www.niehs.nih.gov
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Data di aggiornamento dell'analisi della pagina:
2026/02/25 21:39:40
Data dell'ultimo aggiornamento whois:
2026/07/17 09:41:48
Stato del dominio
Registrato
Pagato fino
22.08.2027
Disponibile da
21.09.2027
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www.niehs.nih.gov Schermata del sito web
Punteggio SEO
74.66%
109
Punteggio raggiunto
146
Punteggio massimo
Informazioni principali
Titolo: NIEHS Home page | National Institute of Environmental Health Sciences
Descrizione: National Institute of Environmental Health Sciences | The mission of NIEHS is to research how the environment affects biological systems across the lifespan and to translate this knowledge to reduce disease and promote human health.
Parole chiave: sconosciuto
Codifica della pagina:
utf-8
Dimensione file di pagina: 800 KB
Informazioni sul server
IP: 104.18.14.200
Posizione: ,,,,,,
Server HTTP: cloudflare
Codifica: utf-8
Elenco dei meta tag
- charset: utf-8
- name: description content: National Institute of Environmental Health Sciences | The mission of NIEHS is to research how the environment affects biological systems across the lifespan and to translate this knowledge to reduce disease and promote human health.
- property: og:site_name content: National Institute of Environmental Health Sciences
- property: og:type content: website
- property: og:url content: https://www.niehs.nih.gov/node/60089
- property: og:title content: NIEHS Home page
- property: og:description content: National Institute of Environmental Health Sciences | The mission of NIEHS is to research how the environment affects biological systems across the lifespan and to translate this knowledge to reduce disease and promote human health.
- name: twitter:card content: summary_large_image
- name: twitter:title content: NIEHS Home page
- name: twitter:description content: National Institute of Environmental Health Sciences | The mission of NIEHS is to research how the environment affects biological systems across the lifespan and to translate this knowledge to reduce disease and promote human health.
- name: twitter:site content: @NIEHS
- name: twitter:creator content: @NIEHS
- name: google-site-verification content: dr2u0MtH4KYEo1w6QJcYufbRXNB2bv32B3RriNRD32Q
- name: Generator content: Drupal 10 (https://www.drupal.org)
- name: MobileOptimized content: width
- name: HandheldFriendly content: true
- name: viewport content: width=device-width, initial-scale=1.0
- property: contentId content: 60089
- name: lastModDate content: 2026-01-27 12:00:00
- property: og:image content: http://www.niehs.nih.gov/themes/custom/niehs_cms/web-resources/images/niehs_default_image_facebook_twitter.jpg
- name: twitter:image content: http://www.niehs.nih.gov/themes/custom/niehs_cms/web-resources/images/niehs_default_image_facebook_twitter.jpg
- name: twitter:alt content: NIEHS
Collegamenti interni
Collegamenti esterni
Informazioni Whois
domain_name: nih.gov
update_date: 2026-07-13T16:28:17.842Z
update_time: 1783960097
creation_date: 1997-10-02T01:29:27.000Z
creation_time: 875755767
expiration_date: 2027-08-22T14:22:33.434Z
Dati grezzi Whois
Domain Name: NIH.GOV
Registrar: get.gov
Domain Status: server transfer prohibited
Creation Date: 1997-10-02T01:29:27.000Z
Registry Expiry Date: 2027-08-22T14:22:33.434Z
Updated Date: 2026-07-13T16:28:17.842Z
Name Server: NS.NIH.GOV
Name Server: NS2.NIH.GOV
Name Server: NS3.NIH.GOV
REGISTRAR Contact: get.gov
ADMINISTRATIVE Contact: REDACTED FOR PRIVACY
SECURITY Contact: REDACTED FOR PRIVACY
TECHNICAL Contact: REDACTED FOR PRIVACY
>>> Last update of RDAP database: 2026-07-17T09:41:48Z
Robots.txt
# # robots.txt # # This file is to prevent the crawling and indexing of certain parts # of your site by web crawlers and spiders run by sites like Yahoo! # and Google. By telling these "robots" where not to go on your site, # you save bandwidth and server resources. # # This file will be ignored unless it is at the root of your host: # Used: http://example.com/robots.txt # Ignored: http://example.com/site/robots.txt # # For more information about the robots.txt standard, see: # http://www.robotstxt.org/robotstxt.html User-agent: * # CSS, JS, Images Allow: /core/*.css$ Allow: /core/*.css? Allow: /core/*.js$ Allow: /core/*.js? Allow: /core/*.gif Allow: /core/*.jpg Allow: /core/*.jpeg Allow: /core/*.png Allow: /core/*.svg Allow: /profiles/*.css$ Allow: /profiles/*.css? Allow: /profiles/*.js$ Allow: /profiles/*.js? Allow: /profiles/*.gif Allow: /profiles/*.jpg Allow: /profiles/*.jpeg Allow: /profiles/*.png Allow: /profiles/*.svg # Directories Disallow: /core/ Disallow: /profiles/ # Files Disallow: /README.txt Disallow: /web.config # Paths (clean URLs) Disallow: /admin/ Disallow: /comment/reply/ Disallow: /filter/tips Disallow: /node/add/ Disallow: /search/ Disallow: /user/register/ Disallow: /user/password/ Disallow: /user/login/ Disallow: /user/logout/ # Paths (no clean URLs) Disallow: /index.php/admin/ Disallow: /index.php/comment/reply/ Disallow: /index.php/filter/tips Disallow: /index.php/node/add/ Disallow: /index.php/search/ Disallow: /index.php/user/password/ Disallow: /index.php/user/register/ Disallow: /index.php/user/login/ Disallow: /index.php/user/logout/ Sitemap: https://www.niehs.nih.gov/research/supported/centers/srp/science_digest/sitemap.xml Sitemap: https://www.niehs.nih.gov/research/programs/geh/geh_newsletter/sitemap.xml Sitemap: https://www.niehs.nih.gov/news/factor/sitemaps/default/sitemap.xml Sitemap: https://www.niehs.nih.gov/health/kids/sitemap.xml Sitemap: https://www.niehs.nih.gov/sitemap.xml
Controllo SEO
SEO tecnica
✓
Codice di risposta
200
Stato 200 OK: la pagina viene caricata correttamente.
✓
Codifica dei caratteri
Page: utf-8, Header: utf-8
Codifica dei caratteri coerente tra HTML e intestazioni.
✓
Dimensioni della pagina
819742 bytes
Dimensioni della pagina accettabili per il caricamento rapido.
!
Risorse
63 total
Troppe risorse. Ottimizza e combina file per prestazioni migliori.
✓
Tag hreflang
0 hreflang tags
Aggiungi tag hreflang se hai contenuti multilingue.
✓
Robots.txt
Exists
File robots.txt trovato.
✓
Sitemap
Declared in robots.txt
Mappa del sito dichiarata in robots.txt.
✓
HTTPS
Yes
Connessione HTTPS sicura abilitata.
✓
Compressione
gzip
Compressione Gzip o Zstd abilitata per un caricamento più veloce.
✓
Memorizzazione nella cache
max-age=2764800, public
Intestazioni di controllo della cache impostate correttamente.
✓
Velocità della pagina
2.47 ms
Ottima velocità di caricamento.
SEO sulla pagina
!
Titolo
NIEHS Home page | National Institute of Environmental Health Sciences
Titolo troppo lungo. Ridurre a 30-60 caratteri per evitare il troncamento.
!
Meta descrizione
National Institute of Environmental Health Sciences | The mission of NIEHS is to research how the environment affects biological systems across the lifespan and to translate this knowledge to reduce disease and promote human health. Lenght:232
Meta descrizione troppo lunga. Ridurre a 100-160 caratteri.
✓
Intestazione H1
1 found - "National Institute of Environmental Health Sciences"
Buono: è stata trovata una sola intestazione H1.
✓
Conteggio parole
699
Buona lunghezza del contenuto (si consigliano 500-2000 parole).
!
Etichetta canonica
Aggiungi il tag canonico per evitare problemi di contenuto duplicato.
✓
Meta duplicata
[]
Nessun meta tag duplicato trovato.
✓
Parole chiave
Le meta parole chiave sono facoltative (non utilizzate dai principali motori di ricerca).
Contenuti e UX
✓
Lingua
en
Attributo della lingua impostato correttamente.
✓
Immagini
41 total, 0 missing ALT
Tutte le immagini hanno il testo ALT corretto.
✓
Visualizzazione
width=device-width, initial-scale=1.0
Meta tag Viewport impostato correttamente per i dispositivi mobili.
✓
Apri grafico
All OG tags present.
Sono presenti tutti i tag OpenGraph essenziali.
!
Dati strutturati
0 JSON-LD scripts
Aggiungi dati strutturati (JSON-LD) per rich snippet e una migliore SEO.
Posizioni dentro Google
Cerca frasi - Google
| Posizione | Frase | Pagina | Frammento |
|---|---|---|---|
| 2 | /health/kids/games/r... | ||
| 3 | /health/topics/agent... | ||
| 3 | /health/topics/agent... | ||
| 3 | /health/kids/games/b... | ||
| 4 | /health/kids/games/r... |