Cdph.ca.gov - SEO Checker

Overview of the SEO Check
Meta information
87% 
Page quality
92% 
Page structure
52% 
Link structure
33% 
Server
86% 
External factors
100% 
SEO Score
Response time
1.31 s
File size
248.40 kB
Words
2001
Media files
18
Number of links
167 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
COVID-19 Home
The page title is too short. (152 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The California Department of Public Health is dedicated to optimizing the health and well-being of Californians
The length of the meta description is perfect. (675 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/Immunization/nCoV2019.aspx
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
The URL has a lot of subdirectories.
No parameters were found in the URL.
No session ID was found in the URL.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
DescriptionThe California Department of Public Health is dedicated to optimizing the health and well-being of Californians
AuthorDepartment of Public Health
KeywordsCalifornia, government
og:titleCalifornia Department of Public Health
og:imagehttps://www.cdph.ca.gov/Programs/CID/DCDC/Style%20Library/CDPH/images/FB-CDPH-Logo.png
og:urlhttps://www.cdph.ca.gov/Programs/CID/DCDC
fb:app_id848054818617317
langen
twitter:titleCOVID-19 Home
twitter:siteCalifornia Department of Public Helath
X-UA-CompatibleIE=EmulateIE10
Content-typetext/html; charset=UTF-8
ExpiresEmpty
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 5.63 words is low.
This page contains 2001 words. That's ok.
17.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
39 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 40 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...e Library/CDPH/images/cagov-logo-new.pngCA.Gov State of California Logo
/Style%20Library/CDPH/images/CDPH-Logo.svgCDPH Site Logo
/Style%20Library/CDPH/images/CDPH-Logo.svgCDPH Site Logo
...outs/15/images/searchresultui.png?rev=43Search
/_layouts/15/images/siteIcon.png?rev=43Division of Communicable Disease Control
...SDDtA7_hAS0uaILZAg1&t=638563019773552689Skip Navigation Links
...SDDtA7_hAS0uaILZAg1&t=638563019773552689Skip Navigation Links
...ge/covid19/html/images/Twitter-color.svgTwitter logo
...e/covid19/html/images/Facebook-color.svgFacebook logo
/images/PHABSealWhite.pngPHAB
...lishingImages/homepage/Rebranding/IG.svgVisit CDPH on Instagram for the latest updates and health tips.CDPH on Instagram
...lishingImages/homepage/Rebranding/FB.svgFollow CDPH on Facebook to stay informed and connected.CDPH on Facebook
...lishingImages/homepage/Rebranding/IN.svgExplore professional updates and news from CDPH on LinkedIn.CDPH on LinkedIn
...lishingImages/homepage/Rebranding/YT.svgWatch health-related videos and get updates from CDPH on YouTube.CDPH on YouTube
...lishingImages/homepage/Rebranding/XI.svgStay up to date with tweets and announcements from CDPH on X.CDPH on X
...lishingImages/homepage/Rebranding/BS.svgGet the latest information and stay informed with CDPH on Bluesky.CDPH on Bluesky
...ngImages/homepage/Rebranding/Threads.svgConnect and engage with CDPH on Threads to get the latest updates.CDPH on Threads

Page structure

H1 heading
(Critically important)
What’s New
The H1 heading is too short (10 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
There are 120 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 What’s New
H1 Administrative
H1 Diseases and Conditions
H1 Family Health
H1 Health and Safety
H1 Health Facilities
H1 Personal Health and Prevention
H1 Licensing, Certification and Other Credentials
H1 Person Interested In
H1 Center for Healthy Communities
H1 Center for Preparedness and Response
H1 Center for Family Health
H1 Center for Health Care Quality
H1 Center for Health Statistics and Informatics
H1 Center for Infectious Diseases
H1 Director / State Public Health Officer
H1 Center for Environmental Health
H1 Center for Laboratory Sciences
H1 Other CDPH Offices
H1 nCoV2019 Skip Navigation Links
H2 2025 State of Public Health Testimony
H2 CDPH New Look
H2 H5N1 Bird Flu
H2 Respiratory Virus Report
H2 Tips for After an Earthquake
H2 Wildfire Preparedness and Safety
H2 All Local Health Jurisdiction Letters & Notices
H2 Budget Highlights
H2 Boards and Advisory Committees
H2 Forms
H2 Language Access Services Program
H2 Local Health Services/Offices
H2 Public Records Act Request
H2 Proposed Regulations
H2 Proposition 56 Fiscal Reporting
H2 Cancer
H2 COVID-19
H2 Diabetes
H2 Diseases and Conditions Duplicate text
H2 Disease Reporting
H2 Healthcare-Associated Infections
H2 HIV/AIDS
H2 Mpox
H2 Problem Gambling
H2 Respiratory Viruses
H2 Sexually Transmitted Diseases
H2 Breastfeeding
H2 Genetic Disease Screening
H2 Mental Health
H2 Nutrition and Physical Activity
H2 Pregnancy and Reproductive Health
H2 Women, Infants and Children
H2 Climate Change and Health
H2 Emergency Preparedness
H2 Environmental Health
H2 Health in all Policies
H2 Workplace Health
H2 File a Complaint
H2 California Health Facilities Information Database
H2 Behavioral Health
H2 Cannabis (Marijuana)
H2 Immunizations
H2 Nutrition
H2 Quit Smoking
H2 Certificates, Licenses, Permits and Registrations
H2 Health Care Facility Licenses
H2 Health Care Professionals
H2 Laboratory
H2 Medical Professional Licenses
H2 Medical Waste
H2 Pet Importation and Exportation
H2 Radiation and Nuclear
H2 Registered Environmental Health Specialist
H2 Vital Records
H2 X-ray Machine Registration
H2 Clinician / Healthcare Provider
H2 Legislator / Legislative Staff
H2 Media Representative
H2 Researcher / Statistician
H2 Infant and Child Health
H2 Men’s Health
H2 Senior Health
H2 Women’s Health
H2 Youth and Young Adult's Health
H2 LGBT Health
H2 California Tobacco Control
H2 Childhood Lead Poisoning Prevention
H2 Chronic Disease Control
H2 Chronic Disease Surveillance and Research
H2 Emergency Preparedness Duplicate text
H2 Be Prepared California
H2 Know and Understand Natural Disasters
H2 Genetic Disease Screening Program
H2 Maternal, Child and Adolescent Health
H2 Women, Infants and Children Duplicate text
H2 Healthcare-Associated Infections Program
H2 Licensing and Certification
H2 End of Life Option Act
H2 Medical Marijuana Identification Card Program
H2 Research and Analytics Branch
H2 Vital Records Duplicate text
H2 HIV/AIDS Duplicate text
H2 Binational Border Health
H2 Communicable Disease Control
H2 Communicable Disease Emergency Response
H2 Refugee Health
H2 Legislative and Governmental Affairs
H2 Let's Talk Cannabis
H2 Office of Health Equity
H2 Office of Communications
H2 Division of Food and Drug Safety
H2 Division of Radiation Safety and Environmental Management
H2 Division of Environmental Health Laboratories
H2 Infectious Diseases Laboratory Division
H2 Laboratory Field Services
H2 Office of State Public Health Laboratory Director
H2 Operations Branch
H2 Privacy Office
H2 Office of Regulations
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Empty heading
H2 Stay up to date on social media
H2 Empty heading
H2 Empty heading
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
4 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 15 external links on this page.
LinkAttributesAnchor text
/Programs/CID/DCDC/Pages/Immun...Anchor Skip to main content
http://ca.gov/New window External IMG-ALT CA.Gov State of California Logo
/Programs/OPA/Pages/CDPHespano...en Español
/Pages/contact_us.aspxContact Us
/Pages/About.aspxAbout
/Programs/OPANews & Media
/Programs/HRBJobs/Careers
https://www.cdph.ca.gov/IMG-ALT CDPH Site Logo
https://www.cdph.ca.gov/Text duplicate IMG-ALT CDPH Site Logo
/Programs/OPP/Pages/State-of-P...2025 State of Public Health Testimony
/Pages/newlook.aspxCDPH New Look
/programs/cid/dcdc/pages/Bird-...H5N1 Bird Flu
/Programs/CID/DCDC/Pages/Respi...Respiratory Virus Report
/Programs/EPO/Pages/After-an-E...Tips for After an Earthquake
/Programs/EPO/Pages/Wildfire P...Wildfire Preparedness and Safety
/programs/rpho/pages/all-local...All Local Health Jurisdiction Letters & Notices
/Pages/GovernorsBudget.aspxBudget Highlights
/Pages/BoardsAndAdvisoryCommit...Boards and Advisory Committees
/Programs/PSB/Pages/Forms.aspxForms
/Programs/OPDE/Pages/Language-...Language Access Services Program
/Pages/LocalHealthServicesAndO...Local Health Services/Offices
/Pages/Public-Records-Act-Requ...Public Records Act Request
/Programs/OLS/Pages/Office-of-...Proposed Regulations
/Programs/CCDPHP/Pages/Proposi...Proposition 56 Fiscal Reporting
/Programs/CCDPHP/DCDIC/CDSRB/P...Cancer
/Programs/CID/DCDC/Pages/Immun...COVID-19
/Programs/CCDPHP/DCDIC/CDCB/Pa...Diabetes
/Pages/allDiseases.aspxDiseases and Conditions
/Programs/CID/DCDC/Pages/DCDCI...Disease Reporting
/Programs/CHCQ/HAI/Pages/HAI_D...Healthcare-Associated Infections
/Programs/CID/DOA/Pages/OAmain...HIV/AIDS
/Programs/CID/DCDC/Pages/monke...Mpox
/Programs/OPG/Pages/opg-landin...Problem Gambling
/Programs/CID/DCDC/Pages/Respi...Respiratory Viruses
/Programs/CID/DCDC/Pages/STD.aspxSexually Transmitted Diseases
/pages/allDiseases.aspxSee More
/Programs/CFH/DMCAH/Breastfeed...Breastfeeding
/Programs/CFH/DGDS/Pages/defau...Genetic Disease Screening
/Programs/OHE/Pages/OfficeHeal...Mental Health
/Programs/CFH/DMCAH/NUPA/Pages...Nutrition and Physical Activity
/Programs/CFH/DMCAH/Pages/Topi...Pregnancy and Reproductive Health
/Programs/CFH/DWICSN/Pages/Pro...Women, Infants and Children
/Programs/OHE/Pages/CCHEP.aspxClimate Change and Health
/Programs/EPO/Pages/Program-La...Emergency Preparedness
/Programs/CCDPHP/DEODC/Pages/E...Environmental Health
/Programs/OHE/Pages/HIAP.aspxHealth in all Policies
/Programs/CCDPHP/DEODC/OHB/Pag...Workplace Health
/Programs/CHCQ/LCP/CalHealthFi...File a Complaint
/Programs/CHCQ/LCP/calhealthfi...California Health Facilities Information Database
/programs/OPP/Pages/behavioral...Behavioral Health
/Programs/DO/letstalkcannabis/...Cannabis (Marijuana)
/Programs/CID/DCDC/Pages/immun...Immunizations
/Programs/CCDPHP/DCDIC/NEOPB/P...Nutrition
/Programs/CCDPHP/DCDIC/CTCB/Pa...Quit Smoking
/Programs/CEH/Pages/CLPR.aspxCertificates, Licenses, Permits and Registrations
/Programs/CHCQ/LCP/Pages/Healt...Health Care Facility Licenses
/Programs/CHCQ/LCP/Pages/Healt...Health Care Professionals
/Programs/OSPHLD/Pages/Home.aspxLaboratory
/Programs/CEH/Pages/CLPR.aspxMedical Professional Licenses
/Programs/CEH/DRSEM/Pages/EMB/...Medical Waste
/Programs/CID/DCDC/Pages/PetDo...Pet Importation and Exportation
/Programs/CEH/DRSEM/Pages/RHB....Radiation and Nuclear
/Programs/CEH/DRSEM/Pages/EMB/...Registered Environmental Health Specialist
/Programs/CHSI/Pages/Vital-Rec...Vital Records
/programs/ceh/drsem/pages/rhb-...X-ray Machine Registration
/Programs/CHCQ/LCP/Pages/CDPH-...Clinician / Healthcare Provider
/Programs/OLGA/Pages/Legislati...Legislator / Legislative Staff
/Programs/OPA/Pages/Office-of-...Media Representative
/Programs/CHSI/Pages/Researche...Researcher / Statistician
/Programs/CFH/DMCAH/Pages/Audi...Infant and Child Health
/Programs/OHE/Pages/Mens_Landi...Men’s Health
/Programs/CCDPHP/DEODC/Pages/S...Senior Health
/Programs/OHE/Pages/Womens_Lan...Women’s Health
/Programs/CFH/DMCAH/Pages/Audi...Youth and Young Adult's Health
/Programs/CID/DOA/Pages/LGBT_H...LGBT Health
/Programs/CCDPHP/Pages/Program...Center for Healthy Communities
/Programs/CCDPHP/DCDIC/CTCB/Pa...California Tobacco Control
/Programs/CCDPHP/DEODC/CLPPB/P...Childhood Lead Poisoning Prevention
/Programs/CCDPHP/DCDIC/CDCB/Pa...Chronic Disease Control
/Programs/CCDPHP/DCDIC/CDSRB/P...Chronic Disease Surveillance and Research
/Programs/CCDPHP/DEODC/Pages/E...Text duplicate Emergency Preparedness
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Programs/EPO/Pages/Program-La...Center for Preparedness and Response
/Programs/EPO/Pages/BePrepared...Be Prepared California
/Programs/EPO/Pages/BI_Natural...Know and Understand Natural Disasters
/Programs/CFH/Pages/default.aspxCenter for Family Health
/Programs/CFH/DGDS/Pages/defau...Genetic Disease Screening Program
/Programs/CFH/DMCAH/Pages/defa...Maternal, Child and Adolescent Health
/Programs/CFH/DWICSN/Pages/Pro...Text duplicate Women, Infants and Children
/Programs/CHCQ/Pages/CHCQHome....Center for Health Care Quality
/Programs/CHCQ/HAI/Pages/HAIPr...Healthcare-Associated Infections Program
/Programs/CHCQ/LCP/Pages/LandC...Licensing and Certification
/Programs/CHSI/Pages/Program-L...Center for Health Statistics and Informatics
/Programs/CHSI/Pages/End-of-Li...End of Life Option Act
/Programs/CHSI/Pages/MMICP.aspxMedical Marijuana Identification Card Program
/Programs/CHSI/Pages/RAB.aspxResearch and Analytics Branch
/Programs/CHSI/Pages/Vital-Rec...Text duplicate Vital Records
/Programs/CID/Pages/CID.aspxCenter for Infectious Diseases
/Programs/CID/DOA/Pages/OAmain...Text duplicate HIV/AIDS
/Programs/CID/OBBH/Pages/OBBHH...Binational Border Health
/Programs/CID/DCDC/Pages/DCDC....Communicable Disease Control
/Programs/CID/DCDC/Pages/CDER....Communicable Disease Emergency Response
/Programs/CID/ORH/Pages/Home.aspxRefugee Health
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Programs/DO/Pages/directors-o...Director / State Public Health Officer
/Programs/OLGA/Pages/Legislati...Legislative and Governmental Affairs
/Programs/DO/letstalkcannabis/...Let's Talk Cannabis
/Programs/OHE/Pages/OfficeHeal...Office of Health Equity
/Programs/OPA/Pages/Office-of-...Office of Communications
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Programs/CEH/Pages/CEH.aspxCenter for Environmental Health
/Programs/CEH/DFDCS/Pages/DFDC...Division of Food and Drug Safety
/Programs/CEH/DRSEM/Pages/DRSE...Division of Radiation Safety and Environmental Management
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Programs/cls/Pages/Center-for...Center for Laboratory Sciences
/Programs/cls/dehl/Pages/DEHL....Division of Environmental Health Laboratories
/Programs/cls/idld/Pages/IDLD....Infectious Diseases Laboratory Division
/Programs/OSPHLD/LFS/Pages/Hom...Laboratory Field Services
/Programs/OSPHLD/Pages/Home.aspxOffice of State Public Health Laboratory Director
/Programs/cls/operations/Pages...Operations Branch
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Programs/OLS/Pages/Privacy-Of...Privacy Office
/Programs/OLS/Pages/Office-of-...Office of Regulations
/pages/CenterDetails.aspx?cent...Text duplicate See More
/Pages/AtoZIndex.aspxA-Z Index
https://www.cdph.ca.gov/IMG-ALT Division of Communicable Disease Control
/Programs/CID/DCDC/Pages/Immun...Anchor IMG-ALT Skip Navigation Links
/Programs/CID/DCDC/Pages/Immun...nCoV2019
A-TITLE nCoV2019
/Programs/CID/DCDC/Pages/DCDC....Division of Communicable Disease ControlCurrently selected
/Programs/CID/DCDC/CAIR/Pages/...CAIR
/Programs/CID/DCDC/Pages/Immun...Anchor Text duplicate IMG-ALT Skip Navigation Links
/Programs/CID/DCDCText duplicate Division of Communicable Disease Control
A-TITLE Division of Communicable Disease Control
/Programs/CID/DCDC/_layouts/15...Subdomain Pages
A-TITLE Pages
/Programs/CID/DCDC/_layouts/15...Subdomain Immunization
A-TITLE Immunization
https://www.cdph.ca.gov/Subdomain Home
/Programs/CID/DCDC/Pages/Immun...Text duplicate COVID-19
/Programs/CID/DCDCRecentCurrently selected
/Programs/CID/DCDC/Pages/CalRE...CalREDIE
A-TITLE This is the landing page for CalREDIE
/Programs/CID/DCDC/Pages/CalRE...CalREDIE Contact Us
/Programs/CID/DCDC/Pages/CDERC...CDER Contact Us
/Programs/CID/DCDC/Pages/CDERI...CDER Information for Health Professionals
/Programs/CID/DCDC/Pages/CDERR...CDER Resources
/Programs/CID/DCDC/Pages/Chlam...Chlamydia
/Programs/CID/DCDC/Pages/CDER....Communicable Disease Emergency Response Program
A-TITLE This is the landing page for the Communicable Disease Emergency Response Program (CDER)
/Programs/CID/DCDC/Pages/DCDCC...DCDC Contact Us
A-TITLE This page contains the contact information for DCDC
/Programs/CID/DCDC/Pages/DCDCI...DCDC Information for Local Health Departments
/Programs/CID/DCDC/Pages/DCDCR...DCDC Resources
A-TITLE This is the Resources page for DCDC
/Programs/CID/DCDC/Pages/Gonor...Gonorrhea
/Programs/CID/DCDC/Pages/Hepat...Hepatitis C
/Programs/CID/DCDC/Pages/IDB.aspxInfectious Diseases Branch
/Programs/CID/DCDC/Pages/Inter...Interpreting Zika Virus Test Results
/Programs/CID/DCDC/Pages/Pelvi...Pelvic Inflammatory Disease (PID)
/Programs/CID/DCDC/Pages/STD.aspxSexually Transmitted Diseases Control Branch
A-TITLE Sexually Transmitted Diseases Control Branch
/Programs/CID/DCDC/Pages/Syphi...Syphilis
/Programs/CID/DCDC/Pages/TBCBC...TBCBContactUs
/Programs/CID/DCDC/Pages/Trich...Trichomoniasis
/Programs/CID/DCDC/Pages/VRDL_...VRDL Guidelines for Specimen Collection and Submission for Pathologic Testing
A-TITLE VRDL Guidelines for Specimen Collection and Submission for Pathologic Testing
/Programs/CID/DCDC/Lists/covid...Subdomain No Text
/Programs/CID/DCDC/Lists/covid...Subdomain No Text
/Programs/CID/DCDC/Lists/covid...Subdomain No Text
/Programs/CID/DCDC/Lists/covid...Subdomain No Text
https://twitter.com/CAPublicHe...External Tweets by CAPublicHealth
https://phaboard.org/New window External IMG-ALT PHAB
/Pages/contact_us.aspxText duplicate Contact Us
/Pages/Accessibility.aspxNew window Web Accessibility Certification
http://get.adobe.com/reader/External Subdomain Download pdf viewer
/Pages/contact_us.aspxFeedback
/Programs/HRBText duplicate Jobs/Careers
/Pages/privacy-policy.aspxPrivacy Policy
/Pages/Sitemap.aspxSitemap
/Pages/Conditions-of-Use.aspxUse Policy
https://www.gov.ca.gov/New window External Subdomain Visit Governor's Website
https://www.ca.gov/agenciesall/External Subdomain State Agency Directory
http://www.chhs.ca.gov/New window External Subdomain CA Health & Human Services
https://www.cdc.gov/New window External Subdomain Centers for Disease Control and Prevention
https://instagram.com/capublic...New window External IMG-ALT Visit CDPH on Instagram for the latest updates and health tips.
https://www.facebook.com/CAPub...New window External Subdomain IMG-ALT Follow CDPH on Facebook to stay informed and connected.
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT Explore professional updates and news from CDPH on LinkedIn.
https://www.youtube.com/user/C...New window External Subdomain IMG-ALT Watch health-related videos and get updates from CDPH on YouTube.
https://twitter.com/CAPublicHe...New window External IMG-ALT Stay up to date with tweets and announcements from CDPH on X.
https://bsky.app/profile/capub...New window External IMG-ALT Get the latest information and stay informed with CDPH on Bluesky.
https://www.threads.net/@capub...New window External Subdomain IMG-ALT Connect and engage with CDPH on Threads to get the latest updates.

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.31 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (248 kB).

HTTP Response Header

NameValue
cache-controlprivate
content-typetext/html; charset=utf-8
content-encodinggzip
expiresFri, 02 May 2025 18:27:04 GMT
vary*
x-sharepointhealthscore0
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x-frame-optionsSAMEORIGIN
content-security-policyframe-ancestors 'self' teams.microsoft.com *.teams.microsoft.com *.skype.com *.teams.microsoft.us local.teams.office.com *.powerapps.com *.yammer.com *.officeapps.live.com *.office.com *.stream.azure-test.net *.microsoftstream.com *.dynamics.com *.microsoft.com onedrive.live.com *.onedrive.live.com;
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dateFri, 02 May 2025 18:26:03 GMT
content-length59309
set-cookie150 Characters
x-envoy-upstream-service-time729
x-volterra-locationfr4-fra
servervolt-adc
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 285 referring domains.
This page has 608 backlinks.
This page has backlinks from 189 different ip addresses.

Robots.txt

User-agent: *

Disallow: /_layouts/
Disallow: /_vti_bin/
Disallow: /_catalogs/



Sitemap: https://www.cdph.ca.gov:443/sitemap.xml

Search preview

www.cdph.ca.gov › Programs › CID › DCDC › Pages › Immunization › nCoV2019.a...
COVID-19 Home
The California Department of Public Health is dedicated to optimizing the health and well-being of Californians

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Following keywords were found. You can check the keyword optimization of this page for each keyword.

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New58%Check
Public Health57%Check
Health56%Check
California56%Check
CDPH54%Check
State Public Health53%Check
Public Records51%Check
li span51%Check
COVID-1950%Check

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