Ncap.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
99% 
Page structure
100% 
Link structure
71% 
Server
76% 
External factors
100% 
SEO Score
Response time
0.92 s
File size
83.90 kB
Words
507
Media files
26
Number of links
47 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NCAP - National Collection of Aerial Photography | NCAP
The length of the page title is perfect. (512 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
NCAP The National Collection of Aerial Photography is one of the largest collections of aerial imagery in the world, containing tens of millions of images.
The length of the meta description is perfect. (933 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
crawlable_no_perplexitybot
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.ncap.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-gb
Server location: United States of America
The following language is defined by HTML: en-gb
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,minimum-scale=1
generatorSEOmatic
descriptionNCAP The National Collection of Aerial Photography is one of the largest collections of aerial imagery in the world, containing tens of millions of images.
referrerno-referrer-when-downgrade
robotsall
langen-gb
twitter:cardsummary_large_image
twitter:site@HistEnvScot
twitter:creator@HistEnvScot
twitter:titleNCAP - National Collection of Aerial Photography
twitter:descriptionNCAP The National Collection of Aerial Photography is one of the largest collections of aerial imagery in the world, containing tens of millions of images.
twitter:imagehttps://aerial-photography.transforms.svdcdn.com/production/images/ncap-homepage-hero.jpg?w=1200&h=630&q=82&auto=format&fit=crop&crop=focalpoint&fp-x=0.6636&fp-y=0.4945&dm=1774432133&s=6050f132b3a6ec3b7ff8548624914aac
twitter:image:width1200
twitter:image:height630
og:localeen_GB
og:site_nameNCAP
og:typewebsite
og:urlhttps://www.ncap.org/
og:titleNCAP - National Collection of Aerial Photography
og:descriptionNCAP The National Collection of Aerial Photography is one of the largest collections of aerial imagery in the world, containing tens of millions of images.
og:imagehttps://aerial-photography.transforms.svdcdn.com/production/images/ncap-homepage-hero.jpg?w=1200&h=630&q=82&auto=format&fit=crop&crop=focalpoint&fp-x=0.6636&fp-y=0.4945&dm=1774432133&s=6050f132b3a6ec3b7ff8548624914aac
og:image:width1200
og:image:height630
og:see_alsohttps://twitter.com/HistEnvScot
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 507 words. That's ok.
28.6% 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.
11 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 20.17 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,minimum-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 10 tags for this page.
Image SEO
(Somewhat important)
1 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)
This page uses Google authorship information without an image.
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/logo_ncap_white.svgHome page – National Collection of Aerial photography
https://www.ncap.org/static/icon_search.svgSearch
...32133&s=c25346e1a3c38f02159cf986c9bc1334A black and white historic photo of a woman in uniform viewed from over her right shoulder. She is comparing a small photograph in her hand with an enlargement on a table.
...32254&s=bea8e9e757fca66b9c3f5dece18e3072A blue-tinted aerial photo. The left-hand side is obscured but might be the sea and a shore. To the right are several buildings, with a road running vertically up the right-hand side.
....com/production/brand/icons/ordnance.svgicon with ordnance shape
....com/production/brand/icons/boundary.svgicon with unfolded map shape
...dn.com/production/brand/icons/police.svgicon with magnifying glass shape
...om/production/brand/icons/historical.svgicon with open book shape
...om/production/brand/icons/tvandmedia.svgNo alt attribute provided
...n.com/production/brand/icons/landuse.svgicon with earth globe shape
...66806&s=760dd3697b0580c2f323dd4aaced3278A black and white aerial photo of a river delta. A complex pattern of watercourses wind their way through wetlands. The 2 main channels runs vertically through the right side of the image. Data about the image is written along the bottom edge.
...32211&s=c30aa2d05c2f485cc9a0bb892ed7589fA robotic machine arm holds an aerial photographic print. The robotic arm is red and black. In the background is a room filled with screens, machinery, and green lights. To the left someone with their back to us works with a screen.
...32166&s=65e4aaa2986a6727429dacbda993a121An industrial building with signage that shows the logo of Historic Environment Scotland. Above it is a grey ‘3’ indicating the building unit number. The building is dark blue and has large glass windows. In the far right two white vans are parked.
...32242&s=4ecaab31f7e76cdf5eeb5df64966bfbeSix flat, tan coloured cardboard boxes are piled together. Each box has a label with printed and handwritten text on it. This text gives information, including locations dates and film and print numbers. The labels are slightly discoloured.
...32184&s=0b9ae37eb23b07047b7e35f1459d48d6A colour aerial photo of an airfield, with a runway running horizontally across the image. The airfield is surrounded by trees. 6 grass-covered bunkers are to the lower left of the runway, with airfield buildings to the lower right.
...32146&s=a3de4e6028d091b39cc438c356f14c7cA grand red brick building with cupulas at each corner. In front of it is a lawn scattered with fallen leaves and lit by raking sunshine. Trees are visible to either side of the building, and there is a row of yew trees between it and the lawn.
...32090&s=efc2437af6c9a9e065768bba964f68f6A black and white aerial photo of about a dozen ships pulled up on a beach. The land beyond the beach has been divided up into a grid, and the scene is slightly obscured by clouds or smoke.
...32121&s=f8130564d597a42430800c8037ca79cfA black and white oblique aerial photo of an airborne plane – a Fairey Battle – from side-on. The plane is in the top left corner and has one propellor. It has a long, glazed cockpit with the pilot visible. Fields and woods cover the landscape below.
...32101&s=8d52c0c9ab91af88e324762c2dd9586fA black and white aerial photo with the sea to the left and land to the right. There are several ships on the sea and more at piers projecting from the land. The land is heavily built-up. There are lines and annotations in red and white pencil.
...32197&s=f5746ea043715684e1e0aa3412635962A black and white aerial photo of the city of Cologne. A railway station and cathedral occupy the centre of the image. To the right a railway bridge crosses a wide river. There are buildings to the left. The scene is obscured with smoke or clouds.
/static/logo_hes_white.svgHistoric Environment Scotland logo
...oduction/brand/icons/social/facebook.svgNCAP Historic Environment Scotland on Facebook
...duction/brand/icons/social/xtwitter2.svgNCAP Historic Environment Scotland on X
...duction/brand/icons/social/instagram.svgNCAP Historic Environment Scotland on Instagram
...oduction/brand/icons/social/linkedin.svgNCAP on LinkedIn
.../production/brand/icons/social/email.svgNCAP email

Page structure

H1 heading
(Critically important)
National Collection Of Aerial Photography
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 National Collection Of Aerial Photography
H2 Discover Images From the NCAP Collection
H2 30 MILLION IMAGES
H2 Every Image Tells a Story
H2 NCAP Image History
H2 2021
H2 2008
H2 1994
H2 1981
H2 1966
H2 1944
H2 1939
H2 1924
H3 Robotic digitisation begins
H3 NCAP moves to Scotland
H3 End of the Directorate of Overseas Surveys
H3 Cold War coverage: Greenham Common
H3 Aerial photography collected at Keele University
H3 D-Day Landings
H3 Beginning of Second World War
H3 Aerial images of Hong Kong
Some anchor texts are used more than once.
There are 8 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 12 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.ncap.org/Anchor Skip to content
https://www.ncap.org/IMG-ALT Home page – National Collection of Aerial photography
https://www.ncap.org/about-usAbout NCAP
/image-collectionImage Collection
https://www.ncap.org/our-workOur Work
/products-servicesProducts & Services
https://www.ncap.org/newsNews & Articles
https://www.ncap.org/supportSupport
https://www.ncap.org/searchIMG-ALT Search
https://airphotofinder.ncap.or...External Subdomain Map Search
https://www.ncap.org/Home
https://www.ncap.org/about-usText duplicate About NCAP
/image-collectionText duplicate Image Collection
https://www.ncap.org/our-workText duplicate Our Work
/products-servicesText duplicate Products & Services
https://www.ncap.org/newsText duplicate News & Articles
https://www.ncap.org/supportText duplicate Support
/image-collectionOur Collection
https://airphotofinder.ncap.or...External Subdomain Text duplicate Map Search
/products-services/scan-on-dem...Scan On Demand
/image-collectionText duplicate Our Collection
https://airphotofinder.ncap.or...External Subdomain Text duplicate Map Search
/products-services/scan-on-dem...Text duplicate Scan On Demand
https://airphotofinder.ncap.or...External Subdomain Visit Air Photo Finder
/support/case-studiesCase Studies
/products-services/licensingImage Sales
https://www.ncap.org/about-usText duplicate About NCAP
https://www.ncap.org/support/faqsFAQs
/support/case-studiesText duplicate Case Studies
https://www.ncap.org/newsText duplicate News & Articles
/news/2024/robotic-digitisationTrivial anchor text
Read more
/news/2024/ncap-moves-to-scotlandText duplicate Trivial anchor text
Read more
/news/2024/completion-of-the-d...Text duplicate Trivial anchor text
Read more
/news/2024/cold-war-imageryText duplicate Trivial anchor text
Read more
/news/2024/at-keeleText duplicate Trivial anchor text
Read more
/news/2024/d-day-landingsText duplicate Trivial anchor text
Read more
/news/2024/beginnings-of-secon...Text duplicate Trivial anchor text
Read more
/news/2024/hong-kong-aerial-im...Text duplicate Trivial anchor text
Read more
/image-collectionText duplicate Image Collection
/products-servicesText duplicate Products & Services
/support/case-studiesText duplicate Case Studies
/about-us/partnersOur Partners
https://www.ncap.org/about-usText duplicate About NCAP
/support/contact-usContact Us
https://www.ncap.org/sitemapSitemap
/accessibilityAccessibility Statement
/licence-termsTerms of Licence
/terms-of-saleTerms of Sale
/terms-of-website-useTerms of Website Use
https://airphotofinder.ncap.or...New window External Subdomain Map Search (opens in a new tab)
https://www.historicenvironmen...External Subdomain IMG-ALT Historic Environment Scotland logo
/privacy-noticePrivacy Notice
https://www.historicenvironmen...External Subdomain Freedom of Information
/cookie-policyCookie Policy
https://www.historicenvironmen...External Subdomain Withdraw Order
https://www.facebook.com/Histo...New window External Subdomain IMG-ALT NCAP Historic Environment Scotland on Facebook
https://twitter.com/histenvscotNew window External IMG-ALT NCAP Historic Environment Scotland on X
https://www.instagram.com/hist...New window External Subdomain IMG-ALT NCAP Historic Environment Scotland on Instagram
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT NCAP on LinkedIn

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.ncap.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.92 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 (84 kB).

HTTP Response Header

NameValue
dateSat, 24 Oct 2026 07:09:45 GMT
content-typetext/html; charset=UTF-8
cache-controlno-store, no-cache
content-encodinggzip
content-security-policydefault-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com https://ssl.google-analytics.com https://tagmanager.google.com https://www.youtube.com https://cdn-eu.clickdimensions.com; script-src-elem 'self' 'unsafe-inline' https://www.googletagmanager.com https://www.google-analytics.com https://tagmanager.google.com https://www.youtube.com https://player.vimeo.com https://f.vimeocdn.com https://cdn-eu.clickdimensions.com; style-src 'self' 'unsafe-inline' https://tagmanager.google.com https://fonts.googleapis.com https://f.vimeocdn.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: blob: https://*.cloudfront.net https://www.google-analytics.com https://www.googletagmanager.com https://www.google.com https://www.google.co.uk https://ssl.gstatic.com https://www.gstatic.com https://i.ytimg.com https://*.ytimg.com https://*.vimeocdn.com https://*.vimeo.com https://aerial-photography.transforms.svdcdn.com https://aerial-photography.files.svdcdn.com; frame-src 'self' https://www.youtube.com https://www.youtube-nocookie.com https://player.vimeo.com; connect-src 'self' data: blob: https://www.google-analytics.com https://analytics.google.com https://*.analytics.google.com https://stats.g.doubleclick.net https://region1.google-analytics.com https://*.google-analytics.com https://www.youtube.com https://player.vimeo.com https://vimeo.com https://*.vimeocdn.com https://aerial-photography.transforms.svdcdn.com https://aerial-photography.files.svdcdn.com https://*.clickdimensions.com; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self'; upgrade-insecure-requests
link<https://www.ncap.org/>; rel='canonical'
permissions-policycamera=(), microphone=(), geolocation=(), interest-cohort=()
referrer-policystrict-origin-when-cross-origin
strict-transport-securitymax-age=2592000
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-robots-tagall
x-xss-protection1; mode=block
cf-cache-statusDYNAMIC
varyaccept-encoding
servercloudflare
cf-raya4f72863fb645613-CDG
alt-svch3=":443"; ma=86400
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 322 referring domains.
This page has 62,112 backlinks.
This page has backlinks from 288 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt for https://www.ncap.org/

sitemap: https://www.ncap.org/sitemaps-1-sitemap.xml

    # live - don't allow web crawlers to index cpresources/ or vendor/

    User-agent: *
    Disallow: /cpresources/
    Disallow: /vendor/
    Disallow: /.env
    Disallow: /cache/


# Disallow ChatGPT bot, as there's no benefit to allowing it to index your site
User-agent: GPTBot
Disallow: /

# Disallow Google Bard and Vertex AI bots, as there's no benefit to allowing it to index your site
User-agent: Google-Extended
Disallow: /

# Disallow Perplexity bot, as there's no benefit to allowing it to index your site
User-agent: PerplexityBot
Disallow: /

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Search preview

www.ncap.org
NCAP - National Collection of Aerial Photography | NCAP
NCAP The National Collection of Aerial Photography is one of the largest collections of aerial imagery in the world, containing tens of millions of images.

Most important keywords

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

KeywordResultRecheck
Aerial81%Check
Collection81%Check
NCAP81%Check
Aerial Photography81%Check
NCAP Collection81%Check
National Collection80%Check
National75%Check
NCAP image70%Check
aerial images68%Check
aerial imagery65%Check
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