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ncbi.nlm.nih.gov

Website review ncbi.nlm.nih.gov

 Generated on July 20 2018 09:45 AM

Old statistics? UPDATE !


The score is 48/100

SEO Content

Title

National Center for Biotechnology Information



Length : 45

Perfect, your title contains between 10 and 70 characters.
Description



Length : 0

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Keywords



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Og Meta Properties Good, your page takes advantage of OG Meta Properties.
Property Content
image https://www.ncbi.nlm.nih.gov/corehtml/logo256.gif
image:secure_url /corehtml/logo256.gif
Headings
H1 H2 H3 H4 H5 H6
2 8 6 0 0 0
  • [H1] NCBI
  • [H1] Welcome to NCBI
  • [H2] National Center for Biotechnology Information
  • [H2] Submit
  • [H2] Download
  • [H2] Learn
  • [H2] Develop
  • [H2] Analyze
  • [H2] Research
  • [H2] Simple NCBI Directory
  • [H3] Popular Resources
  • [H3] Getting Started
  • [H3] Resources
  • [H3] Popular
  • [H3] Featured
  • [H3] NCBI Information
Images We found 7 images on this web page.

6 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 32%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no Iframes detected on this page.

URL Rewrite Bad. Your links have query string.
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 173 links including 1 link(s) to files



Anchor Type Juice
Skip to main content Internal Passing Juice
Skip to navigation Internal Passing Juice
Resources Internal Passing Juice
All Resources Internal Passing Juice
Chemicals & Bioassays Internal Passing Juice
BioSystems Internal Passing Juice
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Gene Expression Omnibus (GEO) Datasets Internal Passing Juice
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PubMed Central (PMC) Internal Passing Juice
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Homology Internal Passing Juice
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Literature Internal Passing Juice
Journals in NCBI Databases Internal Passing Juice
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About NCBI Accesskeys Internal Passing Juice
My NCBI Internal Passing Juice
Sign in to NCBI Internal Passing Juice
Sign Out Internal Passing Juice
NCBI Internal Passing Juice
About the NCBI Internal Passing Juice
Mission Internal Passing Juice
Organization Internal Passing Juice
NCBI News & Blog Internal Passing Juice
Resource List (A-Z) Internal Passing Juice
All Resources Internal Passing Juice
Chemicals & Bioassays Internal Passing Juice
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Genetics & Medicine Internal Passing Juice
Genomes & Maps Internal Passing Juice
Homology Internal Passing Juice
Literature Internal Passing Juice
Proteins Internal Passing Juice
Sequence Analysis Internal Passing Juice
Taxonomy Internal Passing Juice
Training & Tutorials Internal Passing Juice
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PubMed Internal Passing Juice
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About NCBI Internal Passing Juice
Research at NCBI Internal Passing Juice
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National Center for Biotechnology Information Internal Passing Juice
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Contact Internal Passing Juice

SEO Keywords

Keywords Cloud pubmed genome search all data resources blast pubchem database ncbi
Keywords Consistency
Keyword Content Title Keywords Description Headings
ncbi 36
search 22
resources 19
all 18
genome 18

Usability

Url Domain : ncbi.nlm.nih.gov
Length : 16
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.
Dublin Core This page does not take advantage of Dublin Core.

Document

Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 13
Warnings : 12
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Too bad, your website has too many CSS files (more than 4).
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap Great, your website has an XML sitemap.

https://www.ncbi.nlm.nih.gov/Traces/sitemap_index.xml
https://www.ncbi.nlm.nih.gov/Structure/sitemaps/mmdb/sitemap_index.xml
https://www.ncbi.nlm.nih.gov/Structure/sitemaps/cdd/sitemap_index.xml
Robots.txt http://ncbi.nlm.nih.gov/robots.txt

Great, your website has a robots.txt file.
Analytics Missing

We didn't detect an analytics tool installed on this website.

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PageSpeed Insights


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