Search Engine Optimization Overview
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The Trusted Provider of Medical Information since 1899
The Merck Manuals (known as the MSD Manuals outside US & Canada) are the global standard in medical reference for Doctors, Students & Consumers - since 1899.
Seo
Title
The title tag is perfect.
The Trusted Provider of Medical Information since 1899
Meta description
The meta description tag is good.
The Merck Manuals (known as the MSD Manuals outside US & Canada) are the global standard in medical reference for Doctors, Students & Consumers - since 1899.
Headings
The h1 tag is the same with the title tag.
  1. The Trusted Provider of Medical Information since 1899
  1. The Merck Manuals are a comprehensive medical information source covering thousands of topics in all fields of medicine. They are offered as a free public service to health care professionals and the general public.
  2. Choose the version that best meets your needs
  3. Our mission is simple:
  4. Merck and the Merck Manuals
  1. Professional Version
  2. For Medical Professionals and Students, more advanced content and features
  3. I’m a medical professional or student.
  4. Go to Professional Version
  5. Consumer Version
  6. For the General Public, information that is clear and easy to understand
  7. I’m a patient, parent or caregiver.
  8. Go to Consumer Version
  9. Veterinary Manual
  10. For Veterinary Professionals and Students, the world's most widely used veterinary reference
  11. I’m a vet or pet owner.
  12. Go to Veterinary Manual
Content keywords
The content has relevant keywords.
thetrustedproviderofmedicalinformationsince1899
Image keywords
There are 7 images with missing alt attributes.
  1. https://www.merckmanuals.com/Content/Images/Redesign/globe.png
  2. https://www.merckmanuals.com/Content/Images/mmanual_foot_logo.png
  3. https://www.merckmanuals.com/Content/Images/Redesign/social/social-media-icons.svg
  4. https://www.merckmanuals.com/Content/Images/Redesign/social/social-media-icons.svg
  5. https://www.merckmanuals.com/Content/Images/Redesign/social/social-media-icons.svg
  6. https://www.merckmanuals.com/Content/Images/Redesign/social/social-media-icons.svg
  7. https://www.merckmanuals.com/Content/Images/mmanual_foot_logo.png
SEO friendly URL
The URL does not contain any relevant keywords.
https://www.merckmanuals.com/
404 page
The website has 404 error pages.
https://www.merckmanuals.com/404-c48ec14a6f3f5f0b394aab055021d8f9
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.
Language
The webpage has the language declared.
en-US
Favicon
The webpage does not have a favicon.
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.42 seconds.
Page size
The size of the HTML webpage is 9,711.00.
HTTP requests
There are fewer than 18 HTTP requests on the webpage.
  1. https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
  2. https://code.jquery.com/jquery-3.5.1.min.js
  3. https://code.jquery.com/ui/1.13.1/jquery-ui.min.js
  4. https://cdnjs.cloudflare.com/ajax/libs/knockout/3.5.1/knockout-latest.js
  5. https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.7/hammer.min.js
  6. https://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.5.13/es5-shim.min.js
  7. https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.35.5/es6-shim.min.js
  8. https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.0/slick.min.js
  9. https://www.merckmanuals.com/bundles/redesign/libsjsv4.0.1.0-e5034bf345.js?v=9oeWsccS0AXvU_mpLneFQpk81D2qyviYAadBAspEdRc1
  10. https://www.merckmanuals.com/bundles/redesign/mmanuallandingjsv4.0.1.0-e5034bf345.js?v=xXHOQ_NnN28Q6qqcUT7HRko_izSfsZTCp4cM9ekDdJc1
  1. https://www.merckmanuals.com/bundles/redesign/landingcssv4.0.1.0-e5034bf345.css?v=S9Yb1RW3TyT-arPqxvMkFw03xg2X-74o3ymdyMs0UTE1
  2. https://www.merckmanuals.com/bundles/redesign/mmanualcssprintv4.0.1.0-e5034bf345.css?v=Ka5MkQllOLhPQjXkAV0o5hS_i6_LnEH7nN0bl1MxGtQ1
  3. https://www.merckmanuals.com/bundles/redesign/mmanualcsshybridv4.0.1.0-e5034bf345.css?v=2yCOZQuJ0CzXjU2ARUg7q79vZ4s-FGddCrkQPqPXLOQ1
  1. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/professional.jpg
  2. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/consumer.jpg
  3. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/veterinary.jpg
  4. https://www.merckmanuals.com/~/media/9a6203f2576242a69ccde7019ce007ac.ashx?h=261&w=477
  1. https://www.googletagmanager.com/ns.html?id=GTM-5MKXR9
Image format
There are 13 images that are not using the AVIF, WebP format.
  1. https://www.merckmanuals.com/Content/Images/Redesign/globe.png
  2. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/professional.jpg
  3. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/consumer.jpg
  4. https://www.merckmanuals.com/-/media/manual/landing/editionboxes/veterinary.jpg
  5. https://www.merckmanuals.com/-/media/manual/landing/mer_gmk_vertical_sm.gif
  6. https://www.merckmanuals.com/Content/Images/mmanual_foot_logo.png
  7. https://www.merckmanuals.com/~/media/9a6203f2576242a69ccde7019ce007ac.ashx?h=261&w=477
  8. https://www.merckmanuals.com/-/media/manual/footer/accessibility.png
  9. https://www.merckmanuals.com/-/media/manual/footer/accessibility.png
  10. https://privacy-policy.truste.com/privacy-seal/seal?rid=140649f5-9394-46e8-bfe5-b4ea8a8c600e
  11. https://privacy-policy.truste.com/privacy-seal/seal?rid=11c1aa82-b7e7-4a2f-b02e-ba935e661720
  12. https://www.merckmanuals.com/-/media/0be6c3b68165474584ec027d36c464db.ashx
  13. https://www.merckmanuals.com/Content/Images/mmanual_foot_logo.png
JavaScript defer
The are 10 javascript resources without the defer attribute.
  1. https://cdn.cookielaw.org/scripttemplates/otSDKStub.js
  2. https://code.jquery.com/jquery-3.5.1.min.js
  3. https://code.jquery.com/ui/1.13.1/jquery-ui.min.js
  4. https://cdnjs.cloudflare.com/ajax/libs/knockout/3.5.1/knockout-latest.js
  5. https://cdnjs.cloudflare.com/ajax/libs/hammer.js/2.0.7/hammer.min.js
  6. https://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.5.13/es5-shim.min.js
  7. https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.35.5/es6-shim.min.js
  8. https://cdnjs.cloudflare.com/ajax/libs/slick-carousel/1.8.0/slick.min.js
  9. https://www.merckmanuals.com/bundles/redesign/libsjsv4.0.1.0-e5034bf345.js?v=9oeWsccS0AXvU_mpLneFQpk81D2qyviYAadBAspEdRc1
  10. https://www.merckmanuals.com/bundles/redesign/mmanuallandingjsv4.0.1.0-e5034bf345.js?v=xXHOQ_NnN28Q6qqcUT7HRko_izSfsZTCp4cM9ekDdJc1
DOM size
The DOM size is optimal.
The HTML file has 357 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.merckmanuals.com/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Microsoft-IIS/10.0
Unsafe cross-origin links
The webpage has 5 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.
    initial-scale=1
    Character set
    The webpage has a charset value set.
    utf-8
    Sitemap
    The website has sitemaps.
    1. https://www.merckmanuals.com/en-ca/sitemap.ashx
    2. https://www.merckmanuals.com/en-pr/sitemap.ashx
    3. https://www.merckmanuals.com/sitemap.ashx
    4. https://www.merckmanuals.com/es-pr/sitemap.ashx
    5. https://www.merckmanuals.com/es-us/sitemap.ashx
    6. https://www.merckmanuals.com/fr-ca/sitemap.ashx
    Content length
    The webpage has 663 words.
    Text to HTML ratio
    The text to HTML ratio is 11%.
    Inline CSS
    The webpage contains inline CSS code.
    1. display:none
    2. display:none;visibility:hidden
    3. display: none
    4. border: none
    5. border: none
    6. border:0px; width: 49px; height: 72px; float: left; margin: 2px;
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.