Bl.uk - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
98% 
Page structure
97% 
Link structure
100% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.08 s
File size
51.80 kB
Words
537
Media files
10
Number of links
34 internal / 17 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The British Library: The National Library of the UK - The British Library
The page title should be shorter than 580 pixels. It is 628 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get FREE access to over 170 million items. Join us.
There are more than one meta descriptions on the page. Only one is allowed.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.bl.uk/
There is a valid canonical link 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 character encoding is not specified in the HTTP header.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
robotsindex,follow
descriptionWe are the national library of the UK
viewportwidth=device-width, initial-scale=1
keywordsEmpty
og:titleThe British Library: The National Library of the UK
og:descriptionVisit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get FREE access to over 170 million items. Join us.
og:image/more/more-meta-min.jpg
next-head-count25
application-nameBritish Library
apple-mobile-web-app-capableyes
apple-mobile-web-app-status-bar-styledefault
apple-mobile-web-app-titleBritish Library
format-detectiontelephone=no
mobile-web-app-capableyes
msapplication-config/icons/browserconfig.xml
msapplication-TileColor#d62724
msapplication-tap-highlightno
theme-color#d62724
langen
twitter:titleThe British Library: The National Library of the UK
twitter:descriptionVisit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get FREE access to over 170 million items. Join us.
twitter:image/home/home-meta-min.jpg
og:titleThe British Library: The National Library of the UK - The British Library
og:descriptionVisit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get FREE access to over 170 million items. Join us.
og:urlhttps://www.bl.uk//
og:typewebsite
og:image/home/home-meta-min.jpg
og:image:altThe British Library: The National Library of the UK
og:image:width1200
og:image:height630
og:site_nameThe British Library
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 537 words. That's ok.
35.6% 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.
13 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 16.95 words is good.
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)
Some tags are too long. With 374 characters this one is longer than 70 characters:
"we're continuing to experience a major technology outage as a result of a cyber-attack. our buildings ..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
https://www.bl.uk/home/banner.jpgA silhouette of a man's head in front of a manuscript at the British Library
/research/reading-rooms.jpgResearchers in a reading room at the British Library (copyright Mike O'Dwyer)
https://www.bl.uk/home/use-the-library.jpgA man studies a book at the British Library
/home/visit-our-buildings.jpgThe outside of the British Library building in St Pancras, London
https://www.bl.uk/home/attend-an-event.jpgA laughing crowd at a British Library event
/home/find-schools-information.jpgThree young children play at a British Library event
/home/get-business-support.jpgA man and a women hold a discussion at a BIPC event
...sforming-the-library-st-pancras-news.jpgThe foyer in the British Library extension at St Pancras (looking south-west)
/news/stpancras-researchers.jpgResearchers in Reading Room
...bspace_Learning_harley_ms_3828_f027v.jpgA female teacher holding a wooden paddle and instructing a group of young girls, reading from open books.

Page structure

H1 heading
(Critically important)
British Library
The H1 heading is too short (15 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 British Library
H2 We are the national library of the UK. Our shelves hold over 170 million items - a living collection that gets bigger every day.
H2 I want to...
H2 Support our work
H2 News
H2 Contact us
H3 Consult the collection
H3 Use the Library
H3 Visit our buildings
H3 Attend an event
H3 Find schools information
H3 Get business support
H3 Moving ahead with our transformation plans at St Pancras
H3 Catalogue maintenance - Sunday 23 March
H3 Explore items from Medieval Women online
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 17 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.bl.uk/No Text
https://www.bl.uk/researchResearch
https://www.bl.uk/bipcBusiness
https://events.bl.uk/New window External Subdomain What's on
https://www.bl.uk/learningLearning
https://www.bl.uk/visitVisit
https://support.bl.uk/New window External Subdomain Support us
https://shop.bl.uk/External Subdomain Shop
https://www.bl.uk/cyber-incident/cyber-attack
https://bll01.primo.exlibrisgr...New window External Subdomain Search the catalogue
https://www.bl.uk/researchWhat you can do
https://www.bl.uk/visitVisiting us
https://www.bl.uk/whats-onAttend an event
https://www.bl.uk/learningEvents and workshops
https://www.bl.uk/bipcHow we can help
https://support.bl.uk/DonateNew window External Subdomain Donate now
https://www.bl.uk/newsNews
/about-us/projects/transformin...Find out more
https://blogs.bl.uk/digitisedm...External Subdomain Text duplicate Find out more
https://www.bl.uk/newsAll news
https://bl.libanswers.com/chat...External Subdomain online chat
https://www.bl.uk/about-usAbout us
https://www.bl.uk/visitOpening times
https://www.bl.uk/cyber-incidentCyber-attack
https://www.bl.uk/newsNews and blogs
https://www.bl.uk/pressPress and media
https://www.bl.uk/careersJobs
/research/reader-passFree reader pass
/research/reading-roomsFree study spaces
/whats-on/membershipMembership
https://support.bl.uk/New window External Subdomain Support our work
https://www.bl.uk/moreOur services
/more/commercial-venue-hireVenue hire
/more/digitisationDigitisation
https://imagesonline.bl.uk/New window External Subdomain Collection images
/more/collection-metadata-serv...Metadata services
https://www.bl.uk/plrPublic Lending Right
/more/legal-depositLegal deposit
/more/research-collaborationResearch collaboration
https://www.bl.uk/privacyPrivacy policy
https://www.bl.uk/termsTerms and conditions
https://www.bl.uk/foiFreedom of information
https://www.bl.uk/contact-usContact us
https://creativecommons.org/li...New window External CC-BY
https://twitter.com/britishlib...New window Nofollow External A-TITLE Twitter
https://www.facebook.com/briti...New window Nofollow External Subdomain A-TITLE Facebook
https://www.instagram.com/brit...New window Nofollow External Subdomain A-TITLE Instagram
https://www.tiktok.com/@britis...New window Nofollow External Subdomain A-TITLE TikTok
https://www.linkedin.com/compa...New window Nofollow External Subdomain A-TITLE LinkedIn
https://www.youtube.com/britis...New window Nofollow External Subdomain A-TITLE YouTube
https://www.threads.net/@briti...New window Nofollow External Subdomain A-TITLE Threads

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.bl.uk/"
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 is excellent with 0.08 seconds.
The file size of the HTML document is fine (52 kB).

HTTP Response Header

NameValue
dateFri, 28 Mar 2025 20:13:56 GMT
content-typetext/html
varyAccept-Encoding
cache-controlpublic, must-revalidate, max-age=15, proxy-revalidate, s-maxage=30
etagW/"79101259"
last-modifiedFri, 28 Mar 2025 07:57:00 GMT
strict-transport-securitymax-age=63072000; includeSubDomains; preload
referrer-policystrict-origin-when-cross-origin
x-content-type-optionsnosniff
x-xss-protection1; mode=block
x-dns-prefetch-controloff
x-frame-optionsSAMEORIGIN
content-security-policydefault-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://developers.google.com/tag-platform/security/guides/csp https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://www.googletagmanager.com https://*.googletagmanager.com https://connect.facebook.net https://www.facebook.com https://apikeys.civiccomputing.com https://cc.cdn.civiccomputing.com https://www.google-analytics.com https://www.gstatic.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; child-src 'self'; frame-src 'self' https://*.fls.doubleclick.net https://td.doubleclick.net https://bid.g.doubleclick.net https://www.facebook.com https://player.vimeo.com; connect-src 'self' https://clapi.civiccomputing.com https://googleads.g.doubleclick.net https://www.google.com/pagead/landing https://www.facebook.com https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://apikeys.civiccomputing.com https://cc.cdn.civiccomputing.com https://connect.facebook.net https://www.googletagmanager.com https://region1.google-analytics.com https://pagead2.googlesyndication.com; img-src 'self' https://www.facebook.com https://*.fls.doubleclick.net https://ad.doubleclick.net https://ade.googlesyndication.com https://www.google.com https://googleads.g.doubleclick.net https://*.google-analytics.com https://*.googletagmanager.com https://ssl.gstatic.com https://i.vimeocdn.com data:; font-src 'self' https://fonts.gstatic.com data:; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'self';
permissions-policycamera=(), microphone=(), geolocation=()
x-azure-ref20250328T201356Z-15564b9b8dc2nf6mhC1FRAb08s00000002p0000000008bqa
x-fd-int-roxy-purgeid60242664
x-cacheTCP_REVALIDATED_HIT
content-encodingbr
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 6,076 referring domains.
This page has 654,558 backlinks.
This page has backlinks from 2,971 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-Agent: *
Disallow:

Sitemap: https://www.bl.uk/sitemap.xml

Similar sites

Search preview

www.bl.uk
The British Library: The National Library of the UK - The British L...
Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get FREE access to over 170 million items. Join us.

Most important keywords

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

KeywordResultRecheck
Library84%Check
British Library76%Check
national library75%Check
British63%Check
national62%Check
buildings56%Check
get56%Check
items54%Check
event54%Check
million items54%Check
Show more keywords and terms

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