbox.fm/webstatic/js/index.336af79c.js (4 hours)
https://s3.castbox.fm/webstatic/js/manifest.3280e0ed.js (4 hours)

priority - 8Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 77.3KiB (28% reduction).

Compressing https://s3.castbox.fm/webstatic/images/app_mask_bg.1f46e3e6.jpg could save 44.8KiB (47% reduction).
Compressing https://s3.castbox.fm/webstatic/images/index-banner.39331040.jpg could save 16.6KiB (16% reduction).
Compressing https://s3.castbox.fm/webstatic/images/center_video_cover.651a65b0.jpg could save 7.2KiB (39% reduction).
Compressing https://s3.castbox.fm/webstatic/images/device_img_03.65e47601.jpg could save 4.5KiB (16% reduction).
Compressing https://s3.castbox.fm/webstatic/images/device_img_02.f98c76ac.jpg could save 4.2KiB (14% reduction).

priority - 1Reduce server response time

castbox.fm Mobile Resource Breakdown

Total Resources33
Number of Hosts11
Static Resources21
JavaScript Resources9
CSS Resources4

castbox.fm mobile page usability

Last tested: 2018-06-28


Mobile Usability Good
100/100

castbox.fm HTML validation

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 8 Column: 7 - 68
"...8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> ..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 60 Column: 281 - 392
"...actid="5"><img class="indexPageLink-img" src="/app/castbox/static/libs/images/header_logo.a4387e24.png" data-reactid="6"/></a></..." Line: 60 Column: 2064 - 2169
"...ctid="30"><img src="/app/castbox/static/libs/images/01.4401c4be.png" class="logo-list-item img1" data-reactid="31"/><img s..." Line: 60 Column: 2170 - 2275
"...tid="31"/><img src="/app/castbox/static/libs/images/02.e6b91ae2.png" class="logo-list-item img2" data-reactid="32"/><img s..." Line: 60 Column: 2276 - 2381
"...tid="32"/><img src="/app/castbox/static/libs/images/03.76cfe304.png" class="logo-list-item img3" data-reactid="33"/><img s..." Line: 60 Column: 2382 - 2487
"...tid="33"/><img src="/app/castbox/static/libs/images/06.3c1239b1.png" class="logo-list-item img6" data-reactid="34"/><img s..." Line: 60 Column: 2488 - 3188
"...tid="34"/><img src="data:image/png;base64,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" class="logo-list-item img4" data-reactid="35"/><img s..." Line: 60 Column: 3189 - 3294
"...tid="35"/><img src="/app/castbox/static/libs/images/05.1b0d8e27.png" class="logo-list-item img5" data-reactid="36"/></div>..." Line: 60 Column: 8867 - 8963
"...tid="102"><img src="/app/castbox/static/libs/images/app_mask.dd748b72.png" class="img" data-reactid="103"/></div>..." Line: 60 Column: 11376 - 11475
"...tid="135"><img src="/app/castbox/static/libs/images/header_logo.a4387e24.png" class="img" data-reactid="136"/></a></..."

Bad value “preload” for attribute “preload” on element “video”.

Line: 60 Column: 1664 - 1800
"...ctid="24"><video preload="preload" allowfullscreen="" width="100%" height="100%" src="/app/castbox/static/video/castbox-oct.mp4" data-reactid="25"></vide..."

Attribute “allowfullscreen” not allowed on element “video” at this point.

Line: 60 Column: 1664 - 1800
"...ctid="24"><video preload="preload" allowfullscreen="" width="100%" height="100%" src="/app/castbox/static/video/castbox-oct.mp4" data-reactid="25"></vide..."

Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.

Line: 60 Column: 1664 - 1800
"...ctid="24"><video preload="preload" allowfullscreen="" width="100%" height="100%" src="/app/castbox/static/video/castbox-oct.mp4" data-reactid="25"></vide..." Line: 60 Column: 3828 - 4066
"...ctid="42"><video loop="" muted="" autoplay="" poster="/app/castbox/static/libs/images/center_video_cover.089575c7.jpg" id="mainvideo" width="100%" height="100%" src="/app/castbox/static/video/inaudiosearch.mp4?v=01" playsinline="" data-reactid="43"></vide..."

Bad value “100%” for attribute “height” on element “video”: Expected a digit but saw “%” instead.

Line: 60 Column: 1664 - 1800
"...ctid="24"><video preload="preload" allowfullscreen="" width="100%" height="100%" src="/app/castbox/static/video/castbox-oct.mp4" data-reactid="25"></vide..." Line: 60 Column: 3828 - 4066
"...ctid="42"><video loop="" muted="" autoplay="" poster="/app/castbox/static/libs/images/center_video_cover.089575c7.jpg" id="mainvideo" width="100%" height="100%" src="/app/castbox/static/video/inaudiosearch.mp4?v=01" playsinline="" data-reactid="43"></vide..."

Bad value “_black” for attribute “target” on element “a”: Reserved keyword “black” used.

Line: 60 Column: 7774 - 7917
"...ctid="93"><a target="_black" href="https://itunes.apple.com/app/castbox-radio/id1243410543?pt=118301901&amp;mt=8&amp;ct=web_index_page" data-reactid="94"><img s..." Line: 60 Column: 8127 - 8358
"...ctid="96"><a target="_black" href="https://play.google.com/store/apps/details?id=fm.castbox.audiobook.radio.podcast&amp;referrer=utm_source%3Dcastbox_web%26utm_medium%3Dlink%26utm_campaign%3Dweb_index_page%26utm_content%3D" data-reactid="97"><img s..." Line: 60 Column: 9828 - 9926
"...tid="116"><a target="_black" class="footer-main-links-item" href="http://blog.castbox.fm" data-reactid="117">Blog</..." Line: 60 Column: 10203 - 10317
"...tid="121"><a target="_black" class="medias-list-item facebook" href="https://www.facebook.com/castbox.fm" data-reactid="122"></a><a..." Line: 60 Column: 10322 - 10430
"..."122"></a><a target="_black" class="medias-list-item twitter" href="https://twitter.com/CastBox_FM" data-reactid="123"></a><a..." Line: 60 Column: 10435 - 10552
"..."123"></a><a target="_black" class="medias-list-item instagram" href="https://www.instagram.com/castbox_fm/" data-reactid="124"></a><a..." Line: 60 Column: 10557 - 10676
"..."124"></a><a target="_black" class="medias-list-item linkedin" href="https://www.linkedin.com/company/castbox" data-reactid="125"></a></..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 9 Column: 7 - 93
"...1"> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" > ..."

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castbox.fm Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


castbox.fm TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.