Sigmaphoto.com - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
78% 
Page structure
79% 
Link structure
71% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.23 s
File size
274.70 kB
Words
525
Media files
23
Number of links
102 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
SIGMA Corporation of America | SIGMA Corporation of America
There are word repetitions in the page title.
The length of the page title is perfect. (569 pixels out of 580 max pixel length)
Meta description
(Critically important)
Sigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in 1961, Sigma Corporation prides itself on high quality and innovative photographic equipment.
The meta description is too long: 1752 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)
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
titleSIGMA Corporation of America | SIGMA Corporation of America
descriptionSigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in 1961, Sigma Corporation prides itself on high quality and innovative photographic equipment.
keywordsSIGMA Corporation of America
robotsINDEX,FOLLOW
viewportwidth=device-width, initial-scale=1
format-detectiontelephone=no
p:domain_verifyP18S6D0kJ5izpsYGWYKehFbcGYDkCHYw
langen
og:typewebsite
og:titleSIGMA Corporation of America | SIGMA Corporation of America
og:descriptionSigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in 1961, Sigma Corporation prides itself on high quality and innovative photographic equipment.
og:urlhttps://www.sigmaphoto.com/
og:localeen_US
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 525 words. That's ok.
22.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
3 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 12 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" 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)
12 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
...Ecommerce121/sigma/en_US/images/logo.svgSIGMA Corporation of AmericaSIGMA Corporation of America
...er/images/2/8/28-105mm_marquee_image.jpgNo alt attribute provided
...der/images/1/0/10-18mm_marquee_image.jpgNo alt attribute provided
...r_instant_savings_2024_marquee_image.jpgNo alt attribute provided
...s/t/street_photography_marquee_image.jpgNo alt attribute provided
...mages/s/h/shot_on_cine_marquee_image.jpgNo alt attribute provided
...yg/New_Product_Launch_Lightbox_IMage.jpgNo alt attribute provided
...unds&height=286&width=455&canvas=455:28628-45mm F1.8 DG DN | A
...unds&height=286&width=455&canvas=455:28624-70mm F2.8 DG DN II | A
...unds&height=286&width=455&canvas=455:28670-200mm F2.8 DG DN OS | S
...unds&height=286&width=455&canvas=455:28665mm T2.5 FF Classic
...unds&height=286&width=455&canvas=455:28665mm T1.5 FF
...unds&height=286&width=455&canvas=455:28618-35mm T2
...wysiwyg/Frame_1-september24-herozone.jpgNo alt attribute provided
/media/wysiwyg/video-thumb.pngNo alt attribute provided
.../07/Yu-Shi-I-series-Featured-768x432.jpgVertical Street Photography with SIGMA’s All-Metal I series Lenses
...dio-Photography-Blog-Feature-768x432.jpgWhy I Choose SIGMA Zoom Lenses for Studio Photography
...in-70-200-portraits-featured-768x432.jpgThe Zoom Lens that Replaced My Favorite Portrait Primes: SIGMA 70-200mm F2.8 DG DN OS Sports
...24/08/bh-iceland-series-feat-768x512.jpgIceland: Chasing Light – A Travel Series by B&H, Sponsored by SIGMA
/media/wysiwyg/photo.pngNo alt attribute provided
/media/wysiwyg/cine.pngNo alt attribute provided
/media/wysiwyg/ico-support1.pngNo alt attribute provided
/media/wysiwyg/images/hij-footer.jpgNo alt attribute provided

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
H2 Just Announced!
H2 Unbound Creativity on RF Mount
H2 Get InSpired
H2 Related Blog Posts
H2 Sigma Support
H3 HANDCRAFTED IN JAPAN
H3 Products
H3 Learn
H3 Support
H3 Follow SIGMA Photo
H3 Follow Cine
H4 Cameras
H4 Lenses
H4 Line
H4 Format
H4 Systems
H4 Collections
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (27) on this page.
LinkAttributesAnchor text
https://www.sigmaphoto.com/Anchor Skip to Content
/instant-savingsSubdomain Shop Instant Savings - 8.26 - 9.29
/authorized-dealers/Subdomain Photo
/cine/authorized-dealers/Subdomain Cine
https://www.sigmaphoto.com/Subdomain IMG-ALT SIGMA Corporation of America
A-TITLE SIGMA Corporation of America
https://www.sigmaphoto.com/Anchor Menu
/camerasSubdomain Cameras
/category-camerasSubdomain Explore
/cameras/mirrorlessSubdomain Mirrorless
/cameras/compactSubdomain Compact
/cameras/bundlesSubdomain Bundles
/instant-savingsSubdomain Instant Savings
/sigma-outletSubdomain Outlet
/camerasSubdomain View All
/category-photo-lensesSubdomain Lenses
/category-photo-lensesSubdomain Text duplicate Explore
/lenses/artSubdomain Art
/lenses/sportsSubdomain Sports
/lenses/contemporarySubdomain Contemporary
/photo-lenses/mirrorlessSubdomain Text duplicate Mirrorless
/lenses/dslrSubdomain DSLR
/lenses/canonSubdomain Canon
/lenses/nikonSubdomain Nikon
/lenses/sonySubdomain Sony
/photo-lenses/fujifilmSubdomain Fujifilm
/lenses/leicaSubdomain Leica
/lenses/panasonicSubdomain Panasonic
/lenses/sigmaSubdomain SIGMA
/new-productsSubdomain New Products
/lenses/f2-8-zoom-trioSubdomain F2.8 Essential Zooms
/lenses/dc-dnSubdomain DC DN
/lenses/dg-dnSubdomain DG DN
/lenses/i-seriesSubdomain I series
/instant-savingsSubdomain Text duplicate Instant Savings
/sigma-outletSubdomain Text duplicate Outlet
https://www.sigmaphoto.com/lensesSubdomain Text duplicate View All
/category-cine-lensesSubdomain Cine Lenses
/accessories/camera-accessoriesSubdomain Text duplicate Cameras
/accessories/lens-accessoriesSubdomain Text duplicate Lenses
/accessories/flashesSubdomain Flashes
https://www.sigmaphoto.com/Learn
/learn/ambassadorsAmbassadors
/learn/our-storyOur Story
https://blog.sigmaphoto.com/External Subdomain Blog
https://blog.sigmaphoto.com/ev...External Subdomain Events
/learn/sigma-universitySIGMA University
https://www.sigmaphoto.com/Support
/support/register-warrantyText duplicate Photo
/support/cine/register-warrantyText duplicate Cine
/authorized-dealersSubdomain Text duplicate Photo
/cine/authorized-dealersSubdomain Text duplicate Cine
https://www.sigmaphoto.com/Anchor Account
/checkout/cart/Subdomain My Cart
/customer/account/Subdomain My Account
/customer/account/login/Subdomain Sign In
/customer/account/create/Subdomain Create an Account
/quickorder/Subdomain Quick Order
/28-105mm-f2-8-dg-dn-aSubdomain View the Lens
https://blog.sigmaphoto.com/20...External Subdomain First Look
/10-18mm-f2-8-dc-dn-cText duplicate View the Lens
https://blog.sigmaphoto.com/20...External Subdomain Text duplicate First Look
/instant-savingsSave on Compact Creativity
/instant-savingsSave now on the fast and lightweight 10-18mm and 18-50mm F2.8 DC DN | C, the world’s most compact F2.8 lens pair for APS-C mirrorless.
/instant-savingsSavings 8.26–9.29
https://blog.sigmaphoto.com/20...External Subdomain Ideal on the Streets
https://blog.sigmaphoto.com/20...External Subdomain Street photographer Yu Shi captures the streets of New York City with compact and lightweight SIGMA I series lenses.
https://blog.sigmaphoto.com/20...External Subdomain See the Results
/learn/shot-on-sigma-cineSubdomain Shot on SIGMA CINE
/learn/shot-on-sigma-cineSubdomain SIGMA CINE lenses shine on the sets of the industry’s biggest projects, including the Hulu original Prom Dates.
/learn/shot-on-sigma-cineSubdomain Text duplicate View All
https://youtu.be/DqUIorWYaYIExternal No Text
https://youtu.be/DqUIorWYaYIExternal Learn More
https://www.sigmaphoto.com/Anchor PHOTO
https://www.sigmaphoto.com/Anchor CINE
/28-45mm-f1-8-dg-dn-aSubdomain IMG-ALT 28-45mm F1.8 DG DN | A
/28-45mm-f1-8-dg-dn-aSubdomain Text duplicate 28-45mm F1.8 DG DN | A
A-TITLE 28-45mm F1.8 DG DN | A
/28-45mm-f1-8-dg-dn-aSubdomain Anchor (1)
/28-45mm-f1-8-dg-dn-aSubdomain Text duplicate Learn More
A-TITLE 28-45mm F1.8 DG DN | A
/24-70mm-f2-8-dg-dn-ii-aSubdomain IMG-ALT 24-70mm F2.8 DG DN II | A
/24-70mm-f2-8-dg-dn-ii-aSubdomain Text duplicate 24-70mm F2.8 DG DN II | A
A-TITLE 24-70mm F2.8 DG DN II | A
/24-70mm-f2-8-dg-dn-ii-aSubdomain Text duplicate Learn More
A-TITLE 24-70mm F2.8 DG DN II | A
/70-200mm-f2-8-dg-dn-os-sSubdomain IMG-ALT 70-200mm F2.8 DG DN OS | S
/70-200mm-f2-8-dg-dn-os-sSubdomain Text duplicate 70-200mm F2.8 DG DN OS | S
A-TITLE 70-200mm F2.8 DG DN OS | S
/70-200mm-f2-8-dg-dn-os-sSubdomain Anchor Text duplicate (1)
/70-200mm-f2-8-dg-dn-os-sSubdomain Text duplicate Learn More
A-TITLE 70-200mm F2.8 DG DN OS | S
/65mm-t2-5-ff-classicSubdomain IMG-ALT 65mm T2.5 FF Classic
/65mm-t2-5-ff-classicSubdomain Text duplicate 65mm T2.5 FF Classic
A-TITLE 65mm T2.5 FF Classic
/65mm-t2-5-ff-classicSubdomain Text duplicate Learn More
A-TITLE 65mm T2.5 FF Classic
/65mm-t1-5-ffSubdomain IMG-ALT 65mm T1.5 FF
/65mm-t1-5-ffSubdomain Text duplicate 65mm T1.5 FF
A-TITLE 65mm T1.5 FF
/65mm-t1-5-ffSubdomain Text duplicate Learn More
A-TITLE 65mm T1.5 FF
/18-35mm-t2Subdomain IMG-ALT 18-35mm T2
/18-35mm-t2Subdomain Text duplicate 18-35mm T2
A-TITLE 18-35mm T2
/18-35mm-t2Subdomain Text duplicate Learn More
A-TITLE 18-35mm T2
https://blog.sigmaphoto.com/20...External Subdomain Text duplicate First Look
https://blog.sigmaphoto.com/20...External Subdomain No Text
https://blog.sigmaphoto.com/20...External Subdomain Lens Guides Vertical Street Photography with SIGMA’s All-Metal I series Lenses
IMG-ALT Vertical Street Photography with SIGMA’s All-Metal I series Lenses
A-TITLE Vertical Street Photography with SIGMA’s All-Metal I series Lenses
https://blog.sigmaphoto.com/20...External Subdomain Lens Guides Why I Choose SIGMA Zoom Lenses for Studio Photography
IMG-ALT Why I Choose SIGMA Zoom Lenses for Studio Photography
A-TITLE Why I Choose SIGMA Zoom Lenses for Studio Photography
https://blog.sigmaphoto.com/20...External Subdomain Lens Guides The Zoom Lens that Replaced My Favorite Portrait Primes: SIGMA 70-200mm F2.8 DG DN OS Sports
IMG-ALT The Zoom Lens that Replaced My Favorite Portrait Primes: SIGMA 70-200mm F2.8 DG DN OS Sports
A-TITLE The Zoom Lens that Replaced My Favorite Portrait Primes: SIGMA 70-200mm F2.8 DG DN OS Sports
https://blog.sigmaphoto.com/20...External Subdomain Events & Workshops Iceland: Chasing Light – A Travel Series by B&H, Sponsored by SIGMA
IMG-ALT Iceland: Chasing Light – A Travel Series by B&H, Sponsored by SIGMA
A-TITLE Iceland: Chasing Light – A Travel Series by B&H, Sponsored by SIGMA
/support/register-warrantySubdomain Photo Register your product, get tech support, or find authorized repairs.
/support/cine/register-warrantySubdomain Cine Locate the nearest authorized repair center for your Cine lenses.
/contactSubdomain Contact Us Get in touch with our US-based customer service team for quick, personal support.
/cameras/Subdomain Text duplicate Cameras
/photo-lenses/Subdomain Text duplicate Lenses
/cine-lenses/Subdomain Text duplicate Cine Lenses
/accessories/lens-accessories/Subdomain Accessories
/learn/our-story/Subdomain Text duplicate Our Story
/learn/ambassadors/Subdomain Text duplicate Ambassadors
https://blog.sigmaphoto.com/External Subdomain Text duplicate Blog
https://blog.sigmaphoto.com/ev...External Subdomain Text duplicate Events
/learn/sigma-university/Subdomain Text duplicate SIGMA University
/learn/newsletter/Subdomain Newsletter
/support/register-warrantySubdomain Text duplicate Photo
/support/cine/register-warrantySubdomain Text duplicate Cine
https://press.sigmaphoto.com/External Subdomain Press & Media
/careers/Subdomain Careers
/do-not-sell-my-personal-infor...Subdomain Do Not Sell My Personal Information
https://www.facebook.com/Sigma...External Subdomain No Text
https://instagram.com/sigmaphoto/External No Text
https://www.youtube.com/user/S...External Subdomain No Text
https://www.tiktok.com/@sigmap...External Subdomain icon-tiktiok
https://twitter.com/Sigma_PhotoExternal icon-twitter
https://www.facebook.com/Sigma...External Subdomain No Text
https://www.instagram.com/sigm...External Subdomain No Text
https://www.youtube.com/user/S...External Subdomain No Text
/privacy-policy/Subdomain Privacy Policy
/terms-conditions/Subdomain Terms of Use
https://www.sigma-global.com/en/External Subdomain SIGMA Global

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.sigmaphoto.com/"
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 excellent with 0.23 seconds.
The file size of the HTML document is fine (275 kB).

HTTP Response Header

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External factors

This website has excellent links from other websites.
This page has backlinks from 2,778 referring domains.
This page has 136,283 backlinks.
This page has backlinks from 2,163 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
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# Directories
Disallow: /app/
Disallow: /errors/
Disallow: /lib/
Disallow: /scripts/
Disallow: /var/

# Paths (clean URLs)
Disallow: /index.php/
Disallow: /checkout/
Disallow: /customer/
Disallow: /newsletter/
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Disallow: /sendfriend/

# Files
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Sitemap: https://www.sigmaphoto.com/media/sitemap.xml

Search preview

www.sigmaphoto.com
SIGMA Corporation of America | SIGMA Corporation of America
Sigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in 1961, Sigma Corporation prides itself on high quality and innovative photographic equipment.

Most important keywords

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

KeywordResultRecheck
SIGMA83%Check
Photo70%Check
Sigma Corporation56%Check
Lens54%Check
Lenses52%Check
As low52%Check
Cameras50%Check
DSLR46%Check
Accessories46%Check
Support44%Check

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