Birdsoftheworld.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
52% 
Page structure
70% 
Link structure
62% 
Server
18% 
External factors
100% 
SEO Score
Response time
1.00 s
File size
135.90 kB
Words
907
Media files
62
Number of links
73 internal / 35 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/625648577/1200
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/625648577/1200
og:image:altPeregrine Falcon
x-ua-compatibleie=edge
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 44.33 words is high.
This page contains 907 words. That's ok.
24.7% 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.
9 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)
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 18 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
...w/clo_birdsoftheworld_horizontal_web.svgBirds of the World
...os/bow/clo_birdsoftheworld_short_web.svgBirds of the World
...w/clo_birdsoftheworld_horizontal_web.svgBirds of the World
....cornell.edu/api/v1/asset/625648577/2400Peregrine Falcon
data:[...] Base64Northern Flicker
data:[...] Base64Somali Lark
data:[...] Base64Dusky Tetraka
data:[...] Base64Grauer's Cuckooshrike
data:[...] Base64Slaty-mantled Goshawk
data:[...] Base64New Britain Goshawk
data:[...] Base64New Britain Sparrowhawk
data:[...] Base64Red-tailed Hawk
data:[...] Base64Little Egret
data:[...] Base64White-tailed Tityra
data:[...] Base64Southern House Wren
data:[...] Base64Siberian Pipit
data:[...] Base64Olive-headed Greenbul
data:[...] Base64Levaillant's Cisticola
data:[...] Base64Mistletoebird
data:[...] Base64Guatemalan Flicker
data:[...] Base64Turkey Vulture
data:[...] Base64Cocos Booby
.../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 2024 Taxonomy Update—IN PROGRESS!
H2 Webinar: What's new in avian taxonomy - 2024 Edition
H2 FOUND: Mysterious Unicolored Thrush documented in Bolivia!
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 too many external links (35) 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/perfal/cur/introd...Peregrine Falcon Falco peregrinus
https://macaulaylibrary.org/as...External Macaulay Library
https://ebird.org/checklist/S2...External eBird
/bow/species/norfli/cur/introd...Northern Flicker Colaptes auratus
IMG-ALT Northern Flicker
A-TITLE Illustration by Hilary Burn.
/bow/species/slblar1/cur/intro...Somali Lark Corypha somalica
IMG-ALT Somali Lark
/bow/species/dustet1/cur/intro...Dusky Tetraka Crossleyia tenebrosa
IMG-ALT Dusky Tetraka
A-TITLE Illustration by John Cox.
/bow/species/gracus1/cur/intro...Grauer's Cuckooshrike Ceblepyris graueri
IMG-ALT Grauer's Cuckooshrike
/bow/species/slmgos1/cur/intro...Slaty-mantled Goshawk Tachyspiza luteoschistacea
IMG-ALT Slaty-mantled Goshawk
A-TITLE Illustration by Alan Harris.
/bow/species/nebgos1/cur/intro...New Britain Goshawk Tachyspiza princeps
IMG-ALT New Britain Goshawk
A-TITLE Illustration by Alan Harris.
/bow/species/nebspa1/cur/intro...New Britain Sparrowhawk Tachyspiza brachyura
IMG-ALT New Britain Sparrowhawk
A-TITLE Illustration by Alan Harris.
/bow/species/rethaw/cur/introd...Red-tailed Hawk Buteo jamaicensis
IMG-ALT Red-tailed Hawk
A-TITLE Illustration by Ian Willis.
/bow/species/litegr/cur/introd...Little Egret Egretta garzetta
IMG-ALT Little Egret
/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/whttit2/cur/intro...New Account White-tailed Tityra Tityra leucura Oct 22, 2024
IMG-ALT White-tailed Tityra
A-TITLE Illustration by Chris Rose.
/bow/species/houwre4/cur/intro...New Account Southern House Wren Troglodytes musculus Oct 22, 2024
IMG-ALT Southern House Wren
A-TITLE Illustration by Hilary Burn.
/bow/species/sibpip1/cur/intro...New Account Siberian Pipit Anthus japonicus Oct 22, 2024
IMG-ALT Siberian Pipit
/bow/species/stfgre1/cur/intro...New Account Olive-headed Greenbul Arizelocichla striifacies Oct 22, 2024
IMG-ALT Olive-headed Greenbul
A-TITLE Illustration by Hilary Burn.
/bow/species/tincis1/cur/intro...Full Revision Levaillant's Cisticola Cisticola tinniens Oct 22, 2024
IMG-ALT Levaillant's Cisticola
/bow/species/mistle1/cur/intro...Mistletoebird Dicaeum hirundinaceum Oct 22, 2024
IMG-ALT Mistletoebird
A-TITLE Illustration by Hilary Burn.
/bow/species/norfli1/cur/intro...New Account Guatemalan Flicker Colaptes mexicanoides Oct 22, 2024
IMG-ALT Guatemalan Flicker
A-TITLE Illustration by Hilary Burn.
/bow/species/turvul/cur/introd...Full Revision Turkey Vulture Cathartes aura Oct 22, 2024
IMG-ALT Turkey Vulture
/bow/species/cocboo1/cur/intro...New Account Cocos Booby Sula brewsteri Oct 22, 2024
IMG-ALT Cocos Booby
/bow/latest-updatesAll recently updated accounts
/bow/news/2024-taxonomy-update2024 Taxonomy Update—IN PROGRESS!
/bow/news/webinar-whats-new-in...Webinar: What's new in avian taxonomy - 2024 Edition
/bow/news/found-mysterious-uni...FOUND: Mysterious Unicolored Thrush documented in Bolivia!
/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://abcbirds.org/External IMG-ALT American Bird Conservancy
https://americanornithology.org/External IMG-ALT American Ornithological Society
https://www.audubonpanama.org/External Subdomain IMG-ALT Audubon Panamá
https://www.aplori.org/External Subdomain IMG-ALT A.P. Leventis Ornithological Research Institute
https://armoniabolivia.org/External IMG-ALT Armonia Bolivia
https://www.avesdecostarica.org/External Subdomain IMG-ALT Asociación Ornitológica de Costa Rica (AOCR)
https://www.avesargentinas.org...External Subdomain IMG-ALT Aves Argentinas
https://avibase.ca/External IMG-ALT Avibase
https://aveshonduras.org/External IMG-ALT Aves Honduras
/bow/content/aves-uruguayIMG-ALT Aves Uruguay
https://www.birdscaribbean.org/External Subdomain IMG-ALT Birds Caribbean
/bow/content/bird-count-indiaIMG-ALT Bird Count India
https://www.cicese.edu.mx/External Subdomain IMG-ALT Centro de Investigación Científica y de Educación Superior de Ensenada
https://cipamex.org/External IMG-ALT CIPAMEX
https://www.facebook.com/profi...External Subdomain IMG-ALT Clan Thamnophilus
https://www.iucn.org/our-union...External Subdomain IMG-ALT IUCN SSC Heron Specialist Group
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
https://malaysianbird.report/External IMG-ALT Malaysian Bird Report
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://sociedadornitologicade...External IMG-ALT Sociedad Ornitològica de Córdoba
https://www.tbri.gov.tw/External Subdomain IMG-ALT Taiwan Biodiversity Research Institute
/bow/content/venezuelan-ornith...IMG-ALT Union Venezolana De Ornitologos
https://www.usfq.edu.ec/enExternal Subdomain IMG-ALT Universidad San Francisco de Quito - Ecuador
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
https://give.birds.cornell.edu...External Subdomain Donate
/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 of 1.00 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.
The file size of the HTML document is fine (136 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
dateTue, 05 Nov 2024 03:30:12 GMT
expires0
pragmano-cache
set-cookie31 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

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 896 referring domains.
This page has 89,069 backlinks.
This page has backlinks from 624 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

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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: peer39_crawler/1.0
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User-agent: PerplexityBot
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User-agent: Scrapy
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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
American Bird63%Check
birds Text62%Check
Two Birds62%Check
world Video58%Check
Accounts54%Check
species accounts52%Check
Show more keywords and terms

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