Theleidencollection.com - SEO Checker

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Overview of the SEO Check
Meta information
86% 
Page quality
61% 
Page structure
66% 
Link structure
50% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.12 s
File size
108.70 kB
Words
618
Media files
21
Number of links
119 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Leiden Collection - Collection of Seventeenth-Century Dutch Art
The page title should be shorter than 580 pixels. It is 610 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The Leiden Collection is among the largest and most important collections of seventeenth-century Dutch and Flemish art in private hands.
The length of the meta description is perfect. (846 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.theleidencollection.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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 name is very long.
The domain is no subdomain.
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionThe Leiden Collection is among the largest and most important collections of seventeenth-century Dutch and Flemish art in private hands.
msapplication-TileImagehttps://www.theleidencollection.com/wp-content/uploads/2018/05/cropped-tlc-favicon3-270x270.png
generatorWP Rocket 3.18.3
article:modified_time2025-04-11T10:23:27+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleThe Leiden Collection - Collection of Seventeenth-Century Dutch Art
og:descriptionThe Leiden Collection is among the largest and most important collections of seventeenth-century Dutch and Flemish art in private hands.
og:urlhttps://www.theleidencollection.com/
og:site_nameThe Leiden Collection
og:imagehttps://www.theleidencollection.com/wp-content/uploads/2018/05/tlc-favicon.png
og:image:width128
og:image:height128
og:image:typeimage/png
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
Only 2 paragraph/s was/were found on this page.
This page contains 618 words. That's ok.
25.7% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 19.13 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)
Empty bold or strong tags were found on this page.
The amount of tags is very high (28). We recommend using a maximum of 12 tags for this page.
The following tag is repeated too often: rembrandt van rijn
Image SEO
(Somewhat important)
17 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)
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
...n/dist/images/logos/leiden-logo-full.pngThe Leiden Collection
...n/dist/images/logos/leiden-logo-full.pngThe Leiden Collection
..._Low-Res-embed-color-profile-360x420.pngNo alt attribute provided
...-a-Lute-The-Sense-of-Hearing-860x630.jpgNo alt attribute provided
...g-Woman-Seated-at-a-Virginal-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/GM-103-860x630.jpgNo alt attribute provided
...ploads/2021/11/RR-126_Banner-360x420.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-360x420.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-360x420.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...ntent/uploads/2017/06/AG-104-860x630.jpgNo alt attribute provided
...nt/uploads/2020/09/instagram-100x100.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
From Rembrandt to Vermeer: Masterpieces from The Leiden Collection
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 From Rembrandt to Vermeer: Masterpieces from The Leiden Collection
H1 Johannes Vermeer, Young Woman Seated at a Virginal
H1 Adriaen Hanneman, Portrait of François Langlois Holding a Flute, 1636
H2 Explore the Collection Catalogue
H2 H'ART Museum
H2 How a Billionaire New Yorker Mastered the Art of Buying Rembrandts
H2 Eighteen Rembrandts on display together for the first time in Amsterdam
H2 The Leiden Collection on Loan to H'ART Museum
H2 Hollandse topkunst komt samen in Amsterdam
H3 H'ART Museum Duplicate text
H3 Join our mailing list
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 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
/Anchor Skip to main content
/Subdomain IMG-ALT The Leiden Collection
/Subdomain Home
/about/Subdomain About the Collection
/about/about-the-collector/Subdomain About the Collectors
/staff/Subdomain Professional Staff
/contact/Subdomain Contact
/about/notices/Subdomain Notices
/collection/introduction-to-th...Subdomain Collection Catalogue
/collection/Subdomain Artworks
/artists/Subdomain Artists
/essays/Subdomain Essays
/videos/Subdomain Videos
/bibliography/Subdomain Bibliography
/glossary/Subdomain Glossary
/iconclass/Subdomain Iconclass
/collection/acknowledgements/Subdomain Acknowledgements
/authors/Subdomain Authors
/archive/Subdomain Archive
/collection/?show=on-view-nowPaintings on View
/us-exhibitions/Subdomain U.S. Exhibitions
/exhibitions/Subdomain International Exhibitions
/exhibition/hart-museum/Subdomain H’ART Museum
/exhibition/hermitage-amsterdam/Subdomain Hermitage Amsterdam
/exhibition/louvre-abu-dhabi/Subdomain Louvre Abu Dhabi
/exhibition/the-state-hermitag...Subdomain The State Hermitage Museum
/exhibition/the-pushkin-state-...Subdomain The Pushkin State Museum of Fine Arts
/exhibition/long-museum-west-b...Subdomain Long Museum, West Bund
/exhibition/national-museum-of...Subdomain National Museum of China
/exhibition/louvre/Subdomain Louvre
/news-media/All News & Media
/news-media/exhibition/vermeer/Subdomain Vermeer
/news-media/exhibition/norton-...Subdomain Norton Museum of Art
/news-media/exhibition/hart-am...Subdomain Text duplicate H’ART Museum
/news-media/exhibition/hermita...Subdomain Text duplicate Hermitage Amsterdam
/news-media/exhibition/louvre-...Subdomain Text duplicate Louvre Abu Dhabi
/news-media/exhibition/the-sta...Subdomain Text duplicate The State Hermitage Museum
/news-media/exhibition/the-pus...Subdomain Text duplicate The Pushkin State Museum of Fine Arts
/news-media/exhibition/long-mu...Subdomain Text duplicate Long Museum, West Bund
/news-media/exhibition/nationa...Subdomain Text duplicate National Museum of China
/news-media/exhibition/louvre/Subdomain Text duplicate Louvre
/Subdomain Text duplicate IMG-ALT The Leiden Collection
/Subdomain Text duplicate Home
/about/Subdomain Text duplicate About the Collection
/about/about-the-collector/Subdomain Text duplicate About the Collectors
/staff/Subdomain Text duplicate Professional Staff
/contact/Subdomain Text duplicate Contact
/about/notices/Subdomain Text duplicate Notices
/collection/introduction-to-th...Subdomain Text duplicate Collection Catalogue
/collection/Subdomain Text duplicate Artworks
/artists/Subdomain Text duplicate Artists
/essays/Subdomain Text duplicate Essays
/videos/Subdomain Text duplicate Videos
/bibliography/Subdomain Text duplicate Bibliography
/glossary/Subdomain Text duplicate Glossary
/iconclass/Subdomain Text duplicate Iconclass
/collection/acknowledgements/Subdomain Text duplicate Acknowledgements
/authors/Subdomain Text duplicate Authors
/archive/Subdomain Text duplicate Archive
/collection/?show=on-view-nowText duplicate Paintings on View
/us-exhibitions/Subdomain Text duplicate U.S. Exhibitions
/exhibitions/Subdomain Text duplicate International Exhibitions
/exhibition/hart-museum/Subdomain Text duplicate H’ART Museum
/exhibition/hermitage-amsterdam/Subdomain Text duplicate Hermitage Amsterdam
/exhibition/louvre-abu-dhabi/Subdomain Text duplicate Louvre Abu Dhabi
/exhibition/the-state-hermitag...Subdomain Text duplicate The State Hermitage Museum
/exhibition/the-pushkin-state-...Subdomain Text duplicate The Pushkin State Museum of Fine Arts
/exhibition/long-museum-west-b...Subdomain Text duplicate Long Museum, West Bund
/exhibition/national-museum-of...Subdomain Text duplicate National Museum of China
/exhibition/louvre/Subdomain Text duplicate Louvre
/news-media/Text duplicate All News & Media
/news-media/exhibition/vermeer/Subdomain Text duplicate Vermeer
/news-media/exhibition/norton-...Subdomain Text duplicate Norton Museum of Art
/news-media/exhibition/hart-am...Subdomain Text duplicate H’ART Museum
/news-media/exhibition/hermita...Subdomain Text duplicate Hermitage Amsterdam
/news-media/exhibition/louvre-...Subdomain Text duplicate Louvre Abu Dhabi
/news-media/exhibition/the-sta...Subdomain Text duplicate The State Hermitage Museum
/news-media/exhibition/the-pus...Subdomain Text duplicate The Pushkin State Museum of Fine Arts
/news-media/exhibition/long-mu...Subdomain Text duplicate Long Museum, West Bund
/news-media/exhibition/nationa...Subdomain Text duplicate National Museum of China
/news-media/exhibition/louvre/Subdomain Text duplicate Louvre
/exhibition/hart-museum/Subdomain CURRENT EXHIBITION From Rembrandt to Vermeer: Masterpieces from The Leiden Collection H'ART Museum, April 9 – August 24, 2025
/Anchor Next
/artwork/young-woman-seated-at...Subdomain REVISED ENTRY Johannes Vermeer, Young Woman Seated at a Virginal By Arthur K. Wheelock Jr.
/Anchor Text duplicate Next
/artwork/portrait-of-francois-...Subdomain NEW ENTRY Adriaen Hanneman, Portrait of François Langlois Holding a Flute, 1636 By Elizabeth Nogrady
/Anchor Text duplicate Next
/collection/Subdomain Explore the Collection Catalogue
/Anchor Text duplicate Artworks
/Anchor Text duplicate Artists
/Anchor Text duplicate Essays
/artwork/self-portrait-in-fanc...Subdomain Frans van Mieris “Self-Portrait” in Fanciful Dress
/artwork/self-portrait-with-a-...Subdomain Jan Steen Self-Portrait with a Lute: Sense of Hearing
/artwork/young-woman-seated-at...Subdomain Johannes Vermeer Young Woman Seated at a Virginal
/artwork/a-young-woman-seated-...Subdomain Gabriel Metsu Young Woman Seated in an Interior, Reading a Letter
/artwork/portrait-of-a-young-w...Subdomain Rembrandt van Rijn Portrait of a Young Woman (“The Middendorf Rembrandt”)
/artwork/an-old-testament-figu...Subdomain Arent de Gelder Old Testament Figure, Probably King Solomon
/collection/Subdomain View all Artworks
/artists/willem-de-poorter/Subdomain Willem de Poorter
/artists/jacobus-vrel/Subdomain Jacobus Vrel
/artists/lambert-jacobsz/Subdomain Lambert Jacobsz
/artists/rembrandt-van-rijn/Subdomain Rembrandt van Rijn
/artists/jacob-van-toorenvliet/Subdomain Jacob Toorenvliet
/artists/gerrit-dou/Subdomain Gerrit Dou
/artistsView All Artists
/essays/frans-van-mieris-the-e...Subdomain Frans van Mieris the Elder and His Four Leiden Patrons
/essays/jan-steens-histories/Subdomain Jan Steen's Histories
/essays/pieter-lastmans-david-...Subdomain Pieter Lastman's David and Uriah: Storytelling and the Passions
/essays/rembrandt-as-universal...Subdomain Rembrandt as Universal Artist
/essaysView All Essays
/exhibition/hart-museum/Subdomain H'ART Museum
/exhibition/hart-museum/Subdomain H'ART Museum April 9 – August 24, 2025
/news-media/how-a-billionaire-...Subdomain How a Billionaire New Yorker Mastered the Art of Buying Rembrandts The Times April 9, 2025 View Article
/news-media/eighteen-rembrandt...Subdomain Eighteen Rembrandts on display together for the first time in Amsterdam NOS News February 19, 2025 View Article
/news-media/the-leiden-collect...Subdomain The Leiden Collection on Loan to H'ART Museum Art History News March 10, 2025 View Article
/news-media/hollandse-topkunst...Subdomain Hollandse topkunst komt samen in Amsterdam Algemeen Dagblad April 4, 2025 View Article
/news-media/exhibition/hart-am...Subdomain View all News & Media
/Subdomain Text duplicate IMG-ALT The Leiden Collection
/privacy-policy/Subdomain Privacy Policy
https://www.instagram.com/thel...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.theleidencollection.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.12 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 (109 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 12 May 2025 12:39:48 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
x-powered-byWP Engine
link<https://www.theleidencollection.com/wp-json/>; rel="https://api.w.org/"
x-cacheablebot
cache-controlmax-age=10800, must-revalidate
x-cacheHIT: 31
x-cache-groupbot
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 76 referring domains.
This page has 163 backlinks.
This page has backlinks from 73 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

Crawl-delay: 10
# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://www.theleidencollection.com/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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www.theleidencollection.com
The Leiden Collection - Collection of Seventeenth-Century Dutch Art
The Leiden Collection is among the largest and most important collections of seventeenth-century Dutch and Flemish art in private hands.

Most important keywords

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

KeywordResultRecheck
Leiden97%Check
Leiden Collection95%Check
Collection93%Check
ART67%Check
Collection Catalogue67%Check
Dutch art62%Check
Rembrandt61%Check
Vermeer61%Check
seventeenth-century Dutch art60%Check
seventeenth-century Dutch58%Check
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