Gml.noaa.gov - SEO Checker

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Overview of the SEO Check
Meta information
76% 
Page quality
74% 
Page structure
79% 
Link structure
85% 
Server
10% 
External factors
100% 
SEO Score
Response time
0.97 s
File size
31.80 kB
Words
562
Media files
24
Number of links
101 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NOAA Global Monitoring Laboratory
The length of the page title is perfect. (322 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Global Monitoring Laboratory conducts research on greenhouse gas and carbon cycle feedbacks, changes in clouds, aerosols, and surface radiation, and recovery of stratospheric ozone.
The meta description is too long: 1174 pixels from max. 1000 pixels. Optimize description
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)
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
DC.languageEN-US
DC.creatorUS Department of Commerce, NOAA, Global Monitoring Laboratory
DC.date.created2005-10-01
DC.date.reviewed2024-02-23
keywordsnoaa, national oceanic and atmospheric administration, earth system research, esrl, gml, gmd, climate, air quality, numerical modeling, global warming, climate change, ozone, co2, aerosols
descriptionThe Global Monitoring Laboratory conducts research on greenhouse gas and carbon cycle feedbacks, changes in clouds, aerosols, and surface radiation, and recovery of stratospheric ozone.
DC.descriptionThe Global Monitoring Laboratory conducts research on greenhouse gas and carbon cycle feedbacks, changes in clouds, aerosols, and surface radiation, and recovery of stratospheric ozone.
DC.titleNOAA Global Monitoring Laboratory
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 32.2 words is high.
This page contains 562 words. That's ok.
18.7% 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.
8 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.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 4 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 usage of strong and bold tags is perfect. We recommend the use of up to 11 tags for this page.
Image SEO
(Somewhat important)
3 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
/webdata/logos/noaa_small.pngnoaa logo
/images/gmac_logo_vsmall.pngGMAC
/main_img/brw_new_old.jpgNo alt attribute provided
/main_img/grad_crested_butte.jpgNo alt attribute provided
/main_img/mlo_rainbow.jpgNo alt attribute provided
/main_img/table_mountain.jpgsurfrad
[email protected]news photo 0
...esunset2024.png?h=5f2ee7b9&itok=JASWEvWmnews photo 1
...2024/03/my_photo_front_lab-2048x1344.jpgnews photo 2
...irlsScience.jpg?h=c16332d6&itok=ROkQXheSnews photo 3
/images/gmac_logo_nodate.pngGlobal Monitoring Annual Conference
https://gml.noaa.gov/images/power-plant.jpggreenhouse gases
https://gml.noaa.gov/images/hats.jpghats group
https://gml.noaa.gov/images/grad.jpggrad group
https://gml.noaa.gov/images/ozonehole.pngozone and water vapor
https://gml.noaa.gov/images/th_brw.jpg[Barrow]
https://gml.noaa.gov/images/th_mlo.jpg[Mauna Loa]
https://gml.noaa.gov/images/th_smo.jpg[American Samoa]
https://gml.noaa.gov/images/th_spo.jpg[South Pole]
https://gml.noaa.gov/images/trends.pngtrends
https://gml.noaa.gov/images/th_solcal.pngsolar calculator
https://gml.noaa.gov/images/ccl.jpgccl
/images/th_education.pngEducation and Outreach
/webdata/logos/noaa-emblem.pngNOAA logo

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.

Heading structure

Heading levelContent
H3 Themes
H3 Programs
H4 Annual Conference
H4 2024 Global Monitoring Annual Conference
H4 Research
H4 Atmospheric Baseline Observatories
H4 Explore
H5 The Global Monitoring Laboratory (GML) of the National Oceanic and Atmospheric Administration conducts research that addresses three major challenges: greenhouse gas and carbon cycle feedbacks, cha...
H5 Carbon Cycle Greenhouse Gases
H5 Halocarbons and other Trace Species
H5 Global Radiation and Aerosols
H5 Ozone and Water Vapor
H5 Barrow, Alaska
H5 Mauna Loa, Hawaii
H5 American Samoa
H5 South Pole, Antarctica
H5 Current Trends
H5 Solar Calculator
H5 CCL
H5 Education
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.noaa.gov/External IMG-ALT noaa logo
A-TITLE NOAA
https://gml.noaa.gov/Global Monitoring Laboratory
A-TITLE GML
https://www.esrl.noaa.gov/External Subdomain Earth System Research Laboratories
A-TITLE ESRL Home Page
https://gml.noaa.gov/Home
A-TITLE GML Home Page
/about/aboutgml.htmlAbout GML
/about/deia.htmlDiversity, Equity, and Inclusion
https://gml.noaa.gov/review/Science Reviews
https://gml.noaa.gov/safety/Safety Program
/about/jobs.htmlEmployment
https://www.boulder.noaa.gov/External Subdomain Visiting
/about/contacts.htmlContact Us
https://sites.google.com/noaa....External Subdomain Intranet
/about/orgchart.htmlOrganization
/about/stafflist.htmlStaff
/about/stafflist_group.htmlStaff by Division
/about/employees.htmlEmployee Spotlight
/about/research.htmlResearch Overview
https://gml.noaa.gov/ccgg/Greenhouse Gases
https://gml.noaa.gov/hats/Halocarbons and Trace Gases
https://gml.noaa.gov/ozwv/Ozone and Water Vapor
https://gml.noaa.gov/grad/Global Radiation, Aerosols and Clouds
/publications/Publications
/about/networks.htmlObservations Overview
https://gml.noaa.gov/dv/site/Measurement Sites
/about/campaigns.htmlField Campaigns
https://gml.noaa.gov/obop/Observatory Operations
https://gml.noaa.gov/obop/brw/Barrow, Alaska
https://gml.noaa.gov/obop/mlo/Mauna Loa, Hawaii
https://gml.noaa.gov/obop/smo/American Samoa
https://gml.noaa.gov/obop/spo/South Pole
/ccgg/about.htmlGreenhouse Gas Reference Network
/hats/flask/flasks.htmlText duplicate Halocarbons and Trace Gases
/grad/field.htmlSurface Radiation
https://gml.noaa.gov/aero/net/Federated Aerosol Network
/ozwv/network.phpOzone
https://gml.noaa.gov/ozwv/wvapWater Vapor
https://gml.noaa.gov/aftp/data/Browse Data Archive
https://gml.noaa.gov/dv/data/Search for Data
https://gml.noaa.gov/dv/data.htmlData by Research Program
https://gml.noaa.gov/dv/site/Text duplicate Measurement Sites
/ccgg/obspack/ObsPack
https://gml.noaa.gov/dv/iadv/Data Viewer
/grad/solcalc/Solar Calculator
/dv/visualize.htmlData Visualization Pages
https://gml.noaa.gov/dv/spo_oz/South Pole Ozone Hole
https://gml.noaa.gov/aggi/Greenhouse Gas Index
https://gml.noaa.gov/odgi/Ozone Depletion Index
https://gml.noaa.gov/ccgg/trends/Trends in CO2, CH4, N2O, SF6
/ccgg/carbontracker/CarbonTracker
/hats/US_emissiontracker/US Potent GHG Tracker
/ccgg/obspack/Text duplicate ObsPack
/grad/mloapt.htmlMauna Loa Apparent Transmission
/grad/snomelt.htmlBarrow Snow Melt Dates
https://gml.noaa.gov/dv/spo_oz/Text duplicate South Pole Ozone Hole
https://gml.noaa.gov/ccl/WMO Central Calibration Laboratory
/grad/calfacil/Central UV Calibration Facility
/grad/srf.htmlBroadband Solar Calibration Facility
https://gml.noaa.gov/ozwv/dobson/World Dobson Ozone Calibration Centre
https://gml.noaa.gov/news/News
/about/seminars.phpSeminars
https://gml.noaa.gov/education/Education/Outreach
https://gml.noaa.gov/interns/Student Opportunities
/education/faq_cat-1.htmlFAQ's
/publications/Text duplicate Publications
/obop/spo/livecamera.htmlSouth Pole Webcam
/obop/mlo/livecam/livecam.htmlMauna Loa Webcams
/obop/brw/livecamera.htmlBarrow Webcam
https://gml.noaa.gov/gmac/The 52nd Conference will be held May 21 - 22, 2024
IMG-ALT GMAC
/about/aboutgml.htmlRead More >>
A-TITLE Read more about Global Monitoring Laboratory
https://gml.noaa.gov/bin/news.phpText duplicate News
/publications/browse.phpText duplicate Publications
/about/seminars.phpText duplicate Seminars
https://research.noaa.gov/2024...External Subdomain No sign of greenhouse gases increases slowing in 2023 News
IMG-ALT news photo 0
https://www.noaa.gov/stories/s...External Sunset at the South Pole signals 6 months of darkness News
IMG-ALT news photo 1
https://cpo.noaa.gov/womens-hi...External Subdomain Women’s History Month: A Conversation With Dr. Xin Lan News
IMG-ALT news photo 2
https://www.noaa.gov/stories/w...External Women’s History Month 2024: What it means to me News
IMG-ALT news photo 3
https://gml.noaa.gov/bin/news.phpText duplicate Read More >>
A-TITLE Read all news items about Global Monitoring Laboratory
/annualconference/IMG-ALT Global Monitoring Annual Conference
/annualconference/2024 Global Monitoring Annual Conference
/annualconference/Read More...
/about/research.htmlGreenhouse Gases and Carbon Cycle Feedbacks
/about/research.htmlChanges in Surface Radiation, Clouds, and Aerosols
/about/research.htmlRecovery of Stratospheric Ozone
https://gml.noaa.gov/ccgg/IMG-ALT greenhouse gases
https://gml.noaa.gov/ccgg/Carbon Cycle Greenhouse Gases
https://gml.noaa.gov/hats/IMG-ALT hats group
https://gml.noaa.gov/hats/Halocarbons and other Trace Species
https://gml.noaa.gov/grad/IMG-ALT grad group
https://gml.noaa.gov/grad/Global Radiation and Aerosols
https://gml.noaa.gov/ozwv/IMG-ALT ozone and water vapor
https://gml.noaa.gov/ozwv/Text duplicate Ozone and Water Vapor
https://gml.noaa.gov/obop/brw/Text duplicate Barrow, Alaska
IMG-ALT [Barrow]
https://gml.noaa.gov/obop/mlo/Text duplicate Mauna Loa, Hawaii
IMG-ALT [Mauna Loa]
https://gml.noaa.gov/obop/smo/Text duplicate American Samoa
IMG-ALT [American Samoa]
https://gml.noaa.gov/obop/spo/South Pole, Antarctica
IMG-ALT [South Pole]
https://gml.noaa.gov/ccgg/trends/Current Trends
IMG-ALT trends
/grad/solcalc/Text duplicate Solar Calculator
IMG-ALT solar calculator
/ccl/index.htmlCCL
IMG-ALT ccl
https://gml.noaa.gov/education/Education
IMG-ALT Education and Outreach
/about/research.htmlResearch
https://gml.noaa.gov/dv/data.htmlData
https://gml.noaa.gov/obop/Text duplicate Observatory Operations
https://gml.noaa.gov/education/Text duplicate Education
https://gml.noaa.gov/news/Text duplicate News
/publications/browse.phpText duplicate Publications
http://www.esrl.noaa.gov/External Subdomain Text duplicate Earth System Research Laboratories
https://gml.noaa.gov/Text duplicate Global Monitoring Laboratory
https://www.noaa.gov/protectin...External Privacy Policy
https://www.noaa.gov/accessibi...External Accessibility
/about/disclaimer.htmlDisclaimer
https://www.usa.gov/External Usa.gov
https://www.facebook.com/NOAAESRLExternal A-TITLE ESRL Facebook
https://twitter.com/NOAA_ESRLExternal A-TITLE ESRL Twitter
https://www.youtube.com/user/N...External A-TITLE ESRL Youtube Channel
https://www.flickr.com/photos/...External A-TITLE ESRL Flickr
https://gml.noaa.gov/sitemap/Site Contents
/about/contacts.htmlText duplicate Contact Us
https://www.commerce.gov/External U.S. Department of Commerce
http://www.noaa.gov/External National Oceanic & Atmospheric Administration
https://research.noaa.gov/External Subdomain NOAA Research

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://gml.noaa.gov/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.97 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 CSS files. This may affect the page load time negatively.
This page loads 4 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (32 kB).

HTTP Response Header

NameValue
dateTue, 30 Apr 2024 23:36:35 GMT
serverApache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.33
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=31536000; includeSubDomains; preload
varyHost
accept-rangesbytes
transfer-encodingchunked
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 5,277 referring domains.
This page has 33,753 backlinks.
This page has backlinks from 2,739 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

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gml.noaa.gov
NOAA Global Monitoring Laboratory
The Global Monitoring Laboratory conducts research on greenhouse gas and carbon cycle feedbacks, changes in clouds, aerosols, and surface radiation, and recovery of stratospheric ozone.

Most important keywords

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

KeywordResultRecheck
Monitoring74%Check
Global Monitoring73%Check
Global72%Check
Global Monitoring Laboratory72%Check
NOAA Global Monitoring Laboratory71%Check
Laboratory66%Check
Global Radiation63%Check
Global Monitoring Annual63%Check
NOAA61%Check
Global Monitoring Annual Conference59%Check
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