Gia.edu - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
75% 
Page structure
75% 
Link structure
25% 
Server
95% 
External factors
100% 
SEO Score
Response time
10.05 s
File size
195.00 kB
Words
975
Media files
39
Number of links
214 internal / 24 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Gemological Institute Of America | All About Gemstones - GIA
The length of the page title is perfect. (552 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
The length of the meta description is perfect. (946 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 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, shrink-to-fit=no
descriptionEstablished in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
keywordsGIA, Gemological Institute of America, gemstones, gems
google-site-verificationtBnD6zl-M-MHYj59WNxn23xaYrlqY_YUW3ZY4hucPzE
langen
fb:pages270929056289845
X-UA-CompatibleIE=Edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 975 words. That's ok.
15.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
8 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 16.33 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
13 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
...s/img/global-header/desktop/gia-logo.svgGIA Logo Home
...g/global-header/mobile/language-icon.svgNo alt attribute provided
...g/global-header/mobile/white-close-x.svgclose modal
...s/img/global-header/desktop/gia-logo.svgGIA Logo Home
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
/img/global-header/desktop/down-toggle.svgNo alt attribute provided
...ones_EDU_Hero_Img_-_Desktop_EE_FINAL.jpgOctober 2024 Birthstone
...bs&blobwhere=1495895554677&ssbinary=trueReduced Fees Homepage Hero
...bs&blobwhere=1495895545202&ssbinary=trueColored Stones Vol Promo
/images/su24-gg-banner-1920x550.jpgSU24 G&G Issue Cover
...bs&blobwhere=1495894334213&ssbinary=trueHand holding demantoid garnet rough in matrix. Hand holding demantoid garnet rough in matrix.
/images/SU24-Magana-Fig1-325084-300px.jpgFigure 1. This 10.02 ct E-color, VS1-clarity emerald-cut diamond is an example of the great strides made in HPHT growth technology in the past two decades, as laboratory-grown diamonds have become an important sector of the gem diamond market. Photo by Johnny Leung. The as-grown CVD diamond plate (1.24 ct, 8.41 × 8.60 × 1.26 mm) was manufactured by GIA at its New Jersey research facility. Photo by Adrian Chan. Figure 1. This 10.02 ct E-color, VS1-clarity emerald-cut diamond is an example of the great strides made in HPHT growth technology in the past two decades, as laboratory-grown diamonds have become an important sector of the gem diamond market. Photo by Johnny Leung. The as-grown CVD diamond plate (1.24 ct, 8.41 × 8.60 × 1.26 mm) was manufactured by GIA at its New Jersey research facility. Photo by Adrian Chan.
/images/SU24-LN-Fig16-325135-300px.jpgFigure 1. The multicolored pearl weighing 90.08 ct and measuring 28.66 × 22.19 × 18.50 mm. Photo by Gaurav Bera.Figure 1. The multicolored pearl weighing 90.08 ct and measuring 28.66 × 22.19 × 18.50 mm. Photo by Gaurav Bera.
/images/SU24-MW-Fig12-324898-300px.jpgFigure 1. This unheated 11.43 ct purplish red round ruby cabochon displayed a white twelve-rayed double-star phenomenon. Photo by Nuttapol Kitdee.Figure 1. This unheated 11.43 ct purplish red round ruby cabochon displayed a white twelve-rayed double-star phenomenon. Photo by Nuttapol Kitdee.
/images/SU24-CSU-Fig1-99915-300px.jpgFigure 1. Synthetic alexandrite, amethyst, beryl, corundum, diamond, and fire opal. The three smallest stones are synthetic diamonds ranging from 0.06 to 0.14 ct. Photo by Robert Weldon.Figure 1. Synthetic alexandrite, amethyst, beryl, corundum, diamond, and fire opal. The three smallest stones are synthetic diamonds ranging from 0.06 to 0.14 ct. Photo by Robert Weldon.
/images/SU24-GNI-Fig1-325154-300px.jpgFigure 1. Emeralds in matrix and various cut stones from the Curlew mine in Western Australia. All stones were mined in 2023. The cut stones are untreated and range from 0.45 to 7.92 ct (triangular shape). Photo by Lhapsin Nillapat; courtesy of Matthew Allen (The Gemstone Trading Company).Figure 1. Emeralds in matrix and various cut stones from the Curlew mine in Western Australia. All stones were mined in 2023. The cut stones are untreated and range from 0.45 to 7.92 ct (triangular shape). Photo by Lhapsin Nillapat; courtesy of Matthew Allen (The Gemstone Trading Company).
...4-Spotlight-Sci-Fi-Moon-325201-300px.jpgLeft: A sci-fi scene in this oval measuring 48 × 72 × 8 mm and weighing 247 ct depicts streaks of light filtering through pine forests and reflecting in the lakes below. At the horizon, a giant moon emerges from behind the mountains. Photo by Robert Weldon. Right: Detail of variations in the perceived color, depending on the orientation of the light source. Photomicrograph by Nathan Renfro.Left: A sci-fi scene in this oval measuring 48 × 72 × 8 mm and weighing 247 ct depicts streaks of light filtering through pine forests and reflecting in the lakes below. At the horizon, a giant moon emerges from behind the mountains. Photo by Robert Weldon. Right: Detail of variations in the perceived color, depending on the orientation of the light source. Photomicrograph by Nathan Renfro.
...24-Renfro-chart-article-222946-300px.jpgThis collection of 50 tourmalines showcases the gem’s wide-ranging color palette. Photo by Robert Weldon; courtesy of Bruce A. Fry.This collection of 50 tourmalines showcases the gem’s wide-ranging color palette. Photo by Robert Weldon; courtesy of Bruce A. Fry.
...es/Featured-Gems-PERIDOT-14611-73x70.pngFeatured Gem PeridotFeatured Gem Peridot
/images/fancy-color-diamond.pngFancy Color DiamondFancy Color Diamond
https://www.gia.edu/images/diamond.pngDiamondDiamond
https://www.gia.edu/images/emerald.pngEmerald Bluish Green StoneEmerald Bluish Green Stone
...s/Featured-Gems-CITRINE-151544-73x70.pngFeatured Gem CitrineFeatured Gem Citrine
/images/resources-for-retailers.jpg
...4-GIA-Homepage-Gemolite-Image-Update.jpg
/images/diamond-abstract-art-266x162.jpgAbstract art with fluorescent rainbow and dark brown triangle patternsAbstract art with fluorescent rainbow and dark brown triangle patterns
...es/GIA-diamond-origin-report-216x122.jpgDiamond Origin ReportsDiamond Origin Reports
/assets/img/icons/down-toggle.svgNo alt attribute provided
/img/global-footer/gia-logo-full.svgGIAGIA
/img/footer/social-fb-small-bw.pngNo alt attribute provided
/img/footer/social-linkedin-small-bw.pngNo alt attribute provided
/img/footer/pinterest-logo-b-w.pngNo alt attribute provided
/img/footer/social-youtube-small-bw.pngNo alt attribute provided
/img/footer/social-instagram-small-bw.pngNo alt attribute provided
/assets/img/global-footer/language-icon.svgChange Language iconChange Language icon

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 Please choose a language
H2 Empty heading
H2 Research & News
H3 Opal: The Gem Containing Galaxies
H3 Two Limited-Time Offers: Reduced Fees on Diamond Update Services GIA Diamond Dossier® 20% Off
H3 Limited Time Offer: Up to 20% Savings on Colored Stone Identification Reports
H3 Lab-Grown Diamonds, Chinese Cassiterite, and a Tourmaline Inclusions Chart
H3 Learn & Connect
H3 Featured Gems
H3 You Might Also Like
H4 October Birthstone
H4 Available at all GIA locations.
H4 New Gems & Gemology Issue
H5 Find a Retailer
H5 Shop the Campus Store
H5 Subscribe to Knowledge Rocks Emails
H5 Learn About Diamond Origin Reports
H6 Peridot
H6 Fancy Color Diamond
H6 Diamond
H6 Emerald
H6 Citrine
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 9 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 24 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.gia.edu/homeSubdomain IMG-ALT GIA Logo Home
/gem-encyclopediaSubdomain Gem Encyclopedia
https://www.gia.edu/birthstonesSubdomain Birthstones
/gia-gubelin-gem-project-researchSubdomain GIA's Gübelin Gem Project
https://www.gia.edu/gem-labSubdomain Analysis & Grading
/report-check-landing?locale=e...Subdomain Report Check
/submit-a-gem-duplicateSubdomain Submit A Gem
/gem-lab-return-datesSubdomain Return Dates
https://www.gia.edu/facetwareSubdomain GIA Facetware®
/gia-instrumentsSubdomain GIA Instruments
/opening-a-lab-accountSubdomain Open Laboratory Account
/gem-lab-fee-scheduleSubdomain Laboratory Service Fees
/gem-lab-service/diamond-gradingSubdomain Natural Diamonds
/gem-lab-service/colored-diamondSubdomain Natural Colored Diamonds
/gem-lab-service/synthetic-dia...Subdomain Laboratory-Grown Diamonds
/gem-lab-service/colored-stoneSubdomain Colored Stones
/gem-lab-service/pearlSubdomain Pearls
/gem-education/overviewSubdomain Overview
https://campus-tour.gia.edu/External Subdomain Carlsbad Campus Virtual Tour
/gem-education/program-graduat...Subdomain Graduate Gemologist®
/gem-education/program-graduat...Subdomain Graduate Diamonds
/gem-education/program-graduat...Subdomain Graduate Colored Stones
/gem-education/program-graduat...Subdomain Graduate Jeweler
/gem-education/program-jewelry...Subdomain Jewelry Design & Technology
/gem-education/program-jewelry...Subdomain Comprehensive CAD/CAM For Jewelry
/gem-education/program-jewelry...Subdomain Jewelry Design
/gem-education/bangkok/overviewSubdomain Bangkok
/gem-education/carlsbad/overviewSubdomain Carlsbad
/gem-education/hong-kong/overviewSubdomain Hong Kong
/gem-education/london/overviewSubdomain London
/gem-education/mumbai/overviewSubdomain Mumbai
/gem-education/new-york/overviewSubdomain New York
/gem-education/taipei/overviewSubdomain Taipei
/gem-education/campusesSubdomain Anchor Other Locations
/gem-education/online-division...Subdomain Text duplicate Overview
/gem-education/online-graduate...Subdomain Graduate Gemologist Online Diploma
/gem-education/online-graduate...Subdomain Graduate Diamonds Online Diploma
/gem-education/online-graduate...Subdomain Graduate Colored Stones Online Diploma
/gem-education/online-graduate...Subdomain Graduate Pearls Online Diploma
/gem-education/online-applied-...Subdomain Applied Jewelry Professional™ Online Diploma
/gem-education/course-jewelry-...Subdomain Jewelry Essentials
/gem-education/course-color-ge...Subdomain Colored Stone Essentials
/gem-education/course-diamond-...Subdomain Diamond Essentials
/gem-education/course-pearlSubdomain Text duplicate Pearls
/gem-education/course-color-gemSubdomain Text duplicate Colored Stones
/gem-education/course-diamondSubdomain Diamonds & Diamond Grading
/gem-education/course-gem-identSubdomain Gem Identification
/gem-education/course-color-ge...Subdomain Colored Stone Grading Lab
/gem-education/course-diamond-...Subdomain Diamond Grading Lab
/gem-education/course-gem-iden...Subdomain Gem Identification Lab
/gem-education/course-pearl-gr...Subdomain Pearl Grading Lab
/gem-education/admissionsSubdomain Admissions
/gem-education/schedulesSubdomain Schedules
/gem-education/tuition-feesSubdomain Tuition & Fees
https://www.gia.edu/gem-careersSubdomain CAREER PATHS
https://www.gia.edu/career-fairSubdomain Career Fair
/careers-in-gems-jewelrySubdomain Gem & Jewelry Careers
/student-financial-assistance-...Subdomain Financial Assistance & Scholarships
/student-consumer-informationSubdomain Student Consumer Information
https://collective.gia.edu/col...New window External Subdomain Continuing Education
/alumni-redirect?uri=https://c...New window Subdomain Alumni Collective
https://collective.gia.edu/col...New window External Subdomain Text duplicate Continuing Education
https://www.gia.edu/researchSubdomain GIA Research
/gia-news-researchSubdomain News & Articles
https://www.gia.edu/gems-gemologySubdomain Gems & Gemology Journal
https://www.gia.edu/librarySubdomain Library
https://www.gia.edu/gia-aboutSubdomain About GIA
/event-listingsSubdomain Events
https://www.gia.edu/pressroomSubdomain Pressroom
https://www.gia.edu/gia-museumSubdomain Museum
/gia-support-donate-oldSubdomain Donating to GIA
/gia-about-mission-governance-esgSubdomain Mission, Governance & ESG
https://www.gia.edu/gia-careerSubdomain Careers at GIA
https://www.gia.edu/gia-faqSubdomain FAQs
https://www.gia.edu/locationsSubdomain Locations
https://www.gia.edu/contactusSubdomain Contact Us
http://gemkids.gia.edu/New window External Subdomain No Text
/report-check-landing?locale=e...Subdomain Text duplicate Report Check
/submit-a-gem-duplicateSubdomain Text duplicate Submit A Gem
/retailer-lookupSubdomain LIST YOUR STORE
https://store.gia.edu/External Subdomain GIA Store
https://www.gia.edu/mygiaSubdomain My GIA
https://www.gia.edu/contactusSubdomain Text duplicate Contact Us
https://www.gia.edu/locationsSubdomain Text duplicate Locations
/sites/Satellite?c=Page&childp...English (US)
/sites/Satellite?c=Page&childp...English (UK)
/sites/Satellite?c=Page&childp...简体中文
/sites/Satellite?c=Page&childp...日本語
https://www.gia.edu/homeSubdomain Text duplicate IMG-ALT GIA Logo Home
/report-check-landing?locale=e...Subdomain Text duplicate Report Check
/submit-a-gem-duplicateSubdomain Text duplicate Submit A Gem
/retailer-lookupSubdomain Text duplicate LIST YOUR STORE
https://store.gia.edu/External Subdomain Text duplicate GIA Store
https://www.gia.edu/mygiaSubdomain Text duplicate My GIA
http://gemkids.gia.edu/New window External Subdomain No Text
/gem-encyclopediaSubdomain Text duplicate Gem Encyclopedia
https://www.gia.edu/birthstonesSubdomain Text duplicate Birthstones
/gia-gubelin-gem-project-researchSubdomain Text duplicate GIA's Gübelin Gem Project
https://www.gia.edu/gem-labSubdomain Text duplicate Analysis & Grading
/report-check-landing?locale=e...Subdomain Text duplicate Report Check
/submit-a-gem-duplicateSubdomain Text duplicate Submit A Gem
/gem-lab-return-datesSubdomain Text duplicate Return Dates
https://www.gia.edu/facetwareSubdomain Text duplicate GIA Facetware®
/gia-instrumentsSubdomain Text duplicate GIA Instruments
/opening-a-lab-accountSubdomain Text duplicate Open Laboratory Account
/gem-lab-fee-scheduleSubdomain Text duplicate Laboratory Service Fees
/gem-lab-service/diamond-gradingSubdomain Text duplicate Natural Diamonds
/gem-lab-service/colored-diamondSubdomain Text duplicate Natural Colored Diamonds
/gem-lab-service/synthetic-dia...Subdomain Text duplicate Laboratory-Grown Diamonds
/gem-lab-service/colored-stoneSubdomain Text duplicate Colored Stones
/gem-lab-service/pearlSubdomain Text duplicate Pearls
/gem-education/overviewSubdomain Text duplicate Overview
https://campus-tour.gia.edu/External Subdomain Text duplicate Carlsbad Campus Virtual Tour
/gem-education/program-graduat...Subdomain Text duplicate Graduate Gemologist®
/gem-education/program-graduat...Subdomain Text duplicate Graduate Diamonds
/gem-education/program-graduat...Subdomain Text duplicate Graduate Colored Stones
/gem-education/program-graduat...Subdomain Text duplicate Graduate Jeweler
/gem-education/program-jewelry...Subdomain Text duplicate Jewelry Design & Technology
/gem-education/program-jewelry...Subdomain Text duplicate Comprehensive CAD/CAM For Jewelry
/gem-education/program-jewelry...Subdomain Text duplicate Jewelry Design
/gem-education/bangkok/overviewSubdomain Text duplicate Bangkok
/gem-education/carlsbad/overviewSubdomain Text duplicate Carlsbad
/gem-education/hong-kong/overviewSubdomain Text duplicate Hong Kong
/gem-education/london/overviewSubdomain Text duplicate London
/gem-education/mumbai/overviewSubdomain Text duplicate Mumbai
/gem-education/new-york/overviewSubdomain Text duplicate New York
/gem-education/taipei/overviewSubdomain Text duplicate Taipei
/gem-education/campusesSubdomain Anchor Text duplicate Other Locations
/gem-education/online-division...Subdomain Text duplicate Overview
/gem-education/online-graduate...Subdomain Text duplicate Graduate Gemologist Online Diploma
/gem-education/online-graduate...Subdomain Text duplicate Graduate Diamonds Online Diploma
/gem-education/online-graduate...Subdomain Text duplicate Graduate Colored Stones Online Diploma
/gem-education/online-graduate...Subdomain Text duplicate Graduate Pearls Online Diploma
/gem-education/online-applied-...Subdomain Text duplicate Applied Jewelry Professional™ Online Diploma
/gem-education/course-jewelry-...Subdomain Text duplicate Jewelry Essentials
/gem-education/course-color-ge...Subdomain Text duplicate Colored Stone Essentials
/gem-education/course-diamond-...Subdomain Text duplicate Diamond Essentials
/gem-education/course-pearlSubdomain Text duplicate Pearls
/gem-education/course-color-gemSubdomain Text duplicate Colored Stones
/gem-education/course-diamondSubdomain Text duplicate Diamonds & Diamond Grading
/gem-education/course-gem-identSubdomain Text duplicate Gem Identification
/gem-education/course-color-ge...Subdomain Text duplicate Colored Stone Grading Lab
/gem-education/course-diamond-...Subdomain Text duplicate Diamond Grading Lab
/gem-education/course-gem-iden...Subdomain Text duplicate Gem Identification Lab
/gem-education/course-pearl-gr...Subdomain Text duplicate Pearl Grading Lab
/gem-education/admissionsSubdomain Text duplicate Admissions
/gem-education/schedulesSubdomain Text duplicate Schedules
/gem-education/tuition-feesSubdomain Text duplicate Tuition & Fees
https://www.gia.edu/gem-careersSubdomain Text duplicate CAREER PATHS
https://www.gia.edu/career-fairSubdomain Text duplicate Career Fair
/careers-in-gems-jewelrySubdomain Text duplicate Gem & Jewelry Careers
/student-financial-assistance-...Subdomain Text duplicate Financial Assistance & Scholarships
/student-consumer-informationSubdomain Text duplicate Student Consumer Information
https://collective.gia.edu/col...New window External Subdomain Text duplicate Continuing Education
/alumni-redirect?uri=https://c...New window Subdomain Text duplicate Alumni Collective
https://collective.gia.edu/col...New window External Subdomain Text duplicate Continuing Education
https://www.gia.edu/researchSubdomain Text duplicate GIA Research
/gia-news-researchSubdomain Text duplicate News & Articles
https://www.gia.edu/gems-gemologySubdomain Text duplicate Gems & Gemology Journal
https://www.gia.edu/librarySubdomain Text duplicate Library
https://www.gia.edu/gia-aboutSubdomain Text duplicate About GIA
/event-listingsSubdomain Text duplicate Events
https://www.gia.edu/pressroomSubdomain Text duplicate Pressroom
https://www.gia.edu/gia-museumSubdomain Text duplicate Museum
/gia-support-donate-oldSubdomain Text duplicate Donating to GIA
/gia-about-mission-governance-esgSubdomain Text duplicate Mission, Governance & ESG
https://www.gia.edu/gia-careerSubdomain Text duplicate Careers at GIA
https://www.gia.edu/gia-faqSubdomain Text duplicate FAQs
https://www.gia.edu/locationsSubdomain Text duplicate Locations
https://www.gia.edu/contactusSubdomain Text duplicate Contact Us
/birthstones/october-birthstonesSubdomain Learn More
https://www.gia.edu/promotionsNew window Subdomain Text duplicate Learn More
/promotions?utm_campaign=cs-vo...Subdomain Anchor Text duplicate Learn More
https://www.gia.edu/gems-gemologySubdomain Trivial anchor text
READ MORE
/gia-news-research/field-gemol...Subdomain Trivial anchor text
Read More
/gems-gemology/summer-2024-gia...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-lab...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-mic...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-col...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-gem...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-in-...Subdomain Text duplicate Trivial anchor text
Read More
/gems-gemology/summer-2024-mic...Subdomain Text duplicate Trivial anchor text
Read More
/gia-news-research-purchase-di...Subdomain Learn How To Buy Engagement Rings
https://discover.gia.edu/diamo...External Subdomain Discover Diamond Origin
/submit-a-gem-duplicateSubdomain Use our labs to Verify a Stone
http://www.gia.edu/gems-gemologySubdomain Download Gems & Gemology
https://www.gia.edu/peridotSubdomain Peridot Found in lava, meteorites, and deep in the earth’s mantle, yellow-green peridot is the extreme gem.
IMG-ALT Featured Gem Peridot
/fancy-color-diamond/gem-overviewSubdomain Fancy Color Diamond Dazzling brilliance. Captivating color. These are the planet’s most valued gems.
IMG-ALT Fancy Color Diamond
https://www.gia.edu/diamondSubdomain Diamond Diamonds are among nature’s most precious and beautiful creations.
IMG-ALT Diamond
https://www.gia.edu/emeraldSubdomain Emerald Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine.
IMG-ALT Emerald Bluish Green Stone
https://www.gia.edu/citrineSubdomain Citrine Citrine is the transparent, pale yellow to brownish orange variety of quartz.
IMG-ALT Featured Gem Citrine
/gem-encyclopediaSubdomain View the Gem Encyclopedia
/retailer-lookupSubdomain learn more
https://www.gia.edu/storeSubdomain Text duplicate Learn More
/subscribe-knowledge-rocksSubdomain Text duplicate Learn More
/diamond-origin-report-serviceSubdomain Learn more
https://www.gia.edu/Anchor Back to top
https://www.gia.edu/homeSubdomain IMG-ALT GIA
/gem-encyclopediaSubdomain Text duplicate Gem Encyclopedia
https://www.gia.edu/gem-educationSubdomain Education
https://www.gia.edu/gia-researchSubdomain Research & News
https://www.gia.edu/gem-labSubdomain Text duplicate Analysis & Grading
https://www.gia.edu/gia-aboutSubdomain Text duplicate About GIA
https://www.gia.edu/instrumentsSubdomain Text duplicate GIA Instruments
http://retailer.gia.edu/External Subdomain Retailer Support
https://store.gia.edu/External Subdomain Text duplicate GIA Store
https://www.gia.edu/gia-faqSubdomain Text duplicate FAQs
https://www.gia.edu/pressroomSubdomain Text duplicate Pressroom
http://gemkids.gia.edu/New window External Subdomain GemKids Website
/alumni-redirect?uri=https://c...New window Subdomain Text duplicate Alumni Collective
/quality-assurance-benchmarkSubdomain Quality Assurance Benchmarks for Jewelry
https://4cs.gia.edu/en-us/External Subdomain 4Cs of Diamond Quality
/student-consumer-informationSubdomain Text duplicate Student Consumer Information
/careers-in-gems-jewelrySubdomain Text duplicate Gem & Jewelry Careers
https://www.gia.edu/gia-careerSubdomain Text duplicate Careers at GIA
https://www.gia.edu/locationsSubdomain Text duplicate Locations
https://secure.ethicspoint.com...External Subdomain Report A Concern
/gia-support-donate-oldSubdomain Support GIA
https://www.gia.edu/contactusSubdomain Text duplicate Contact Us
/report-data-servicesSubdomain Developer APIs
https://www.gia.edu/subscribeSubdomain Email Preferences
https://onelink.to/p9cacuExternal Download the New GIA App
https://www.facebook.com/GIAEd...New window External Subdomain A-TITLE Follow on Facebook
https://www.linkedin.com/compa...New window External Subdomain A-TITLE Follow on LinkedIn
https://www.pinterest.com/gemo...New window External Subdomain A-TITLE Follow on Pinterest
https://www.youtube.com/@Gemol...New window External Subdomain A-TITLE Follow on YouTube
https://instagram.com/giagramsNew window External A-TITLE Follow on Instagram
http://gemkids.gia.edu/New window External Subdomain No Text
/home?mkt_tok=odq1lvdfts02mzya...Subdomain Text duplicate English (US)
/CN?mkt_tok=odq1lvdfts02mzyaaa...Subdomain Text duplicate 简体中文
/JP?mkt_tok=odq1lvdfts02mzyaaa...Subdomain Text duplicate 日本語
/copyrights-trademarksSubdomain Copyrights and Trademarks
/privacy-noticeSubdomain Privacy Notice
https://www.gia.edu/terms-of-useSubdomain Terms of Use
https://www.gia.edu/cookie-policySubdomain Cookie Policy
/ethics-complianceSubdomain Ethics and Compliance
https://transparency-in-covera...External Subdomain Transparency in Coverage Rule
/about-this-siteSubdomain About This Site

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.gia.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 very slow (10.05 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 (195 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
x-content-type-optionsnosniff
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            www.gia.edu
Gemological Institute Of America | All About Gemstones - GIA

Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
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Following keywords were found. You can check the keyword optimization of this page for each keyword.
KeywordResultRecheck
GIA82%Check
Gem72%Check
Gem Jewelry60%Check
Gems59%Check
Stone59%Check
Lab58%Check
Gem Identification56%Check
Research54%Check
Gem Encyclopedia54%Check
Gem Materials54%Check
  
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