Igi.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
88% 
Page structure
91% 
Link structure
25% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.79 s
File size
202.80 kB
Words
942
Media files
27
Number of links
195 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Certified Diamonds, Gemstones & Jewelery Grading | IGI
The length of the page title is perfect. (511 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Explore IGI diamonds and gemstone certification trusted worldwide for quality & authenticity. Learn about IGI’s grading standards & global certification process.
The length of the meta description is perfect. (976 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.igi.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionExplore IGI diamonds and gemstone certification trusted worldwide for quality & authenticity. Learn about IGI’s grading standards & global certification process.
cdp-version1.5.3
generatorSite Kit by Google 1.177.0
google-site-verificationUH9zzqFuTN7UQ8WSkkobHYLCd_ytRff7N7v4Y5huQ70
msapplication-TileImagehttps://www.igi.org/wp-content/uploads/fav.png
article:publisherhttps://www.facebook.com/InternationalGemologicalInstitute/
article:modified_time2025-07-28T15:38:47+00:00
langen-us
twitter:cardsummary_large_image
twitter:site@igiglobal
og:localeen_US
og:typewebsite
og:titleHome
og:descriptionExplore IGI diamonds and gemstone certification trusted worldwide for quality & authenticity. Learn about IGI’s grading standards & global certification process.
og:urlhttps://www.igi.org/
og:site_nameIGI
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 942 words. That's ok.
22.9% 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.
12 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 22.15 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 19 tags for this page.
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...es/bootscore-child/img/logo/logo_IGI.pnglogo
...es/bootscore-child/img/logo/logo_IGI.pnglogo
...core-child/img/logo/logo_IGI_inverse.pnglogo
...t/uploads/2026/02/Website-Banner-AGL.pngIGI-AGL
/wp-content/uploads/home-hero-1.pngNo alt attribute provided
/wp-content/uploads/cropped-logo_IGI-1.pngIGI logo
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
...ntent/uploads/colored_diamond_report.jpgColored Stone Report
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
/wp-content/uploads/jewlery_reports.jpgJewelry Report
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
/wp-content/uploads/diamond-reports.jpgDiamond Reports
/wp-content/uploads/igi-education.jpgEducation | IGI
...ntent/uploads/igi-education-learning.jpgEducation & Learning | IGI
...es/bootscore-child/img/logo_only_IGI.pngNo alt attribute provided
/wp-content/uploads/igi-classrooms.jpgClassrooms - 1 | IGI
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
...emes/bootscore-child/img/igi-home-bg.jpgColored Gemstones
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
/wp-content/uploads/lab-grown-diamond.jpgLab Grown Diamonds Education
...es/bootscore-child/img/logo/logo_IGI.pngIGI Logo
/wp-content/uploads/diamond-4cs.jpgDiamond 4Cs
.../uploads/2026/04/IGI-Gujarat-Titans3.jpgInternational Gemological Institute (IGI) Joins Forces with Gujarat Titans as Official Certification Partner
...ntent/uploads/2026/02/IGI-AGL-scaled.pngIGI Acquires AGL, Expanding its Global Footprint in Colored Gemstone Certification
...26/02/growth-driver-for-the-industry.jpgLab-Grown Diamond Is Emerging As The New Growth Driver For The Industry: IGI
...score-child/img/logo/igi-footer-logo.svglogo

Page structure

H1 heading
(Critically important)
One of the World's Largest Independent Grading and Accreditation Services Providers
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 One of the World's Largest Independent Grading and Accreditation Services Providers
H2 Empty heading
H3 With 31 laboratories and 18 schools in 10 countries, IGI employs a global workforce of experts and educators dedicated to industry service and consumer protection.
H3 IGI’s supreme position in the gemological world is no coincidence. It is the result of continuous research, support, and synergy with professionals and consumers alike. This dedication is reflected...
H3 Colored Stone Report
H3 Jewelry Report
H3 Diamond Reports
H3 Available Courses
H3 Learn anytime, anywhere with IGI eLearning & online webinars
H3 Colored Gemstones
H3 Lab Grown Diamonds Education
H3 Diamond 4Cs
H3 International Gemological Institute (IGI) Joins Forces with Gujarat Titans as Official Certification Partner
H3 IGI Acquires AGL, Expanding its Global Footprint in Colored Gemstone Certification
H3 Lab-Grown Diamond Is Emerging As The New Growth Driver For The Industry: IGI
H3 Subscribe to our GemBlog
H4 IGI reports
H4 IGI Education
H4 IGI eLearning
H4 Consumer Education
H4 Explore the IGI GemBlog
H4 One of the World's Largest Independent Grading and Accreditation Services Providers Duplicate text
Some anchor texts are used more than once.
4 links don't have an 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.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.igi.org/IMG-ALT logo
/reports/verify-your-reportVerify Report
/about/about-igi/The IGI Story
/about/timeline/The IGI Timeline
https://www.igi.org/igi-events/IGI Events Near You
https://www.igi.org/magazines/D’Origin Magazine
/category/press-release/Press Room
/about/affiliations/Affiliations
https://www.igi.org/reports/The Grading Authority
/diamond-grading-process/The Grading Process
/reports/diamond-reports/Diamond Reports
/reports/natural-diamond-report/Natural Diamond Reports
/reports/lab-grown-diamond-rep...Lab Grown Diamond Reports
/diamond-grading-process/cut-g...Light Performance Report
/reports/diamond-identificatio...Identification Reports
/reports/fancy-colored-diamond...Fancy Colored Diamond Reports
/reports/lab-grown-diamond-rep...Lab Grown Diamond Jewelry Reports
/reports/hearts-arrows-report/Hearts & Arrows Reports
/reports/colored-stone-reports/Colored Stone Reports
/reports/jewelry-reports/Jewelry Reports
https://www.igi.org/services/Services
/services/what-we-do/diamond-s...Diamond Screening
/services/what-we-do/diamond-s...Diamond Sorting
/services/what-we-do/duplicate...Duplicate/Updated Report (USA only)
/services/what-we-do/laserscribe/Laserscribe
/services/what-we-do/registrat...Registration & Recovery (USA only)
/services/appraisals/Appraisals (USA only)
/blockchain-based-digital-diam...Blockchain-Based Digital Diamond Certificate (DDC)
/school-of-gemology/Course Catalog
/course-schedules/Course Schedules
/school-of-gemology/graduate-p...Gemology Graduate Programs
/course-category/graduate-prog...Gem-A Gemmology Foundation Course
/course-category/graduate-prog...Gem-A Gemmology Diploma Course
/education/elearning/courses/eLearning
/verify-your-diploma/Verify Your Diploma
/igi-alumni-connect/graduation...Alumni Connect
https://www.igi.org/my-account/Account
/school-of-gemology-contact/Inquire Now
/consumer-education/Learn With IGI
/consumer-education/learn-with...Learn With Videos
/consumer-education/natural-di...Natural Diamonds
/lab-grown-diamonds/The Appeal of Lab grown diamonds
/consumer-education/diamond-4cs/Diamond 4Cs
/consumer-education/diamond-4cs/Diamond 4Cs Explained
/consumer-education/diamond-4c...Carat Weight
/consumer-education/diamond-4c...Color
/consumer-education/diamond-4c...Cut
/consumer-education/diamond-4c...Clarity
/how-to-buy-a-diamond-engageme...How to Buy a Diamond Engagement Ring
/category/gemblog/GemBlog
/category/news/News
/category/press-release/Press Releases
/category/media-room/Media Room
/category/events/Events
https://investor.igi.org/New window External Subdomain Investor
https://www.igi.org/contact-us/Contact
https://www.igi.org/my-account/User Login
https://www.igi.org/Text duplicate IMG-ALT logo
/about/about-igi/Text duplicate The IGI Story
/about/timeline/Text duplicate The IGI Timeline
https://www.igi.org/igi-events/Text duplicate IGI Events Near You
https://www.igi.org/magazines/Text duplicate D’Origin Magazine
/category/press-release/Text duplicate Press Room
/about/affiliations/Text duplicate Affiliations
https://www.igi.org/reports/Text duplicate The Grading Authority
/diamond-grading-process/Text duplicate The Grading Process
/reports/diamond-reports/Text duplicate Diamond Reports
/reports/natural-diamond-report/Text duplicate Natural Diamond Reports
/reports/lab-grown-diamond-rep...Text duplicate Lab Grown Diamond Reports
/diamond-grading-process/cut-g...Text duplicate Light Performance Report
/reports/diamond-identificatio...Text duplicate Identification Reports
/reports/fancy-colored-diamond...Text duplicate Fancy Colored Diamond Reports
/reports/lab-grown-diamond-rep...Text duplicate Lab Grown Diamond Jewelry Reports
/reports/hearts-arrows-report/Text duplicate Hearts & Arrows Reports
/reports/colored-stone-reports/Text duplicate Colored Stone Reports
/reports/jewelry-reports/Text duplicate Jewelry Reports
https://www.igi.org/services/Text duplicate Services
/services/what-we-do/diamond-s...Text duplicate Diamond Screening
/services/what-we-do/diamond-s...Text duplicate Diamond Sorting
/services/what-we-do/duplicate...Text duplicate Duplicate/Updated Report (USA only)
/services/what-we-do/laserscribe/Text duplicate Laserscribe
/services/what-we-do/registrat...Text duplicate Registration & Recovery (USA only)
/services/appraisals/Text duplicate Appraisals (USA only)
/blockchain-based-digital-diam...Text duplicate Blockchain-Based Digital Diamond Certificate (DDC)
/school-of-gemology/Text duplicate Course Catalog
/course-schedules/Text duplicate Course Schedules
/school-of-gemology/graduate-p...Text duplicate Gemology Graduate Programs
/course-category/graduate-prog...Text duplicate Gem-A Gemmology Foundation Course
/course-category/graduate-prog...Text duplicate Gem-A Gemmology Diploma Course
/education/elearning/courses/Text duplicate eLearning
/verify-your-diploma/Text duplicate Verify Your Diploma
/igi-alumni-connect/graduation...Text duplicate Alumni Connect
https://www.igi.org/my-account/Text duplicate Account
/school-of-gemology-contact/Text duplicate Inquire Now
/consumer-education/Text duplicate Learn With IGI
/consumer-education/learn-with...Text duplicate Learn With Videos
/consumer-education/natural-di...Text duplicate Natural Diamonds
/lab-grown-diamonds/Text duplicate The Appeal of Lab grown diamonds
/consumer-education/diamond-4cs/Text duplicate Diamond 4Cs
/consumer-education/diamond-4cs/Text duplicate Diamond 4Cs Explained
/consumer-education/diamond-4c...Text duplicate Carat Weight
/consumer-education/diamond-4c...Text duplicate Color
/consumer-education/diamond-4c...Text duplicate Cut
/consumer-education/diamond-4c...Text duplicate Clarity
/how-to-buy-a-diamond-engageme...Text duplicate How to Buy a Diamond Engagement Ring
/category/gemblog/Text duplicate GemBlog
/category/news/Text duplicate News
/category/press-release/Text duplicate Press Releases
/category/media-room/Text duplicate Media Room
/category/events/Text duplicate Events
https://investor.igi.org/New window External Subdomain Text duplicate Investor
https://www.igi.org/contact-us/Text duplicate Contact
https://www.igi.org/my-account/No Text
/verify-your-report/Text duplicate Verify Report
/igi-acquires-agl-expanding-it...IMG-ALT IGI-AGL
/verify-your-report/Verify Your Report
https://www.igi.org/reports/All Reports
/reports/colored-stone-reports/Colored Stone Report
/reports/colored-stone-reports/Text duplicate IMG-ALT Colored Stone Report
/reports/colored-stone-reports/Learn More
/verify-your-report/Verify report
/reports/jewelry-reports/Jewelry Report
/reports/jewelry-reports/Text duplicate IMG-ALT Jewelry Report
/reports/jewelry-reports/Text duplicate Learn More
/verify-your-report/Text duplicate Verify report
/reports/diamond-reports/Text duplicate Diamond Reports
/reports/diamond-reports/Text duplicate IMG-ALT Diamond Reports
/reports/diamond-reports/Text duplicate Learn More
/verify-your-report/Text duplicate Verify report
/school-of-gemology/school of gemology
/school-of-gemology/Enroll Now
/course-schedules/Text duplicate Course Schedules
/education/elearning/Text duplicate eLearning
/school-of-gemology/workshops/Workshops – School Of Gemology
/school-of-gemology/webinars/Webinars – School Of Gemology
/education/elearning/courses/Text duplicate eLearning
/school-of-gemology/Text duplicate Enroll Now
/consumer-education/Go To School
/consumer-education/colored-ge...Colored Gemstones
/consumer-education/colored-ge...Text duplicate IMG-ALT Colored Gemstones
/consumer-education/colored-ge...Text duplicate Learn More
/verify-your-report/Text duplicate Verify report
/consumer-education/lab-grown-...Lab Grown Diamonds Education
/consumer-education/lab-grown-...Text duplicate IMG-ALT Lab Grown Diamonds Education
/consumer-education/lab-grown-...Text duplicate Learn More
/verify-your-report/Text duplicate Verify report
/consumer-education/diamond-4cs/Text duplicate Diamond 4Cs
/consumer-education/diamond-4cs/Text duplicate IMG-ALT Diamond 4Cs
/consumer-education/diamond-4cs/Text duplicate Learn More
/verify-your-report/Text duplicate Verify report
/category/gemblog/See All
/category/press-release/Text duplicate Press Releases
/international-gemological-ins...International Gemological Institute (IGI) Joins Forces with Gujarat Titans as Official Certification Partner
/international-gemological-ins...No Text
/international-gemological-ins...Text duplicate IMG-ALT International Gemological Institute (IGI) Joins Forces with Gujarat Titans as Official Certification Partner
/category/press-release/Text duplicate Press Releases
/igi-acquires-agl-expanding-it...IGI Acquires AGL, Expanding its Global Footprint in Colored Gemstone Certification
/igi-acquires-agl-expanding-it...No Text
/igi-acquires-agl-expanding-it...Text duplicate IMG-ALT IGI Acquires AGL, Expanding its Global Footprint in Colored Gemstone Certification
/category/media-room/Text duplicate Media Room
/lab-grown-diamond-is-emerging...Lab-Grown Diamond Is Emerging As The New Growth Driver For The Industry: IGI
/lab-grown-diamond-is-emerging...No Text
/lab-grown-diamond-is-emerging...Text duplicate IMG-ALT Lab-Grown Diamond Is Emerging As The New Growth Driver For The Industry: IGI
https://www.igi.org/contact-us/Contact IGI
https://www.igi.org/Text duplicate IMG-ALT logo
https://www.igi.org/reports/Reports
https://www.igi.org/reports/IGI Reports
/reports/diamond-reports/Text duplicate Diamond Reports
/reports/jewelry-reports/Text duplicate Jewelry Reports
/services/appraisals/Text duplicate Appraisals (USA only)
/diamond-grading-process/Text duplicate The Grading Process
/school-of-gemology/School Of Gemology
/school-of-gemology/Learn Today
/education/elearning/courses/Text duplicate eLearning
/school-of-gemology/graduate-p...Text duplicate Gemology Graduate Programs
/school-of-gemology/webinars/Text duplicate Webinars – School Of Gemology
/school-of-gemology/workshops/Text duplicate Workshops – School Of Gemology
/school-of-gemology-contact/School Inquiry
/school-of-gemology-contact/Request Help
/consumer-education/Consumer Education
/consumer-education/learn-with...Text duplicate Learn With Videos
https://www.igi.org/glossary/Glossary
/how-to-read-an-igi-natural-di...Read a Grading Report
https://www.igi.org/services/Text duplicate Services
/services/what-we-do/diamond-s...Screening Services
/services/what-we-do/diamond-s...Sorting Services
/services/what-we-do/laserscribe/LaserScribe®
/services/what-we-do/registrat...Registration
https://api.igi.org/New window External Subdomain API – Reports & PDFs
/blockchain-based-digital-diam...Text duplicate Blockchain-Based Digital Diamond Certificate (DDC)
/assets/pdf/IGI-Human-Rights-P...New window Human Rights Policy
/assets/pdf/Code-of-Conduct.pdfNew window Code of Conduct
/assets/pdf/Supplier-Code-of-C...New window Supplier Code of Conduct
/assets/pdf/IGI-NA-RJC-Policy.pdfNew window RJC Policy
/privacy-policy/New window Privacy Policy
/terms-and-conditions/Terms & Conditions
https://www.igi.org/terms-of-use/Terms of Use
https://www.twitter.com/igiwor...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.facebook.com/Inter...New window External Subdomain No Text
https://www.instagram.com/igiw...New window External Subdomain No Text
https://www.igi.org/zh/中文 (简体)
A-TITLE Language switcher : Simplified Chinese

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.igi.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.79 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 (203 kB).

HTTP Response Header

NameValue
dateSun, 26 Apr 2026 10:52:46 GMT
content-typetext/html; charset=UTF-8
servercloudflare
varyAccept-Encoding
x-cache-enabledTrue
x-httpd-modphp1
host-header8441280b0c35cbc1147f8ba998a563a7
x-proxy-cacheHIT
x-cdn-cstatic
server-timingcfCacheStatus;desc="DYNAMIC"
cf-cache-statusDYNAMIC
content-encodingbr
cf-ray9f250a324a54d35e-FRA
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,410 referring domains.
This page has 770,563 backlinks.
This page has backlinks from 841 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow: /wp-json/
Disallow: /?rest_route=

Sitemap: https://www.igi.org/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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Search preview

www.igi.org
Certified Diamonds, Gemstones & Jewelery Grading | IGI
Explore IGI diamonds and gemstone certification trusted worldwide for quality & authenticity. Learn about IGI’s grading standards & global certification process.

Most important keywords

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

KeywordResultRecheck
Grading81%Check
IGI78%Check
Diamond Grading77%Check
Diamond74%Check
Diamond Gemstone73%Check
Diamonds72%Check
World70%Check
gemstone68%Check
IGI certified diamonds67%Check
IGI certified66%Check
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