4cs.gia.edu
Registrert
Sideanalyseoppdateringsdato:
2026/05/29 20:20:30
Siste whois-oppdateringsdato:
2026/07/16 13:41:44
Domenestatus
Registrert
Betalt t.o.m
31.07.2027
Tilgjengelig fra
30.08.2027
×
![Skjermbilde av nettstedet i fullskjerm]()
4cs.gia.edu Skjermbilde av nettstedet
SEO-poengsum
61.64%
90
Poeng oppnådd
146
Maksimal poengsum
Hovedinformasjon
Tittel: Home | GIA 4Cs
Beskrivelse: empty
Nøkkelord: empty
Sidekoding:
utf-8
Sidefilstørrelse: 548 KB
Serverinformasjon
IP: 23.50.131.137
Sted: Germany,DE,Frankfurt am Main,60313,50.1169,8.6837,Europe/Berlin
Http-server: apache
Koding: utf-8
Metatags liste
- charset: UTF-8
- name: viewport content: width=device-width, initial-scale=1.0, viewport-fit=cover
- name: robots content: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- property: og:locale content: en_US
- property: og:locale:alternate content: zh_CN
- property: og:locale:alternate content: zh_HK
- property: og:locale:alternate content: ja_JP
- property: og:type content: website
- property: og:title content: Home
- property: og:description content: The 4Cs of diamond quality. For nearly 100 years, we’ve provided consistent and unbiased expertise in the diamond industry. As the home of the 4Cs, we are dedicated to educating the industry and most importantly, protecting consumers. Learn how the 4Cs can help you make your next purchase.Learn More The 4Cs of diamond quality. For […]
- property: og:url content: https://4cs.gia.edu/en-us/
- property: og:site_name content: GIA 4Cs
- property: article:modified_time content: 2025-08-06T18:33:11+00:00
- property: og:image content: https://4cs.gia.edu/wp-content/uploads/2024/07/02_50-50-Module_960x800-8.jpg
- property: og:image:width content: 960
- property: og:image:height content: 800
- property: og:image:type content: image/jpeg
- name: generator content: WordPress 6.8.3
- name: generator content: Elementor 3.33.4; features: e_font_icon_svg, additional_custom_breakpoints; settings: css_print_method-internal, google_font-disabled, font_display-swap
- name: apple-itunes-app content: app-id=1623642988
- name: generator content: Powered by Slider Revolution 6.6.14 - responsive, Mobile-Friendly Slider Plugin for WordPress with comfortable drag and drop interface.
- name: msapplication-TileImage content: https://4cs.gia.edu/wp-content/uploads/2016/07/cropped-favicon-300x300.png
Interne lenker
Eksterne lenker
Whois informasjon
update_date: 28-May-2025
update_time: 1748390400
expiration_date: 31-Jul-2027
expiration_time: 1816992000
Whois rådata
This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: GIA.EDU
Registrant:
Gemological Institute of America
5345 Armada Drive
Carlsbad, CA 92008
USA
Administrative Contact:
admin Admin
Gemological Institute of America
5345 Armada Drive
Carlsbad, CA 92008
USA
+1.7606034313
[email protected]
Technical Contact:
admin
Gemological Institute of America
5345 Armada Drive
Carlsbad, CA 92008
USA
+1.7606034313
[email protected]
Name Servers:
A1-7.AKAM.NET
A3-65.AKAM.NET
A11-67.AKAM.NET
A10-66.AKAM.NET
A24-64.AKAM.NET
A6-66.AKAM.NET
Domain record activated: 30-Mar-1996
Domain record last updated: 28-May-2025
Domain expires: 31-Jul-2027
SEO revisjon
Teknisk SEO
✓
Responskode
200
Status 200 OK - siden lastes inn riktig.
✓
Tegnkoding
Page: utf-8, Header: utf-8
Tegnkoding konsistent mellom HTML og overskrifter.
✓
Sidestørrelse
561786 bytes
Sidestørrelse akseptabel for rask lasting.
!
Ressurser
106 total
For mange ressurser. Optimaliser og kombiner filer for bedre ytelse.
✓
Hreflang Tags
5 hreflang tags
Hreflang-tagger funnet for flerspråklig SEO.
!
Robots.txt
Missing
Legg til robots.txt-fil for å kontrollere gjennomsøking av søkemotorer.
!
Sitemap
Not found
Legg til sitemap.xml og referer til det i robots.txt.
✓
HTTPS
Yes
Sikker HTTPS-tilkobling aktivert.
✓
Komprimering
gzip
Gzip eller Zstd-komprimering aktivert for raskere lasting.
✓
Buffer
max-age=0, no-cache, no-store
Bufferkontrollhoder er riktig innstilt.
✓
Sidehastighet
1.73 ms
Utmerket lastehastighet.
On-Page SEO
!
Tittel
Home | GIA 4Cs
Tittelen er for kort. Utvid til 30–60 tegn for bedre SEO.
!
Metabeskrivelse
empty Lenght:5
Metabeskrivelsen er for kort. Utvid til 100–160 tegn.
✓
H1 Overskrift
1 found - "The 4Cs of diamond quality."
Bra - enkelt H1-overskrift funnet.
✓
Ordtelling
954
God innholdslengde (500-2000 ord anbefales).
!
Kanonisk merkelapp
Legg til kanonisk tag for å forhindre problemer med duplisert innhold.
!
Dupliser Meta
{"generator":3}
Fjern dupliserte metakoder for å unngå konflikter.
✓
Nøkkelord
empty
Meta nøkkelord satt (merk: brukes ikke av store søkemotorer).
Innhold og UX
✓
Språk
en-us
Språkattributtet er riktig angitt.
!
Bilder
21 total, 8 missing ALT
Legg til ALT-tekst i bilder for tilgjengelighet og SEO.
✓
Viewport
width=device-width, initial-scale=1.0, viewport-fit=cover
Viewport-metataggen er riktig angitt for mobile enheter.
✓
Åpne Graph
All OG tags present.
Alle viktige OpenGraph-tagger er til stede.
✓
Strukturerte data
1 JSON-LD scripts
Fant strukturerte data (JSON-LD).
Stillinger i Google
Søkefraser - Google
| Posisjon | Uttrykk | Side | Utdrag |
|---|---|---|---|
| 4 | /en-us/blog/old-mine... | ||
| 5(+20) | /en-us/blog/old-mine... |