Sandiegoairandspace.org - SEO Checker

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Overview of the SEO Check
Meta information
66% 
Page quality
65% 
Page structure
60% 
Link structure
63% 
Server
53% 
External factors
100% 
SEO Score
Response time
4.54 s
File size
38.60 kB
Words
581
Media files
31
Number of links
112 internal / 11 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
San Diego Air & Space Museum - Historical Balboa Park, San Diego
The page title should be shorter than 580 pixels. It is 611 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The San Diego Air & Space Museum in Historical Balboa Park welcomes you to visit. The Official Air & Space Museum and Education Center of California has many attractions for the entire family.
The meta description is too long: 1206 pixels from max. 1000 pixels. Optimize description
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
Language defined in meta tags: english
Server location: United States of America
There are different language information within the page markup.
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
The following language is defined by HTML: english
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 name is very long.
The domain is no subdomain.
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)
HTTP-Header Content-Type: utf-8
Meta http-equiv Content-Type: utf-8
Meta http-equiv Content-Type: iso-8859-1
The specified character encodings are different.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
titleSan Diego Air & Space Museum - Balboa Park, San Diego
descriptionThe San Diego Air & Space Museum in Historical Balboa Park welcomes you to visit. The Official Air & Space Museum and Education Center of California has many attractions for the entire family.
keywordssan, diego, museum, balboa, park, aerospace, air, space, attraction, adventure, nasa, aviation, ford building, apollo 9, aliens, blue angel, historical, association
owner[email protected]
authorSan Diego Air & Space Museum
languageenglish
apple-mobile-web-app-capableyes
apple-mobile-web-app-titleSDASM
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no
ratingGeneral
robotsINDEX,FOLLOW
revisit-after7 days
langen
Content-Typetext/html;charset=iso-8859-1
X-UA-CompatibleIE=edge
expiresEmpty

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 581 words. That's ok.
25% of the text are stop words.
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 22.4 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=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Some tags are too long. With 155 characters this one is longer than 70 characters:
"in the interest of protecting the public health of our staff and visitors, the museum is temporarily c..."
The following tag is repeated too often: january 06, 2021
Image SEO
(Somewhat important)
21 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
/img/logo_mobile.pngNo alt attribute provided
/img/heart_icon.pngNo alt attribute provided
/img/featured/airspaceyourplace.pngAir & Space at Your Place
/img/featured/little_engineers.pngLittle Engineers 2021 No SDASM Logo
/img/featured/SDASM_LOF_2020_1155x473_1.jpgHall of Fame 2020
/img/featured/icon_test.pngNo alt attribute provided
/img/featured/covid192.pngNo alt attribute provided
/img/featured/challenges_tiny.pngNo alt attribute provided
/img/featured/sdasmtv_tiny.pngNo alt attribute provided
/img/featured/rover_small.pngNo alt attribute provided
/img/featured/ansayp_tiny.pngNo alt attribute provided
/img/featured/SDASM_LOF_2020_62x62.pngNo alt attribute provided
.../featured/little_engineers_2021_tiny.pngNo alt attribute provided
/img/featured/donate_icon.pngNo alt attribute provided
/img/featured/member_icon.pngNo alt attribute provided
/img/featured/event_icon.pngNo alt attribute provided
/img/featured/shopping.pngNo alt attribute provided
/img/avatars/pbyAvatar.pngNo alt attribute provided
/img/avatars/museum_avatar.pngNo alt attribute provided
/img/sdasm_facebook_front.pngNo alt attribute provided
/img/sdasm_twitter_front.pngNo alt attribute provided
/img/sdasm_instagram_front.pngNo alt attribute provided
/img/sdasm_pinterest_front.pngNo alt attribute provided
/img/art_culture_logo.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 28 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Today at the Museum
H2 Upcoming Events
H2 Support Your Museum
H2 Blog
H2 Twitter
H2 Images from the Archives
H2 San Diego Air & Space Museum
H3 Visit
H3 Calendar
H3 New at the Museum
H3 Collections
H3 Exhibits
H3 Newsletters
H3 Education
H3 Library & Archives
H3 Volunteer Corner
H3 Calendar Duplicate text
H3 Plan Your Next Event
H3 Support Your Museum Duplicate text
H3 About the Museum
H3 Press
H3 Empty heading
H3 Empty heading
H3 Empty heading
H4 San Diego Air & Space Museum Mourns the loss of Chuck Yeager
H4 High Flying Films
H4 Subscribe to our E-Newsletter
H4 Get Social with SDASM
H4 Our Location
H4 Thank You Sponsors
H4 Become a Sponsor
Some anchor texts are used more than once.
7 links don't have an anchor text.
There are 4 links with a trivial anchor text.
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 11 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://sandiegoairandspace.org/No Text
https://sandiegoairandspace.org/No Text
/visit/visit-the-museumHours & Pricing
/visit/directionsDirections
/visit/museum-map/museum-mapMuseum Map
/visit/museum-gift-shopMuseum Gift Shop
/visit/beam-tour-programBEAM Tour Program
/visit/simulators-interactive-...Simulators & Interactive Area
/visit/flight-path-grillFlight Path Grill
//visit/group-visits-guided-toursGroup Visits & Guided Tour Form
/visit/gillespie-field-annexGillespie Field Annex
/visit/frequently-asked-questionsFrequently Asked Questions
/espanolEn Español
/calendarOverview
/calendar/featuredFeatured Events
/calendar/past-eventsPast Events
/exhibits/special-exhibitionsSpecial Exhibits
/visit/currently-playing-in-th...Currently Playing Movies
/collection/aircraftAircraft & Spacecraft
/collection/artifactsArtifacts
/collection/image-collectionImage Collection
/collection/film-audio-archiveFilm & Audio Archive
/collection/special-collectionsSpecial Collections
/pdf/collection_management_pol...Collection Management Policy (PDF)
/collection/restoration-projectsRestoration Projects
/exhibits/special-exhibitionsSpecial Exhibts
/exhibits/online-exhibit-page/...International Air & Space Hall of Fame
/exhibits/online-exhibitsOnline Exhibits
/exhibits/exhibit-galleriesExhibit Galleries
/visit/museum-map/museum-mapText duplicate Museum Map
/newslettersMuseum Newsletter Issues
/newsletters/library_newsletterLibrary & Archives Newsletter
/newsletters/newsletter-signup...Sign Up Today!
/education/education-overviewText duplicate Overview
/education/stem_challengeSTEM Challenges
/education/remote-learning-exp...Remote Learning
/education/educational-toursSchool Group Visits
/education/school-programsWorkshops
/education/preschool-programsPreschool Programs
/education/summer-camps/summer...Summer Camps
/education/ground-schoolPilot Ground School
/education/competitionsCompetitions
/education/scholarshipsScholarships
/education/teacher-sectionEducator Resources
/education/education-new-signu...Education News Signup
/research/research-overviewText duplicate Overview
/research/research-servicesResearch Services
http://s92006.eos-intl.net/S92...External Subdomain Online Catalog
/research/usage-reproductionUsage & Reproduction
/research/library-projectsLibrary & Archives Projects
/research/oral-historyOral History
/volunteer/volunteer-cornerAbout
/volunteer/meetingsVolunteer Meetings
/volunteer/eventsVolunteer Events
/calendarText duplicate Overview
/calendar/featuredText duplicate Featured Events
/calendar/past-eventsText duplicate Past Events
/plan-your-event/overviewText duplicate Overview
/plan-your-event/events-brochureSpecial Events Brochure
/plan-your-event/birthday-partiesBirthday Parties
/plan-your-event/vendorsPreferred Vendors
/plan-your-event/event-floorpansFloorplans
/plan-your-event/event-formTell Us About Your Next Event
/gallery/albums/special-eventsSpecial Events Photo Gallery
/support/become-a-memberBecome a Member
/support/donate/donateDonate
/support/publicationsPublications
/museum/sponsorsMuseum Sponsors
/support/become-a-sponsorBecome a Sponsor
/support/volunteer-at-the-museumVolunteer at the Museum
/support/collection-donationsCollections Donations
/museum/museum-overviewText duplicate Overview
/pdf/annual_report_2019.pdfAnnual Report (PDF)
/museum/museum-historyHistory of the Museum
/exhibits/online-exhibit-page/...History of the Ford Building
/museum/board-of-directorsBoard of Directors
/museum/gillespie-field-annexText duplicate Gillespie Field Annex
/museum/low-speed-wind-tunnelLow Speed Wind Tunnel
/museum/employmentEmployment
/museum/legal-privacy-informationLegal & Privacy Information
/museum/refund-policyRefund Policy
/museum/contactContact the Museum
/pressPress Releases
/press/press-brollB-Roll & Video Downloads
https://www.airandspacestore.org/New window External Shop our Online Store
/donateDonate Now
/calendar/event/air-space-at-y...IMG-ALT Air & Space at Your Place
/calendar/event/air-space-at-y...No Text
/education/preschool-programsIMG-ALT Little Engineers 2021 No SDASM Logo
/education/preschool-programsNo Text
/exhibits/online-exhibit-page/...IMG-ALT Hall of Fame 2020
/exhibits/online-exhibit-page/...No Text
/visit/visit-the-museumNo Text
/visit/visit-the-museumText duplicate Hours & Pricing
/museum/a-message-to-our-suppo...No Text
/museum/a-message-to-our-suppo...A Message to Our Supporters
/education/stem_challengeNo Text
/education/stem_challengeText duplicate STEM Challenges
/museum/sdasmtvNo Text
/museum/sdasmtvSDASM TV! sponsored by SDG&E
/calendar/event/engineering-to-gofind out more
/calendar/event/air-space-at-y...Text duplicate find out more
/calendar/event/2020-internati...Text duplicate find out more
/calendar/event/little-enginee...Text duplicate find out more
/support/donate/donateText duplicate Donate
/support/become-a-memberText duplicate Become a Member
/plan-your-event/overviewHave Your Next Event Here
https://airandspacestore.org/External Shop at our Online Store
/blogTrivial anchor text
Read More
/blog/article/san-diego-air-sp...Text duplicate Trivial anchor text
Read More
/blog/article/high-flying-filmsText duplicate Trivial anchor text
Read More
http://www.twitter.com/sdasmExternal @sdasm on Twitter
https://twitter.com/SDASMExternal Tweets by SDASM
https://www.facebook.com/SDASMExternal San Diego Air & Space Museum
https://www.facebook.com/SDASM/New window External No Text
https://twitter.com/sdasmNew window External No Text
https://www.instagram.com/sand...New window External No Text
https://www.pinterest.com/sdasm/New window External No Text
https://maps.google.com/maps?d...External Subdomain 2001 Pan American Plaza, San Diego, CA
/espanolInformación En Español
/museum/contactContact Us
/museum/sponsorsTrivial anchor text
Click here
/support/become-a-sponsorText duplicate Become a Sponsor

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://sandiegoairandspace.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 is very slow (4.54 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 page loads 8 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 (39 kB).

HTTP Response Header

NameValue
servernginx/1.16.1
dateWed, 13 Jan 2021 08:43:30 GMT
content-typetext/html; charset=UTF-8
content-length7326
connectionkeep-alive
x-powered-byPHP/7.3.11
x-frame-optionsSAMEORIGIN
expiresMon, 26 Jul 1997 05:00:00 GMT
pragmano-cache
set-cookie114 Characters
last-modifiedWed, 13 Jan 2021 08:43:30 GMT
varyAccept-Encoding,User-Agent
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 2,392 referring domains.
This page has 66,779 backlinks.
This page has backlinks from 1,445 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /*.pdf$

User-agent: *
Disallow: /*.jpg$

User-agent: * 
Disallow: /*.xls$

Similar sites

Search preview

sandiegoairandspace.org
San Diego Air & Space Museum - Historical Balboa Park, San Diego
The San Diego Air & Space Museum in Historical Balboa Park welcomes you to visit. The Official Air & Space Museum and Education Center of California has many attractions for the entire family.

Most important keywords

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

KeywordResultRecheck
Air81%Check
Space81%Check
Air Space81%Check
Diego Air80%Check
San Diego Air Space80%Check
San79%Check
Diego79%Check
San Diego79%Check
Air Space Museum78%Check
Diego Air Space Museum78%Check
Show more keywords and terms

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