Birdsoftheworld.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
52% 
Page structure
70% 
Link structure
75% 
Server
31% 
External factors
100% 
SEO Score
Response time
1.11 s
File size
170.00 kB
Words
956
Media files
46
Number of links
73 internal / 22 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Birds of the World - Cornell Lab of Ornithology
The length of the page title is perfect. (413 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Species accounts for all the birds of the world.
The length of the meta description is perfect. (286 pixels out of 1000 max pixel length)
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
viewportwidth=device-width, initial-scale=1
descriptionSpecies accounts for all the birds of the world.
msapplication-TileColor#ffffff
theme-color#ffffff
langen
twitter:cardsummary
twitter:titleBirds of the World - Comprehensive life histories for all bird species and families
twitter:descriptionSpecies accounts for all the birds of the world.
twitter:imagehttps://cdn.download.ams.birds.cornell.edu/api/v1/asset/619721698/1200
twitter:site@birdsoftheworld
og:titleBirds of the World - Comprehensive life histories for all bird species and families
og:urlhttps://birdsoftheworld.org/bow/home
og:descriptionSpecies accounts for all the birds of the world.
og:typenon_profit
og:imagehttps://cdn.download.ams.birds.cornell.edu/api/v1/asset/619721698/1200
og:image:altWestern Black-eared Wheatear
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 47.67 words is high.
This page contains 956 words. That's ok.
26.7% 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.
9 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
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 19 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
...os/bow/clo_birdsoftheworld_short_web.svgBirds of the World
...w/clo_birdsoftheworld_horizontal_web.svgBirds of the World
....cornell.edu/api/v1/asset/619721698/2400Western Black-eared Wheatear
data:[...] Base64Fiery-throated Hummingbird
data:[...] Base64Japanese Tit
data:[...] Base64Markham's Storm-Petrel
data:[...] Base64Dunn's Lark
data:[...] Base64White-throated Hawk
data:[...] Base64Ameline Swiftlet
data:[...] Base64Gray-winged Francolin
data:[...] Base64Chilean Hawk
data:[...] Base64European Bee-eater
data:[...] Base64Papuan Eclectus
data:[...] Base64Sharp-tailed Sandpiper
data:[...] Base64Redwing
data:[...] Base64Red-headed Fody
data:[...] Base64Taiga Bean-Goose
data:[...] Base64Tundra Bean-Goose
data:[...] Base64Sumba Eclectus
data:[...] Base64Tanimbar Eclectus
data:[...] Base64Moluccan Eclectus
.../clo_birdsoftheworld_short_black_web.svgBirds of the World
...m/logos/clo/clo_horizontal_white_web.svgCornell Lab of Ornithology
...os/cornell/cornell_reduced_white_web.svgCornell University
...ornell/cornell_logo_simple_white_web.svgCornell University

Page structure

H1 heading
(Critically important)
Discover Birds. Explore Science.
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Discover Birds. Explore Science.
H1 Video description
H1 Conservation Status
H2 Navigation
H2 Free Preview Accounts
H2 Subscribe to Birds of the World
H2 Recently Updated Accounts
H2 News and Webinars
H2 Stunning Video Captures Beauty of Extremely Rare Santa Marta Sabrewing
H2 WEBINAR. Avian phylogeny: a complete and dynamic tree of birds
H2 WEBINAR: The Red-tailed Hawk Project - developing a model system for studies in raptor ecology and evolution
H2 Partnerships
H3 Subscriptions for your organization
H3 Special Member Access
H3 About Birds of the World
H3 Get Updates
H3 Questions?
H3 About
H3 Features
H3 Access
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 22 external links on this page.

Found links on this page

LinkAttributesAnchor text
/bow/homeAnchor Skip to content
/bow/homeIMG-ALT Birds of the World
/bow/homeText duplicate IMG-ALT Birds of the World
/bow/content/about-birds-of-th...About
/bow/content/partnersPartners
/bow/latest-updatesRecent Updates
/bow/speciesSpecies
/bow/newsNews
/bow/news?category=webinarWebinars
/bow/subscribeSubscribe
/bow/home?loginSign In
/bow/speciesExplore Taxonomy
/bow/species/surprise-meSurprise Me
/bow/species/bkewhe1/cur/intro...Western Black-eared Wheatear Oenanthe hispanica
https://macaulaylibrary.org/as...External Macaulay Library
https://ebird.org/checklist/S1...External eBird
/bow/species/fithum1/cur/intro...Fiery-throated Hummingbird Panterpe insignis
IMG-ALT Fiery-throated Hummingbird
A-TITLE Illustration by Norman Arlott.
/bow/species/gretit4/cur/intro...Japanese Tit Parus minor
IMG-ALT Japanese Tit
A-TITLE Illustration by Hilary Burn.
/bow/species/maspet/cur/introd...Markham's Storm-Petrel Hydrobates markhami
IMG-ALT Markham's Storm-Petrel
A-TITLE Illustration by Juan M. Varela.
/bow/species/dunlar1/cur/intro...Dunn's Lark Eremalauda dunni
IMG-ALT Dunn's Lark
/bow/species/whthaw1/cur/intro...White-throated Hawk Buteo albigula
IMG-ALT White-throated Hawk
A-TITLE Illustration by Ian Willis.
/bow/species/palswi2/cur/intro...Ameline Swiftlet Aerodramus amelis
IMG-ALT Ameline Swiftlet
A-TITLE Illustration by Ian Lewington.
/bow/species/gywfra1/cur/intro...Gray-winged Francolin Scleroptila afra
IMG-ALT Gray-winged Francolin
A-TITLE Illustration by Norman Arlott.
/bow/species/bichaw4/cur/intro...Chilean Hawk Accipiter chilensis
IMG-ALT Chilean Hawk
A-TITLE Illustration by Ian Willis.
/bow/species/eubeat1/cur/intro...European Bee-eater Merops apiaster
IMG-ALT European Bee-eater
A-TITLE Illustration by Chris Rose.
/bow/subscription?checkoutButt...Subscribe and Save
/bow/subscribeLearn more about subscriptions
/bow/support/subscribeinstLearn more about institutional subscriptions
/bow/content/special-member-ac...Special Member Access
/bow/species/eclpar4/cur/intro...Full Revision Papuan Eclectus Eclectus polychloros May 31, 2024
IMG-ALT Papuan Eclectus
A-TITLE Illustration by Martin Woodcock.
/bow/species/shtsan/cur/introd...Full Revision Sharp-tailed Sandpiper Calidris acuminata May 31, 2024
IMG-ALT Sharp-tailed Sandpiper
/bow/species/redwin/cur/introd...Full Revision Redwing Turdus iliacus May 31, 2024
IMG-ALT Redwing
A-TITLE Illustration by Norman Arlott.
/bow/species/rehfod1/cur/intro...Full Revision Red-headed Fody Foudia eminentissima May 31, 2024
IMG-ALT Red-headed Fody
/bow/species/taibeg1/cur/intro...Taiga Bean-Goose Anser fabalis May 31, 2024
IMG-ALT Taiga Bean-Goose
/bow/species/tunbeg1/cur/intro...Tundra Bean-Goose Anser serrirostris May 31, 2024
IMG-ALT Tundra Bean-Goose
/bow/species/eclpar2/cur/intro...Sumba Eclectus Eclectus cornelia May 31, 2024
IMG-ALT Sumba Eclectus
A-TITLE Illustration by Martin Woodcock.
/bow/species/eclpar3/cur/intro...Tanimbar Eclectus Eclectus riedeli May 31, 2024
IMG-ALT Tanimbar Eclectus
A-TITLE Illustration by Martin Woodcock.
/bow/species/eclpar1/cur/intro...Full Revision Moluccan Eclectus Eclectus roratus May 31, 2024
IMG-ALT Moluccan Eclectus
A-TITLE Illustration by Martin Woodcock.
/bow/latest-updatesAll recently updated accounts
/bow/news/stunning-video-captu...Stunning Video Captures Beauty of Extremely Rare Santa Marta Sabrewing
/bow/news/webinar-avian-phylog...WEBINAR. Avian phylogeny: a complete and dynamic tree of birds
/bow/news/red-tailed-hawk-projectWEBINAR: The Red-tailed Hawk Project - developing a model system for studies in raptor ecology and evolution
/bow/newsAll News
/bow/news?category=webinarAll Webinars
/bow/content/about-birds-of-th...About Birds of the World
/bow/content/teamTeam
/bow/subscribeText duplicate Subscribe
/bow/support/faqsFrequently Asked Questions
/bow/support/contactContact Us
https://www.americanornitholog...External Subdomain American Ornithilogical Society
https://armoniabolivia.org/External IMG-ALT Armonia Bolivia
https://www.avesargentinas.org...External Subdomain IMG-ALT Aves Argentinas
https://avibase.ca/External IMG-ALT Avibase
/bow/content/aves-uruguayIMG-ALT Aves Uruguay
https://www.birdscaribbean.org/External Subdomain Birds Caribbean
/bow/content/bird-count-indiaBird Count India
https://www.islas.org.mx/External Subdomain IMG-ALT Conservación de Islas
https://www.corbidi.org/External Subdomain IMG-ALT Corbidi
https://ñankulafken.cl/External IMG-ALT Fundación Ñankulafkén
https://www.humboldt.org.co/External Subdomain IMG-ALT Instituto Humboldt
https://www.lynxeds.com/External Subdomain IMG-ALT Lynx Edicions
http://www.oikonos.org/External Subdomain IMG-ALT Oikonos
https://www.orientalbirdclub.org/External Subdomain IMG-ALT Oriental Bird Club
https://www.osme.org/External Subdomain IMG-ALT Ornithological Society Of The Middle East The Caucasus And Central Asia
/bow/content/roc-chileIMG-ALT RED DE OBSERVADORES DE AVES Y VIDA SILVESTRE DE CHILE
https://www.robertsbirds.co.za/External Subdomain IMG-ALT Roberts Birds
/bow/content/save-brasilIMG-ALT Save Brasil
https://www.tbri.gov.tw/External Subdomain IMG-ALT Taiwan Biodiversity Research Institute
/bow/content/venezuelan-ornith...IMG-ALT Union Venezolana De Ornitologos
https://birds.cornell.edu/External Subdomain IMG-ALT Cornell Lab of Ornithology
/bow/content/about-birds-of-th...Text duplicate About Birds of the World
/bow/content/editors-notesEditor's Notes
/bow/support/faqsText duplicate Frequently Asked Questions
/bow/content/historyHistory
/bow/support/contributeHow to Contribute
/bow/content/teamText duplicate Team
/bow/support/contactText duplicate Contact Us
/bow/key-to-scientific-names/s...Key to Scientific Names
/bow/content/ornith-notesOrnithological Notes
/bow/content/range-mapsRange Maps
/bow/speciesTaxonomy Explorer
/bow/specieslistFull Species List
/bow/newsNews and Webinars
/bow/subscribePersonal Subscriptions
/bow/support/subscribeinstInstitutional Subscriptions
/bow/content/special-member-ac...Special member access
/bow/support/scholarshipsScholarships
/bow/support/subscriptionfaqSubscription FAQs
/bow/support/termsofsaleTerms of Sale
/bow/support/bow-terms-of-useSite Terms of Use
https://birds.cornell.edu/home...External Subdomain Land Acknowledgement
https://birds.cornell.edu/home...External Subdomain Web Accessibility Assistance
https://www.birds.cornell.edu/...External Subdomain Privacy Policy
https://www.birds.cornell.edu/...External Subdomain Cornell Lab Terms of Use
/bow/home?loginText duplicate Sign In

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://birdsoftheworld.org/bow/home"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is slow (1.11 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.
The file size of the HTML document is fine (170 kB).

HTTP Response Header

NameValue
cache-controlno-cache, no-store, max-age=0, must-revalidate
content-languageen
content-security-policyframe-ancestors 'self' http://localhost:8080 https://*.birds.cornell.edu https://*.ornith.cornell.edu
content-typetext/html;charset=UTF-8
dateSat, 01 Jun 2024 15:10:50 GMT
expires0
pragmano-cache
set-cookie30 Characters
strict-transport-securitymax-age=31536000 ; includeSubDomains
varyOrigin
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
statuscode200
http_versionHTTP/2

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 1,239 referring domains.
This page has 98,568 backlinks.
This page has backlinks from 699 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: Amazonbot
Disallow: /

User-agent: anthropic-ai
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User-agent: AwarioRssBot
User-agent: AwarioSmartBot
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User-agent: Bytespider
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User-agent: CCBot
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User-agent: ChatGPT-User
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User-agent: ClaudeBot
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User-agent: Claude-Web
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User-agent: cohere-ai
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User-agent: DataForSeoBot
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User-agent: Diffbot
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User-agent: FacebookBot
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User-agent: Google-Extended
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User-agent: GPTBot
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User-agent: magpie-crawler
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User-agent: NewsNow
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User-agent: news-please
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User-agent: omgili
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User-agent: omgilibot
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User-agent: peer39_crawler
User-agent: peer39_crawler/1.0
Disallow: /

User-agent: PerplexityBot
Disallow: /

User-agent: Scrapy
Disallow: /

User-agent: TurnitinBot
Disallow: /

User-agent: *
Disallow: /*/redirect/*

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birdsoftheworld.org › bow › home
Birds of the World - Cornell Lab of Ornithology
Species accounts for all the birds of the world.

Most important keywords

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

KeywordResultRecheck
Birds87%Check
World75%Check
Discover Birds70%Check
bird species68%Check
birds Text62%Check
Two Birds62%Check
world Video59%Check
Accounts54%Check
species accounts52%Check
Cornell50%Check
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