Coris.noaa.gov - SEO Checker

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Overview of the SEO Check
Meta information
69% 
Page quality
84% 
Page structure
79% 
Link structure
88% 
Server
68% 
External factors
100% 
SEO Score
Response time
0.85 s
File size
29.50 kB
Words
559
Media files
18
Number of links
74 internal / 21 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NOAA Coral Reef Information System (CoRIS) Home Page
The length of the page title is perfect. (530 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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)
Meta http-equiv Content-Type: iso-8859-1
Meta Charset Attribut: utf-8
The specified character encodings are different.
The character encoding is not specified in the HTTP header.
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
keywordsNOAA, National Oceanic and Atmospheric Administration, Coral Reef Information System, CoRIS, United States Coral Reef Task Force, National Ocean Service, NESDIS, National Oceanographic Data Center, coral, coral reef, coral ecosystem, coral reef data, coral reef information, coris
DC.titleNOAA's Coral Reef Information System (CoRIS) Home Page
DC.descriptionNOAA's Coral Reef Information System (CoRIS) is designed to be a single point of access to NOAA coral reef information and data products, especially those derived from NOAA's Coral Reef Conservation Program. Home Page.
DC.creatorUS Department of Commerce, National Oceanic and Atmospheric Administration
DC.date.created2007-10-12
DC.date.reviewed2024-02-16
DC.languageEN-US
viewportwidth=device-width, initial-scale=1
descriptionEmpty
authorEmpty
langen
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 559 words. That's ok.
21.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
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 20 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 8 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 amount of tags is very high (13). We recommend using a maximum of 11 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
/images_m/CRCPLogoWhite_transp.pngCoral Reef Conservation Program logo
https://www.coris.noaa.gov/images/feed.pngRSS feed icon
https://www.coris.noaa.gov/images/feed.pngRSS feed icon
https://www.coris.noaa.gov/images/feed.pngRSS feed icon
/monitoring/images/PR_socio_2022_report.jpgNational Coral Reef Monitoring Program Socioeconomic Monitoring Component: Summary Findings for Puerto Rico, 2022 report cover page
...ef-Florida-before-restoration__small.pngDiver collects photographs of Eastern Dry Rocks reef before restoration
...2021/images/AS_Socio_Cover_thumbnail.jpgNCRMP Socioeconomic Monitoring Component: Summary Findings for American Samoa, 2021 Report Cover
...ies/nauru_coral_field_id/image_nauru.jpgColonies of Distichopora violacea, Nauru.
...ities/wake_coral_field_id/image_wake.jpgA colony of Lobophyllia radians, Wake Island.
...ities/fiji_coral_field_id/image_fiji.jpgA colony of Stylaster sp., Fiji.
...ies/tonga_coral_field_id/image_tonga.jpgA large colony of Porites cylindrica, Vava'u Islands, Tonga
/activities/palau_coral_field_id/image.gifAn individual of Heliofungia actiniformis, Palau.
/images_m/permitreef_thumb.jpgLagoon and back reef (reef flat zone) with exposed coral heads.
/images_m/CRCPLogoWhite_transp2.pngCoRIS Geoportal
/images_m/twitter.pngCRCP Twitter
/images_m/facebook_small_spr3.pngCRCP Facebook
https://www.coris.noaa.gov/images_m/rss.pngRSS
/images_m/email1.pngemail CRCP

Page structure

H1 heading
(Critically important)
CoRIS: Coral Reef Information System
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 CoRIS: Coral Reef Information System
H2 Featured Data
H2 Highlights
H2 Featured Publications
H4 New!
H4 Glossary of Terminology Search
H4 Acronyms and Abbreviation List Search
H6 What are Coral Reefs?
H6 coral reef conservation program
H6 Contact CRCP →
H6 Contact Us
Some internal link anchor texts are too long.
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.
There are 21 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://www.noaa.gov/New window External Subdomain noaa.gov
A-TITLE NOAA website
http://www.coralreef.noaa.gov/...New window External Subdomain IMG-ALT Coral Reef Conservation Program logo
/welcome.htmlCoRIS Coral Reef Information System
/welcome.htmlHome
/welcome.htmlCoRIS Home
https://www.coralreef.noaa.gov/New window External Subdomain CRCP
https://www.coralreef.gov/New window External Subdomain Coral Reef Task Force
/data/welcome.htmlData & Publications Search
/proj_exp/welcome.htmlCRPC Project Explorer
/search/rest/find/document?sea...All Publications
/activities/coral_pub.htmlFeatured Publications
/activities/archive20.htmlPublications Archive
/data/key_docs.htmlKey Documents
https://www.coris.noaa.gov/rss/RSS
/otherNOAAResources.htmlOther NOAA Resources
/retired/Retired Pages
/portals/welcome.htmlAbout Regional Portals
/portals/florida.htmlFlorida
/portals/navassa.htmlNavassa Island
/portals/puertorico.htmlPuerto Rico
/portals/flowergarden.htmlFlower Garden Banks
/portals/virginislands.htmlU.S. Virgin Islands
/portals/samoa.htmlAmerican Samoa
/portals/cnmi.htmlCommonwealth of the Northern Mariana Islands
/portals/micronesia.htmlFederated States of Micronesia
/portals/guam.htmlGuam
/portals/hawaii.htmlMain Hawaiian Islands
/portals/marshall_islands.htmlRepublic of the Marshall Islands
/portals/nwhi.htmlNorthwestern Hawaiian Islands
/portals/palau.htmlRepublic of Palau
/portals/pria.htmlPacific Remote Island Areas
/activities/welcome.htmlProgram Background
/proj_exp/welcome.htmlCRCP Project Explorer
/activities/uscrtf.htmlNOAA and the Task Force
/activities/noaaoffices.htmlParticipating NOAA Offices
/monitoring/welcome.htmlNational Monitoring Program
/activities/coral_pub.htmlText duplicate Featured Publications
/activities/archive20.htmlText duplicate Publications Archive
/activities/coral_projects.htmlFeatured Projects
/glossary/welcome.htmlGlossary
https://coralreef.noaa.gov/External Subdomain Coral Reef Conservation Program's (CRCP)
/search/Subdomain Search CoRIS Data & Publications»
https://deepseacoraldata.noaa....New window External Subdomain NOAA Deep-Sea Coral Data Portal
https://data.nodc.noaa.gov/cgi...New window External Subdomain Marine Biogeographic Assessment of the Main Hawaiian Islands
https://cdhc.noaa.gov/New window External Subdomain Coral Disease and Health Consortium
https://coastalscience.noaa.go...New window External Subdomain Seafloor Characterization of the U.S. Caribbean
https://www.soest.hawaii.edu/p...New window External Subdomain Pacific Islands Benthic Habitat Mapping Center
/monitoring/status_report/Coral reef condition: National Status Report for U.S. Coral Reefs
/proj_exp/welcome.htmlText duplicate CRCP Project Explorer
/activities/projects/coral_res...The Coral Program's Restoration & Disease Activities
/activities/projects/climate/w...The Coral Program's Climate Change & Reef Resilience Activities
/monitoring/welcome.htmlNOAA's National Coral Reef Monitoring Program
/activities/projects/bleach_ev...Top 10 Things You Can Do Before, During, and After a Bleaching Event
/activities/projects/watershed...The Coral Program's Watershed Management Activities
/glossary/welcome.htmlGlossary of Terminology Search
/glossary/Acronyms and Abbreviation List Search
https://www.usa.gov/free-comme...New window External Subdomain Learn More About RSS
/rss/latest_pubs.xmlCoral Ecosystem Publications RSS Feed
/search/rest/find/document?sea...Subdomain Coral Ecosystem Data RSS Feed
/activities/ncrmp_socio_pr_202...IMG-ALT National Coral Reef Monitoring Program Socioeconomic Monitoring Component: Summary Findings for Puerto Rico, 2022 report cover page
A-TITLE National Coral Reef Monitoring Program Socioeconomic Monitoring Component: Summary Findings for Puerto Rico, 2022
/activities/ncrmp_socio_pr_202...National Coral Reef Monitoring Program Socioeconomic Monitoring Component: Summary Findings for Puerto Rico, 2022
/activities/lai_guide/welcome....IMG-ALT Diver collects photographs of Eastern Dry Rocks reef before restoration
A-TITLE A Guide to Large-Area Imaging for Coral Reef Monitoring, Research and Restoration
/activities/lai_guide/welcome....A Guide to Large-Area Imaging for Coral Reef Monitoring, Research and Restoration
/activities/ncrmp_am_samoa2021...IMG-ALT NCRMP Socioeconomic Monitoring Component: Summary Findings for American Samoa, 2021 Report Cover
A-TITLE NCRMP Socioeconomic Monitoring Component: Summary Findings for American Samoa, 2021
/activities/ncrmp_am_samoa2021...NCRMP Socioeconomic Monitoring Component: Summary Findings for American Samoa, 2021
/activities/nauru_coral_field_...IMG-ALT Colonies of Distichopora violacea, Nauru.
A-TITLE Field Guide to the Corals of Nauru
/activities/nauru_coral_field_...Field Guide to the Corals of Nauru
/activities/wake_coral_field_i...IMG-ALT A colony of Lobophyllia radians, Wake Island.
A-TITLE Field Guide to the Corals of Wake
/activities/wake_coral_field_i...Field Guide to the Corals of Wake
/activities/fiji_coral_field_i...IMG-ALT A colony of Stylaster sp., Fiji.
A-TITLE Field Guide to the Corals of Fiji
/activities/fiji_coral_field_i...Field Guide to the Corals of Fiji
/activities/tonga_coral_field_...IMG-ALT A large colony of Porites cylindrica, Vava'u Islands, Tonga
A-TITLE Field Guide to the Corals of Tonga
/activities/tonga_coral_field_...Field Guide to the Corals of Tonga
/activities/palau_coral_field_...IMG-ALT An individual of Heliofungia actiniformis, Palau.
A-TITLE Field Guide to the Corals of Palau
/activities/fsm_coral_field_id...Field Guide to the Corals of Palau
https://www.coris.noaa.gov/Anchor Next
https://www.coris.noaa.gov/Anchor Previous
/about/what_are/Continue Reading →
http://www.coralreef.noaa.gov/External Subdomain IMG-ALT CoRIS Geoportal
https://twitter.com/NOAACoralNew window External IMG-ALT CRCP Twitter
http://www.facebook.com/uscora...New window External Subdomain IMG-ALT CRCP Facebook
http://www.coralreef.noaa.gov/...New window External Subdomain Text duplicate IMG-ALT RSS
https://touchpoints.app.cloud....External Subdomain user survey
https://touchpoints.app.cloud....External Subdomain Take Our Survey
/backmatter/toc.htmlSite Map
/backmatter/accessibility.htmlAccessibility
/backmatter/contactus.htmlContact Us
/backmatter/acknowledgements.htmlAcknowledgments
/backmatter/disclaimer.htmlDisclaimer
http://www.cio.noaa.gov/servic...New window External Subdomain Information Quality
https://www.noaa.gov/organizat...New window External Subdomain Freedom of Information Act
/backmatter/privacy.htmlPrivacy Policy
https://www.coris.noaa.gov/NOAA's Coral Reef Information System
http://www.noaa.gov/New window External Subdomain NOAA
http://www.commerce.gov/New window External Subdomain Department of Commerce

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.coris.noaa.gov/"
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 0.85 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 8 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 (30 kB).

HTTP Response Header

NameValue
dateTue, 21 Jan 2025 05:50:33 GMT
serverApache
strict-transport-securitymax-age=31536000
last-modifiedThu, 05 Dec 2024 22:49:11 GMT
accept-rangesbytes
content-typetext/html
varyAccept-Encoding
content-encodinggzip
content-length7311
connectionclose
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 2,579 referring domains.
This page has 106,953 backlinks.
This page has backlinks from 720 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow:

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Search preview

Most important keywords

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

KeywordResultRecheck
CoRIS79%Check
Coral74%Check
Reef74%Check
Coral Reef74%Check
Coral Reef Information73%Check
Coral Reef Information System72%Check
NOAA coral reef71%Check
NOAA coral reef information71%Check
Information66%Check
System66%Check
Show more keywords and terms

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