Nsta.org - SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
1.18 s
File size
50.30 kB
Media files
Number of links
88 internal / 35 external

Task list of SEO Improvements

Meta specifications

(Critically important)
National Science Teaching Association
The length of the page title is perfect. (346 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(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.
(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.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

viewportwidth=device-width, initial-scale=1.0, maximum-scale=1

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Page quality

(Critically important)
This page contains 589 words. That's ok.
20.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
6 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.3 words is good.
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This website loads 11 javascript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
3 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.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 31 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Connect with Other Educators
H2 The Learning Center
H2 Exhibits and Advertising
H3 Books, Articles, and More
H3 NSTA Science Store
H3 Special-focus Sites
H3 NSTA Conferences
H3 Exhibits & Advertising
H3 Workshops & Online Courses
H3 More Professional Learning
H3 About the Next Generation Science Standards (NGSS)
H3 Implementation
H3 The NGSS@NSTA Community
H3 Member Services
H3 Not a Member?
H3 Join NSTA Now!
H3 All About NSTA
H3 Get Involved
H3 Resources
H3 Conferences
H3 STEM Resources
H3 Membership
H4 2020 National Conference
H4 2020 STEM Forum & Expo
H4 2020 Area Conferences
H4 Picture-Perfect Online Course
H4 "Three-Dimensional Learning" Workshop
H4 Picture-Perfect Workshops
H4 School Partner Program
H4 How are we doing?
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
1 links don't have an anchor text.
The amount of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
There are too many external links (35) on this page.
LinkAttributesAnchor text
https://www.nsta.org/default.aspxIMG-ALT NSTA Logo
/about/supportnsta/Donate to NSTA
https://www.nsta.org/login.aspxLog in
/publications/Books, Journals & Resources
/publications/Books, Articles, and More
/publications/press/NSTA Press®
/publications/NSTA Journals
/elementaryschool/Science and Children
/middleschool/Science Scope
https://www.nsta.org/highschool/The Science Teacher
https://www.nsta.org/college/Journal of College Science Teaching
http://csl.nsta.org/New window External Subdomain Connected Science Learning
/publications/nstareports.aspxNSTA Reports
http://learningcenter.nsta.org...External Subdomain NSTA Learning Center
/publications/Online Resources: Calendar, Freebies …
https://www.nsta.org/store/NSTA Science Store
https://www.nsta.org/store/No Text
/store/new_releases.aspxNew Releases
/store/award_winners.aspxAward Winners
/store/bargain.aspxBargain Books
http://nstasciencesupplyguide....New window External NSTA Science Supply Guide
http://careers.nsta.org/External Subdomain NSTA Career Center
/publications/Special-focus Sites
https://www.nsta.org/corteva/Agriculture / Food Lesson Plans (sponsored by Corteva)
https://www.nsta.org/climate/Climate Science Resources
https://www.nsta.org/evolution/Evolution Resources
https://www.nsta.org/informal/Informal Science Education
https://www.nsta.org/learners0-5/NSTA Initiative for Learners 0–5
https://www.nsta.org/newteachers/Preservice and New Teachers
https://www.nsta.org/parents/Resources for Parents
https://www.nsta.org/safety/Safety in the Science Classroom
/disabilities/Students with Disabilities
https://www.nsta.org/conferences/Conferences & Professional Learning
https://www.nsta.org/conferences/NSTA Conferences
https://s6.goeshow.com/nsta/na...External Subdomain Boston, April 2–5
/conferences/stem.aspxLouisville, July 22–24
/conferences/area1.aspxPittsburgh, October 29–31
/conferences/area2.aspxNew Orleans, November 19–21
/conferences/area3.aspxPhoenix, December 10–12
https://www.nsta.org/exhibitsadv/Exhibits & Advertising
https://www.nsta.org/conferences/Workshops & Online Courses
/district/pps.aspxWinter 2020
/conferences/ngss4.aspxBoston, April 1–2, 2020
/district/pps.aspxDenver, February 27–28, 2020
/district/pps.aspxPhoenix, May 5–6, 2020
https://www.nsta.org/conferences/More Professional Learning
http://learningcenter.nsta.org/External Subdomain Text duplicate NSTA Learning Center
http://learningcenter.nsta.org...External Subdomain Virtual Conferences
https://www.nsta.org/district/NSTA District Professional Learning Packages
/northropgrumman/Northrop Grumman Foundation Teachers Academy
/sciencematters/Science Matters
https://www.nsta.org/conferences/Other Professional Learning Opportunities
http://ngss.nsta.org/External Subdomain Science Standards
http://ngss.nsta.org/External Subdomain The NGSS@NSTA Hub Home Page
http://ngss.nsta.org/AccessSta...External Subdomain View the Standards
http://ngss.nsta.org/About.aspxExternal Subdomain About NGSS
http://ngssblog.nsta.org/lates...External Subdomain NGSS News
http://ngss.nsta.org/Curriculu...External Subdomain Curriculum Planning
http://ngss.nsta.org/Classroom...External Subdomain Classroom Resources
http://ngss.nsta.org/Professio...External Subdomain Professional Learning
http://learningcenter.nsta.org...New window External Subdomain NGSS Discussion Board
/membership/listserver.aspxNGSS List Server
http://blog.nsta.org/category/...New window External Subdomain NSTA Blog
https://www.nsta.org/membership/Member Services
/membership/membership.aspxRenew Your Membership
/membership/benefits.aspxReview Your Member Benefits
/membership/listserver.aspxMembers-only Email List Server
http://blog.nsta.org/category/...New window External Subdomain Membership Blog
http://careers.nsta.org/New window External Subdomain Career Center
http://static.nsta.org/pdfs/Me...New window External Subdomain IMG-ALT Membership brochure cover
/membership/membership.aspxJoin NSTA Now!
http://static.nsta.org/pdfs/Me...External Subdomain Trivial anchor text
Click here
/membership/school-partner-pro...School Partner Program
https://www.nsta.org/about/About NSTA
https://www.nsta.org/about/All About NSTA
/about/governance/Our Leadership and Governance
/about/collaboration/Our Partners in Science Education
https://www.nsta.org/about/clpa/Communication, Legislative & Public Affairs
/about/positions/Official Position Statements
/international/International Science Education
/about/contact.aspxContact & Location
/about/awards.aspxAwards and Recognition Program
/about/supportnsta/Support NSTA
/marchforscience/March for Science
https://s6.goeshow.com/nsta/na...External Subdomain IMG-ALT Secrets of Seeds
https://s6.goeshow.com/nsta/na...New window External Subdomain Register Now
/publications/Resources Lesson plans, activities, books, and ideas
IMG-ALT Resources
https://www.nsta.org/conferences/Conferences Discover upcoming conferences and professional learning opportunities
IMG-ALT Conferences
https://ngss.nsta.org/External Subdomain NGSS Hub All you need to know about the Next Generation Science Standards
https://www.nsta.org/stemSTEM Resources Your one stop shop for everything STEM
IMG-ALT STEM Resources
https://www.nsta.org/membership/Join Now
http://twitter.com/nstaNew window External IMG-ALT Twitter
http://www.facebook.com/NSTA.FBNew window External IMG-ALT Facebook
http://www.youtube.com/user/Na...New window External IMG-ALT YouTube
http://www.linkedin.com/groups...New window External IMG-ALT LinkedIn
https://plus.google.com/103023...New window External Subdomain IMG-ALT Google+
http://pinterest.com/natscitea...New window External IMG-ALT Pinterest
https://instagram.com/official...New window External IMG-ALT Instagram
/membership/dashboard.aspxSocial media dashboard
/membership/listserver.aspxE-mail List Server
http://learningcenter.nsta.org...New window External Subdomain Online Discussions
http://blog.nsta.org/New window External Subdomain Text duplicate NSTA Blog
http://learningcenter.nsta.org/New window External Subdomain Learn today, your way!
http://careers.nsta.org/New window External Subdomain Text duplicate NSTA Career Center
/elementaryschool/IMG-ALT Elementary
/middleschool/IMG-ALT Middle School
https://www.nsta.org/highschool/IMG-ALT High School
https://www.nsta.org/college/IMG-ALT College
/about/contact.aspxContact Us
https://www.nsta.org/about/legal/Legal Notice

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.nsta.org/"
HTTP header
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
(Somewhat important)
The page response time is slow (1.18 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This website loads 6 CSS files. This may affect the page load time negatively.
This website loads 11 javascript files. This may affect the load time negatively.
The file size of the HTML document is fine (50 kB).

HTTP Response Header

content-typetext/html; charset=utf-8
set-cookie68 Characters
content-security-policyframe-ancestors 'self' *.nsta.org;
access-control-allow-methodsGET, POST, PUT, DELETE, OPTIONS
dateSun, 02 Feb 2020 21:09:39 GMT

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 9,424 referring domains.
This website has 3,654,895 backlinks.
This website has backlinks from 7,102 different ip addresses.
Facebook popularity
(Somewhat important)
This website is not very popular on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


# 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: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
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: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# 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: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

in Science48%Check
NSTA Science48%Check
Science Teaching42%Check
National Science Teaching Association41%Check
Science Standards38%Check
Teaching Resources37%Check

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