Uni-bell.org - SEO Checker

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Overview of the SEO Check
Meta information
72% 
Page quality
50% 
Page structure
55% 
Link structure
43% 
Server
54% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
99.00 kB
Words
1119
Media files
34
Number of links
82 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Uni-Bell PVC Pipe Association
The length of the page title is perfect. (271 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Our mission is to promote use of longer-life, lower-maintenance, corrosion-proof PVC pipe in water and wastewater systems – for real sustainability, strength and long-term asset management.
The meta description is too long: 1179 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.uni-bell.org/
The specified canonical link points to a different page.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
facebook-domain-verificationmogj2krgidx7705r64soej6t0attdi
DESCRIPTIONOur mission is to promote use of longer-life, lower-maintenance, corrosion-proof PVC pipe in water and wastewater systems – for real sustainability, strength and long-term asset management.
KEYWORDSPVC Pipe Association ,DotNetNuke,DNN
GENERATORDotNetNuke
ROBOTSINDEX, FOLLOW
viewportwidth=device-width, initial-scale=1, minimum-scale=1 user-scalable=0
langen-us
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are 2 text duplicates on this page:
  • Duplicate: Our mission is to promote use of longer-life, lower-maintenance, corro...
This page contains 1119 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!
The page contains a listing, which indicates a good text layout.
22 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 19.57 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 22 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, minimum-scale=1 user-scalable=0" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
The amount of tags is very high (23). We recommend using a maximum of 22 tags for this page.
The following tag is repeated too often: click here
Some tags are too long. With 116 characters this one is longer than 70 characters:
"new report confirms pvc is the most widely used water pipe material in the us and canada with the lowe..."
Image SEO
(Somewhat important)
14 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...ation-Logo.png?ver=2025-04-08-224509-483Uni-Bell PVC Pipe Association
...op_image_1.jpg?ver=2018-09-12-034415-083Over Ten Million
...op_image_1.jpg?ver=2018-09-12-034415-083No alt attribute provided
...s/0/slide2.jpg?ver=2018-05-14-091017-263Over Ten Million
...s/0/slide2.jpg?ver=2018-05-14-091017-263No alt attribute provided
...s/0/slide3.jpg?ver=2018-05-14-091022-173Over Ten Million
...s/0/slide3.jpg?ver=2018-05-14-091022-173No alt attribute provided
...op_image_4.jpg?ver=2018-09-12-034450-257Over Ten Million
...op_image_4.jpg?ver=2018-09-12-034450-257No alt attribute provided
...op_image_6.jpg?ver=2018-09-12-034504-727Over Ten Million
...op_image_6.jpg?ver=2018-09-12-034504-727No alt attribute provided
...op_image_7.jpg?ver=2018-09-12-034525-493Over Ten Million
...op_image_7.jpg?ver=2018-09-12-034525-493No alt attribute provided
...Pipe-in-Deep-Bury-Applications-Cover.pngPVC Pipe in Deep-Bury ApplicationsPVC Pipe in Deep-Bury Applications
/portals/0/Design-Calculators.pngDesign CalculatorsDesign Calculators
...cal-briefs.png?ver=2023-05-24-170010-933FAQs and Technical BriefsFAQs and Technical Briefs
/portals/0/2023-water-main-break-cover.jpgWater Main Break Rates in the USA and Canada: A Comprehensive StudyWater Main Break Rates in the USA and Canada: A Comprehensive Study
...er_Picture.PNG?ver=2018-09-10-062223-263No alt attribute provided
...uide_cover.png?ver=2018-09-10-061906-263No alt attribute provided
...force-main-design-guide-for-pvc-pipe.PNGForce Main Design Guide for PVC PipeForce Main Design Guide for PVC Pipe
/portals/0/6th-Edition-Handbook-Cover2.pngHandbook of PVC Pipe Design & Construction, 6th EditionHandbook of PVC Pipe Design & Construction, 6th Edition
...0/Water-and-Sewer-Virtual-Open-House.pngWater and Sewer - Virtual Open HouseWater and Sewer - Virtual Open House
/portals/0/Standards-Sheets.pngPVC Pipe Standards SheetsPVC Pipe Standards Sheets
...nvironmental Performance of PVC Pipe.JPGThe Health, Safety, and Environmental Performance of PVC PipeThe Health, Safety, and Environmental Performance of PVC Pipe
...s/edbcover.jpg?ver=2018-09-10-061642-327No alt attribute provided
...ion of Gasketed PVC Water Sewer Pipe.PNGNo alt attribute provided
...ts/pvcpipe.jpg?ver=2018-09-10-061904-060No alt attribute provided
...versus-fiberglass-for-sewer-projects.pngEvaluating Large-Diameter PVC versus Fiberglass for Sewer ProjectsEvaluating Large-Diameter PVC versus Fiberglass for Sewer Projects
...g-Webinars.jpg?ver=2022-11-17-145117-373No alt attribute provided
...tals/0/Sample-Specifications-09-2024.pngSample SpecificationsSample Specifications
/portals/0/material-comparisons.PNGPipe Material ComparisonsPipe Material Comparisons
/portals/0/EPD-2023-Cover.pngEnvironmental Product DeclarationEnvironmental Product Declaration
...ith_Border.png?ver=2018-09-10-062221-813No alt attribute provided
/portals/0/unibell-ad.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Welcome to the PVC Pipe Association
The H1 heading contains the words Welcome to! Use important keywords instead.
Headings
(Important)
There are 32 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Welcome to the PVC Pipe Association
H2 Newsletter Sign Up
H2 Search UniBell.org
H2 Over Ten Million Quality Control Tests
H2 FAQs and Technical Briefs
H2 Educational Webinars
H2 NEW PVC PIPE IN DEEP-BURY APPLICATIONS
H2 DESIGN CALCULATORS
H2 FREQUENTLY ASKED QUESTIONS AND TECHNICAL BRIEFS
H2 WATER MAIN BREAK STUDY
H2 LCA FOR PVC PIPE
H2 PVC PRESSURE PIPE TAPPING GUIDE
H2 FORCE MAIN DESIGN GUIDE FOR PVC PIPE
H2 NEW 6TH EDITION HANDBOOK OF PVC PIPE
H2 VIRTUAL EDUCATIONAL SEMINAR
H2 PVC PIPE STANDARDS SHEETS
H2 THE HEALTH, SAFETY, AND ENVIRONMENTAL PERFORMANCE OF PVC PIPE
H2 PVC PIPE LONGEVITY REPORT
H2 CONTRACTOR’S GUIDE FOR INSTALLATION OF GASKETED PVC WATER/SEWER PIPE
H2 MAJOR PVC PIPE MARKETS
H2 NEW LARGE-DIAMETER PVC VS. FIBERGLASS FOR SEWER PROJECTS
H2 EDUCATIONAL WEBINARS
H2 SAMPLE SPECIFICATIONS FOR PVC WATER AND SEWER PIPES
H2 PIPE MATERIAL COMPARISONS
H2 ENVIRONMENTAL PRODUCT DECLARATION
H2 HYDRAULIC ANALYSIS: PUMPING COSTS FOR PVC AND DUCTILE IRON PIPE
H2 Mission
H2 Useful Links
H2 Get in Touch
H3 PVC Pipe: Safe and Beneficial to Public Health
H3 Click banner for a complete list.
H3 Click banner for upcoming webinars.
Some anchor texts are used more than once.
3 links don't have an anchor text.
There are 20 links with a trivial 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 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://www.uni-bell.org/Subdomain IMG-ALT Uni-Bell PVC Pipe Association
A-TITLE Uni-Bell PVC Pipe Association
http://www.uni-bell.org/contactAsk an Engineer
http://www.uni-bell.org/ResourcesNo Text
http://www.uni-bell.org/About-UsSubdomain About Us
/About-Us/Public-HealthSubdomain Public Health
/About-Us/The-EnvironmentSubdomain The Environment
/About-Us/Quality-CommitmentSubdomain Quality Commitment
/About-Us/Sustainable-CitiesSubdomain Sustainable Cities
/About-Us/Sustainable-Cities/A...Subdomain A Cleaner World
/About-Us/Sustainable-Cities/A...Subdomain Award Application
/About-Us/Sustainable-Cities/M...Subdomain Major PVC Pipe Users
http://www.uni-bell.org/MembersSubdomain Members
/Members/BenefitsSubdomain Benefits
/Members/DirectorySubdomain Directory
/Members/Member-LogoSubdomain Member Logo
/Members/Members-OnlySubdomain Members Only
/Members/JoinSubdomain Join
http://www.uni-bell.org/ResourcesSubdomain Resources
/Blogs/Pipe-Issues-BlogSubdomain Blogs
/Blogs/Pipe-Issues-BlogSubdomain Pipe Issues Blog
/Blogs/Technical-BlogSubdomain Technical Blog
/Media/Current-NewsSubdomain Media
/Media/Current-NewsSubdomain Current News
/Media/E-NewsletterSubdomain E-Newsletter
/Media/Press-ReleasesSubdomain Press Releases
/Media/VideosSubdomain Videos
http://www.uni-bell.org/EventsSubdomain Events
/Events/Annual-MeetingSubdomain Annual Meeting
/Events/Educational-WebinarsSubdomain Educational Webinars
/Events/Virtual-Educational-Se...Subdomain Virtual Educational Seminar
/Events/Technical-CommitteeSubdomain Technical Committee
http://www.uni-bell.org/ContactSubdomain Contact
/Resources/Documents/66/faqs-a...Subdomain Click banner for a complete list.
/Resources/Documents/66/faqs-a...New window Subdomain No Text
/Events/Educational-WebinarsSubdomain No Text
/Portals/0/ResourceFile/pvc-pi...New window Trivial anchor text
CLICK HERE
/External-Load-Design-CalculatorNew window External Load Design
/Internal-Pressure-Design-Calc...New window Internal Pressure Design
/Cyclic-Life-CalculatorNew window Cyclic Life
https://rcp.ebaa.com/New window External Subdomain Thrust Restraint
/Hydraulic-Calculator-for-Pres...New window Hydraulic for Pressure
/Hydraulic-Calculator-for-Nonp...New window Hydraulic for Nonpressure
/Resources/Documents/66/faqs-a...Text duplicate Trivial anchor text
CLICK HERE
https://digitalcommons.usu.edu...New window External Subdomain Text duplicate Trivial anchor text
CLICK HERE
https://digitalcommons.usu.edu...New window External Subdomain Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/life-c...New window Text duplicate Trivial anchor text
CLICK HERE
/portals/0/resourcefile/Analis...New window Text duplicate Trivial anchor text
CLICK HERE
/portals/0/resourcefile/Analys...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/pvc-pr...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/pvc-pr...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/force-...New window Text duplicate Trivial anchor text
CLICK HERE
/Resources/HandbooksText duplicate Trivial anchor text
CLICK HERE
/Events/Virtual-Educational-Se...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/pvc-pr...New window Pressure Pipe Standard for Water Mains
/Portals/0/ResourceFile/pvc-no...New window Gravity Sewer Pipe Standards
/portals/0/ResourceFile/pvc-pr...New window Force Main Sewer Pipe Standards
/portals/0/ResourceFile/pvc-pr...New window Reclaimed Water Pipe Standards
/Portals/0/ResourceFile/the-he...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/pvc-pi...New window Text duplicate Trivial anchor text
CLICK HERE
/Resources/Contractors-GuideText duplicate Trivial anchor text
CLICK HERE
/Resources/Documents/3/force-m...Force Mains
/Resources/Documents/9/reclaim...Reclaimed Water
/Resources/Documents/15/sanita...Sanitary Sewer
/Resources/Documents/21/storm-...Storm Sewer
/Resources/Documents/27/trench...Trenchless
/Resources/Documents/32/water/...Water
/Portals/0/ResourceFile/evalua...New window Text duplicate Trivial anchor text
CLICK HERE
/Events/Educational-WebinarsText duplicate Trivial anchor text
CLICK HERE
/Resources/Documents/58/specif...Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/pvc-vs...New window PVC vs. Ductile Iron (DI) Pressure Pipe for Water Mains
/Portals/0/ResourceFile/pvc_vs...New window PVC vs. Fiberglass (FRP) Gravity Sewer
/Portals/0/ResourceFile/pvc-vs...New window PVC vs. HDPE Pressure Pipe for Water Mains
/Resources/Documents/57/pipe-m...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/enviro...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/enviro...New window Text duplicate Trivial anchor text
CLICK HERE
/Portals/0/ResourceFile/hydrau...New window Text duplicate Trivial anchor text
CLICK HERE
http://www.watermainbreakclock...New window External Subdomain No Text
http://www.uni-bell.org/About-UsSubdomain Text duplicate About Us
http://www.uni-bell.org/ResourcesSubdomain Text duplicate Resources
http://www.uni-bell.org/MediaSubdomain Text duplicate Media
http://www.uni-bell.org/ContactSubdomain Text duplicate Contact
http://www.uni-bell.org/MembersSubdomain Text duplicate Members
http://www.uni-bell.org/BlogsSubdomain Text duplicate Blogs
http://www.uni-bell.org/EventsSubdomain Text duplicate Events
https://www.facebook.com/pvcpi...New window External Subdomain A-TITLE Facebook
https://www.linkedin.com/compa...New window External Subdomain A-TITLE Linkedin
https://twitter.com/PVCPipeAssocNew window External A-TITLE Twitter
https://www.youtube.com/channe...New window External Subdomain A-TITLE youtube
/privacy-policyPrivacy Policy
/terms-of-useTerms of Use

Server configuration

HTTP redirects
(Critically important)
This page redirects to "http://www.uni-bell.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 of 0.86 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 9 CSS files. This may affect the page load time negatively.
This page loads 22 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (99 kB).

HTTP Response Header

NameValue
cache-controlno-cache
pragmano-cache
content-typetext/html; charset=utf-8
content-encodingbr
expires-1
varyAccept-Encoding
set-cookie36 Characters
x-ua-compatibleIE=edge
x-xss-protection1; mode=block
x-frame-optionsSAMEORIGIN
dateSat, 17 May 2025 02:13:27 GMT
content-length25679
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 60 referring domains.
This page has 487 backlinks.
This page has backlinks from 55 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# Begin robots.txt file
#/-----------------------------------------------\
#| In single portal/domain situations, uncomment the sitmap line and enter domain name
#\-----------------------------------------------/
#Sitemap: http://www.DomainNamehere.com/sitemap.aspx


User-agent: *
Disallow: /admin/
Disallow: /App_Browsers/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /contest/
Disallow: /controls/
Disallow: /DesktopModules/
Disallow: /Documentation/
Disallow: /HttpModules/
Disallow: /images/
Disallow: /Install/
Disallow: /js/
Disallow: /Portals/
Disallow: /Providers/
Disallow: /Resources/ContentRotator/
Disallow: /Resources/ControlPanel/
Disallow: /Resources/Dashboard/
Disallow: /Resources/FeedBrowser/
Disallow: /Resources/OpenForceAd/
Disallow: /Resources/Search/
Disallow: /Resources/Shared/
Disallow: /Resources/SkinWidgets/
Disallow: /Resources/TabStrip/
Disallow: /Resources/Widgets/
Disallow: /Activity-Feed/userId/	# Do not index user profiles

User-agent: msnbot
Disallow: /admin/
Disallow: /App_Browsers/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /contest/
Disallow: /controls/
Disallow: /DesktopModules/
Disallow: /Documentation/
Disallow: /HttpModules/
Disallow: /images/
Disallow: /Install/
Disallow: /js/
Disallow: /Portals/
Disallow: /Providers/
Disallow: /Resources/ContentRotator/
Disallow: /Resources/ControlPanel/
Disallow: /Resources/Dashboard/
Disallow: /Resources/FeedBrowser/
Disallow: /Resources/OpenForceAd/
Disallow: /Resources/Search/
Disallow: /Resources/Shared/
Disallow: /Resources/SkinWidgets/
Disallow: /Resources/TabStrip/
Disallow: /Resources/Widgets/
Disallow: /Activity-Feed/userId/	# Do not index user profiles
Crawl-delay: 5

User-agent: Slurp
Disallow: /*/ctl/		# Slurp permits *
Disallow: /admin/
Disallow: /App_Browsers/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /contest/
Disallow: /controls/
Disallow: /DesktopModules/
Disallow: /Documentation/
Disallow: /HttpModules/
Disallow: /images/
Disallow: /Install/
Disallow: /js/
Disallow: /Portals/
Disallow: /Providers/
Disallow: /Resources/ContentRotator/
Disallow: /Resources/ControlPanel/
Disallow: /Resources/Dashboard/
Disallow: /Resources/FeedBrowser/
Disallow: /Resources/OpenForceAd/
Disallow: /Resources/Search/
Disallow: /Resources/Shared/
Disallow: /Resources/SkinWidgets/
Disallow: /Resources/TabStrip/
Disallow: /Resources/Widgets/
Disallow: /Activity-Feed/userId/	# Do not index user profiles
Crawl-delay: 5

User-agent: Googlebot
Disallow: /*/ctl/		# Googlebot permits *
Disallow: /admin/
Disallow: /App_Browsers/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /contest/
Disallow: /controls/
Disallow: /Documentation/
Disallow: /HttpModules/
Disallow: /Install/
Disallow: /Providers/
Disallow: /Activity-Feed/userId/	# Do not index user profiles

User-agent: Yahoo Pipes 1.0
Disallow: /admin/
Disallow: /App_Browsers/
Disallow: /App_Code/
Disallow: /App_Data/
Disallow: /App_GlobalResources/
Disallow: /bin/
Disallow: /Components/
Disallow: /Config/
Disallow: /contest/
Disallow: /controls/
Disallow: /DesktopModules/
Disallow: /Documentation/
Disallow: /HttpModules/
Disallow: /images/
Disallow: /Install/
Disallow: /js/
Disallow: /Portals/
Disallow: /Providers/
Disallow: /Resources/ContentRotator/
Disallow: /Resources/ControlPanel/
Disallow: /Resources/Dashboard/
Disallow: /Resources/FeedBrowser/
Disallow: /Resources/OpenForceAd/
Disallow: /Resources/Search/
Disallow: /Resources/Shared/
Disallow: /Resources/SkinWidgets/
Disallow: /Resources/TabStrip/
Disallow: /Resources/Widgets/
Disallow: /Activity-Feed/userId/	# Do not index user profiles


# End of robots.txt file

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www.uni-bell.org
Uni-Bell PVC Pipe Association
Our mission is to promote use of longer-life, lower-maintenance, corrosion-proof PVC pipe in water and wastewater systems – for real sustainability, strength and long-term asset management.

Most important keywords

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

KeywordResultRecheck
Pipe80%Check
PVC80%Check
PVC Pipe80%Check
PVC Pipe Association73%Check
Uni-Bell PVC Pipe73%Check
PVC water69%Check
water pipe69%Check
corrosion-proof PVC pipe68%Check
water65%Check
Association65%Check
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