Slavevoyages.org - SEO Checker

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Overview of the SEO Check
Meta information
73% 
Page quality
80% 
Page structure
45% 
Link structure
77% 
Server
68% 
External factors
100% 
SEO Score
Response time
0.95 s
File size
39.30 kB
Words
731
Media files
28
Number of links
61 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Viajes Esclavistas
The page title is too short. (164 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Drawing on extensive archival records, this digital memorial allows analysis of the ships, traders, and captives in the Atlantic slave trade. The three databases below provide details of 36,000 trans-Atlantic slave voyages, 10,000 intra-American ventures, names and personal information. You can read the introductory maps for a high-level guided explanation, view the timeline and chronology of the traffic, or watch the slave ship and slave trade animations to see the dispersal in action.
The meta description is too long: 2983 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
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.
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)
The favicon is linked correctly.

Meta tags

NameValue
descriptionDrawing on extensive archival records, this digital memorial allows analysis of the ships, traders, and captives in the Atlantic slave trade. The three databases below provide details of 36,000 trans-Atlantic slave voyages, 10,000 intra-American ventures, names and personal information. You can read the introductory maps for a high-level guided explanation, view the timeline and chronology of the traffic, or watch the slave ship and slave trade animations to see the dispersal in action.
viewportwidth=device-width, initial-scale=1
theme-color#008ca8
langen
x-ua-compatibleie=edge
Content-Typetext/html; charset=UTF-8
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
The average number of words per sentence of 25.53 words is high.
This page contains 731 words. That's ok.
31.5% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
/static/images/site/sv-logo.pngSlave Voyages
/static/images/site/feedback.svgFeedback Button
/static/images/site/bug.svgIssue Button
/documents/blog/images/washu_blog_image.pngLa Universidad de Washington se une a Slave Voyages
/documents/blog/images/sv-logo.pngSlaveVoyages Introducción
...c/images/site/logos/oci_white_206_63.svgPowered by Oracle for Research
Video URLWidthHeight
/static/videos/sv-bgvid-1.webm

Page structure

H1 heading
(Critically important)
Explore the Origins and Forced Relocations of Enslaved Africans Across the Atlantic World
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Explore the Origins and Forced Relocations of Enslaved Africans Across the Atlantic World
H1 Transatlántico
H1 Base de datos de trata de esclavos
H1 Intra-americano
H1 Base de datos de trata de esclavos Duplicate text
H1 People of the Atlantic Slave Trade
H1 Base de datos
H1 Galerías de Imágenes
H4 people
H4 lugares
H4 documents
H4 barcos
H5 Choose how to continue
H5 Watch Intro Video
H5 View Timelapse
H5 La Universidad de Washington se une a Slave Voyages
H5 SlaveVoyages Introducción
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.slavevoyages.org/IMG-ALT Slave Voyages
/voyage/aboutPara entender la base de datos
/voyage/databaseBase de datos
/assessment/estimatesEstimaciones
/voyage/essaysEnsayos
/voyage/downloadsDescargas
/voyage/mapsMapas introductorios
/voyage/ship3D Videos of Slaving Ships
/assessment/estimates?selected...Linea de tiempo y cronología
/contribute/Edit Database
/american/aboutText duplicate Para entender la base de datos
/american/databaseText duplicate Base de datos
/american/essaysText duplicate Ensayos
/american/downloadsText duplicate Descargas
/contribute/Text duplicate Edit Database
/resources/aboutUnderstanding the Enslaved Databases
/past/databaseEnslaved Databases
/past/database/african-originsProyecto de los orígenes africanos
/past/database/oceans-of-kinfolkOceans of Kinfolk
/resources/enslavers_aboutUnderstanding the Enslavers Database
/past/enslaversEnslavers Database
/resources/downloadsText duplicate Descargas
/contribute/Text duplicate Edit Database
/resources/images/Galerías de Imágenes
/resources/lessonsPlanes de estudio
/resources/linksEnlaces externos
/about/aboutAcerca
/blog/news/News
https://docs.google.com/forms/...New window External Subdomain Provide User Feedback
/blog/All Posts
/blog/tag/intro-mapsMapas
/blog/tag/newsText duplicate News
/blog/tag/texas-boundTexas Bound
/blog/tag/voyage-storiesVoyage Stories
/setlanguage/enEnglish
/setlanguage/ptPortuguês
/voyage/mapsMapas introductorios View places and routes of the slave trade
/voyage/ship3D video reconstructions View 3D renditions of slaving vessels
/assessment/estimates?selected...Cronología Examine estimated numbers of people trafficked across the Atlantic
https://www.facebook.com/Voyag...New window External Subdomain IMG-ALT Facebook Logo
https://twitter.com/slavevoyagesNew window External IMG-ALT Twitter Logo
https://forms.gle/B1Q4Z3xA8ovi...New window External user feedback
IMG-ALT Feedback Button
A-TITLE Provide your thoughts and suggestions about the Slave Voyages site.
https://www.rice.edu/New window External Subdomain IMG-ALT Rice University Logo
/voyage/databaseView Timelapse View the movement of slaveships across the Atlantic on an interactive map.
/blog/washington-university-jo...La Universidad de Washington se une a Slave Voyages Beneficios y Contribuciones
IMG-ALT La Universidad de Washington se une a Slave Voyages
/blog/slavevoyages-introductionSlaveVoyages Introducción Una retrospectiva y lo que sigue
IMG-ALT SlaveVoyages Introducción
https://www.slavevoyages.org/Anchor Previo
https://www.slavevoyages.org/Anchor Próximo
/voyage/aboutText duplicate Acerca
/voyage/databaseText duplicate Base de datos
/assessment/estimatesText duplicate Estimaciones
/voyage/essaysText duplicate Ensayos
/voyage/downloadsText duplicate Descargas
/contribute/Contribuir
/american/aboutText duplicate Acerca
/american/databaseText duplicate Base de datos
/american/downloadsText duplicate Descargas
/contribute/Text duplicate Contribuir
/resources/aboutText duplicate Acerca
/past/databaseText duplicate Base de datos
/resources/downloadsText duplicate Descargas
/resources/images/category/Peoplepeople
IMG-ALT People
/resources/images/category/Placeslugares
IMG-ALT Places
/resources/images/category/Doc...documents
IMG-ALT Documents
/resources/images/category/Ves...barcos
IMG-ALT Vessels
https://rice.edu/New window External IMG-ALT Rice University
https://emory.edu/New window External IMG-ALT Emory University
https://hutchinscenter.fas.har...New window External Subdomain IMG-ALT Hutchins Center for African and African American Research (Harvard University)
https://nmaahc.si.edu/New window External Subdomain IMG-ALT National Museum of African American History and Culture
https://oieahc.wm.edu/New window External Subdomain IMG-ALT Omohundro Institute
https://www.berkeley.edu/New window External Subdomain IMG-ALT University of California, Berkeley
https://uci.edu/New window External IMG-ALT University of California, Irvine
https://www.ucsc.edu/New window External Subdomain IMG-ALT University of California, Santa Cruz
https://www.cavehill.uwi.edu/homeNew window External Subdomain IMG-ALT University of the West Indies at Cave Hill, Barbados (UWI)
https://cre2.wustl.edu/New window External Subdomain IMG-ALT Washington University Center for the Study of Race, Ethnicity, and Equity
/about/about/New window Slave Voyages v2.2.13
https://www.gnu.org/licenses/g...New window External Subdomain Licencia Pública General de GNU 3.0
https://creativecommons.org/li...New window External Creative Commons Reconocimiento-No comercial 3.0
https://www.oracle.com/oracle-...New window External Subdomain IMG-ALT Powered by Oracle for Research

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.slavevoyages.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.95 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 6 JavaScript files. This may affect the load time negatively.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (39 kB).

HTTP Response Header

NameValue
dateThu, 26 Sep 2024 02:58:50 GMT
content-typetext/html; charset=utf-8
content-length9598
connectionkeep-alive
varyAccept-Language, Cookie, Accept-Encoding
content-languagees
content-encodinggzip
strict-transport-securitymax-age=63072000; includeSubdomains
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
x-request-id434d961733059bad5ca4481d5eeb9ecf
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,946 referring domains.
This page has 16,680 backlinks.
This page has backlinks from 1,815 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

www.slavevoyages.org
Viajes Esclavistas
Drawing on extensive archival records, this digital memorial allows analysis of the ships, traders, and captives in the Atlantic slave trade. The three databases below provide details of 36,000 trans-Atlantic slave voyages, 10,000 intra-American ventures, names and personal information. You can read the introductory maps for a high-level guided explanation, view the timeline and chronology of the traffic, or watch the slave ship and slave trade animations to see the dispersal in action.

Most important keywords

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

KeywordResultRecheck
Slave81%Check
Slave Voyages75%Check
Atlantic Slave74%Check
voyages70%Check
Atlantic68%Check
Slave Trade68%Check
Atlantic Slave Trade68%Check
slave ships65%Check
slave trades59%Check
base56%Check
Show more keywords and terms

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