Evaluation du site usgs.gov
Généré le 31 Octobre 2021 17:40
Vieilles statistiques? UPDATE !
Le score est de 57/100
Optimisation du contenu
Titre
USGS.gov | Science for a changing world
Longueur : 39
Parfait, votre titre contient entre 10 et 70 caractères.
Description
We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant, and useful information about the Earth and its processes.
Longueur : 375
Idéalement, votre balise META description devrait contenir entre 70 et 160 caractères (espaces compris). Utilisez cet outil gratuit pour calculer la longueur du texte.
Mots-clefs
Très mauvais. Nous n'avons pas trouvé de balise META keywords sur votre page. Utilisez ce générateur gratuit de balises META en ligne pour créer des mots-clés.
Propriétés Open Graph
Cette page ne profite pas des balises META Open Graph. Cette balise permet de représenter de manière riche n'importe quelle page dans le graph social (environnement social). Utilisez ce générateur gratuit de balises META Open Graph pour les créer.
Niveaux de titre
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 28 | 19 | 0 | 0 | 0 |
- [H1] U.S. Geological Survey
- [H2] Spooky Science
- [H2] Trick or Treat? The Frightening Threats to Bats
- [H2] ShakeOut 2021: Earthquake Awareness Enables Community Preparedness
- [H2] Northern Spotted Owl Still Fights for Survival
- [H2] New Eruption at Kīlauea Summit
- [H2] Real-time Data
- [H2] Real-time Data
- [H2] Real-Time Data
- [H2] Earthquake Data Block
- [H2] Water
- [H2] Remote Sensing and Landsat
- [H2] Volcanoes
- [H2] Landslides
- [H2] Our Science
- [H2] Our Science
- [H2] Our Science
- [H2] Science Explorer
- [H2] Mission Areas
- [H2] Science Centers
- [H2] Regions
- [H2] Products
- [H2] Products
- [H2] Products
- [H2] Data and Tools
- [H2] Maps
- [H2] Software
- [H2] Publications
- [H2] Multimedia Gallery
- [H3] Thirteen Fearful Field Sites, Creepy Creatures and Terrifying Topics
- [H3] These night-flyers are valuable—and in grave danger.
- [H3] Providing real-time or near real-time data and information on current conditions and earth observations.
- [H3] Earthquakes
- [H3] Water
- [H3] Remote Sensing and Landsat
- [H3] Volcanoes
- [H3] Landslides
- [H3] What, where, and how we conduct and perform science about a changing world. Start with Science.
- [H3] Science Explorer
- [H3] Mission Areas
- [H3] Science Centers
- [H3] Regions
- [H3] One of our primary functions is to provide quality scientific information to the public through our various products.
- [H3] Data and Tools
- [H3] Maps
- [H3] Software
- [H3] Publications
- [H3] Multimedia Gallery
Images
Nous avons trouvé 6 image(s) sur cette page Web.
Bien, la plupart ou la totalité de vos images possèdent un attribut alt
Ratio texte/HTML
Ratio : 15%
Bien, le ratio de cette page texte/HTML est supérieur à 15, mais inférieur à 25 pour cent.
Flash
Parfait, aucun contenu FLASH n'a été détecté sur cette page.
Iframe
Dommage, vous avez des Iframes sur vos pages Web, cela signifie que son contenu ne peut pas être indexé par les moteurs de recherche.
Liens
Réécriture d'URLs
Bien. Vos liens sont optimisés!
Tiret bas dans les URLs
Parfait! Aucuns soulignements détectés dans vos URLs.
Liens dans la page
Nous avons trouvé un total de 142 lien(s) dont 0 lien(s) vers des fichiers
| Texte d'ancre | Type | Juice |
|---|---|---|
| Skip to main content | Interne | Passing Juice |
| About Us | Interne | Passing Juice |
| Who We Are | Interne | Passing Juice |
| History | Interne | Passing Juice |
| Past Directors | Interne | Passing Juice |
| Organization | Interne | Passing Juice |
| Mission Areas | Interne | Passing Juice |
| Regions | Interne | Passing Juice |
| Science Centers | Interne | Passing Juice |
| Science Support | Interne | Passing Juice |
| Key Officials | Interne | Passing Juice |
| Congressional | Interne | Passing Juice |
| Briefing Series | Interne | Passing Juice |
| Statements | Interne | Passing Juice |
| Contacts | Interne | Passing Juice |
| Budget | Interne | Passing Juice |
| Opportunities | Interne | Passing Juice |
| Doing Business | Interne | Passing Juice |
| Contracts | Interne | Passing Juice |
| Grants and Cooperative Agreements | Interne | Passing Juice |
| Partners and Cooperators | Interne | Passing Juice |
| Building Partnerships | Interne | Passing Juice |
| Emergency Management | Interne | Passing Juice |
| Survey Manual | Interne | Passing Juice |
| Data and Tools | Interne | Passing Juice |
| Data and Tools Topics | Interne | Passing Juice |
| Real-time Data | Interne | Passing Juice |
| APIs | Interne | Passing Juice |
| Science Data Catalog | Interne | Passing Juice |
| Science Datasets | Interne | Passing Juice |
| Data Management | Interne | Passing Juice |
| Data Management Tools | Interne | Passing Juice |
| GIS Data | Interne | Passing Juice |
| Maps | Interne | Passing Juice |
| Map Topics | Interne | Passing Juice |
| Topographic Maps | Interne | Passing Juice |
| Geologic Maps | Interne | Passing Juice |
| GIS Data | Interne | Passing Juice |
| The National Map | Interne | Passing Juice |
| USGS Store | Interne | Passing Juice |
| Geographic Names Information System (GNIS) | Interne | Passing Juice |
| Publications | Interne | Passing Juice |
| USGS Publications | Interne | Passing Juice |
| USGS Library | Interne | Passing Juice |
| Software | Interne | Passing Juice |
| Multimedia Gallery | Interne | Passing Juice |
| Images | Interne | Passing Juice |
| Videos | Interne | Passing Juice |
| Audio | Interne | Passing Juice |
| Webcams | Interne | Passing Juice |
| Park Passes | Interne | Passing Juice |
| Featured Stories | Interne | Passing Juice |
| News Releases | Interne | Passing Juice |
| National News | Interne | Passing Juice |
| State News | Interne | Passing Juice |
| Science Snippets | Interne | Passing Juice |
| Technical Announcements | Interne | Passing Juice |
| Employees in the News | Interne | Passing Juice |
| Get Our News | Interne | Passing Juice |
| Media Contacts | Interne | Passing Juice |
| I'm a Reporter | Interne | Passing Juice |
| Earthquake Questions | Interne | Passing Juice |
| Headquarters | Interne | Passing Juice |
| Locations | Interne | Passing Juice |
| Contact Us | Interne | Passing Juice |
| Interne | Passing Juice | |
| Web Chat | Interne | Passing Juice |
| Staff Profiles | Interne | Passing Juice |
| Social Media | Interne | Passing Juice |
| Science Explorer | Interne | Passing Juice |
| Biology and Ecosystems | Interne | Passing Juice |
| Land Resources | Interne | Passing Juice |
| Coasts | Interne | Passing Juice |
| Data, Tools, and Technology | Interne | Passing Juice |
| Energy | Interne | Passing Juice |
| Environmental Health | Interne | Passing Juice |
| Geology | Interne | Passing Juice |
| Mapping, Remote Sensing, and Geospatial Data | Interne | Passing Juice |
| Minerals | Interne | Passing Juice |
| Natural Hazards | Interne | Passing Juice |
| Oceans | Interne | Passing Juice |
| Planetary Science | Interne | Passing Juice |
| Water | Interne | Passing Juice |
| Core Science Systems | Interne | Passing Juice |
| Ecosystems | Interne | Passing Juice |
| Energy and Minerals | Interne | Passing Juice |
| Natural Hazards | Interne | Passing Juice |
| Water Resources | Interne | Passing Juice |
| Programs | Interne | Passing Juice |
| Science Centers | Interne | Passing Juice |
| Observatories | Interne | Passing Juice |
| Laboratories | Interne | Passing Juice |
| Region 1: North Atlantic-Appalachian | Interne | Passing Juice |
| Region 2: South Atlantic-Gulf | Interne | Passing Juice |
| Region 3: Great Lakes | Interne | Passing Juice |
| Region 4: Mississippi Basin | Interne | Passing Juice |
| Region 5: Missouri Basin | Interne | Passing Juice |
| Region 6: Arkansas-Rio Grande-Texas-Gulf | Interne | Passing Juice |
| Region 7: Upper Colorado Basin | Interne | Passing Juice |
| Region 8: Lower Colorado Basin | Interne | Passing Juice |
| Region 9: Columbia-Pacific Northwest | Interne | Passing Juice |
| Region 10: California-Great Basin | Interne | Passing Juice |
| Region 11: Alaska | Interne | Passing Juice |
| Region 12: Pacific Islands | Interne | Passing Juice |
| Frequently Asked Questions | Interne | Passing Juice |
| Education | Interne | Passing Juice |
| Science Explorer | Interne | Passing Juice |
| coronavirus.gov | Externe | Passing Juice |
| USGS’s commitment to equal employment opportunity, diversity and inclusion. | Interne | Passing Juice |
| Read Story | Interne | Passing Juice |
| Read Story | Interne | Passing Juice |
| Read Story | Interne | Passing Juice |
| Read Story | Interne | Passing Juice |
| See the latest | Interne | Passing Juice |
| Learn More | Interne | Passing Juice |
| Earthquakes | Interne | Passing Juice |
| View All | Interne | Passing Juice |
| Water | Interne | Passing Juice |
| Remote Sensing and Landsat | Interne | Passing Juice |
| Volcanoes | Interne | Passing Juice |
| Landslides | Interne | Passing Juice |
| Science Explorer | Interne | Passing Juice |
| Mission Areas | Interne | Passing Juice |
| Science Centers | Interne | Passing Juice |
| Regions | Interne | Passing Juice |
| Data and Tools | Interne | Passing Juice |
| Maps | Interne | Passing Juice |
| Software | Interne | Passing Juice |
| Publications | Interne | Passing Juice |
| Multimedia Gallery | Interne | Passing Juice |
| Skip to upper content | Interne | Passing Juice |
| Privacy Policy | Externe | Passing Juice |
| Legal | Interne | Passing Juice |
| Accessibility | Interne | Passing Juice |
| Site Map | Interne | Passing Juice |
| U.S. Department of the Interior | Externe | Passing Juice |
| DOI Inspector General | Externe | Passing Juice |
| White House | Externe | Passing Juice |
| E-Gov | Externe | Passing Juice |
| USA.gov | Externe | Passing Juice |
| No FEAR Act Data | Externe | Passing Juice |
| FOIA | Interne | Passing Juice |
Mots-clefs
Nuage de mots-clefs
science maps more products information read real-time learn data explore
Cohérence des mots-clefs
| Mot-clef | Contenu | Titre | Mots-clefs | Description | Niveaux de titre |
|---|---|---|---|---|---|
| science | 16 |  |
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| data | 15 | |
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| more | 10 | |
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| learn | 8 | |
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| maps | 7 | |
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Ergonomie
Url
Domaine : usgs.gov
Longueur : 8
Favicon
Génial, votre site web dispose d'un favicon.
Imprimabilité
Génial. L'impression est optimisée grâce aux styles CSS.
Langue
Bien. Votre langue est : en.
Dublin Core
Cette page ne profite pas des métadonnées Dublin Core.
Document
Doctype
Doctype manquant
Encodage
Parfait. Votre charset est UTF-8.
Validité W3C
Erreurs : 183
Avertissements : 2
E-mail confidentialité
Attention! Au moins une adresse e-mail a été trouvée en texte clair. Utilisez une protection anti-spam gratuite pour cacher vos e-mails aux spammeurs.
HTML obsolètes
Génial! Nous n'avons pas trouvé de balises HTML obsolètes dans votre code.
Astuces vitesse
|
Excellent, votre site n'utilise pas de tableaux imbriqués. |
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Mauvais, votre site web utilise des styles css inline. |
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Mauvais, votre site web contient trop de fichiers CSS (plus de 4). |
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Parfait, votre site web contient peu de fichiers javascript. |
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Parfait : votre site tire parti de gzip. |
Mobile
Optimisation mobile
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Icône Apple |
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Méta tags viewport |
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Contenu FLASH |
Optimisation
Sitemap XML
Votre site web dispose d’une sitemap XML, ce qui est optimal.
| https://www.usgs.gov/sitemap.xml |
Robots.txt
http://usgs.gov/robots.txt
Votre site dispose d’un fichier robots.txt, ce qui est optimal.
Mesures d'audience
Manquant
Nous n'avons trouvé aucun outil d'analytics sur ce site.
Un outil de mesure d'audience vous permet d'analyser l’activité des visiteurs sur votre site. Vous devriez installer au moins un outil Analytics. Il est souvent utile d’en rajouter un second, afin de confirmer les résultats du premier.
PageSpeed Insights
Dispositif
Les catégories
Sco Seo Review
Sco Seo Review est un outil gratuit de référencement qui vous aidera à analyser vos pages web