Website review naturalis.nl
Naturalis Biodiversity Center | Museum en onderzoek in Leiden
Generated on March 05 2026 04:31 AM
Old data? UPDATE !
The score is 66/100
SEO Content
Title
Naturalis Biodiversity Center | Museum en onderzoek in Leiden
Length : 61
Perfect, your title contains between 10 and 70 characters.
Description
Naturalis Biodiversity Center: voor iedereen die meer wil ontdekken over de rijkdom van de natuur.
Length : 98
Great, your meta description contains between 70 and 160 characters.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| site_name | Naturalis |
| title | Naturalis Biodiversity Center |
| image | https://www.naturalis.nl/assets/logo.svg |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 16 | 5 | 1 | 0 | 0 |
- [H2] Naturalis
- [H2] Onderzoeknaar biodiversiteit
- [H2] Taal
- [H2] Topnavigatie
- [H2] Hoofdnavigatie
- [H2] Lerenbij Naturalis
- [H2] NaturalisBiodiversity Center
- [H2] Expertin biodiversiteit
- [H2] Volgonze verhalen
- [H2] Frederic Lens benoemd tot plantenprofessor
- [H2] Naturalis Nights: Suriname op 21 maart
- [H2] Nieuwe duurzame parkeergarage Naturalis is geopend
- [H2] Houd me op de hoogte!
- [H2] Voet hoofdnavigatie
- [H2] Volg onze verhalen
- [H2] Footer navigation
- [H3] Biodiversity Center
- [H3] Bezoek het museum
- [H3] Miljoenen objecten
- [H3] Onze topstukken online
- [H3] Nationaal onderzoeksinstituut
- [H4] Paginering
Images
We found 16 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 31%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 61 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Overslaan en naar de inhoud gaan | Internal | Passing Juice |
| Wetenschap | Internal | Passing Juice |
| Tickets | Internal | Passing Juice |
| Nederlands | Internal | Passing Juice |
| English | Internal | Passing Juice |
| Vacatures | Internal | Passing Juice |
| Doneren | Internal | Passing Juice |
| Nieuws | Internal | Passing Juice |
| Praktische info | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Lees meer | Internal | Passing Juice |
| Lees meer | Internal | Passing Juice |
| - | Internal | Passing Juice |
| Collectie | Internal | Passing Juice |
| Naturalis Topstukken | Internal | Passing Juice |
| Educatie | Internal | Passing Juice |
| Wetenschappers en onderzoeksgroepen | Internal | Passing Juice |
| External | Passing Juice | |
| External | Passing Juice | |
| TikTok | External | Passing Juice |
| YouTube | External | Passing Juice |
| External | Passing Juice | |
| Lees meer | Internal | Passing Juice |
| Lees meer | Internal | Passing Juice |
| Lees meer | Internal | Passing Juice |
| Museum | Internal | Passing Juice |
| Agenda | Internal | Passing Juice |
| Museumzalen | Internal | Passing Juice |
| Rexperience | Internal | Passing Juice |
| Naturalis museumapp | Internal | Passing Juice |
| Virtueel museum | Internal | Passing Juice |
| Museumwinkel | Internal | Passing Juice |
| Congressen en events | Internal | Passing Juice |
| Oude museum | External | Passing Juice |
| Onderzoekers en specialisten | Internal | Passing Juice |
| Samen werken aan wetenschap | Internal | Passing Juice |
| Infrastructuren, netwerken & publicaties | Internal | Passing Juice |
| Onderwijs voor studenten | Internal | Passing Juice |
| ICT-faciliteiten | Internal | Passing Juice |
| Laboratoria | Internal | Passing Juice |
| Collectiebeheerders en preparateurs | Internal | Passing Juice |
| Collectiediensten | Internal | Passing Juice |
| Deelcollecties | Internal | Passing Juice |
| Collectie online | Internal | Passing Juice |
| Collectie schenken | Internal | Passing Juice |
| Basisonderwijs | Internal | Passing Juice |
| Voortgezet onderwijs | Internal | Passing Juice |
| Overig onderwijs | Internal | Passing Juice |
| BSO's en kindergroepen | Internal | Passing Juice |
| Boekingsinformatie | Internal | Passing Juice |
| Steun Naturalis | Internal | Passing Juice |
| Samenwerken | Internal | Passing Juice |
| Media | Internal | Passing Juice |
| Strategische partnerships | Internal | Passing Juice |
| Ons gebouw | Internal | Passing Juice |
| Biodiversiteit | Internal | Passing Juice |
| External | Passing Juice | |
| Youtube | External | Passing Juice |
| External | Passing Juice | |
| Cookies | Internal | Passing Juice |
| Privacy | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
biodiversiteit museum meer voor het naturalis van onze bij collectie
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| naturalis | 24 |  |
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| van | 19 | |
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| het | 18 | |
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| meer | 13 | |
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| onze | 11 | |
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Usability
Url
Domain : naturalis.nl
Length : 12
Favicon
Very bad. We have not found shortcut icon. Icons are one of easy ways to attract regular visitors to your website more often.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is nl.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.naturalis.nl/sitemap.xml |
Robots.txt
https://naturalis.nl/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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