Fdc.nal.usda.gov - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
61% 
Page structure
70% 
Link structure
28% 
Server
70% 
External factors
100% 
SEO Score
Response time
0.70 s
File size
120.90 kB
Words
656
Media files
7
Number of links
52 internal / 23 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
USDA FoodData Central
The length of the page title is perfect. (219 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
USDA FoodData Central produces thorough resources for navigating and understanding nutritional info to support dietary choices and nutritional analysis.
The length of the meta description is perfect. (943 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified in the HTTP header.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
descriptionUSDA FoodData Central produces thorough resources for navigating and understanding nutritional info to support dietary choices and nutritional analysis.
keywordsUSDA FoodData Central
langen
content-typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 656 words. That's ok.
27.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
11 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 12.3 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: source:
Image SEO
(Somewhat important)
6 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
/img/flag-favicon-57.pngNo alt attribute provided
/img/icon-dot-gov.svgNo alt attribute provided
https://fdc.nal.usda.gov/img/icon-https.svgNo alt attribute provided
/img/usda-symbol.svgNo alt attribute provided
https://fdc.nal.usda.gov/img/close.svgNo alt attribute provided
/img/usda-symbol.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
FoodData Central frontpage
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 FoodData Central frontpage
H1 FoodData Central
H2 Quick Start Videos
H3 Getting Started on FoodData Central
Baselink: /
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.
There are 5 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 23 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://fdc.nal.usda.gov/Anchor Skip to main content
https://www.usda.gov/External Subdomain U.S. Department of Agriculture
https://www.ars.usda.gov/External Subdomain Agricultural Research Service
https://www.ars.usda.gov/External Subdomain ARS Home
https://www.ars.usda.gov/about...External Subdomain About ARS
https://www.ars.usda.gov/conta...External Subdomain Contact ARS
https://fdc.nal.usda.gov/Home
/food-search?type=FoundationFood Search
/food-search?component=0Component Search
/food-search?type=FoundationFoundation Foods
/food-search?type=SR LegacySR Legacy Foods
/food-search?type=Survey (FNDDS)Survey Foods (FNDDS)
/food-search?type=ExperimentalExperimental Foods
/food-search?type=BrandedBranded Foods
/resourcesResource Directory
https://fdc.nal.usda.gov/faqFrequently Asked Questions
https://fdc.nal.usda.gov/logRelease History
/future-updatesUpcoming Releases
https://fdc.nal.usda.gov/cndbFNS Child Nutrition Database
https://fdc.nal.usda.gov/helpQuick Guide
/data-documentationData Type Documentation
/download-datasetsData Downloads
/api-guideAPI Guide
/api-key-signupGet an API Key
https://fdc.nal.usda.gov/about-usAbout Us
https://fdc.nal.usda.gov/contactContact FoodData Central
/food-search?type=FoundationBrowse
/download-datasetsDownloads
/Foundation_Foods_DocumentationTrivial anchor text
Read More
/food-search?type=SR LegacyText duplicate Browse
/download-datasetsText duplicate Downloads
/data-documentationText duplicate Trivial anchor text
Read More
/food-search?type=Survey (FNDDS)Text duplicate Browse
/download-datasetsText duplicate Downloads
/data-documentationText duplicate Trivial anchor text
Read More
/food-search?type=ExperimentalText duplicate Browse
/Experimental_Foods_DocumentationText duplicate Trivial anchor text
Read More
/food-search?type=BrandedText duplicate Browse
/download-datasetsText duplicate Downloads
/GBFPD_DocumentationText duplicate Trivial anchor text
Read More
/food-details/2731074/aboutUSDA, FDA and ODS-NIH Database for the Iodine Content of Common Foods
https://fdc.nal.usda.gov/cndbFNS Child Nutrition Database Updates
https://fdc.nal.usda.gov/logInventory and Update Log
/future-updatesFuture Updates
https://fdc.nal.usda.gov/cndbCNDB page
https://fdc.nal.usda.gov/about-usText duplicate About Us
https://creativecommons.org/pu...External CC0 1.0 Universal (CC0 1.0)
https://fdc.nal.usda.gov/Return to Top
https://fdc.nal.usda.gov/Text duplicate Home
/food-searchText duplicate Food Search
/food-search?component=0Text duplicate Component Search
/data-documentationText duplicate Data Type Documentation
/download-datasetsDownload Data
/api-guideText duplicate API Guide
https://fdc.nal.usda.gov/helpHelp
https://fdc.nal.usda.gov/faqFAQ
https://fdc.nal.usda.gov/about-usText duplicate About Us
https://fdc.nal.usda.gov/contactText duplicate Contact FoodData Central
https://ask.usda.gov/s/External Subdomain AskUSDA
https://www.usda.gov/External Subdomain USDA.gov
https://www.ars.usda.gov/External Subdomain Text duplicate Agricultural Research Service
https://www.usda.gov/plain-wri...External Subdomain Plain Writing
https://www.dm.usda.gov/foia/External Subdomain FOIA
https://www.usda.gov/accessibi...External Subdomain Accessibility Statement
https://www.ocio.usda.gov/poli...External Subdomain Information Quality
https://www.usda.gov/privacy-p...External Subdomain Privacy Policy
https://www.usda.gov/non-discr...External Subdomain Non-Discrimination Statement
https://www.usa.gov/External Subdomain USA.gov
https://www.whitehouse.gov/External Subdomain WhiteHouse.gov
https://www.usda.gov/External Subdomain Text duplicate U.S. Department of Agriculture
https://www.ars.usda.gov/External Subdomain Text duplicate Agricultural Research Service
http://twitter.com/usda_arsNew window External ARS on Twitter
https://public.govdelivery.com...New window External Subdomain Email Lists
https://agresearchmag.ars.usda...New window External Subdomain AgResearch Magazine
https://www.ars.usda.gov/oc/po...New window External Subdomain ARS Podcasts

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://fdc.nal.usda.gov/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 of 0.70 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 6 JavaScript files. This may affect the load time negatively.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (121 kB).

HTTP Response Header

NameValue
dateSat, 31 May 2025 10:37:34 GMT
content-typetext/html
transfer-encodingchunked
connectionkeep-alive
servernginx/1.27.5
etagW/"123788-1747081382000"
last-modifiedMon, 12 May 2025 20:23:02 GMT
x-frame-optionssameorigin
content-encodinggzip
strict-transport-securitymax-age=31536000; includeSubDomains; preload
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 6,675 referring domains.
This page has 711,281 backlinks.
This page has backlinks from 2,653 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

fdc.nal.usda.gov
USDA FoodData Central
USDA FoodData Central produces thorough resources for navigating and understanding nutritional info to support dietary choices and nutritional analysis.

Most important keywords

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

KeywordResultRecheck
USDA FoodData Central78%Check
data77%Check
FoodData77%Check
Central77%Check
FoodData Central77%Check
FoodData Central data77%Check
USDA71%Check
data types58%Check
Download Data58%Check
USDA Global Branded Food55%Check
Show more keywords and terms

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