Evaluation du site cdc.gov
Généré le 31 Octobre 2021 17:28
Vieilles statistiques? UPDATE !
Le score est de 71/100
Optimisation du contenu
Titre
Centers for Disease Control and Prevention
Longueur : 42
Parfait, votre titre contient entre 10 et 70 caractères.
Description
As the nation’s health protection agency, CDC saves lives and protects people from health, safety, and security threats.
Longueur : 120
Génial, votre balise META description contient entre 70 et 160 caractères.
Mots-clefs
CDC, 24/7, protect America, health, safety, security threats, foreign, U.S. diseases, chronic, acute, curable, preventable, human error, deliberate attack, supports communities, CDC Organization
Bien, votre page contient une balise META keywords.
Propriétés Open Graph
Bien, cette page profite des balises META Open Graph.
| Propriété | Contenu |
|---|---|
| title | CDC Works 24/7 |
| description | CDC works 24/7 saving lives and protecting people. |
| url | https://www.cdc.gov/index.htm |
| image | https://www.cdc.gov/homepage/images/centers-for-disease-control-and-prevention.png?_=78381 |
| image:type | image/png |
| author | CDC |
| site_name | Centers for Disease Control and Prevention |
| type | article |
Niveaux de titre
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 0 | 0 | 1 | 0 | 0 |
- [H4] Exit Notification / Disclaimer Policy
Images
Nous avons trouvé 17 image(s) sur cette page Web.
Bien, la plupart ou la totalité de vos images possèdent un attribut alt
Ratio texte/HTML
Ratio : 5%
le ratio de cette page texte/HTML est au-dessous de 15 pour cent, ce qui signifie que votre site manque de contenu textuel.
Flash
Parfait, aucun contenu FLASH n'a été détecté sur cette page.
Iframe
Génial, il n'y a pas d'Iframes détectés sur cette page.
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 126 lien(s) dont 0 lien(s) vers des fichiers
| Texte d'ancre | Type | Juice |
|---|---|---|
| Skip directly to site content | Interne | Passing Juice |
| Skip directly to A-Z link | Interne | Passing Juice |
| Español | Interne | Passing Juice |
| Other Languages | Interne | Passing Juice |
| A-Z Index | Interne | Passing Juice |
| Advanced Search | Interne | Passing Juice |
| Diseases & Conditions | Interne | Passing Juice |
| Coronavirus Disease 2019 | Interne | Passing Juice |
| ADHD | Interne | Passing Juice |
| Cancer | Interne | Passing Juice |
| COPD | Interne | Passing Juice |
| Diabetes | Interne | Passing Juice |
| Flu (Influenza) | Interne | Passing Juice |
| Heart Disease | Interne | Passing Juice |
| Sexually Transmitted Diseases (STDs) | Interne | Passing Juice |
| Data & Statistics | Interne | Passing Juice |
| More | Interne | Passing Juice |
| Adolescent & School Health | Interne | Passing Juice |
| Food Safety | Interne | Passing Juice |
| Emotional Wellbeing | Interne | Passing Juice |
| Overweight & Obesity | Interne | Passing Juice |
| Smoking & Tobacco Use | Interne | Passing Juice |
| Vaccines & Immunizations | Interne | Passing Juice |
| More | Interne | Passing Juice |
| Destinations | Interne | Passing Juice |
| Travel Notices | Interne | Passing Juice |
| Find a Clinic | Interne | Passing Juice |
| Disease Directory | Interne | Passing Juice |
| Yellow Book | Interne | Passing Juice |
| More | Interne | Passing Juice |
| Prepare Your Health | Interne | Passing Juice |
| Natural Disasters & Severe Weather | Interne | Passing Juice |
| Recent Outbreaks & Incidents | Interne | Passing Juice |
| Pandemic Influenza | Interne | Passing Juice |
| Bioterrorism | Interne | Passing Juice |
| Chemical Emergencies | Interne | Passing Juice |
| Radiation Emergencies | Interne | Passing Juice |
| Caring for Children in a Disaster | Interne | Passing Juice |
| More | Interne | Passing Juice |
| Injury, Violence & Safety | Interne | Passing Juice |
| Environmental Health | Interne | Passing Juice |
| Workplace Safety & Health | Interne | Passing Juice |
| Global Health | Interne | Passing Juice |
| State, Tribal, Local & Territorial | Interne | Passing Juice |
| Disease or Condition of the Week | Interne | Passing Juice |
| Vital Signs | Interne | Passing Juice |
| Publications | Interne | Passing Juice |
| Social & Digital Tools | Interne | Passing Juice |
| Mobile Apps | Interne | Passing Juice |
| CDC-TV | Interne | Passing Juice |
| CDC Feature Articles | Interne | Passing Juice |
| CDC Jobs | Interne | Passing Juice |
| Podcasts | Externe | Passing Juice |
| Coronavirus Disease 2019 (COVID-19) | Interne | Passing Juice |
| More Outbreaks | Interne | Passing Juice |
| New CDC Study: Vaccination Offers Higher Protection than Previous COVID-19 Infection | Interne | Passing Juice |
| CDC Updates Blood Lead Reference Value for Children | Interne | Passing Juice |
| CDC Launches New Education Campaigns Aimed at Preventing Drug Overdose Deaths | Interne | Passing Juice |
| CDC Lab Testing Confirms Cause of Melioidosis Outbreak | Interne | Passing Juice |
| More News | Interne | Passing Juice |
| About CDC | Interne | Passing Juice |
| CDC Organization | Interne | Passing Juice |
| Mission, Roles & Pledge | Interne | Passing Juice |
| Budget & Funding | Interne | Passing Juice |
| David J. Sencer CDC Museum | Interne | Passing Juice |
| Training & Education | Interne | Passing Juice |
| CDC Vital Signs Report | Interne | Passing Juice |
| Lab Safety | Interne | Passing Juice |
| Podcasts | Externe | Passing Juice |
| Library | Interne | Passing Juice |
| Diversity | Interne | Passing Juice |
| All CDC Newsletters | Interne | Passing Juice |
| COVID-19 | Interne | Passing Juice |
| Science Clips | Interne | Passing Juice |
| Public Health Image Library | Interne | Passing Juice |
| CDC Stacks: Publications | Interne | Passing Juice |
| Advancing Excellence & Integrity of CDC Science | Interne | Passing Juice |
| CDC Home | Interne | Passing Juice |
| Injury, Violence & Safety | Interne | Passing Juice |
| Environmental Health | Interne | Passing Juice |
| Workplace Safety & Health | Interne | Passing Juice |
| Global Health | Interne | Passing Juice |
| State, Tribal, Local & Territorial | Interne | Passing Juice |
| Data & Statistics | Interne | Passing Juice |
| Vital Signs | Interne | Passing Juice |
| Feature Archive | Interne | Passing Juice |
| Tools & Resources | Interne | Passing Juice |
| Disease of the Week | Interne | Passing Juice |
| Publications | Interne | Passing Juice |
| Mobile apps | Interne | Passing Juice |
| CDC – TV | Interne | Passing Juice |
| Visit CDC-INFO | Interne | Passing Juice |
| Email CDC-INFO | Interne | Passing Juice |
| About CDC | Interne | Passing Juice |
| Jobs | Interne | Passing Juice |
| Funding | Interne | Passing Juice |
| Policies | Interne | Passing Juice |
| File Viewers & Players | Interne | Passing Juice |
| Other Languages | Interne | Passing Juice |
| Privacy | Interne | Passing Juice |
| FOIA | Interne | Passing Juice |
| No Fear Act | Interne | Passing Juice |
| OIG | Externe | Passing Juice |
| Nondiscrimination | Interne | Passing Juice |
| Accessibility | Interne | Passing Juice |
| Vulnerability Disclosure Policy | Externe | Passing Juice |
| CDC Website Exit Disclaimer | Interne | Passing Juice |
| Español | Interne | Passing Juice |
| 繁體中文 | Interne | Passing Juice |
| Tiếng Việt | Interne | Passing Juice |
| 한국어 | Interne | Passing Juice |
| Tagalog | Interne | Passing Juice |
| Русский | Interne | Passing Juice |
| العربية | Interne | Passing Juice |
| Kreyòl Ayisyen | Interne | Passing Juice |
| Français | Interne | Passing Juice |
| Polski | Interne | Passing Juice |
| Português | Interne | Passing Juice |
| Italiano | Interne | Passing Juice |
| Deutsch | Interne | Passing Juice |
| 日本語 | Interne | Passing Juice |
| فارسی | Interne | Passing Juice |
| English | Interne | Passing Juice |
| U.S. Department of Health & Human Services | Externe | Passing Juice |
| USA.gov | Externe | Passing Juice |
| LANGUAGE ASSISTANCE | Interne | Passing Juice |
Mots-clefs
Nuage de mots-clefs
disease health cdc public cdc-info infections oct salmonella covid-19 email
Cohérence des mots-clefs
| Mot-clef | Contenu | Titre | Mots-clefs | Description | Niveaux de titre |
|---|---|---|---|---|---|
| cdc | 32 |  |
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| health | 7 | |
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| covid-19 | 6 | |
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| 5 | |
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| cdc-info | 4 | |
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Ergonomie
Url
Domaine : cdc.gov
Longueur : 7
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
Génial. Cette page profite des métadonnées Dublin Core.
Document
Doctype
HTML 5
Encodage
Parfait. Votre charset est UTF-8.
Validité W3C
Erreurs : 0
Avertissements : 8
E-mail confidentialité
Génial, aucune adresse e-mail n'a été trouvé sous forme de texte!
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. |
|
Mauvais, votre site web utilise des styles css inline. |
|
Génial, votre site web contient peu de fichiers CSS. |
|
Mauvais, votre site web contient trop de fichiers javascript (plus de 6). |
|
Parfait : votre site tire parti de gzip. |
Mobile
Optimisation mobile
|
Icône Apple |
|
Méta tags viewport |
|
Contenu FLASH |
Optimisation
Sitemap XML
Votre site web dispose d’une sitemap XML, ce qui est optimal.
| https://www.cdc.gov/niosh/sitemaps/sitemapsNIOSH.xml |
| https://www.cdc.gov/grand-rounds/sitemap.xml |
| https://www.cdc.gov/injury/injury-oc-sitemap.xml |
| https://www.cdc.gov/violenceprevention/NCIPC-ViolencePrevention-SiteMap.xml |
| https://www.cdc.gov/traumaticbraininjury/NCIPC-TraumaticBrainInjury-SiteMap.xml |
| https://www.cdc.gov/steadi/NCIPC-STEADI-SiteMap.xml |
| https://www.cdc.gov/safechild/NCIPC-SafeChild-SiteMap.xml |
| https://www.cdc.gov/rxawareness/NCIPC-RXawareness-SiteMap.xml |
| https://www.cdc.gov/parentsarethekey/NCIPC-ParentsAreTheKey-SiteMap.xml |
| https://www.cdc.gov/parents/essentials/NCIPC-Essentials-SiteMap.xml |
| https://www.cdc.gov/opioids/NCIPC-OpioidsPortal-SiteMap.xml |
| https://www.cdc.gov/motorvehiclesafety/NCIPC-MotorVehicleSafety-SiteMap.xml |
| https://www.cdc.gov/homeandrecreationalsafety/NCIPC-HomeandRec-SiteMap.xml |
| https://www.cdc.gov/drugoverdose/NCIPC-DrugOverdose-SiteMap.xml |
| https://www.cdc.gov/coronavirus/sitemap.xml |
| https://www.cdc.gov/wcms-auto-sitemap-index.xml |
Robots.txt
http://cdc.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
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Sco Seo Review est un outil gratuit de référencement qui vous aidera à analyser vos pages web