Passivehouse-international.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
97% 
Page quality
46% 
Page structure
58% 
Link structure
11% 
Server
33% 
External factors
100% 
SEO Score
Response time
0.18 s
File size
114.70 kB
Words
5026
Media files
80
Number of links
74 internal / 36 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
International Passive House Association | Index
The length of the page title is perfect. (426 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
iPHA: The international network for Passive House knowledge; promoting the Passive House Standard worldwide
The length of the meta description is perfect. (699 pixels out of 1000 max pixel length)
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: de
Language defined in meta tags: deutsch
Language defined in HTTP-Equiv meta tag: de
Server location: Finland
There are different language information within the page markup.
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
The following language is defined by HTML: deutsch
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 name is very long.
The domain is no subdomain.
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.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
robotsall
TitleInternational Passive House Association
AuthorInternational Passive House Association
PublisherInternational Passive House Association
CopyrightInternational Passive House Association
Date2023-05-10
RevisitAfter 10 days
Keywordsair heater,air heating,apliances,architect,architecture,balance,basics,building,building sector,building services,buy,certificate,certification,client,compact unit,compact ventilation system,concept,conference,construction,construction method,construction sector,consulting,costs,courses,design,detail,economise,economize,efficiency,energy balance,energy efficiency,energy retrofit,engineer,events,expert,expert database,financial support,forum,heat pump,heat recovery,heater,heating,hotline,HVAC,incentive program,incentives,information,institute,insulating,insulation,International Passive House Association,label,law,literature,low-energy building,low-energy house,member,modernisation,modernization,old building,Passive House,Passivhaus,PHI,PHPP,planer,planning,platform,prefabricated house,products,professional planner,projects,purchase,quality,renovation,retrofit,save,seminar,service,software,standard,technical equipment,technology,ventilation,window,workshop,zero-energy building,zero-energy house,1-litre house,3-litre house
DescriptioniPHA: The international network for Passive House knowledge; promoting the Passive House Standard worldwide
AbstractiPHA: The international network for Passive House knowledge; promoting the Passive House Standard worldwide
page-topicPassive House, Comfort, Quality, Energy Savings, Energy Efficiency, Sustainability
audienceAll
RobotsINDEX,FOLLOW
LanguageDeutsch
langde
Content-Typetext/html; charset=UTF-8
Content-Languagede

Test up to 1.000 webpages of passivehouse-international.org with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
The content of this page is too large (5026 words). Maybe the content could be divided into several pages.
38.3% of the text are stop words.
53 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 21.13 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page loads 8 JavaScript files. This may affect the load time negatively.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 74 characters this one is longer than 70 characters:
"__________________________________________________________________________"
Image SEO
(Somewhat important)
76 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
/_img/externerLinkBgGruen.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/_img/mainnav_left.pngNo alt attribute provided
/_img/mainnav_right.pngNo alt attribute provided
/upload/linkedin1.jpgNo alt attribute provided
/upload/twitter1.jpgNo alt attribute provided
/upload/facebook1.jpgNo alt attribute provided
/upload/instagram1.jpgNo alt attribute provided
/upload/youtube1.jpgNo alt attribute provided
/upload/forum1.jpgNo alt attribute provided
/upload/blog_BANNER2_525.pngNo alt attribute provided
...ch_umschlag_online_Final_Seite_1_300.jpgNo alt attribute provided
/upload/EfficiencyFirstwebsitebanner.pngNo alt attribute provided
...g_Wiesbaden_Stand_PHI_Homepage_klein.jpgNo alt attribute provided
...R_Exeter_City_Council_Homepage_klein.jpgNo alt attribute provided
...Soble_CR_Double_Space_Homepage_klein.jpgNo alt attribute provided
..._Villanova_Architects_Homepage_klein.jpgNo alt attribute provided
...Zertifikate_Innsbruck_Homepage_klein.jpgNo alt attribute provided
...yth_Home_CR_Dan_Scott_Homepage_klein.jpgNo alt attribute provided
..._Muenchen_Argentinien_Homepage_klein.jpgNo alt attribute provided
...l_Papers_Wiesbaden_EN_Homepage_klein.jpgNo alt attribute provided
...tenzimmer_CR_Klinikum_Homepage_klein.jpgNo alt attribute provided
...r_Malende_Lackierende_Homepage_klein.jpgNo alt attribute provided
/upload/PHPP_10_EN_Homepage_klein_NEU.jpgNo alt attribute provided
.../Grafik_NOW_gruen_EN_Homepagge_klein.pngNo alt attribute provided
...derau_PH_Mehrfamilien_Homepage_klein.jpgNo alt attribute provided
...serielle_Sanierung_NL_Homepage_klein.jpgNo alt attribute provided
/upload/COP26_Homepage_klein.jpgNo alt attribute provided
...6055_CR_Martin_Schaub_Homepage_klein.jpgNo alt attribute provided
...21_PM_NACH_der_Tagung_Homepage_klein.jpgNo alt attribute provided
...ard_2021_Preistraeger_Homepage_klein.jpgNo alt attribute provided
/upload/Award_2021_Homepage_klein.jpgNo alt attribute provided
...ertal_Stadthalle_Saal_Homepage_klein.jpgNo alt attribute provided
/upload/Glasgow_IBC_Hund_Homepage_klein.jpgNo alt attribute provided
/upload/Glasgow_city_Homepage_klein.jpgNo alt attribute provided
/upload/SDG_2_Homepage_klein.jpgNo alt attribute provided
...CR_Rongen_Architekten_Homepage_klein.jpgNo alt attribute provided
/upload/Birthday_cake_Homepage_klein.jpgNo alt attribute provided
...amplona_29Soto_Himmel_Homepage_klein.jpgNo alt attribute provided
...cebookTemplate_V1_IG+PHAU_150x100_EN.jpgNo alt attribute provided
...ng_2021_Karte_EN_Datum_Neu_Slideshow.jpgNo alt attribute provided
...Schule_Lueftung_Maske_Homepage_klein.jpgNo alt attribute provided
...D_5330_CR_eco2travaux_Homepage_klein.jpgNo alt attribute provided
...etworking_Tagung_2020_Homepage_klein.jpgNo alt attribute provided
...g_Eroeffnung_Wolfgang_Homepage_klein.jpgNo alt attribute provided
/upload/CC_Heidelberg_Homepage_klein.jpgNo alt attribute provided
...urt_Hoechst_Juli_2020_Homepage_klein.jpgNo alt attribute provided
..._Tiergarten_Nuernberg_Homepage_klein.jpgNo alt attribute provided
...ngate_1000_Komponente_Homepage_klein.jpgNo alt attribute provided
...lfgang_Feist_Portrait_Homepage_klein.jpgNo alt attribute provided
/upload/Tagung_2020_EN_vorschau_klein.jpgNo alt attribute provided
...s_55_PM_Kunstwerk_NHT_Homepage_klein.jpgNo alt attribute provided
...ltung_Jacques_Ferrier_Homepage_klein.jpgNo alt attribute provided
...Tagung_Berlin_PM_Call_Homepage_klein.jpgNo alt attribute provided
...China_2019_Eroeffnung_Homepage_klein.jpgNo alt attribute provided
...019_Augsburg_Wittmann_Homepage_klein.jpgNo alt attribute provided
/upload/Goldsmith150.jpgNo alt attribute provided
/upload/MPREIS_PM_Innen_Homepage_klein.jpgNo alt attribute provided
...na_Programm_Baustelle_Homepage_klein.jpgNo alt attribute provided
...d/Heidelberg_Homepage_Publikum_klein.jpgNo alt attribute provided
...Dunstabzug_PM_Spargel_Homepage_klein.jpgNo alt attribute provided
/_img/passipediaBW.pngThe Passive House resource
/_img/iphaForumLogo.pngThe Passive House forum
/_img/internalTopLink.pngNo alt attribute provided
/_img/internalTopLink.pngNo alt attribute provided
Video URLWidthHeight
...?list=PLnfvPyFz72o2Ce6RkWNOTBQvDL9VJmR-e500300

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.
There are 56 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Empty heading
H2 Empty heading
H2 Welcome to the International Passive House Association (iPHA) website! iPHA is a global network of Passive House stakeholders including architects, planners, scientists, suppliers, manufacturers, p...
H2 Read our latest news
H2 Book for the 3rd Passive House Award published as a flipbook: Browse through the Passive House variety!
H2 Announcing the "Efficiency: The First Renewable Energy" #EfficiencyFirst Campaign
H2 Press Releases
H2 Efficiency promotes social justice
H2 Forward into the future!
H2 There's no way around efficiency!
H2 Quality control for highly energy-efficient refurbishments
H2 Emulation highly recommended
H2 When, if not now?
H2 Special feature: 4 x Passive House!
H2 Especially now! Energy efficiency pays off!
H2 Hospital 3.0: modern and energy-efficient
H2 "A Passive House Masterpiece"
H2 Reliable partner for energy balancing!
H2 Let’s save fossil energy! NOW!
H2 It’s good for the climate! And for us!
H2 outPHit makes retrofits easier!
H2 Center stage for Passive House at COP26
H2 British Columbia, Bradford and Bavaria!
H2 30 years old - more relevant than ever!
H2 That's what (efficient) winners look like!
H2 Highly efficient and very impressive
H2 Clear the stage for better building
H2 Energy efficiency: clear winner
H2 Keeping cool in Glasgow this summer
H2 Passive House meets social goals
H2 We can do it - with efficiency!
H2 Empty heading
H2 Happy Birthday, Passive House!
H2 Empty heading
H2 Course of action: Passive House
H2 Empty heading
H2 Empty heading
H2 The key to a healthy climate
H2 Ventilation systems strongly recommended
H2 Latest trend: healthy living spaces!
H2 Build better than required by code!
H2 For climate protection and a healthy home!
H2 Empty heading
H2 Pointing the way – then and now
H2 Hospital a step closer to certification
H2 Even zoos can be built sustainably!
H2 "We can still do it!"
H2 New first for International Passive House Conference
H2 The effort is definitely worth it!
H2 Passive House buildings lead the way
H2 Better homes with less energy
H2 "1.5 degrees is still possible!"
H2 Climate protection with comfort bonus
H2 Passive House social housing project winner of this year's Stirling Prize!
H2 A new addition: energy efficiency!
H2 China aims for high energy efficiency
H2 Empty heading
H2 "Time to think of the national economy"
H2 Empty heading
H2 Plenty of steam around extractors
H2 Empty heading
H2 Empty heading
H2 Passive House videos:
H2 Empty heading
H2 iPHA Members
H2 Upcoming Events
H3 Passive House Explained in 90 seconds by Hans-Jörg Eich
H3 Passive Passion, documentary by Charlie Hoxie
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
1 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (36) on this page.

Found links on this page

LinkAttributesAnchor text
http://www.passivehouse.com/New window External PASSIVE HOUSE INSTITUTE
/iPHA
http://www.ig-passivhaus.de/New window External IG PASSIVHAUS
http://www.passipedia.org/New window External PASSIPEDIA
https://cms.passivehouse.com/New window External Subdomain PROFESSIONALS
/index.phpHome
/index.php?page_id=42Contact
/index.php?page_id=468Press
/index.php?page_id=43Legal notice
/index.php?page_id=77Links
/index.php?page_id=290FAQ
/index.php?page_id=65Text duplicate iPHA
/index.php?page_id=249AFFILIATES
/index.php?page_id=70INFO MATERIAL
/index.php?page_id=75EVENTS
/index.php?page_id=76NEWS
/index.php?page_id=209HANDS ON
/index.php?page_id=367PROJECTS
/index.php?page_id=78PASSIVE HOUSE
https://www.linkedin.com/compa...External No Text
https://twitter.com/the_iPHAExternal No Text
https://www.facebook.com/Passi...External No Text
https://www.instagram.com/pass...External No Text
https://www.youtube.com/channe...External No Text
https://forum.passivehouse.com/External Subdomain No Text
https://blog.passivehouse-inte...New window External Subdomain No Text
/index.php?page_id=76Read our latest news
https://www.ig-passivhaus.de/u...External No Text
https://www.ig-passivhaus.de/u...External Book for the 3rd Passive House Award published as a flipbook: Browse through the Passive House variety!
https://www.ig-passivhaus.de/u...New window External Have a look at the flipbook here
/index.php?page_id=569No Text
/index.php?page_id=569New window #EfficiencyFirst
/index.php?page_id=569New window Text duplicate #EfficiencyFirst
/index.php?page_id=569Trivial anchor text
here
/upload/20230328_Press_Release...New window Press Release
/upload/20230303_Press_Release...New window Text duplicate Press Release
/upload/20230127_Press_Release...New window Text duplicate Press Release
https://outphit.eu/en/news/202...External Text duplicate Press Release
/upload/20221219_Press_Release...New window Text duplicate Press Release
/upload/20221104_Press_Release...New window Text duplicate Press Release
/upload/20221021_Press_Release...New window Text duplicate Press Release
/upload/20220725_Press_Release...New window Text duplicate Press Release
/upload/20220629_Press_Release...New window Text duplicate Press Release
/upload/20220613_Press_Release...New window Text duplicate Press Release
/upload/20220522_Press_Release...New window Text duplicate Press Release
/upload/20220408_Press_Release...New window Text duplicate Press Release
/upload/20212312_Press_Release...New window Text duplicate Press Release
https://outphit.eu/media/filer...New window External Text duplicate Press Release
/upload/20210111_Press_Release...New window Text duplicate Press Release
/upload/20212910_Press_Release...New window Text duplicate Press Release
/upload/20210510_Press_Release...New window Text duplicate Press Release
/upload/20210916_Press_Release...New window Text duplicate Press Release
/upload/20210908_Press_Release...New window Text duplicate Press Release
/upload/20210827_Press_Release...New window Text duplicate Press Release
/upload/20210817_Press_Release...New window Text duplicate Press Release
/upload/20210716_Press_Release...New window Text duplicate Press Release
/upload/20210708_Press_Release...New window Text duplicate Press Release
/upload/20210623_Press_Release...New window Text duplicate Press Release
/upload/20210602_Press_Release...New window Text duplicate Press Release
/upload/20210329_Press_Release...New window Text duplicate Press Release
/upload/20210215_Press_Release...New window Text duplicate Press Release
/upload/20210128_Press_Release...New window Text duplicate Press Release
/upload/20201125_Press_Release...New window Text duplicate Press Release
/upload/20201102_Press_Release...New window Text duplicate Press Release
/upload/20201013_Press_Release...New window Text duplicate Press Release
/upload/20200922_Press_Release...New window Text duplicate Press Release
/upload/20200915_Press_Release...New window Text duplicate Press Release
/upload/20200814_Press_Release...New window Text duplicate Press Release
/upload/20200723_Press_Release...New window Text duplicate Press Release
/upload/20200630_Press_Release...New window Text duplicate Press Release
/upload/20200605_Press_Release...New window Text duplicate Press Release
/upload/20200518_Press_Release...New window Text duplicate Press Release
/upload/20200130_Press_Release...New window Text duplicate Press Release
/upload/20200116_Press_Release...New window Text duplicate Press Release
/upload/20191223_Press_Release...New window Text duplicate Press Release
/upload/20191022_Press_Release...New window Text duplicate Press Release
/upload/20191021_Press_Release...New window Text duplicate Press Release
https://www.architecture.com/k...External Text duplicate Press Release
/upload/20190828_Press_Release...New window Text duplicate Press Release
/upload/20190717_Press_Release...New window Text duplicate Press Release
/upload/20190523_Press_Release...New window Text duplicate Press Release
/upload/20190502_Press_release...New window Text duplicate Press Release
http://www.passipedia.org/New window External Text duplicate PASSIPEDIA
http://www.passipedia.org/New window External IMG-ALT The Passive House resource
https://forum.passivehouse.com/New window External Subdomain FORUM
https://forum.passivehouse.com/New window External Subdomain IMG-ALT The Passive House forum
/memberform.phpBECOME A MEMBER
/memberSearch.phpMember Search
/membersArea.phpMember Area Login
/index.php?page_id=75New window Upcoming Events
/index.php?page_id=262New window Passive House Open Days
http://www.passivehouseconfere...New window External Int'l Passive House Conference
http://www.passivhausprojekte....New window External PASSIVE HOUSE DATABASE
/index.php?page_id=211&level1_...Register your project
/index.php?page_id=288Map of Certified Passive Houses
/index.php?page_id=194KEY PLAYERS
http://www.passiv.de/en/03_cer...New window External Building Certifiers
http://www.passivhausplaner.eu...New window External Certified Designers
http://www.passivehouse-trades...New window External Certified Tradespeople
http://database.passivehouse.c...New window External Subdomain Certified Components
http://passiv.de/en/04_phpp/03...New window External PHPP Resellers
http://www.passivhausplaner.eu...New window External Designer course providers
http://passivehouse-trades.org...New window External Tradesperson course providers
/index.php?page_id=249New window Affiliates
https://www.facebook.com/Passi...New window External iPHA on Facebook
https://instagram.com/passiveh...New window External iPHA on Instagram
https://twitter.com/the_iPHANew window External @the_iPHA on Twitter
https://passiv.de/LegalNotice....New window External Text duplicate Legal notice
https://passiv.de/Disclaimer.htmlNew window External Disclaimer
https://passiv.de/PrivacyPolic...New window External Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://passivehouse-international.org/"
HTTP header
(Important)
The used PHP version is outdated and may be a security risk.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
This page loads 8 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.18 seconds.
This page only loads 3 CSS files. That's ok.
The file size of the HTML document is fine (115 kB).

HTTP Response Header

NameValue
dateWed, 10 May 2023 13:25:01 GMT
serverApache/2.4.56 (Debian)
x-powered-byPHP/5.6.40-65+0~20230409.73+debian11~1.gbp473a1b
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragmano-cache
set-cookie104 Characters
varyAccept-Encoding
content-encodinggzip
content-length23810
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,916 referring domains.
This page has 2,035,285 backlinks.
This page has backlinks from 902 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

passivehouse-international.org
International Passive House Association | Index
iPHA: The international network for Passive House knowledge; promoting the Passive House Standard worldwide

Most important keywords

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

KeywordResultRecheck
PASSIVE84%Check
HOUSE84%Check
Passive House84%Check
International Passive House83%Check
International82%Check
International Passive House Association77%Check
Passive House Standard74%Check
Passive House knowledge74%Check
International Passive House Conference74%Check
26th International Passive House73%Check
Show more keywords and terms

Test up to 1.000 webpages of passivehouse-international.org with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions