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Rijksinstituut voor Volksgezondheid en Milieu | RIVM
https://www.rivm.nl/
2 high issues
6.1%
3 medium issues
9.1%
1 low issue
3.0%
27 tests passed
81.8%
0.69 seconds
11.23 kB
84 resources
Secure
Seo
Title
The title tag is perfect.
Rijksinstituut voor Volksgezondheid en Milieu | RIVM
Meta description
The meta description tag is missing or empty.
Headings
The headings are properly set.
  1. Rijksinstituut voor Volksgezondheid en Milieu
  1. Actueel
  2. Herhaalprik corona
  3. Nieuws
  4. Uitgelichte onderwerpen
  5. Publicaties
  6. Deel deze pagina
  7. Service
  8. Over deze site
  9. Talen
  1. Verkeerde emissiefactoren gebruikt voor deel top 100-lijst ammoniakuitstoters
  2. Klimaat- en Energieverkenning 2022 verschenen
  3. Meer nieuws
Content keywords
The content has relevant keywords.
rijksinstituutvoorvolksgezondheidenmilieurivm
Image keywords
There are 6 images with missing alt attributes.
  1. https://www.rivm.nl/sites/default/files/styles/background/public/2018-11/003%201%20GCN%201.jpg?h=4f6e2068&itok=Xw6j3iAx
  2. https://www.rivm.nl/sites/default/files/styles/content_full/public/2021-09/nieuwsbericht%20ER.jpeg?h=ccde1feb&itok=9A-VOrI3
  3. https://www.rivm.nl/sites/default/files/styles/linkblock/public/2019-10/chemours_uitsnede_3.jpg?itok=-E9eBK4O
  4. https://www.rivm.nl/sites/default/files/styles/linkblock/public/2020-09/SK%20Vaccinatie%2062.jpg?h=139c8a14&itok=ScPF26aa
  5. https://www.rivm.nl/sites/default/files/styles/linkblock/public/2021-02/HR-10012020%20RIVM%20vaccinatie083%20coverfoto.jpg?h=a2ab096f&itok=kG5X717O
  6. https://www.rivm.nl/sites/default/files/styles/linkblock/public/2018-11/griep367.jpg?itok=xLLGAwBV
SEO friendly URL
The URL is SEO friendly.
https://www.rivm.nl/
404 page
The website has 404 error pages.
https://www.rivm.nl/404-7b446e18e96d1f50838efc97a4090cd1
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
  1. Nederlands
  2. English
  3. Home
  4. Onderwerpen
  5. Over RIVM
  6. Publicaties
  7. Internationaal
  8. Contact
  9. Nederlands
  10. English
  11. Coronavirus en COVID-19
  12. Herhaalprik tegen corona
  13. Griepprik
  14. Stikstof
  15. Nieuws
  16. Verkeerde emissiefactoren gebruikt voor deel top 100-lijst ammoniakuitstoters
  17. Klimaat- en Energieverkenning 2022 verschenen
  18. Blauwe reiger besmet met westnijlvirus
  19. Miljoenenimpuls voor groene bedrijventerreinen
  20. Aantal besmettingen apenpokken constant laag, vaccinatiecampagne stopt
  21. Veranderingen in de leefomgeving: aandacht voor infectieziekten is urgent
  22. PFAS in drinkwater uit rivierwater moet omlaag
  23. Waarschuwingsniveau ebola omhoog
  24. Meer nieuws
  25. Nieuws
  26. PFAS
  27. Stikstof
  28. Pneumokokkenprik ouderen najaar 2020
  29. Bevolkingsonderzoeken en screeningen
  30. 22 weken prik
  31. Griep en griepprik
  32. De gevolgen van de coronapandemie voor de gezondheid en het welzijn: deel 2. Een literatuurstudie
  33. Contra-expertise op bepalingen van radioactiviteit in afvalwater en ventilatielucht van Urenco Nederland B.V. Periode 2020-2021
  34. Gammastralingsniveaumetingen aan de terreingrens van COVRA N.V. te Borsele in 2021 met het MONET-meetnet
  35. Monitor stikstofdepositie in Natura 2000-gebieden 2022. Uitgangssituatie voor de Wet Stikstofreductie en Natuurverbetering
  36. Contra-expertise op bepalingen van radioactiviteit in afvalwater en ventilatielucht van COVRA N.V.
  37. Contra-expertise op bepalingen van radioactiviteit in afvalwater en ventilatielucht van de kernenergiecentrale Borssele.
  38. Veranderingen in de inrichting van de leefomgeving maken aandacht voor infectieziekten urgent
  39. PFAS in Nederlands drinkwater vergeleken met de nieuwe Europese Drinkwaterrichtlijn en relatie met gezondheidskundige grenswaarde van EFSA
  40. De 27e EURL-Salmonella workshop 23 en 24 mei 2022, Online
  41. Meer rapporten en wetenschappelijke artikelen
  42. WhatsApp
  43. Contact
  44. Werken bij het RIVM
  45. Pers informatie
  46. Abonneren nieuwsbrieven
  47. RSS feed
  48. Cookies
  49. Privacy
  50. Toegankelijkheid
  51. Woo-verzoeken bij het RIVM
  52. Copyright
  53. Archief
  54. English
  55. Nederlands
Language
The webpage has the language declared.
nl
Favicon
The webpage has a favicon.
https://www.rivm.nl/themes/custom/sdv_theme/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.69 seconds.
Page size
The size of the HTML webpage is 11,234.00.
HTTP requests
The webpage makes more than 50.00 HTTP requests.
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  36. https://www.rivm.nl/themes/custom/sdv_theme/dist/js/jquery.matchHeight-min.js?riyije
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Image format
There are 9 images that are not using the AVIF, WebP format.
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JavaScript defer
The are 48 javascript resources without the defer attribute.
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DOM size
The DOM size is optimal.
The HTML file has 432 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.rivm.nl/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
    Meta viewport
    The webpage has a meta viewport tag set.
    width=device-width, initial-scale=1.0
    Character set
    The webpage has a charset value set.
    utf-8
    Sitemap
    The website has sitemaps.
    1. https://www.rivm.nl/sitemap.xml
    Social
    The webpage has 7 social links.
    Content length
    The webpage has 597 words.
    Text to HTML ratio
    The text to HTML ratio is 13%.
    Inline CSS
    The webpage does not contain inline CSS code.
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.