Slateassociation.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
97% 
Page structure
100% 
Link structure
25% 
Server
95% 
External factors
100% 
SEO Score
Response time
3.94 s
File size
254.70 kB
Words
1138
Media files
32
Number of links
152 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
National Slate Association | The resource for slate roofing
The length of the page title is perfect. (512 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Since 1922, the National Slate Association has maintained a material and installation standard for natural roofing slate in North America.
The length of the meta description is perfect. (835 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.slateassociation.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)
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
google-site-verificationlnRy2ivhQjfzvtBlguOKu5rKFApTXTEjbWQxxYnt_m8
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionSince 1922, the National Slate Association has maintained a material and installation standard for natural roofing slate in North America.
generatorNational Slate Association v.1
viewportwidth=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
msapplication-TileImagehttps://www.slateassociation.org/wp-content/uploads/2018/02/cropped-nsa_logo-270x270.png
article:modified_time2025-04-25T10:01:41+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleNational Slate Association | The resource for slate roofing
og:descriptionSince 1922, the National Slate Association has maintained a material and installation standard for natural roofing slate in North America.
og:urlhttps://www.slateassociation.org/
og:site_nameNational Slate Association
og:imagehttps://www.slateassociation.org/wp-content/uploads/2018/10/lucas.jpg
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 1138 words. That's ok.
27.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
15 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.97 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 638 characters this one is longer than 70 characters:
"the mission of the national slate association is to establish a material and installation standard for..."
Image SEO
(Somewhat important)
3 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
/wp-content/uploads/2018/02/nsa_logo.pngNational Slate Association
...tent/uploads/2015/10/137-DSCN1325-sm.jpgSan Francisco Theological Seminary
...nt/uploads/2015/12/134-March_2012-sm.pngLuxury Condominium
.../uploads/2015/12/MurphysWindmill_web.jpgGolden Gate Park – Murphy’s Windmill
...tent/uploads/2015/12/139-100_0198-sm.pngBrantford Courthouse
...content/uploads/2015/12/100_0247_web.jpgLady Meredith House
...oads/2015/12/37-20091203_24b-629x600.jpgSt. Nicholas Church, New Hamburg, NY
...ent/uploads/2015/12/IMG00055-800x600.jpgFirst Presbyterian Church
...ads/2015/12/31-McKelvyNew_28-800x600.jpgOakhurst Roof Restoration
...ads/2015/12/32-Cairnwood_045-450x600.jpgCairnwood Mansion
.../uploads/2015/12/29-IMG_0785-800x533.jpgThe Roman Catholic Church of the Archdiocese of New Orleans, Notre Dame Seminary
.../uploads/2015/12/28-IMG_2762-800x600.jpgMain House Towers
.../uploads/2015/12/7.27.09-003-800x600.jpgDorm Reroof
...oads/2015/12/ZionLutheran004-800x600.jpgZion Lutheran Church
...uploads/2015/12/20081114_14-1024x768.jpgFirst Congregational Church
/wp-content/uploads/2019/08/DJI_0009.jpgPrince of peace church
...tent/uploads/2022/03/DJI_0181-scaled.jpgSt. Andrew’s Catholic Church, Roanoke, VA
...tent/uploads/2022/03/DJI_0008-scaled.jpgAll Saints’ Episcopal Church, Frederick, MD
...tent/uploads/2022/03/DJI_0024-scaled.jpgThe Red House, Port of Spain, Trinidad and Tobago
/wp-content/uploads/2023/03/image011.pngFront view of the chapel at Christ the king
/wp-content/uploads/2021/07/quote-icn.pngNo alt attribute provided
/wp-content/uploads/2018/10/lucas.jpgLucas Severance - NSA Member
/wp-content/uploads/2021/07/quote-icn.pngNo alt attribute provided
...52905501620021_5148429717049394593_n.jpgRonny Roseveare - NSA Member
/wp-content/uploads/2021/07/quote-icn.pngNo alt attribute provided
...36091150097959_1193454560700665518_n.jpgBob Williams - NSA Member
.../uploads/2025/05/aislateroof-400x250.jpgWhat Does AI Know About Slate?
.../uploads/2025/05/snowsystems-400x250.jpgSnow Retention Systems
...nt/uploads/2025/03/whywouldi-400x250.jpgWhy Should I Join an Association?
/wp-content/uploads/2017/11/QR-code.jpgQR code
/wp-content/uploads/2017/11/logo.jpgNational Slate AssociationNational Slate Association
Video URLWidthHeight
...ube.com/embed/HxcaDDpiD80?feature=oembed1080608

Page structure

H1 heading
(Critically important)
Natural Slate Roofing in North America
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Natural Slate Roofing in North America
H2 Why Join The National Slate Association?
H2 FIND THE NSA’S SLATE ROOFS DESIGN INSTALLATION MANUAL HERE!
H2 HAVE A SLATE RELATED QUESTION? VISIT THE NSA FORUM
H2 SLATE SPECIFICATIONS
H2 SLATE COLORS
H2 Stay Informed
H2 Top Resource
H2 Promote the Slate Industry
H2 Member Project Gallery
H2 TESTIMONIALS
H2 Latest News
H2 What Does AI Know About Slate?
H2 Snow Retention Systems
H2 Why Should I Join an Association?
H2 National Slate Association’s Mobile Field Guide
H2 REQUEST INFORMATION
H3 Find Contractors, Homeowners and Suppliers
H3 A National Resource For Technical Support
H3 Available For All Slate Questions
H3 A Community Of Experts
H3 Contractors
H3 Architects
H3 Homeowners
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
19 links don't have an anchor text.
There are 4 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://mobile.slateassociation...External Subdomain NSA Mobile Field Guide
/contact/CONTACT
/why-join-now/Anchor JOIN NOW
/cart/0 Items
https://www.slateassociation.org/IMG-ALT National Slate Association
/contact/Text duplicate CONTACT
/why-join-now/Anchor Text duplicate JOIN NOW
/about/About Us
/about/history-of-the-nsa/History of the NSA
/about/board-of-directors-and-...Board Members
/wp-content/uploads/2020/03/NS...New window Bylaws
/why-join-now/Why Join Now
/about/contractors/Contractors
/about/architects/Architects
/about/homeowners/Homeowners
/member-directory/Member Directory
/slate-colors/Slate Colors
/slate-specification/Slate Specification
/project-gallery/Project Gallery
/resources/Resources
/resources/technical-bulletins...Technical Bulletins & Information
/slates/slate-specification/Slate Roof Spec Guide
/resources/videos/Instructional Videos
/resources/news/News
/resources/events/Events
http://mobile.slateassociation...External Subdomain Mobile Field Guide
/forums/Forums
/nsa-shop/Shop
/member-account/LOGIN
/about/Text duplicate National Slate Association
/about/contractors/contractors
/about/architects/architects
/why-join-now/Anchor JOIN THE NSA
/nsa-shop/Shop Now
/forum/Learn More
/who-we-serve/WHO WE SERVE
/who-we-serve/contractors/LEARN MORE
/who-we-serve/architects/Text duplicate LEARN MORE
/who-we-serve/homeowners/Text duplicate LEARN MORE
/slate-specification/Text duplicate Learn More
/slate-colors/View All Colors
/why-join-now/Anchor Text duplicate JOIN NOW
/project/san-francisco-theolog...No Text
/project/san-francisco-theolog...San Francisco Theological Seminary
/project/san-francisco-theolog...San Francisco Theological Seminary San Francisco Theological Seminary of Northern California was originally constructed...
/project/san-francisco-theolog...View project
/project/luxury-condominium/No Text
/project/luxury-condominium/Luxury Condominium
/project/luxury-condominium/Luxury Condominium French Chateau inspired luxury condominium located in Toronto’s Bridle Path. 250 squares...
/project/luxury-condominium/Text duplicate View project
/project/golden-gate-park-murp...No Text
/project/golden-gate-park-murp...Golden Gate Park – Murphy’s Windmill
/project/golden-gate-park-murp...Golden Gate Park – Murphy’s Windmill Supplied 46 squares and installed with a 2”...
/project/golden-gate-park-murp...Text duplicate View project
/project/brantford-courthouse/No Text
/project/brantford-courthouse/Brantford Courthouse
/project/brantford-courthouse/Brantford Courthouse Part of the challenge was the courthouse had to remain in operation...
/project/brantford-courthouse/Text duplicate View project
/project/lady-meredith-house-m...No Text
/project/lady-meredith-house-m...Lady Meredith House – McGill University
/project/lady-meredith-house-m...Lady Meredith House – McGill University Built in 1897, the turreted brick mansion was...
/project/lady-meredith-house-m...Text duplicate View project
/project/st-nicholas-church-ne...No Text
/project/st-nicholas-church-ne...St. Nicholas Church, New Hamburg, NY
/project/st-nicholas-church-ne...St. Nicholas Church, New Hamburg, NY The project included replacement of slate roofing to...
/project/st-nicholas-church-ne...Text duplicate View project
/project/first-presbyterian-ch...No Text
/project/first-presbyterian-ch...First Presbyterian Church
/project/first-presbyterian-ch...First Presbyterian Church 300+ square Slate Roof Restoration including 20″ x random width, 3/8″...
/project/first-presbyterian-ch...Text duplicate View project
/project/oakhurst-roof-restora...No Text
/project/oakhurst-roof-restora...Oakhurst Roof Restoration
/project/oakhurst-roof-restora...Oakhurst Roof Restoration Complete roof restoration of “Oakhurst”, a prominent residence designed by McKim,...
/project/oakhurst-roof-restora...Text duplicate View project
/project/cairnwood-mansion/No Text
/project/cairnwood-mansion/Cairnwood Mansion
/project/cairnwood-mansion/Cairnwood Mansion Our work on the Cairnwood Mansion, the Beaux Arts style residence designed...
/project/cairnwood-mansion/Text duplicate View project
/project/notre-dame-seminary-n...No Text
/project/notre-dame-seminary-n...The Roman Catholic Church of the Archdiocese of New...
/project/notre-dame-seminary-n...The Roman Catholic Church of the Archdiocese of New Orleans, Notre Dame SeminaryComplete...
/project/notre-dame-seminary-n...Text duplicate View project
/project/main-house-towers/No Text
/project/main-house-towers/Main House Towers
/project/main-house-towers/Main House Towers Replacement of slate roofing, flat seam copper roofing, and standing seam...
/project/main-house-towers/Text duplicate View project
/project/dorm-reroof/No Text
/project/dorm-reroof/Dorm Reroof
/project/dorm-reroof/Dorm Reroof Tear-off and reroof of dormitory buildings with new slate and gutters....
/project/dorm-reroof/Text duplicate View project
/project/zion-lutheran-church/No Text
/project/zion-lutheran-church/Zion Lutheran Church
/project/zion-lutheran-church/Zion Lutheran Church The Durable Slate Company reslated and restored the original pattern on...
/project/zion-lutheran-church/Text duplicate View project
/project/first-congregational-...No Text
/project/first-congregational-...First Congregational Church
/project/first-congregational-...First Congregational Church The First Congregational Church existing built-in gutter was extensively rotted and...
/project/first-congregational-...Text duplicate View project
/project/prince-of-peace-church/No Text
/project/prince-of-peace-church/Prince of Peace Church
/project/prince-of-peace-church/Prince of Peace Church HKC Roofing restored the 160’ tall church steeple using natural...
/project/prince-of-peace-church/Text duplicate View project
/project/st-andrews-catholic-c...No Text
/project/st-andrews-catholic-c...ST. ANDREW’S CATHOLIC CHURCH, ROANOKE, VA
/project/st-andrews-catholic-c...ST. ANDREW’S CATHOLIC CHURCH, ROANOKE, VA Built in 1902, St. Andrew’s Catholic Church stands...
/project/st-andrews-catholic-c...Text duplicate View project
/project/all-saints-episcopal-...No Text
/project/all-saints-episcopal-...ALL SAINTS’ EPISCOPAL CHURCH, FREDERICK, MD
/project/all-saints-episcopal-...ALL SAINTS’ EPISCOPAL CHURCH, FREDERICK, MD All Saints Episcopal originally asked us to...
/project/all-saints-episcopal-...Text duplicate View project
/project/the-red-house-port-of...No Text
/project/the-red-house-port-of...THE RED HOUSE, PORT OF SPAIN, TRINIDAD, AND TOBAGO
/project/the-red-house-port-of...THE RED HOUSE, PORT OF SPAIN, TRINIDAD, AND TOBAGO The Red House (House of...
/project/the-red-house-port-of...Text duplicate View project
/project/the-chapel-at-christ-...No Text
/project/the-chapel-at-christ-...The Chapel at Christ the King
/project/the-chapel-at-christ-...The Chapel at Christ the King This project is called The Chapel at Christ...
/project/the-chapel-at-christ-...Text duplicate View project
/project-gallery/VIEW ALL
/what-does-ai-know-about-slate/IMG-ALT What Does AI Know About Slate?
/what-does-ai-know-about-slate/Text duplicate What Does AI Know About Slate?
/what-does-ai-know-about-slate/Trivial anchor text
read more
/snow-retention-systems/IMG-ALT Snow Retention Systems
/snow-retention-systems/Text duplicate Snow Retention Systems
/snow-retention-systems/Text duplicate Trivial anchor text
read more
/why-should-i-join-an-associat...IMG-ALT Why Should I Join an Association?
/why-should-i-join-an-associat...Text duplicate Why Should I Join an Association?
/why-should-i-join-an-associat...Text duplicate Trivial anchor text
read more
/resources/news/View All
http://mobile.slateassociation...External Subdomain mobile.slateassociation.org
/wp-content/uploads/2015/10/Mo...Trivial anchor text
here
http://mobile.slateassociation...External Subdomain Text duplicate Mobile Field Guide
/why-join-now/Text duplicate Why Join Now
/members/Members
/project-gallery/Text duplicate Project Gallery
/nsa-shop/Text duplicate Shop
/contact/Contact Us
/site-map/Site Map
/about/About
/about/history-of-the-nsa/Text duplicate History of the NSA
/about/board-of-directors-and-...Board of Directors and Committees
/wp-content/uploads/2020/03/NS...Text duplicate Bylaws
/slate-colors/Text duplicate Slate Colors
/slate-specification/Text duplicate Slate Specification
/about/contractors/Text duplicate Contractors
/about/architects/Text duplicate Architects
/about/homeowners/Text duplicate Homeowners
/resources/Text duplicate Resources
http://mobile.slateassociation...External Subdomain Text duplicate Mobile Field Guide
/slates/slate-specification/Text duplicate Slate Roof Spec Guide
/resources/technical-bulletins...Text duplicate Technical Bulletins & Information
/resources/videos/Text duplicate Instructional Videos
/resources/news/Text duplicate News
/resources/events/Text duplicate Events
/forums/Text duplicate Forums
https://www.facebook.com/natio...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.instagram.com/slat...New window External Subdomain No Text
http://mypopup/External Text duplicate CONTACT
/why-join-now/Anchor Join Now
/policies/Policies
https://www.dowellwebsites.com/New window Nofollow External Subdomain Do Well Websites

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.slateassociation.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 (3.94 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 (255 kB).

HTTP Response Header

NameValue
servernginx
dateSun, 01 Jun 2025 07:47:50 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
cache-controlpublic, max-age=0, s-maxage=3600
x-cache-enabledTrue
x-nitro-cacheMISS
link<https://www.slateassociation.org/wp-json/>; rel="https://api.w.org/", <https://www.slateassociation.org/wp-json/wp/v2/pages/203046>; rel="alternate"; title="JSON"; type="application/json", <https://www.slateassociation.org/>; rel=shortlink
set-cookie120 Characters
expiresTue, 01 Jul 2025 07:47:47 GMT
x-httpd1
host-header6b7412fb82ca5edfd0917e3957f05d89
x-proxy-cacheMISS
x-proxy-cache-info0 NC:000000 UP:SKIP_CACHE_SET_COOKIE
content-encodingbr
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 44 referring domains.
This page has 109 backlinks.
This page has backlinks from 40 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: * 
Disallow: /wp-admin/ 
Disallow: /wp-includes/ 
Allow: /wp-includes/css/ 
Allow: /wp-includes/js/ 
Noindex: /wp-includes/css/ 
Noindex: /wp-includes/js/ 
Disallow: /thank-you/
Disallow: /site-backup/
Sitemap: https://www.slateassociation.org/sitemap_index.xml

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Search preview

www.slateassociation.org
National Slate Association | The resource for slate roofing
Since 1922, the National Slate Association has maintained a material and installation standard for natural roofing slate in North America.

Most important keywords

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

KeywordResultRecheck
Slate94%Check
Slate Association90%Check
Slate Roof89%Check
Association88%Check
Roof85%Check
National Slate Association85%Check
Slate Roofing83%Check
roofing77%Check
Natural Slate77%Check
National74%Check
Show more keywords and terms

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