Nutritionsource.hsph.harvard.edu - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
93% 
Page structure
75% 
Link structure
81% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.04 s
File size
75.00 kB
Words
517
Media files
21
Number of links
109 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - The Nutrition Source
The length of the page title is perfect. (258 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Nutrition Source provides evidence-based diet & nutrition information for clinicians, health professionals and the public.
The length of the meta description is perfect. (759 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://nutritionsource.hsph.harvard.edu/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Language defined in HTTP-Equiv meta tag: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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 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
robotsmax-image-preview:large, index, follow, max-snippet:-1, max-video-preview:-1, max-image-preview:large
generatorWordPress 6.7.1
copyrightCopyright (c) 2025 The President and Fellows of Harvard College
descriptionThe Nutrition Source provides evidence-based diet & nutrition information for clinicians, health professionals and the public.
msapplication-TileImagehttps://nutritionsource.hsph.harvard.edu/wp-content/uploads/2024/10/cropped-TNS_Favicon-270x270.png
article:published_time2012-09-18T17:30:02-04:00
article:modified_time2024-05-09T15:02:50-04:00
langen-us
twitter:cardsummary_large_image
twitter:titleHome - The Nutrition Source
twitter:descriptionTerms of UseThe contents of this website are for educational purposes and are not intended to offer personal medical advice. You should seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of […]
twitter:label1Time to read
twitter:data1Less than a minute
twitter:site@harvardchansph
og:localeen_US
og:typewebsite
og:titleThe Nutrition Source
og:descriptionTerms of UseThe contents of this website are for educational purposes and are not intended to offer personal medical advice. You should seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of […]
og:urlhttps://nutritionsource.hsph.harvard.edu/
og:site_nameThe Nutrition Source
og:updated_time2024-05-09T15:02:50-04:00
og:imagehttps://nutritionsource.hsph.harvard.edu/wp-content/uploads/2024/10/cropped-TNS_Favicon.png
og:image:width512
og:image:height512
og:image:altThe Nutrition Source
content-languageen-us
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 517 words. That's ok.
29.2% 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.
6 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.
The average number of words per sentence of 13.56 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 tags for this page.
Image SEO
(Somewhat important)
2 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
...-child/assets/images/hsph-logo-white.svgHarvard T.H. Chan School of Public Health
...hild/assets/images/TNS_Logo_Primary1.pngThe Nutrition Source logo
...024/01/HLGuide2024-Carousel-1024x350.jpgHealthy Living Guide iconsHLGuide2024-Carousel
.../uploads/2020/09/Soba3-copy-1024x350.jpgA bowl of Wild Mushroom Soup with SobaSoba3 copy
...uploads/2019/01/plateplanet-1024x350.jpgNo alt attribute providedplateplanet
...ads/2018/11/strategies-copy-1024x350.jpgNo alt attribute providedPrint
...ploads/2023/07/shutterstock_96256037.jpgdiet soda can with sugar free labelView,Of,An,Aluminum,Can,Of,Sugar,Free,Soda
...1/shutterstock_1106549885-1-1024x350.jpgman sleeping in a bed at night with an alarm clock in the foreground showing the time as three amshutterstock_1106549885
...nt/uploads/2016/09/NShome_HEPwidget2.jpgHarvard Healthy Eating Plate
...2016/09/NShome_squash_carbohydrates2.jpgA variety of carbohydrates, such as butternut squash, spaghetti squash, acorn squash, zucchini, and radishes
...ploads/2018/01/book-homepage-300x250.jpgbook and fork and knife
...exels-vanessa-loring-5966630-300x249.jpgbananas
...ads/2019/01/protein-homepage-300x250.jpgA variety of protein foods, including egg, salmon, beef, chicken, beans, lentils, almonds, quinoa, oats, broccoli, artichokes, yogurt, cheese, and tofu
...tent/uploads/2016/09/NShome_recipes2.jpgCookbook of tomato recipes next to a basket of my fresh garden tomatoes.
...016/09/Blueberries_NSHomepageWidget2.jpgBlueberries in a bowl
...tent/uploads/2016/09/NShome_fatscho2.jpgOlive oil being poured onto salad with tomatoes
...ploads/2016/09/NShome_diabetesimage3.jpgStethoscope atop medical papers
...ds/2016/09/KidsHEP_NSHomepageWidget2.jpgKid's Healthy Eating Plate
...ntent/uploads/2016/09/NShome_sodium2.jpgWooden spoon full of salt
...loads/2019/01/bean-plant-2348098_640.jpgbean sprout emerging from the ground
...-child/assets/images/hsph-logo-white.svgHarvard T.H. Chan School of Public Health

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Healthy Living Guide 2023/2024
H2 Mindful eating
H2 Plate and the Planet
H2 Elevate your plate
H2 Spotlight on artificial sweeteners
H2 Sleep
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Empty heading
H4 The Healthy Eating Plate
H4 Carbohydrates
H4 Diet Reviews
H4 Food Features
H4 Protein
H4 Recipes
H4 The Nutrition Source Update
H4 Fats and Cholesterol
H4 Disease Prevention
H4 Kid's Healthy Eating Plate
H4 Salt and Sodium
H4 Sustainability
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
2 links don't have an anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
/Anchor Skip to content
/Subdomain The Nutrition Source
IMG-ALT The Nutrition Source logo
/healthy-eating-plate/Subdomain Healthy Eating Plate
/nutrition-news/Subdomain Nutrition News
/about/Subdomain About
https://community.alumni.harva...External Subdomain Make a Gift
/Subdomain Text duplicate The Nutrition Source
/Subdomain Home
/nutrition-news/Subdomain Text duplicate Nutrition News
/what-should-you-eat/Subdomain What Should I Eat?
/healthy-eating-plate/Subdomain Healthy Eating Plate & Pyramid
/healthy-eating-plate/translat...Subdomain Healthy Eating Plate Translations
/kids-healthy-eating-plate/Subdomain Kid’s Healthy Eating Plate
/what-should-you-eat/whole-gra...Subdomain Whole Grains
/what-should-you-eat/protein/Subdomain Protein
/what-should-you-eat/vegetable...Subdomain Vegetables and Fruits
/what-should-you-eat/fats-and-...Subdomain Fats and Cholesterol
/what-should-you-eat/fats-and-...Subdomain Types of Fat
/what-should-you-eat/fats-and-...Subdomain Cholesterol
/what-should-you-eat/fats-and-...Subdomain Dietary Fat and Disease
/vitamins/Subdomain Vitamins and Minerals
/healthy-drinks/Subdomain Healthy Drinks
/water/Subdomain Water
/healthy-drinks/other-healthy-...Subdomain Other Healthy Beverage Options
/healthy-drinks/drinks-to-cons...Subdomain Drinks to Consume in Moderation
/healthy-drinks/sugary-drinks/Subdomain Sugary Drinks
/sports-drinks/Subdomain Sports Drinks
/energy-drinks/Subdomain Energy Drinks
/healthy-drinks/beverages-publ...Subdomain Public Health Concerns: Sugary Drinks
/healthy-drinks/artificial-swe...Subdomain Low-Calorie Sweeteners
/salt-and-sodium/Subdomain Salt and Sodium
/salt-and-sodium/take-action-o...Subdomain Take Action: How to Reduce Your Intake
/salt-and-sodium/sodium-public...Subdomain Public Health Concerns
/carbohydrates/Subdomain Carbohydrates
/carbohydrates/carbohydrates-a...Subdomain Carbohydrates and Blood Sugar
/carbohydrates/fiber/Subdomain Fiber
/carbohydrates/added-sugar-in-...Subdomain Added Sugar
/sustainability/Subdomain Sustainability
/sustainability/plate-and-planet/Subdomain Plate and the Planet
/sustainability/food-waste/Subdomain Food Waste
/healthy-weight/Subdomain Healthy Weight
/healthy-weight/measuring-fat/Subdomain Body Fat
/healthy-weight/best-diet-qual...Subdomain The Best Diet: Quality Counts
/healthy-weight/healthy-dietar...Subdomain Healthy Dietary Styles
/healthy-weight/diet-reviews/Subdomain Diet Reviews
/staying-active/Subdomain Staying Active
/staying-active/active-communi...Subdomain Active Communities
/stress-and-health/Subdomain Stress
/sleep/Subdomain Sleep
/healthy-longevity/Subdomain Healthy Longevity
/disease-prevention/Subdomain Disease Prevention
/obesity/Subdomain Obesity
/obesity/preventing-obesity/Subdomain Preventing Obesity
/disease-prevention/cardiovasc...Subdomain Heart Disease
/disease-prevention/cardiovasc...Subdomain Prevention
/disease-prevention/diabetes-p...Subdomain Diabetes
/disease-prevention/diabetes-p...Subdomain Text duplicate Prevention
/cancer/Subdomain Cancer
/cancer/preventing-cancer/Subdomain Text duplicate Prevention
/oral-health/Subdomain Oral Health
/precision-nutrition/Subdomain Precision Nutrition
/nutrition-and-immunity/Subdomain Nutrition and Immunity
/healthy-food-environment/Subdomain Healthy Food Environment
/healthy-child-care/Subdomain Healthy Child Care Settings
/healthy-schools/Subdomain Healthy Schools
/healthy-youth-spaces/Subdomain Healthy Spaces for Youth
/healthy-workplaces/Subdomain Healthy Workplaces
/healthy-health-care/Subdomain Healthy Health Care
/recipes/Subdomain Recipes
/recipes/home-cooking/Subdomain Home Cooking
/healthy-food-service/Subdomain Food Service Resources
/food-features/Subdomain Food Features
/more/Subdomain Additional Resources
/about/Subdomain Text duplicate About
/frequently-asked-questions/Subdomain FAQ
/contact-us/Subdomain Contact
/2024/01/02/healthy-living-gui...Subdomain IMG-ALT Healthy Living Guide icons
/2024/01/02/healthy-living-gui...Subdomain Healthy Living Guide 2023/2024
/mindful-eating/Subdomain IMG-ALT A bowl of Wild Mushroom Soup with Soba
/mindful-eating/Subdomain Mindful eating
/sustainability/plate-and-planet/Subdomain No Text
/sustainability/plate-and-planet/Subdomain Text duplicate Plate and the Planet
/elevate-your-plate/Subdomain No Text
/elevate-your-plate/Subdomain Elevate your plate
/healthy-drinks/artificial-swe...Subdomain IMG-ALT diet soda can with sugar free label
/healthy-drinks/artificial-swe...Subdomain Spotlight on artificial sweeteners
/sleep/Subdomain IMG-ALT man sleeping in a bed at night with an alarm clock in the foreground showing the time as three am
/sleep/Subdomain Text duplicate Sleep
/healthy-eating-plate/Subdomain IMG-ALT Harvard Healthy Eating Plate
/healthy-eating-plate/Subdomain The Healthy Eating Plate
/carbohydrates/Subdomain IMG-ALT A variety of carbohydrates, such as butternut squash, spaghetti squash, acorn squash, zucchini, and radishes
/carbohydrates/Subdomain Text duplicate Carbohydrates
/diet-reviews/Subdomain IMG-ALT book and fork and knife
/diet-reviews/Subdomain Text duplicate Diet Reviews
/food-features/Subdomain IMG-ALT bananas
/food-features/Subdomain Text duplicate Food Features
/what-should-you-eat/protein/Subdomain IMG-ALT A variety of protein foods, including egg, salmon, beef, chicken, beans, lentils, almonds, quinoa, oats, broccoli, artichokes, yogurt, cheese, and tofu
/what-should-you-eat/protein/Subdomain Text duplicate Protein
/recipes/home-cooking/Subdomain IMG-ALT Cookbook of tomato recipes next to a basket of my fresh garden tomatoes.
/recipes/home-cooking/Subdomain Text duplicate Recipes
https://signup.e2ma.net/signup...New window External Subdomain IMG-ALT Blueberries in a bowl
https://signup.e2ma.net/signup...New window External Subdomain The Nutrition Source Update
/what-should-you-eat/fats-and-...Subdomain IMG-ALT Olive oil being poured onto salad with tomatoes
/what-should-you-eat/fats-and-...Subdomain Text duplicate Fats and Cholesterol
/disease-prevention/Subdomain IMG-ALT Stethoscope atop medical papers
/disease-prevention/Subdomain Text duplicate Disease Prevention
/kids-healthy-eating-plate/Subdomain IMG-ALT Kid's Healthy Eating Plate
/kids-healthy-eating-plate/Subdomain Text duplicate Kid's Healthy Eating Plate
/salt-and-sodium/Subdomain IMG-ALT Wooden spoon full of salt
/salt-and-sodium/Subdomain Text duplicate Salt and Sodium
/sustainability/Subdomain IMG-ALT bean sprout emerging from the ground
/sustainability/New window Subdomain Text duplicate Sustainability
https://www.hsph.harvard.edu/External Subdomain IMG-ALT Harvard T.H. Chan School of Public Health
https://www.hsph.harvard.edu/External Subdomain Harvard Chan Home
https://www.harvard.edu/External Subdomain Harvard University Home
https://www.hsph.harvard.edu/g...External Subdomain Text duplicate Make a Gift
https://www.hsph.harvard.edu/p...External Subdomain Privacy Policy
https://www.harvard.edu/copyri...External Subdomain Report Copyright Violation
https://accessibility.huit.har...External Subdomain Accessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://nutritionsource.hsph.harvard.edu/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.04 seconds.
The file size of the HTML document is fine (75 kB).

HTTP Response Header

NameValue
cache-controlpublic, max-age=604800
content-encodinggzip
content-typetext/html; charset=UTF-8
link<https://nutritionsource.hsph.harvard.edu/wp-json/>; rel="https://api.w.org/"
servernginx
strict-transport-securitymax-age=300
x-pantheon-styx-hostnamestyx-fe2-b-987dd96f9-cvpmc
x-styx-req-idf76a7bb1-e252-11ef-9331-465594e43f1d
age83252
accept-rangesbytes
via1.1 varnish, 1.1 varnish, 1.1 varnish, 1.1 varnish
dateTue, 04 Feb 2025 16:26:35 GMT
x-served-bycache-chi-kigq8000046-CHI, cache-fra-eddf8230057-FRA, cache-fra-eddf8230034-FRA, cache-fra-eddf8230034-FRA
x-cacheHIT, HIT, MISS, MISS
x-cache-hits2, 68, 0, 0
x-timerS1738686395.417221,VS0,VE11
varyAccept-Encoding, Cookie, Cookie
content-length18352
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 6,108 referring domains.
This page has 31,260 backlinks.
This page has backlinks from 3,750 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://nutritionsource.hsph.harvard.edu/wp-sitemap.xml

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Search preview

nutritionsource.hsph.harvard.edu
Home - The Nutrition Source
The Nutrition Source provides evidence-based diet & nutrition information for clinicians, health professionals and the public.

Most important keywords

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

KeywordResultRecheck
Nutrition77%Check
Source77%Check
Nutrition Source77%Check
Health56%Check
Public Health53%Check
Diet52%Check
Plate48%Check
Oral Health47%Check
Harvard46%Check
Healthy Eating Plate46%Check
Show more keywords and terms

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