Gia.edu - SEO Check

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Übersicht der SEO Analyse
Metaangaben
100% 
Seitenqualität
86% 
Seitenstruktur
75% 
Verlinkung
22% 
Server
95% 
Externe Faktoren
100% 
SEO Score
Antwortzeit
8,04 s
Dateigröße
201,30 kB
Wörter
1260
Medien
44
Anzahl Links
213 Intern / 27 Extern

To-do Liste mit SEO Optimierungen

Meta-Angaben im HTML

Titel
(Extrem wichtig)
Gemological Institute Of America | All About Gemstones - GIA
Die Länge des Titels ist optimal. (550 Pixel von maximal 580 Pixel Länge)
Es gibt keine Wortwiederholungen im Titel.
Meta-Description
(Extrem wichtig)
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Die Meta-Description hat eine optimale Länge. (944 Pixel von maximal 1000 Pixel Länge)
Crawlbarkeit
(Extrem wichtig)
Es gibt keine Probleme beim Zugriff auf die Webseite.
Canonical Link
(Wichtig)
Es ist kein Canonical Link angegeben.
Sprache
(Wenig wichtig)
Im Text erkannte Sprache: en
Im HTML angegebene Sprache: en
Serverstandort: Deutschland
Die Sprache wird im HTML Code wie folgt angegeben: en
Alternate/Hreflang Links
(Wenig wichtig)
Die Seite nutzt keine Alternate Links.
Weitere Metatags
(Wenig wichtig)
Es gibt keinen rel next Meta Tag auf der Seite.
Es gibt keinen rel prev Meta Tag auf der Seite.
Domain
(Wenig wichtig)
Die Domain ist keine Subdomain.
Die Länge der Domain ist gut.
Die Domain enthält keine Umlaute.
Seiten URL
(Wenig wichtig)
In der URL wurden keine Parameter entdeckt.
In der URL wurde keine Session ID entdeckt.
Die URL hat nicht zu viele Unterverzeichnisse.
Zeichensatzkodierung
(Wenig wichtig)
Die Angaben zur Zeichensatzkodierung (UTF-8) sind fehlerfrei.
Doctype
(Nice to have)
Die Doctype Angabe HTML 5 ist korrekt angegeben.
Die Doctype Angabe befindet sich an erster Stelle im HTML-Code.
Favicon
(Nice to have)
Das Favoriten Icon (Favicon) ist korrekt verlinkt.

Meta Tags

NameWert
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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Seitenqualität

Inhalt
(Extrem wichtig)
Der Inhalt ist mit 1260 Wörtern in Ordnung.
Der Text besteht zu 20% aus Füllwörtern.
Worte aus dem Titel werden im Text wiederholt.
Im Text befindet sich eine Aufzählung, dies deutet auf eine gute Textstruktur hin.
Es wurden 13 Fließtextblöcke auf der Seite gefunden.
Der Text auf der Seite ist optimal.
Es wurden keine Platzhalter Texte bzw. Bilder gefunden.
Es befinden sich keine Duplikate auf der Seite.
Die durchschnittliche Satzlänge ist mit 23.5 Wörtern gut.
Frames
(Extrem wichtig)
Die Seite hat kein Frameset.
Mobile
(Wenig wichtig)
Es ist kein Apple-Touch Icon angegeben.
Der angegebene Viewport (width=device-width, initial-scale=1, shrink-to-fit=no) ist korrekt.
Bold- und Strongtags
(Wenig wichtig)
Die Nutzung von Strong- und Bold-Tags ist optimal. Wir empfehlen für diese Webseite die Verwendung von bis zu 25 Tags.
Bilder Optimierung
(Wenig wichtig)
Bei 13 Bildern fehlt das Alt-Attribut. Der Inhalt von Alt-Attributen wird von Suchmaschinen auch als Text gewertet und ist wichtig für die Bildersuche.
Soziale Vernetzung
(Nice to have)
Es befinden sich wenige Social-Sharing Möglichkeiten auf der Seite. Mit Plugins zum Teilen kann die Reichweite der Seite in sozialen Netzwerken erhöht werden.
Zusätzliches Markup
(Nice to have)
Es wurde kein zusätzliches Markup gefunden.
HTTPS
(Wenig wichtig)
Die Seite verwendet HTTPS um Daten sicher zu übertragen.
Alle eingebundenen Dateien werden ebenfalls über HTTPS ausgeliefert.

Medienliste

URLALT-AttributeTitel
...s/img/global-header/desktop/gia-logo.svgGIA Logo Home
...g/global-header/mobile/language-icon.svgKein ALT-Attribut angegeben
...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.svgKein ALT-Attribut angegeben
/img/global-header/desktop/down-toggle.svgKein ALT-Attribut angegeben
/img/global-header/desktop/down-toggle.svgKein ALT-Attribut angegeben
/img/global-header/desktop/down-toggle.svgKein ALT-Attribut angegeben
/img/global-header/desktop/down-toggle.svgKein ALT-Attribut angegeben
/img/global-header/desktop/down-toggle.svgKein ALT-Attribut angegeben
...A-Homepage-Hero-Banner-Desktop-FINAL.pngJCK 2025 Homepage Hero
...1920x550-May-Birthstone-Hero-Desktop.pngMay Birthstone
...bs&blobwhere=1495895554677&ssbinary=trueReduced Fees Homepage Hero
/images/wn24-gg-banner-1920x550.jpgWN24 GG Issue Cover
...ges/WN24-Ulrika-Fig6A-F-329371-636px.jpgFigure 6. This selection of deep-UV fluorescence images of natural diamonds highlights the wide range of potential emission patterns and colors that can be observed, evidence of diamond’s unique growth and residence history. E: Most natural type II diamonds show blue fluorescence with mosaic-like polygonized dislocation patterns, differing from characteristic type II CVD- or HPHT-grown diamond patterns (compare with figures 8–10). Images by Garrett Koneval (A), Najmeh Anjomani (B), Wuyi Wang (C), Christopher Vendrell (D), Ulrika F.S. D’Haenens-Johansson (E), and Sandeep Kabariya (F).Figure 6. This selection of deep-UV fluorescence images of natural diamonds highlights the wide range of potential emission patterns and colors that can be observed, evidence of diamond’s unique growth and residence history. E: Most natural type II diamonds show blue fluorescence with mosaic-like polygonized dislocation patterns, differing from characteristic type II CVD- or HPHT-grown diamond patterns (compare with figures 8–10). Images by Garrett Koneval (A), Najmeh Anjomani (B), Wuyi Wang (C), Christopher Vendrell (D), Ulrika F.S. D’Haenens-Johansson (E), and Sandeep Kabariya (F).
...s/SU24-Magana-Fig1-composite.png-300.pngCVD diamond plate and HPHT laboratory grown diamondCVD diamond plate and HPHT laboratory grown diamond
...bs&blobwhere=1495894334213&ssbinary=trueHand holding demantoid garnet rough in matrix. Hand holding demantoid garnet rough in matrix.
/images/WN24-Shigley-Fig1-328978-300px.jpgFigure 1. Dr. Vince Manson using GIA’s first scanning electron microscope, acquired in 1976.Figure 1. Dr. Vince Manson using GIA’s first scanning electron microscope, acquired in 1976.
.../WN24-Renfro-FigB-2-ruby-13889-300px.jpgFigure B-2. The absorption spectrum of a synthetic ruby measured using a CCD spectrometer is compared to the view in a spectroscope.Figure B-2. The absorption spectrum of a synthetic ruby measured using a CCD spectrometer is compared to the view in a spectroscope.
...ges/WN24-Breeding-Fig9-diamond-300px.jpgFigure 9. FTIR spectra for most minerals are distinctive, such as those for diamond and corundum.Figure 9. FTIR spectra for most minerals are distinctive, such as those for diamond and corundum.
/images/WN24-Magana-Fig1-329063-300px.jpgFigure 1. Microscope-assisted photoluminescence spectroscopy is an important technique for collecting data in gemological research and identification. Here, a 514 nm laser illuminates a sapphire sample at room temperature, creating red luminescence caused by trace amounts of chromium. Photo by Kevin Schumacher.Figure 1. Microscope-assisted photoluminescence spectroscopy is an important technique for collecting data in gemological research and identification. Here, a 514 nm laser illuminates a sapphire sample at room temperature, creating red luminescence caused by trace amounts of chromium. Photo by Kevin Schumacher.
/images/WN24-Jin-Fig10-329005-300px.jpgFigure 10. An old Debye-Scherrer camera formerly used at GIA. A faceted chrome diopside is mounted on a Gandolfi stage that rotates the gem around two intersecting axes to randomize its orientation during data collection. The X-ray beam is directed to the culet of the gemstone by the collimator on the left. A strip of X-ray film lines the inside of the camera to collect the diffraction pattern from the gemstone. The XRD pattern shown in figure 9C was taken using a similar device. Photo by Kevin Schumacher.Figure 10. An old Debye-Scherrer camera formerly used at GIA. A faceted chrome diopside is mounted on a Gandolfi stage that rotates the gem around two intersecting axes to randomize its orientation during data collection. The X-ray beam is directed to the culet of the gemstone by the collimator on the left. A strip of X-ray film lines the inside of the camera to collect the diffraction pattern from the gemstone. The XRD pattern shown in figure 9C was taken using a similar device. Photo by Kevin Schumacher.
/images/WN24-Palke-FigA-1-329387-300px.jpgFigure A-1. The Horiba Mesa-50 XRF is used by GIA’s laboratories. Gemstones and jewelry pieces can be placed on top of the testing window. A laptop is connected to the testing unit, and the system also has a built-in camera that allows the user to adjust the position of the X-ray beam on the sample. Photo by Kevin Schumacher.Figure A-1. The Horiba Mesa-50 XRF is used by GIA’s laboratories. Gemstones and jewelry pieces can be placed on top of the testing window. A laptop is connected to the testing unit, and the system also has a built-in camera that allows the user to adjust the position of the X-ray beam on the sample. Photo by Kevin Schumacher.
/images/WN24-Ulrika-Fig1AB-329367-300px.jpgFigure 1. Burmese ruby and diamond necklace and earrings under long-wave ultraviolet illumination, revealing an alluring fluorescence response. Courtesy of a private collector and Mona Lee Nesseth, Custom Estate Jewels. Photo by Robert Weldon.Figure 1. Burmese ruby and diamond necklace and earrings under long-wave ultraviolet illumination, revealing an alluring fluorescence response. Courtesy of a private collector and Mona Lee Nesseth, Custom Estate Jewels. Photo by Robert Weldon.
/images/WN24-Zhou-Fig9-329346-300px.jpgFigure 9. A section of a multi-strand necklace containing natural saltwater pearls from Pinctada species. Various natural growth structures can be found inside these pearls with X-ray microradiography.Figure 9. A section of a multi-strand necklace containing natural saltwater pearls from Pinctada species. Various natural growth structures can be found inside these pearls with X-ray microradiography.
/images/WN24-Nelson-Fig5-328989-300px.jpgFigure 5. A GIA metrologist uses a calibrated standard to verify instrument performance. Photo by Kevin Schumacher.Figure 5. A GIA metrologist uses a calibrated standard to verify instrument performance. Photo by Kevin Schumacher.
/images/WN24-Ahline-Fig1-329298-300px.jpgFigure 1. A red gemstone set table-down in a noncontact optical measurement device. Photo by Annie Haynes.Figure 1. A red gemstone set table-down in a noncontact optical measurement device. Photo by Annie Haynes.
...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
...verge-Conference-Logo_216x122_YMAL_1.jpgRegister Now for ConvergeRegister Now for Converge
...ette-woman-with-loupe_216x122_YMAL_2.jpgLearn About Education On Campus and OnlineLearn About Education On Campus and Online
...GIA-Diamond-Side-View_216x122_YMAL_3.jpgExplore GIA Laboratory Promotional OffersExplore GIA Laboratory Promotional Offers
...alt-image-with-gray-background-FINAL.jpgShop the GIA StoreShop the GIA Store
/assets/img/icons/down-toggle.svgKein ALT-Attribut angegeben
/img/global-footer/gia-logo-full.svgGIAGIA
/img/footer/social-fb-small-bw.pngKein ALT-Attribut angegeben
/img/footer/social-linkedin-small-bw.pngKein ALT-Attribut angegeben
/img/footer/pinterest-logo-b-w.pngKein ALT-Attribut angegeben
/img/footer/social-youtube-small-bw.pngKein ALT-Attribut angegeben
/img/footer/social-instagram-small-bw.pngKein ALT-Attribut angegeben
/assets/img/global-footer/language-icon.svgChange Language iconChange Language icon

Seitenstruktur

H1 Überschrift
(Extrem wichtig)
Es ist keine H1-Überschrift definiert.
Überschriften
(Wichtig)
Die Überschriftenstruktur ist fehlerhaft. Es sollte keine Hierarchie (H1-H6) ausgelassen werden.
Einige Überschriften haben keinen Inhalt.

Überschriftenstruktur

Überschriften HierarchieInhalt
H2 Please choose a language
H2 Leere Überschrift
H2 Research & News
H3 Visit Us at JCK 2025
H3 Emerald: The Gem of Wisdomand Serenity
H3 Two Limited-Time Offers: Reduced Fees on Diamond Update Services & GIA Diamond Dossier® 20% Off
H3 Advanced Gemological Testing
H3 Learn & Connect
H3 Featured Gems
H3 You Might Also Like
H4 Be there for the debut of GIA’s two new groundbreaking products.
H4 May Birthstone
H4 Available at all GIA locations.
H4 New Gems & Gemology Issue
H5 Join Us at Converge
H5 Learn About Education On Campus and Online
H5 Explore GIA Laboratory Promotional Offers
H5 Shop the GIA Store
H6 Peridot
H6 Fancy Color Diamond
H6 Diamond
H6 Emerald
H6 Citrine
Die internen Links haben teilweise dynamische Parameter. Alle internen URLs, welche nicht als nofollow markiert sind, sollten keine dynamischen Parameter aufweisen.
Einige der Linktexte wiederholen sich.
Es gibt 14 Links mit einem trivialem Linktext.
Die Anzahl an internen Links ist ok.
Keiner der Linktexte ist zu lang.
Es befinden sich zu viele externe Links (27) auf der Seite.

Gefundene Links auf dieser Seite

LinkAttributeLinktext
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/Extern 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 Textduplikat 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™ Professional Development 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 Textduplikat Pearls
/gem-education/course-color-gemSubdomain Textduplikat 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
/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...Neues Fenster Extern Subdomain Continuing Education
/alumni-redirect?uri=https://c...Neues Fenster Subdomain Alumni Collective
https://collective.gia.edu/col...Neues Fenster Extern Subdomain Textduplikat 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-donateSubdomain Donating to GIA
/gia-about-mission-governance-esgSubdomain Mission, Governance and Impact
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/Neues Fenster Extern Subdomain Kein Text
/report-check-landing?locale=e...Subdomain Textduplikat Report Check
/submit-a-gem-duplicateSubdomain Textduplikat Submit A Gem
/retailer-lookupSubdomain LIST YOUR STORE
https://store.gia.edu/Extern Subdomain GIA Store
https://www.gia.edu/mygiaSubdomain My GIA
https://www.gia.edu/contactusSubdomain Textduplikat Contact Us
https://www.gia.edu/locationsSubdomain Textduplikat 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 Textduplikat IMG-ALT GIA Logo Home
/report-check-landing?locale=e...Subdomain Textduplikat Report Check
/submit-a-gem-duplicateSubdomain Textduplikat Submit A Gem
/retailer-lookupSubdomain Textduplikat LIST YOUR STORE
https://store.gia.edu/Extern Subdomain Textduplikat GIA Store
https://www.gia.edu/mygiaSubdomain Textduplikat My GIA
http://gemkids.gia.edu/Neues Fenster Extern Subdomain Kein Text
/gem-encyclopediaSubdomain Textduplikat Gem Encyclopedia
https://www.gia.edu/birthstonesSubdomain Textduplikat Birthstones
/gia-gubelin-gem-project-researchSubdomain Textduplikat GIA's Gübelin Gem Project
https://www.gia.edu/gem-labSubdomain Textduplikat Analysis & Grading
/report-check-landing?locale=e...Subdomain Textduplikat Report Check
/submit-a-gem-duplicateSubdomain Textduplikat Submit A Gem
/gem-lab-return-datesSubdomain Textduplikat Return Dates
https://www.gia.edu/facetwareSubdomain Textduplikat GIA Facetware®
/gia-instrumentsSubdomain Textduplikat GIA Instruments
/opening-a-lab-accountSubdomain Textduplikat Open Laboratory Account
/gem-lab-fee-scheduleSubdomain Textduplikat Laboratory Service Fees
/gem-lab-service/diamond-gradingSubdomain Textduplikat Natural Diamonds
/gem-lab-service/colored-diamondSubdomain Textduplikat Natural Colored Diamonds
/gem-lab-service/synthetic-dia...Subdomain Textduplikat Laboratory-Grown Diamonds
/gem-lab-service/colored-stoneSubdomain Textduplikat Colored Stones
/gem-lab-service/pearlSubdomain Textduplikat Pearls
/gem-education/overviewSubdomain Textduplikat Overview
https://campus-tour.gia.edu/Extern Subdomain Textduplikat Carlsbad Campus Virtual Tour
/gem-education/program-graduat...Subdomain Textduplikat Graduate Gemologist®
/gem-education/program-graduat...Subdomain Textduplikat Graduate Diamonds
/gem-education/program-graduat...Subdomain Textduplikat Graduate Colored Stones
/gem-education/program-graduat...Subdomain Textduplikat Graduate Jeweler
/gem-education/program-jewelry...Subdomain Textduplikat Jewelry Design & Technology
/gem-education/program-jewelry...Subdomain Textduplikat Comprehensive CAD/CAM For Jewelry
/gem-education/program-jewelry...Subdomain Textduplikat Jewelry Design
/gem-education/bangkok/overviewSubdomain Textduplikat Bangkok
/gem-education/carlsbad/overviewSubdomain Textduplikat Carlsbad
/gem-education/hong-kong/overviewSubdomain Textduplikat Hong Kong
/gem-education/london/overviewSubdomain Textduplikat London
/gem-education/mumbai/overviewSubdomain Textduplikat Mumbai
/gem-education/new-york/overviewSubdomain Textduplikat New York
/gem-education/taipei/overviewSubdomain Textduplikat Taipei
/gem-education/campusesSubdomain Anchor Textduplikat Other Locations
/gem-education/online-division...Subdomain Textduplikat Overview
/gem-education/online-graduate...Subdomain Textduplikat Graduate Gemologist Online Diploma
/gem-education/online-graduate...Subdomain Textduplikat Graduate Diamonds Online Diploma
/gem-education/online-graduate...Subdomain Textduplikat Graduate Colored Stones Online Diploma
/gem-education/online-graduate...Subdomain Textduplikat Graduate Pearls Online Diploma
/gem-education/online-applied-...Subdomain Textduplikat Applied Jewelry Professional™ Professional Development Diploma
/gem-education/course-jewelry-...Subdomain Textduplikat Jewelry Essentials
/gem-education/course-color-ge...Subdomain Textduplikat Colored Stone Essentials
/gem-education/course-diamond-...Subdomain Textduplikat Diamond Essentials
/gem-education/course-pearlSubdomain Textduplikat Pearls
/gem-education/course-color-gemSubdomain Textduplikat Colored Stones
/gem-education/course-diamondSubdomain Textduplikat Diamonds & Diamond Grading
/gem-education/course-gem-identSubdomain Textduplikat Gem Identification
/gem-education/course-color-ge...Subdomain Textduplikat Colored Stone Grading Lab
/gem-education/course-diamond-...Subdomain Textduplikat Diamond Grading Lab
/gem-education/course-gem-iden...Subdomain Textduplikat Gem Identification Lab
/gem-education/course-pearl-gr...Subdomain Textduplikat Pearl Grading Lab
/gem-education/admissionsSubdomain Textduplikat Admissions
/gem-education/schedulesSubdomain Textduplikat Schedules
/gem-education/tuition-feesSubdomain Textduplikat Tuition & Fees
https://www.gia.edu/gem-careersSubdomain Textduplikat CAREER PATHS
/careers-in-gems-jewelrySubdomain Textduplikat Gem & Jewelry Careers
/student-financial-assistance-...Subdomain Textduplikat Financial Assistance & Scholarships
/student-consumer-informationSubdomain Textduplikat Student Consumer Information
https://collective.gia.edu/col...Neues Fenster Extern Subdomain Textduplikat Continuing Education
/alumni-redirect?uri=https://c...Neues Fenster Subdomain Textduplikat Alumni Collective
https://collective.gia.edu/col...Neues Fenster Extern Subdomain Textduplikat Continuing Education
https://www.gia.edu/researchSubdomain Textduplikat GIA Research
/gia-news-researchSubdomain Textduplikat News & Articles
https://www.gia.edu/gems-gemologySubdomain Textduplikat Gems & Gemology Journal
https://www.gia.edu/librarySubdomain Textduplikat Library
https://www.gia.edu/gia-aboutSubdomain Textduplikat About GIA
/event-listingsSubdomain Textduplikat Events
https://www.gia.edu/pressroomSubdomain Textduplikat Pressroom
https://www.gia.edu/gia-museumSubdomain Textduplikat Museum
/gia-support-donateSubdomain Textduplikat Donating to GIA
/gia-about-mission-governance-esgSubdomain Textduplikat Mission, Governance and Impact
https://www.gia.edu/gia-careerSubdomain Textduplikat Careers at GIA
https://www.gia.edu/gia-faqSubdomain Textduplikat FAQs
https://www.gia.edu/locationsSubdomain Textduplikat Locations
https://www.gia.edu/contactusSubdomain Textduplikat Contact Us
/jck?utm_source=direct&utm_med...Subdomain Learn More
/birthstones/may-birthstonesSubdomain LEARN MORE
https://www.gia.edu/promotionsSubdomain Textduplikat Learn More
https://www.gia.edu/gems-gemologySubdomain Trivialer Linktext
READ MORE
/gia-news-research/gems-gemolo...Subdomain Trivialer Linktext
Read More
/gia-news-research/gems-gemolo...Subdomain Textduplikat Trivialer Linktext
Read More
/gia-news-research/field-gemol...Subdomain Textduplikat Trivialer Linktext
Read More
/gems-gemology/winter-2024-ana...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-uv-...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-inf...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-pho...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-ram...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-che...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-flu...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-x-r...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-met...Subdomain Textduplikat Trivialer Linktext
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/gems-gemology/winter-2024-gem...Subdomain Textduplikat Trivialer Linktext
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/gia-news-research-purchase-di...Subdomain Learn How To Buy Engagement Rings
https://discover.gia.edu/diamo...Extern 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
https://www.convergeevent.com/...Extern Subdomain Register Now
/gem-education/overview?utm_so...Subdomain Textduplikat Learn More
/promotions?utm_source=direct&...Subdomain learn more
https://store.gia.edu/?utm_sou...Extern Subdomain Shop Now
https://www.gia.edu/Anchor Back to top
/gem-encyclopediaSubdomain Textduplikat Gem Encyclopedia
https://www.gia.edu/gem-educationSubdomain Education
https://www.gia.edu/gia-researchSubdomain Research & News
https://www.gia.edu/gem-labSubdomain Textduplikat Analysis & Grading
https://www.gia.edu/gia-aboutSubdomain Textduplikat About GIA
/gia-instrumentsSubdomain Textduplikat GIA Instruments
http://retailer.gia.edu/Extern Subdomain Retailer Support
https://store.gia.edu/Extern Subdomain Textduplikat GIA Store
https://www.gia.edu/gia-faqSubdomain Textduplikat FAQs
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https://www.gia.edu/locationsSubdomain Textduplikat Locations
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https://onelink.to/p9cacuExtern Download the New GIA App
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https://www.linkedin.com/compa...Neues Fenster Extern Subdomain A-TITLE Follow on LinkedIn
https://www.pinterest.com/gemo...Neues Fenster Extern Subdomain A-TITLE Follow on Pinterest
https://www.youtube.com/@Gemol...Neues Fenster Extern Subdomain A-TITLE Follow on YouTube
https://instagram.com/giagramsNeues Fenster Extern A-TITLE Follow on Instagram
http://gemkids.gia.edu/Neues Fenster Extern Subdomain Kein Text
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https://www.gia.edu/terms-of-useSubdomain Terms of Use
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/about-this-siteSubdomain About This Site

Serverkonfiguration

HTTP-Weiterleitungen
(Extrem wichtig)
Die Seite leitet weiter auf "https://www.gia.edu/"
HTTP-Header
(Wichtig)
Es wird kein X-Powered HTTP-Header mitgesendet.
Der Webserver überträgt die Webseite (HTML) komprimiert.
Performance
(Wenig wichtig)
Die Antwortzeit der HTML-Seite ist mit 8,04 Sekunden extrem langsam. Ein angepeiltes Ziel sollten 0,4 Sekunden sein. Suchmaschinen-Crawler können sonst Inhalte nicht so schnell aufnehmen und auch Besucher erwarten eine schnelle Webseite.
Die Dateigröße des HTML-Dokuments ist mit 201 kB in Ordnung.

HTTP-Header

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Externe Faktoren

Die Seite wird von Wikipedia verlinkt.
Die Seite ist exzellent von anderen Webseiten verlinkt.
Die Seite hat Backlinks von 3.731 verweisenden Domains.
Die Seite hat insgesamt 4.367.378 Backlinks.
Die Seite hat Backlinks von 2.438 verschiedenen IP Adressen.

Links von Wikipedia

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Robots.txt

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Suchvorschau

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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