TED.COM TED: Ideas worth spreading

ted.com Website Information

Daily Unique Visits: 647,077

Daily Page Views: 5,176,616

Income Per Day: $5,177

Estimated Value: $5,591,160

This website is located in United States and is using following IP address 34.199.110.85. See the complete list of popular websites hosted in United States.

ted.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website ted.com is using the following name servers:

  • ns-1133.awsdns-13.org
  • ns-191.awsdns-23.com
  • ns-1975.awsdns-54.co.uk
  • ns-882.awsdns-46.net

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

The highest website ted.com position in Alexa rank database was 654 and the lowest rank position was 7232. Current position of ted.com in Alexa rank database is 2355.

Desktop speed score of ted.com (82/100) is better than the results of 74.03% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of ted.com (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.

Mobile speed score of ted.com (64/100) is better than the results of 64.03% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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ted.com 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.


ted.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: TED.COM
Registry Domain ID: 5670_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.name.com
Updated Date: 2020-10-08T17:39:31Z
Creation Date: 1994-11-08T05:00:00Z
Registry Expiry Date: 2021-11-07T06:00:00Z
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: 7202492374
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1133.AWSDNS-13.ORG
Name Server: NS-191.AWSDNS-23.COM
Name Server: NS-1975.AWSDNS-54.CO.UK
Name Server: NS-882.AWSDNS-46.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-24T19:51:16Z

ted.com server information

Servers Location

ted.com desktop page speed rank

Last tested: 2018-01-20


Desktop Speed Medium
82/100

ted.com Desktop Speed Test Quick Summary


priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://pa.tedcdn.com/stylesheets/global.css?1516393726
https://pa.tedcdn.com/stylesheets/shed.css?1516393726

priority - 6Optimize images

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

Optimize the following images to reduce their size by 59.8KiB (34% reduction).

Compressing https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/3…11&h=500&quality=90&w= could save 29.7KiB (36% reduction).
Compressing https://pi.tedcdn.com/r/pf.tedcdn.com/images/playl…11&h=500&quality=90&w= could save 28.3KiB (33% reduction).
Compressing https://tpc.googlesyndication.com/simgad/14879695096860161791 could save 1.1KiB (17% reduction).
Compressing https://pi.tedcdn.com/r/s3.amazonaws.com/talkstar-…13&quality=63&u=&w=150 could save 280B (23% reduction).
Compressing https://pi.tedcdn.com/r/s3.amazonaws.com/talkstar-…33&quality=63&u=&w=150 could save 272B (26% reduction).

priority - 1Leverage 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://www.googletagservices.com/tag/js/gpt.js (15 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

ted.com Desktop Resource Breakdown

Total Resources102
Number of Hosts13
Static Resources87
JavaScript Resources14
CSS Resources2

ted.com mobile page speed rank

Last tested: 2017-05-31


Mobile Speed Bad
64/100

ted.com Mobile Speed Test Quick Summary


priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://pa.tedcdn.com/stylesheets/global.css?1496166402
https://pa.tedcdn.com/stylesheets/shed.css?1496166402
https://pa.tedcdn.com/stylesheets/global.css?1496166402

priority - 9Optimize images

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

Optimize the following images to reduce their size by 86.2KiB (32% reduction).

Compressing https://pi.tedcdn.com/r/pf.tedcdn.com/images/playl…11&h=500&quality=90&w= could save 59.2KiB (38% reduction).
Compressing https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/5…11&h=500&quality=90&w= could save 18.5KiB (26% reduction).
Compressing https://pa.tedcdn.com/assets/g-2x.9da98a1c.png could save 8.5KiB (21% reduction).

priority - 2Leverage 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://www.googletagservices.com/tag/js/gpt.js (15 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

ted.com Mobile Resource Breakdown

Total Resources97
Number of Hosts12
Static Resources80
JavaScript Resources11
CSS Resources2

ted.com mobile page usability

Last tested: 2017-05-31


Mobile Usability Good
94/100

ted.com Mobile Usability Test Quick Summary


priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 420 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="Flex-embed__ra…d__ratio--16x9"> falls outside the viewport.
The element <div class="Flex-embed__co…:c j-c:c a-i:c"> falls outside the viewport.
The element <div class="pos:a pos:c"> falls outside the viewport.
The element <div class="w:full p-x:3 p…p-x:0@sm p-b:3">How weak is yo…e you hackable</div> falls outside the viewport.
The element <div class="w:full p-x:3 p…p-x:0@sm p-b:3">What did we th…er the decades</div> falls outside the viewport.
The element <div class="bg:white p-y:5…b-t b:black.9">About TED TE…und the world.</div> falls outside the viewport.

priority - 2Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <button class="sb z-index--2 width-full o:0"></button> and 9 others are close to other tap targets.

The tap target <button>1</button> and 6 others are close to other tap targets.

The tap target <button>2</button> and 14 others are close to other tap targets.

The tap target <a href="/about/program…s/tedx-program" class="footer__link">TEDx</a> and 20 others are close to other tap targets.

ted.com HTML validation

Errors

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon” or the value “apple-touch-icon-precomposed”.

Line: 20 Column: 1 - 95
"...esign" /> <link rel="mask-icon" href="https://pa.tedcdn.com/mask-icon.svg" color="#E62B1E" sizes="any" /> <meta..."

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Line: 34 Column: 1 - 44
"...00000" /> <meta http-equiv="cleartype" content="on" /> <meta..."

Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)

Line: 130 Column: 1 - 7
"...</script> <style> .pa..."

Bad value “self” for attribute “rel” on element “a”: The string “self” is not a registered keyword.

Line: 159 Column: 1 - 136
"...a> </div> <a class='Main-nav__home-button ga-link' data-ga-action='home' data-ga-category='navigation.item' data-ga-label='/' href='/' rel='self'> <svg ..."

Bad value “” for attribute “aria-haspopup” on element “a”.

Line: 170 Column: 1 - 169
"...ntation'> <a aria-haspopup class='Main-nav__category__label Main-nav__item Main-nav__label f-w:700 t-t:u undec' data-popper-target href='#' onclick='return false' role='menuitem'>Watch<..." Line: 211 Column: 1 - 169
"...ntation'> <a aria-haspopup class='Main-nav__category__label Main-nav__item Main-nav__label f-w:700 t-t:u undec' data-popper-target href='#' onclick='return false' role='menuitem'>Discov..." Line: 246 Column: 1 - 169
"...ntation'> <a aria-haspopup class='Main-nav__category__label Main-nav__item Main-nav__label f-w:700 t-t:u undec' data-popper-target href='#' onclick='return false' role='menuitem'>Attend..." Line: 269 Column: 1 - 169
"...ntation'> <a aria-haspopup class='Main-nav__category__label Main-nav__item Main-nav__label f-w:700 t-t:u undec' data-popper-target href='#' onclick='return false' role='menuitem'>Partic..." Line: 298 Column: 1 - 169
"...ntation'> <a aria-haspopup class='Main-nav__category__label Main-nav__item Main-nav__label f-w:700 t-t:u undec' data-popper-target href='#' onclick='return false' role='menuitem'>About<..."

Bad value “” for attribute “aria-hidden” on element “ul”.

Line: 171 Column: 1 - 163
"...Watch</a> <ul aria-hidden class='Main-nav/Popper__popup Main-nav__category__list popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top sl' role='menu'> <li r..." Line: 212 Column: 1 - 163
"...cover</a> <ul aria-hidden class='Main-nav/Popper__popup Main-nav__category__list popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top sl' role='menu'> <li r..." Line: 247 Column: 1 - 163
"...ttend</a> <ul aria-hidden class='Main-nav/Popper__popup Main-nav__category__list popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top sl' role='menu'> <li r..." Line: 270 Column: 1 - 163
"...ipate</a> <ul aria-hidden class='Main-nav/Popper__popup Main-nav__category__list popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top sl' role='menu'> <li r..." Line: 299 Column: 1 - 163
"...About</a> <ul aria-hidden class='Main-nav/Popper__popup Main-nav__category__list popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top sl' role='menu'> <li r..."

Bad value “” for attribute “aria-hidden” on element “div”.

Line: 339 Column: 1 - 222
"...div> </a> <div aria-hidden class='Main-nav/Popper__popup Main-nav__category__list Main-nav__category__list--account popup popup--inverse popup--tailed popup--tailed--center popup--tailed--top' id='main-nav-account-menu' role='menu'></div>..."

Attribute “autocorrect” not allowed on element “input” at this point.

Line: 355 Column: 1 - 180
"...: </span> <input aria-label='Search' autocorrect='off' class='Main-nav__fs-6 Main-nav__search__input' name='q' placeholder='Type to search' tabindex='-1' title='Press Enter to begin search'> </lab..."

Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 672 Column: - 13
"... <h2 class=" f:2 f:4@md f:5@lg f-w:700 m-b:1 l-s:t " data-spec="title" > ..." Line: 2808 Column: - 13
"... <h2 class=" f:2 f:4@md f:5@lg f-w:700 m-b:1 l-s:t " data-spec="title" > ..."

Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Line: 717 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 1267 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 1823 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 2853 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 3408 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 3963 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 4513 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..." Line: 5063 Column: 3 - 1
"...> <h2> <div class=" m-b:.7 m-b:0@sm top:-1@sm left:-.5@sm pos:a@sm z-i:3 " > <spa..."

Warnings

The “navigation” role is unnecessary for element “nav”.

Line: 153 Column: 1 - 94
"...r z-i:5'> <nav class='Main-nav Main-nav--uninitialized Main-nav/Popper' id='main-nav' role='navigation'> <div ..." Line: 5618 Column: 1 - 47
"...__links'> <nav class='footer__section' role='navigation'> <h3 c..." Line: 5632 Column: 1 - 47
"...l> </nav> <nav class='footer__section' role='navigation'> <h3 c..." Line: 5641 Column: 1 - 47
"...l> </nav> <nav class='footer__section' role='navigation'> <h3 c..." Line: 5652 Column: 1 - 47
"...l> </nav> <nav class='footer__section' role='navigation'> <h3 c..." Line: 5691 Column: 1 - 23
"...ntainer'> <nav role='navigation'> <ul c..."

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ted.com 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.


ted.com 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.