Edge.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
28% 
Page structure
100% 
Link structure
82% 
Server
48% 
External factors
100% 
SEO Score
Response time
0.85 s
File size
136.10 kB
Words
11547
Media files
57
Number of links
134 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Edge.org
The page title is too short. (83 pixels of 580 max pixel length) Optimize title
The domain is used in the page's title.
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
GeneratorDrupal 7 (http://drupal.org)
viewportwidth=device-width, initial-scale=1
MobileOptimizedwidth
HandheldFriendlytrue
apple-mobile-web-app-capableyes
langen
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
The content of this page is too large (11547 words). Maybe the content could be divided into several pages.
There are 8 text duplicates on this page:
  • Duplicate 1: The work that I'm best known for is flow theory and the studies of flo...
  • Duplicate 2: MIHALY CSIKSZENTMIHALYI (1934–2021) was a Hungarian-born polymath wh...
  • Duplicate 3: His research and theories on the psychology of optimal experience have...
  • Duplicate 4: He was a member of the American Academy of Education, the American Aca...
38% of the text are stop words.
The page contains a listing, which indicates a good text layout.
172 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 20.46 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 9 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
The following tag is repeated too often: mihaly csikszentmihalyi's edge bio page
Some tags are too long. With 89 characters this one is longer than 70 characters:
"flow: positive human behavior - a conversation with mihaly csikszentmihalyi [august 2004]"
Image SEO
(Somewhat important)
37 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/sites/default/files/edge_logo.jpgEdge.org
...onversation/leadimage/DK.2.17.22.1_0.jpgNo alt attribute provided
/images/EdgeCast%20Logo%20short@2x.pngNo alt attribute provided
https://www.edge.org/images/Csik.pngNo alt attribute provided
/images/EdgeCast%20Logo%20short@2x.pngNo alt attribute provided
https://www.edge.org/images/Csik.pngNo alt attribute provided
/documents/postcards03/images/postcard.gifNo alt attribute provided
/3rd_culture/images/pc3.pngNo alt attribute provided
/images/postcard_mcewan.jpgNo alt attribute provided
/images/postcard_rovelli.jpgNo alt attribute provided
/images/postcard_lsmith.jpgNo alt attribute provided
/images/postcard_blackmore.jpgNo alt attribute provided
/images/postcard_pinker.jpgNo alt attribute provided
/images/postcard_yanai.pngNo alt attribute provided
..._culture/images/Golomb_postcard_spam.jpgNo alt attribute provided
/images/postcard_keating.jpgNo alt attribute provided
/images/postcard_sejnowski.jpgNo alt attribute provided
/images/postcard_dysonjpg.jpgNo alt attribute provided
/3rd_culture/images/Mather_postcard.jpgNo alt attribute provided
...ulture/images/Lieberman_Dan_postcard.jpgNo alt attribute provided
...culture/images/Hossenfelder_postcard.jpgNo alt attribute provided
/3rd_culture/images/Leroi_postcard.jpgNo alt attribute provided
/3rd_culture/images/DChristian_postcard.jpgNo alt attribute provided
/3rd_culture/images/Pepperberg_postcard.jpgNo alt attribute provided
/3rd_culture/images/postcard_Barbour.jpgNo alt attribute provided
/images/Kelly_postcard.jpgNo alt attribute provided
/images/Chalmers_postcard.jpgNo alt attribute provided
/3rd_culture/images/West_postcard.pngNo alt attribute provided
...culture/images/DeutschDiana_postcard.jpgNo alt attribute provided
/3rd_culture/images/Gefter_postcard.jpgNo alt attribute provided
/3rd_culture/images/Nisbett_postcard.jpgNo alt attribute provided
/3rd_culture/images/Nesse_postcard.jpgNo alt attribute provided
/3rd_culture/images/Goff_postcard.jpgNo alt attribute provided
/3rd_culture/images/Smoot_postcard.pngNo alt attribute provided
/3rd_culture/images/Schneider_postcard.jpgNo alt attribute provided
...culture/images/Ramakrishnan_postcard.jpgNo alt attribute provided
/3rd_culture/images/Dennett_postcard.jpgNo alt attribute provided
/3rd_culture/images/Kreye_postcard.jpgNo alt attribute provided
https://www.edge.org/misc/feed.pngSubscribe to Front page feed
...icture-4905-1450923154.jpg?itok=F109WObNscott_aaronson's picture
...s/bk_5_maria_abramovic.jpg?itok=D7E5apq4marina_abramovic's picture
.../bk_822_daron_acemoglu.jpg?itok=98gBpVI0daron_acemoglu's picture
...res/bk_268_jerry_adler.jpg?itok=ootWCrmyjerry_adler's picture
...s/bk_4_anthony_aguirre.jpg?itok=6uBwpK3xanthony_aguirre's picture
...picture-371-1398117273.jpg?itok=X_Wtn_TNizumi_aizu's picture
...ictures/bk_6_alan_alda.jpg?itok=s3Fx0vYwalan_alda's picture
...picture-281-1434559831.png?itok=uny14ylMstephon_h_alexander's picture
...icture-2923-1444929459.png?itok=8Qf5uCS5paul_allen's picture
...icture-2650-1389289704.jpg?itok=an_Zisx6anna_dreber_almenberg's picture
...picture-343-1434565560.png?itok=jQlTBGgHstewart_alsop's picture
...picture-780-1360100340.jpg?itok=C41sqaLBadam_alter's picture
...picture-561-1427398708.png?itok=yFKIVIR4ivan_amato's picture
...icture-6532-1515790511.png?itok=n-qgjg8Xdorsa_amir's picture
..._390_philip_w_anderson.jpg?itok=mRY7qTQpphilip_w_anderson's picture
...k_718_chris_w_anderson.jpg?itok=aY46k7U9chris_anderson's picture
...es/bk_8_chris_anderson.jpg?itok=v9unEya8christopher_j_anderson's picture
...res/bk_7_alun_anderson.jpg?itok=B3ROWZv_alun_anderson's picture

Page structure

H1 heading
(Critically important)
Adversarial Collaboration: An EDGE Lecture by Daniel Kahneman
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Adversarial Collaboration: An EDGE Lecture by Daniel Kahneman
H1 Flow: Positive Human Behavior
H1 Mihaly Csikszentmihalyi: 1934–2021
H1 Summer Postcards
H2 RECENT CONVERSATIONS AT EDGE.ORG →
H2 GET EDGE.ORG BY EMAIL
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 3 external links on this page.
LinkAttributesAnchor text
https://www.edge.org/Anchor Skip to main content
https://www.edge.org/IMG-ALT Edge.org
https://www.edge.org/Text duplicate Edge.org
A-TITLE Home page
https://www.edge.org/HOME
/conversationsCONVERSATIONS
https://www.edge.org/videosVIDEO
A-TITLE The Edge video library
https://www.edge.org/audiosAUDIO
/annual-questionsANNUAL QUESTION
https://www.edge.org/eventsEVENTS
https://www.edge.org/newsNEWS
https://www.edge.org/libraryLIBRARY
/about-edgeorgABOUT
https://www.edge.org/peoplePEOPLE
/adversarial-collaboration-dan...Adversarial Collaboration: An EDGE Lecture by Daniel Kahneman
https://edgecast.fireside.fm/New window External Subdomain No Text
/memberbio/daniel_kahnemanNew window Daniel Kahneman’s Edge Bio Page
/adversarial-collaboration-dan...Continue Reading →
/conversationsConversation
/content-category/mindMIND
/conversation/mihaly_csikszent...Flow: Positive Human Behavior
https://edgecast.fireside.fm/New window External Subdomain No Text
/memberbio/mihaly_csikszentmih...New window Mihaly Csikszentmihalyi's Edge Bio Page
/conversation/mihaly_csikszent...Text duplicate Continue Reading →
/mihaly-csikszentmihalyi-1934–...Mihaly Csikszentmihalyi: 1934–2021
/memberbio/mihaly_csikszentmih...New window Text duplicate Mihaly Csikszentmihalyi's Edge Bio Page
/remembering-mihaly-csikszentm...Anchor Introduction
/remembering-mihaly-csikszentm...Anchor Flow: Positive Human Behavior - A Conversation with Mihaly Csikszentmihalyi
/remembering-mihaly-csikszentm...Anchor Essays in Response to the Edge Annual Question
/mihaly-csikszentmihalyi-1934–...Text duplicate Continue Reading →
/summer-postcardsSummer Postcards
/summer-postcardsAnchor Ian McEwan
/summer-postcardsAnchor Carlo Rovelli
/summer-postcardsAnchor Laurence C. Smith
/summer-postcardsAnchor Susan Blackmore
/summer-postcardsAnchor Steven Pinker
/summer-postcardsAnchor Itai Yanai
/summer-postcardsAnchor Beatrice Golomb
/summer-postcardsAnchor Brian G. Keating
/summer-postcardsAnchor Terrence J. Sejnowski
/summer-postcardsAnchor George Dyson
/summer-postcardsAnchor Howard Gardner
/summer-postcardsAnchor John C. Mather
/summer-postcardsAnchor Daniel E. Lieberman
/summer-postcardsAnchor Sabine Hossenfelder
/summer-postcardsAnchor Armand Marie Leroi
/summer-postcardsAnchor David Christian
/summer-postcardsAnchor Irene Pepperberg
/summer-postcardsAnchor Julian Barbour
/summer-postcardsAnchor Kevin Kelly
/summer-postcardsAnchor David Chalmers
/summer-postcardsAnchor Geoffrey West
/summer-postcardsAnchor Diana Deutsch
/summer-postcardsAnchor Amanda Gefter
/summer-postcardsAnchor Richard Nisbett
/summer-postcardsAnchor Randolph Nesse
/summer-postcardsAnchor Philip Goff
/summer-postcardsAnchor George Smoot
/summer-postcardsAnchor Susan Schneider
/summer-postcardsAnchor Venki Ramakrishnan
/summer-postcardsAnchor Daniel C. Dennett
/summer-postcardsAnchor Andrian Kreye
/memberbio/ian_mcewanNew window IAN MCEWAN
/memberbio/carlo_rovelliNew window CARLO ROVELLI
/memberbio/laurence_c_smithNew window LAURENCE C. SMITH
/memberbio/susan_blackmoreNew window SUSAN BLACKMORE
/memberbio/steven_pinkerNew window STEVEN PINKER
/memberbio/itai_yanaiNew window ITAI YANAI
/memberbio/beatrice_golombNew window BEATRICE GOLOMB
/memberbio/brian_g_keatingNew window BRIAN G. KEATING
/memberbio/terrence_j_sejnowskiNew window TERRENCE J. SEJNOWSKI
/memberbio/george_dysonNew window GEORGE DYSON
/memberbio/howard_gardnerNew window HOWARD GARDNER
/memberbio/john_c_matherNew window JOHN C. MATHER
/memberbio/daniel_liebermanNew window DANIEL E. LIEBERMAN
/memberbio/sabine_hossenfelderNew window SABINE HOSSENFELDER
/memberbio/armand_marie_leroiNew window ARMAND MARIE LEROI
/memberbio/david_christianNew window DAVID CHRISTIAN
/memberbio/irene_pepperbergNew window IRENE PEPPERBERG
/memberbio/julian_barbourNew window JULIAN BARBOUR
/memberbio/kevin_kellyNew window KEVIN KELLY
/memberbio/david_chalmersNew window DAVID CHALMERS
/memberbio/geoffrey_westNew window GEOFFREY WEST
/memberbio/diana_deutschDIANA DEUTSCH
/memberbio/amanda_gefterNew window AMANDA GEFTER
/memberbio/richard_nisbettNew window RICHARD NISBETT
/memberbio/randolph_nesseNew window RANDOLPH NESSE
/memberbio/philip_goffPHILIP GOFF
/memberbio/george_smootGEORGE SMOOT
/memberbio/susan_schneiderSUSAN SCHNEIDER
/memberbio/venki_ramakrishnanNew window VENKI RAMAKRISHNAN
/memberbio/daniel_c_dennettNew window DANIEL C. DENNETT
/memberbio/andrian_kreyeANDRIAN KREYE
/summer-postcardsText duplicate Continue Reading →
https://www.edge.org/feedIMG-ALT Subscribe to Front page feed
A-TITLE Subscribe to Front page feed
/conversationsRECENT CONVERSATIONS AT EDGE.ORG →
https://www.edge.org/peoplePeople Contributing to Edge.org →
/memberbio/scott_aaronsonA-TITLE [name]
/memberbio/scott_aaronsonIMG-ALT scott_aaronson's picture
/memberbio/marina_abramovicText duplicate A-TITLE [name]
/memberbio/marina_abramovicIMG-ALT marina_abramovic's picture
/memberbio/daron_acemogluText duplicate A-TITLE [name]
/memberbio/daron_acemogluIMG-ALT daron_acemoglu's picture
/memberbio/jerry_adlerText duplicate A-TITLE [name]
/memberbio/jerry_adlerIMG-ALT jerry_adler's picture
/memberbio/anthony_aguirreText duplicate A-TITLE [name]
/memberbio/anthony_aguirreIMG-ALT anthony_aguirre's picture
/memberbio/izumi_aizuText duplicate A-TITLE [name]
/memberbio/izumi_aizuIMG-ALT izumi_aizu's picture
/memberbio/alan_aldaText duplicate A-TITLE [name]
/memberbio/alan_aldaIMG-ALT alan_alda's picture
/memberbio/stephon_h_alexanderText duplicate A-TITLE [name]
/memberbio/stephon_h_alexanderIMG-ALT stephon_h_alexander's picture
/memberbio/paul_allenText duplicate A-TITLE [name]
/memberbio/paul_allenIMG-ALT paul_allen's picture
/memberbio/anna_dreber_almenbergText duplicate A-TITLE [name]
/memberbio/anna_dreber_almenbergIMG-ALT anna_dreber_almenberg's picture
/memberbio/stewart_alsopText duplicate A-TITLE [name]
/memberbio/stewart_alsopIMG-ALT stewart_alsop's picture
/memberbio/adam_alterText duplicate A-TITLE [name]
/memberbio/adam_alterIMG-ALT adam_alter's picture
/memberbio/ivan_amatoText duplicate A-TITLE [name]
/memberbio/ivan_amatoIMG-ALT ivan_amato's picture
/memberbio/dorsa_amirText duplicate A-TITLE [name]
/memberbio/dorsa_amirIMG-ALT dorsa_amir's picture
/memberbio/philip_w_andersonText duplicate A-TITLE [name]
/memberbio/philip_w_andersonIMG-ALT philip_w_anderson's picture
/memberbio/chris_anderson-0Text duplicate A-TITLE [name]
/memberbio/chris_anderson-0IMG-ALT chris_anderson's picture
/memberbio/christopher_j_andersonText duplicate A-TITLE [name]
/memberbio/christopher_j_andersonIMG-ALT christopher_j_anderson's picture
/memberbio/alun_andersonText duplicate A-TITLE [name]
/memberbio/alun_andersonIMG-ALT alun_anderson's picture
/cdn-cgi/l/email-protection[email protected]
https://edge.us10.list-manage....New window External Subdomain unsubscribe
/cdn-cgi/l/email-protectionText duplicate [email protected]
https://www.edge.org/edgenewsIn the News
/newsletter/subscribeGet Edge.org by email
A-TITLE Subscribe to Edge

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.edge.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.85 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 7 CSS files. This may affect the page load time negatively.
This page loads 9 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (136 kB).

HTTP Response Header

NameValue
dateThu, 31 Mar 2022 07:08:28 GMT
content-typetext/html; charset=utf-8
transfer-encodingchunked
connectionkeep-alive
x-powered-byPHP/7.4.28
x-powered-byPleskLin
x-drupal-cacheHIT
content-languageen
x-frame-optionsSAMEORIGIN
permissions-policyinterest-cohort=()
x-generatorDrupal 7 (http://drupal.org)
cache-controlpublic, max-age=0
expiresSun, 19 Nov 1978 05:00:00 GMT
varyCookie
last-modifiedThu, 31 Mar 2022 05:49:02 GMT
cf-cache-statusDYNAMIC
expect-ctmax-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=GWxXIZvsv7m2dmR6lNdGFtVoodXY9N809e0f1zPdRoooKJlrd%2FAw9OwE0WfvTiT6QLS7yDcnjx%2Fh2TzKSBK%2FaT5W0df6OHC8JkKcVlO9HsPzMWCM19CGyVkqC3pN5EZ5TXFakExpGrh7Sg%3D%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray6f474103dfbd68ec-FRA
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 13,444 referring domains.
This page has 1,724,441 backlinks.
This page has backlinks from 10,414 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 3412 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
Crawl-delay: 10
# CSS, JS, Images
Allow: /misc/*.css$
Allow: /misc/*.css?
Allow: /misc/*.js$
Allow: /misc/*.js?
Allow: /misc/*.gif
Allow: /misc/*.jpg
Allow: /misc/*.jpeg
Allow: /misc/*.png
Allow: /modules/*.css$
Allow: /modules/*.css?
Allow: /modules/*.js$
Allow: /modules/*.js?
Allow: /modules/*.gif
Allow: /modules/*.jpg
Allow: /modules/*.jpeg
Allow: /modules/*.png
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /themes/*.css$
Allow: /themes/*.css?
Allow: /themes/*.js$
Allow: /themes/*.js?
Allow: /themes/*.gif
Allow: /themes/*.jpg
Allow: /themes/*.jpeg
Allow: /themes/*.png
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /INSTALL.sqlite.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=filter/tips/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
Disallow: /?q=user/logout/

Search preview

www.edge.org
Edge.org

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Edge86%Check
EDGE Lecture69%Check
or so64%Check
Edge Community62%Check
Edge News62%Check
org60%Check
Daniel55%Check
Daniel Kahneman55%Check
ll fly46%Check
postcard45%Check

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