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Gracefo.jpl.nasa.gov - SEO Checker

Overview of the SEO Check

Meta information

61%

Page quality

85%

Page structure

31%

Link structure

77%

Server

31%

External factors

100%

SEO Score

SEO Score Widget

Response time

1.10 s

File size

96.30 kB

Words

607

Media files

Number of links

64 internal / 11 external

Task list of SEO Improvements 7 Tasks

Add a meta description.Very important!
Only use 1 H1 Heading in your text.Very important!
Enable the compressed HTML content transfer on your server using gzip.Very important!
Improve the page response time.Very important!
Review and improve the page title.Important!
Use good alternative descriptions (alt attributes) for your images.Important!
Remove duplicate heading texts.Important!

View all

Meta specifications 61% achieved

Title

(Critically important)

GRACE-FO

The page title is too short. (106 pixels of 580 max pixel length) Optimize title

The page title is only one word.

There are no duplicate words in the title

Meta Title

Meta description

(Critically important)

The meta description is missing.

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

No canonical link is specified.

Canonical Tag

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

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

There are no alternate links specified on this page.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain is no subdomain.

The domain length is good.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width, initial-scale=1.0
theme-color	#ffffff
csrf-param	authenticity_token
csrf-token	8vLW89xg5gynAj8+RUunzvZWCGHuleLk7ZlWG8LhQn+0EEV2JC/kTcc7pVxMM3MAvVZ1N6udIUWxjFaBsB1YyA==
author	Empty
keywords	Gravity, Science, JPL, NASA, GRACE, GRACE-FO, Grace Follow-on, Earth, gravity, Greenland, Climate change, study, gravity science, gravitational maps
description	Empty
lang	en
twitter:image	https://gracefo.jpl.nasa.gov/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBYlE9IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--8738d772805a2750422727477cd7c02dee2c8e28/lumpy-earth-grav-field.jpg
fb:app_id	1206201463079697
og:site_name	GRACE-FO
og:description	Empty
og:title	GRACE-FO
og:url	https://gracefo.jpl.nasa.gov/
og:updated_time	2014-06-02 17:12:34 -0700
og:image	https://gracefo.jpl.nasa.gov/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBYlE9IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--8738d772805a2750422727477cd7c02dee2c8e28/lumpy-earth-grav-field.jpg
Content-Type	text/html; charset=UTF-8
X-UA-Compatible	IE=edge,chrome=1

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Page quality 85% achieved

Content

(Critically important)

The average number of words per sentence of 28.45 words is high.

This page contains 607 words. That's ok.

26.4% of the text are stop words.

Words from the H1 heading are used in the page content.

The page contains a listing, which indicates a good text layout.

10 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.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

A viewport "width=device-width, initial-scale=1.0" is provided.

At least one Apple touch icon is specified.

Mobile Optimization

Bold and strong tags

(Somewhat important)

The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.

Strong and Bold Tags

Image SEO

(Somewhat important)

4 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.

Social Sharing

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.

HTTPS

Media list

URL	Alt attribute	Title
/assets/[email protected]	No alt attribute provided
/assets/[email protected]	Mission logo
...-grc-2023-1440px.jpeg?disposition=inline	slide 1 - NASA Satellites Reveal Abrupt Drop in Global Freshwater Levels
...gineer-well-depth.jpg?disposition=inline	slide 2 - US, Germany Partnering on Mission to Track Earth's Water Movement
...e_of_water.SWOT_2.jpg?disposition=inline	slide 3 - Google's ‘A Passage of Water' Brings NASA's Water Data to Life
...groundwater_adobe.jpg?disposition=inline	slide 4 - NASA Measures Underground Water Flowing From Sierra to Central Valley
...-FINAL-16_4bMoblc.jpg?disposition=inline	slide 5 - NASA Finds New Way to Monitor Underground Water Loss
/assets/videos/home/applications_bg.jpg	No alt attribute provided
...ecraft_th_gracefo.jpg?disposition=inline	A 3D model of NASA's GRACE-FO spacecraft.
...launch_flames_320.jpg?disposition=inline	A close-up of the flames from the rocket launching GRACE-FO.
...nch_timelapse_320.jpg?disposition=inline	The rocket's blaze is seen across the sky in this long exposure view with the ocean in the foreground.
/system/ftp/monthly_map_image_web.jpg	No alt attribute provided
/assets/[email protected]	No alt attribute provided
/assets/[email protected]	Mission logo

Video URL	Width	Height
...ideos/home/shutterstock_v420253_dark.mp4	100%

Page structure 31% achieved

H1 heading

(Critically important)

NASA Satellites Reveal Abrupt Drop in Global Freshwater Levels

Too many H1 headings

H1-H6 headings

Headings

(Important)

Some headings occur twice on the page.

There are 34 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

H1-H6 headings

Heading structure

Heading level	Content
H1	NASA Satellites Reveal Abrupt Drop in Global Freshwater Levels
H1	US, Germany Partnering on Mission to Track Earth's Water Movement
H1	Google's ‘A Passage of Water' Brings NASA's Water Data to Life
H1	NASA Measures Underground Water Flowing From Sierra to Central Valley
H1	NASA Finds New Way to Monitor Underground Water Loss
H1	GRACE-FO Data
H2	Measuring Earth's Surface Mass and Water Changes
H2	Measuring Earth's Surface Mass and Water Changes Duplicate text
H2	More Headlines
H2	Featured Multimedia
H2	Get the Newsletter
H2	Follow JPL
H3	GRACE Follow-On (GRACE-FO) is continuing GRACE’s legacy of tracking Earth’s water movement across the planet. Monitoring changes in ice sheets and glaciers, underground water storage, the amount of...
H3	Ramp-Up in Antarctic Ice Loss Speeds Sea Level Rise
H3	NASA Satellites Reveal Major Shifts in Global Freshwater
H3	NASA Renews Focus on Earth's Frozen Regions
H3	GRACE-FO 3D Model
H3	Rocket Flames
H3	GRACE-FO Launch, Long Exposure
H3	Mission
H3	Science
H3	Data
H3	Gallery
H3	News
H3	About
H3	Interactives
H4	Water Storage
H4	Ice Sheets & Glaciers
H4	Sea Level
H4	Solid Earth
H4	Water Storage Duplicate text
H4	Ice Sheets & Glaciers Duplicate text
H4	Sea Level Duplicate text
H4	Solid Earth Duplicate text

Link structure 77% achieved

Internal links

(Important)

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.

All internal links are not using dynamic parameters.

Internal Linking

External links

(Nice to have)

There are 11 external links on this page.

External Links

Found links on this page

Link	Attributes	Anchor text
http://www.nasa.gov/	New window External Subdomain	NASA A-TITLE visit nasa.gov
http://jpl.nasa.gov/	External Subdomain	Jet Propulsion Laboratory A-TITLE JPL
http://www.caltech.edu/	External Subdomain	California Institute of Technology A-TITLE Caltech
https://gracefo.jpl.nasa.gov/		IMG-ALT Mission logo A-TITLE home
https://gracefo.jpl.nasa.gov/	Anchor	Skip Navigation
/news/287/nasa-satellites-reve...	Subdomain	NASA Satellites Reveal Abrupt Drop in Global Freshwater Levels
/news/287/nasa-satellites-reve...	Subdomain	Read more ›
/news/287/nasa-satellites-reve...	Subdomain	Trivial anchor text Read More
/news/223/us-germany-partnerin...	Subdomain	US, Germany Partnering on Mission to Track Earth's Water Movement
/news/223/us-germany-partnerin...	Subdomain Text duplicate	Read more ›
/news/223/us-germany-partnerin...	Subdomain Text duplicate	Trivial anchor text Read More
/news/222/googles-a-passage-of...	Subdomain	Google's ‘A Passage of Water' Brings NASA's Water Data to Life
/news/222/googles-a-passage-of...	Subdomain Text duplicate	Read more ›
/news/222/googles-a-passage-of...	Subdomain Text duplicate	Trivial anchor text Read More
/news/187/nasa-measures-underg...	Subdomain	NASA Measures Underground Water Flowing From Sierra to Central Valley
/news/187/nasa-measures-underg...	Subdomain Text duplicate	Read more ›
/news/187/nasa-measures-underg...	Subdomain Text duplicate	Trivial anchor text Read More
/news/154/nasa-finds-new-way-t...		NASA Finds New Way to Monitor Underground Water Loss
/news/154/nasa-finds-new-way-t...	Text duplicate	Read more ›
/news/154/nasa-finds-new-way-t...	Text duplicate	Trivial anchor text Read More
/science/water-storage/		Water Storage
/science/ice-sheets-and-glaciers/		Ice Sheets & Glaciers
/science/sea-level/		Sea Level
/science/solid-earth/		Solid Earth
/science/water-storage/	Text duplicate	Water Storage
/science/ice-sheets-and-glaciers/	Text duplicate	Ice Sheets & Glaciers
/science/sea-level/	Text duplicate	Sea Level
/science/solid-earth/	Text duplicate	Solid Earth
/news/137/ramp-up-in-antarctic...	Subdomain	Ramp-Up in Antarctic Ice Loss Speeds Sea Level Rise
/news/131/nasa-satellites-reve...	Subdomain	NASA Satellites Reveal Major Shifts in Global Freshwater
/news/123/nasa-renews-focus-on...	Subdomain	NASA Renews Focus on Earth's Frozen Regions
https://gracefo.jpl.nasa.gov/news		All news
/resources/86/grace-fo-3d-model/		IMG-ALT A 3D model of NASA's GRACE-FO spacecraft.
/resources/86/grace-fo-3d-model/		GRACE-FO 3D Model
/resources/82/rocket-flames/		IMG-ALT A close-up of the flames from the rocket launching GRACE-FO.
/resources/82/rocket-flames/		Rocket Flames
/resources/81/grace-fo-launch-...		IMG-ALT The rocket's blaze is seen across the sky in this long exposure view with the ocean in the foreground.
/resources/81/grace-fo-launch-...		GRACE-FO Launch, Long Exposure
/gallery		All Multimedia
/data/grace-fo-data/		GRACE-FO Data GRACE-FO provides global observations of month-to-month surface mass changes — get the latest map here!
/data/grace-fo-data/		LATEST IMAGE & DATA December 16, 2024
/mission/overview/		Mission
/mission/overview/		Overview
/mission/spacecraft/overview/		Spacecraft
/mission/grace-tellus/		GRACE Tellus
/science/water-storage/		Science
/science/water-storage/	Text duplicate	Water Storage
/science/ice-sheets-and-glaciers/	Text duplicate	Ice Sheets & Glaciers
/science/sea-level/	Text duplicate	Sea Level
/science/solid-earth/	Text duplicate	Solid Earth
/science/events/		Meetings & Workshops
/data/grace-data/		Data
/data/grace-fo-data/		GRACE-FO Data
/gallery/		Gallery
/news/		News
/about/people/		About
/about/people/		People
/about/partners/		Partners
/about/faq/		FAQ
/about/feedback/		Feedback
/interactives/		Interactives
/interactives/timeline/		Timeline
/interactives/spacecraft/	Text duplicate	Spacecraft
https://www.nasa.gov/	External Subdomain Text duplicate	NASA
http://www.caltech.edu/	External Subdomain	Caltech
http://www.jpl.nasa.gov/copyri...	External Subdomain	Privacy
https://www.jpl.nasa.gov/image...	External Subdomain	Image Policy
/about/faq/	Text duplicate	FAQ
/about/feedback/	Text duplicate	Feedback
https://www.nasa.gov/general/a...	External Subdomain	Accessibility
/about/feedback/		Kalina Velev
http://www.nasa.gov/	New window External Subdomain Text duplicate	NASA A-TITLE visit nasa.gov
http://jpl.nasa.gov/	External Subdomain Text duplicate	Jet Propulsion Laboratory A-TITLE JPL
http://www.caltech.edu/	External Subdomain Text duplicate	California Institute of Technology A-TITLE Caltech
https://gracefo.jpl.nasa.gov/	Text duplicate	IMG-ALT Mission logo A-TITLE home

Server configuration 31% achieved

HTTP redirects

(Critically important)

This page redirects to "https://gracefo.jpl.nasa.gov/"

WWW Redirect

HTTP header

(Important)

The HTML page should be transferred using GZip compression.

The X-powered header is sent within the response header. (unnecessary)

HTTP headers

Performance

(Somewhat important)

The page response time is slow (1.10 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 (96 kB).

Page Speed

HTTP Response Header

Name	Value
content-type	text/html; charset=utf-8
date	Tue, 11 Feb 2025 13:25:01 GMT
server	Apache
cache-control	max-age=0, private, must-revalidate
x-runtime	0.355893
content-security-policy	default-src 'self' https:; font-src 'self' https: data:; img-src 'self' https: data: blob:; object-src 'self'; script-src 'self' https: 'unsafe-inline' 'unsafe-eval'; style-src 'self' https: 'unsafe-inline'; upgrade-insecure-requests; frame-ancestors *
x-request-id	3ee74dd8-8ef0-440c-b0ab-cd71ef6c4cb4
x-powered-by	Phusion Passenger(R)
strict-transport-security	max-age=31536000; includeSubDomains; preload
x-frame-options	sameorigin
etag	W/"2d71ef1ef15a95b290501b435b0b7d53"
status	200 OK
x-cache	Miss from cloudfront
via	1.1 598a1f878f2efc16baaf47787ffe82d2.cloudfront.net (CloudFront)
x-amz-cf-pop	FRA60-P2
x-amz-cf-id	h3BjxPtj-VKKW9Y2myl4E2r7cUOa_joCFmJY4RgPTAzSBGxP7bMU9w==
statuscode	200
http_version	HTTP/2

External factors 100% achieved

Backlinks

(Critically important)

This website has excellent links from other websites.

This page has backlinks from 321 referring domains.

This page has 836 backlinks.

This page has backlinks from 300 different ip addresses.

Backlinks

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# See http://www.robotstxt.org/robotstxt.html for documentation on how to use the robots.txt file
#
# To ban all spiders from the entire site uncomment the next two lines:
# User-agent: *
User-agent: *
Sitemap: https://gracefo.jpl.nasa.gov/sitemap.xml
Sitemap: https://gracefo.jpl.nasa.gov/sitemaps/news_sitemap.xml

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gracefo.jpl.nasa.gov

GRACE-FO

Most important keywords

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

Keyword	Result	Recheck
NASA	70%	Check
GRACE	70%	Check
NASA Satellites Reveal	60%	Check
Water	58%	Check
GRACE-FO	58%	Check
Freshwater	56%	Check
Satellites	56%	Check
Global	56%	Check
level	56%	Check
Reveal	56%	Check
Global Freshwater	56%	Check
Levels	52%	Check
Abrupt	52%	Check
Drop	52%	Check
GRACE-FO Launch	52%	Check
Water Storage	51%	Check
Underground Water	51%	Check
Water Movement	51%	Check
Mission	46%	Check
Earth	44%	Check
Data	44%	Check
Underground	44%	Check
Movement	44%	Check
New	44%	Check
Loss	44%	Check

Show more keywords and terms

Automatically check gracefo.jpl.nasa.gov including all subpages at once!

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Easy troubleshooting with optimization suggestions
Automated check for keyword optimization

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Gracefo.jpl.nasa.gov - SEO Checker

Task list of SEO Improvements 7 Tasks

Meta specifications 61% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Automatically check gracefo.jpl.nasa.gov including all subpages at once!

Page quality 85% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 31% achieved

(Critically important)

(Important)

Heading structure

Link structure 77% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 31% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 100% achieved

(Critically important)

Links from Wikipedia

Robots.txt

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Most important keywords

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