Aivc.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
31% 
Page structure
79% 
Link structure
25% 
Server
93% 
External factors
100% 
SEO Score
Response time
0.54 s
File size
119.60 kB
Words
509
Media files
37
Number of links
123 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
AIVC | Air Infiltration and Ventilation Centre
The length of the page title is perfect. (387 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Air Infiltration and Ventilation Centre
The length of the meta description is perfect. (224 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.aivc.org/
There is a valid canonical link 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
viewportwidth=device-width, initial-scale=1
descriptionAir Infiltration and Ventilation Centre
generatorDrupal 7 (https://www.drupal.org)
dcterms.titleAIVC
dcterms.descriptionAir Infiltration and Ventilation Centre
dcterms.typeText
dcterms.formattext/html
dcterms.identifierhttps://www.aivc.org/
langen
twitter:cardsummary
twitter:titleAIVC
twitter:urlhttps://www.aivc.org/
twitter:descriptionAir Infiltration and Ventilation Centre
og:site_nameAIVC
og:typearticle
og:titleAIVC
og:urlhttps://www.aivc.org/
og:descriptionAir Infiltration and Ventilation Centre
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
No paragraphs were detected.
This page contains 509 words. That's ok.
18.5% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
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 10 tags for this page.
Image SEO
(Somewhat important)
25 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)
At least one javascript file was found, which is not integrated via HTTPS.
This website uses HTTPS to protect privacy and integrity of the exchanged data.

Media list

URLAlt attributeTitle
...hemes/Porto/img/aivc_social_linkedin.pngLinkedIn
/sites/all/themes/Porto/img/x-twitter2.svgX
.../all/themes/Porto/img/aivc_social_yt.pngYouTube
...themes/Porto/img/aivc_social_scoopit.svgPaper
/system/files/aivc_logo_0_0.pngHome
...themes/temaskills800/images/logo_ebc.pngNo alt attribute provided
...themes/temaskills800/images/logo_ebc.pngNo alt attribute provided
/sites/all/themes/Porto/img/icon-login.pngNo alt attribute provided
...ystem/files/official image AIVC 2024.jpgNo alt attribute provided
/system/files/AIVC2025.PNGNo alt attribute provided
/system/files/slide_07_0.jpgNo alt attribute provided
/system/files/slide_04_1.jpgNo alt attribute provided
/system/files/slide_08_1.jpgNo alt attribute provided
/system/files/slide_01_0.jpgNo alt attribute provided
/system/files/Capture_29.PNGAIVC Newsletter, March 2021
/system/files/Capture_32.PNGTighVent_NL_2021.PNG
https://www.aivc.org/system/files/VNL_0.PNGVNL.PNG
.../publi/public/VIP_38.1.PNG?itok=qtrsEzpyNo alt attribute provided
...yles/publi/public/TN73.PNG?itok=kGJ0S7xtNo alt attribute provided
...publi/public/VIP_45.12.PNG?itok=eWtVLDsaNo alt attribute provided
...publi/public/VIP_45.11.PNG?itok=EsT_yFHUNo alt attribute provided
.../publi/public/VIP45.10.PNG?itok=_pyurOqVNo alt attribute provided
/sites/all/themes/Porto/img/bann_newsl.pngNo alt attribute provided
/sites/all/themes/Porto/img/bann_map.pngNo alt attribute provided
...deo-thumb/public/Intro.png?itok=pnFlXSsRNo alt attribute provided
.../public/CaptureIntro_0.PNG?itok=-v9dIaZ5No alt attribute provided
...umb/public/Intro_Image.PNG?itok=qjW4Kpz2No alt attribute provided
...ideo-thumb/public/1_WB.PNG?itok=3eRAu_NtNo alt attribute provided
...public/Capture_Intro_2.PNG?itok=6JFFOBoUNo alt attribute provided
...mb/public/CaptureIntro.PNG?itok=06eXVIf3No alt attribute provided
..._WEP_POSTER_729x1031_2.jpg?itok=t3PUXrN3No alt attribute provided
...thumb/public/CaptureBJ.PNG?itok=YZgODf7mNo alt attribute provided
...ll/themes/Porto/img/aivc_logo_footer.pngNo alt attribute provided
...hemes/Porto/img/aivc_social_linkedin.pngLinkedIn
/sites/all/themes/Porto/img/x-twitter2.svgTwitter
.../all/themes/Porto/img/aivc_social_yt.pngYouTube
...themes/Porto/img/aivc_social_scoopit.svgPaper

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 Publications
H2 Events
H2 News
H2 Multimedia
Some anchor texts are used more than once.
15 links don't have an anchor text.
There are 9 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 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT LinkedIn
A-TITLE Go to AIVC LinkedIn page
https://x.com/AIVCnewsNew window External IMG-ALT X
A-TITLE Go to AIVC twitter page
https://www.youtube.com/channe...New window External Subdomain IMG-ALT YouTube
A-TITLE Go to AIVC YouTube page
https://www.inive.org/resource...New window External Subdomain IMG-ALT Paper
A-TITLE Go to INIVE sccop.it page
https://www.aivc.org/IMG-ALT Home
A-TITLE Home
https://www.iea-ebc.org/New window External Subdomain No Text
https://www.aivc.org/about-usAbout
A-TITLE About AIVC
/about-us/what-is-aivcAIVC
/about-us/aivc-countriesAIVC Countries
A-TITLE AIVC Countries
/about-us/board-membersAIVC Board
/about-us/industry-advisory-co...AIVC Industry Advisory Committee
A-TITLE AIVC Industry Advisory Committee
/about-us/collaborationsCollaborations
https://www.aivc.org/events-listEvents
/events/conferencesConferences
/events/workshopsWorkshops
/events/webinarsWebinars
https://www.aivc.org/resourcesResources
A-TITLE AIVC Resources (Airbase, AIVC Publications, Collections, News, Newsletter and Faqs)
/resources/airbaseAIRBASE
/resources/collection-papers/a...AIVC Publications
/resources/collection-publicat...AIVC Conference Proceedings
/resources/collection-papersCollections of publications
/resources/multimediaMultimedia
/resources/newsNews
/resources/newslettersNewsletters
/resources/faqsFAQ
https://www.aivc.org/projectsFocus Fields & Projects
/focus-fields/smart-ventilationSmart Ventilation
/focus-fields/resilient-ventil...Resilient Ventilative Cooling
/focus-fields/building-ductwor...Building & Ductwork airtightness
/focus-fields/indoor-environme...Indoor Environmental Quality
/aivc-projectsAIVC Projects
https://www.aivc.org/contactContact & Join
A-TITLE Contact us
https://www.aivc.org/contact-usContact us
/user/registerRegister
https://www.aivc.org/how-to-joinHow to Join
/terms-and-conditions/useTerms and conditions
https://www.iea-ebc.org/New window External Subdomain No Text
https://www.aivc.org/user/loginLogin
/user/registerText duplicate Register
/event/9-10-october-2024-confe...Subdomain Trivial anchor text
read more
/event/24-26-september-2025-co...Subdomain Text duplicate Trivial anchor text
read more
/event/16-17-may-2025-hannover...Subdomain Text duplicate Trivial anchor text
read more
/event/20-june-2024-webinar-ne...Subdomain Text duplicate Trivial anchor text
read more
/event/21-march-2024-webinar-d...Subdomain Text duplicate Trivial anchor text
read more
/resources/newslettersSubdomain Subscribe to our newsletters
/resources/newslettersSubdomain Text duplicate Trivial anchor text
read more
/focus-fields/smart-ventilationText duplicate Smart Ventilation
/focus-fields/resilient-ventil...Text duplicate Resilient Ventilative Cooling
/focus-fields/building-ductwor...Text duplicate Building & Ductwork airtightness
/focus-fields/indoor-environme...Text duplicate Indoor Environmental Quality
/content/aivc-newsletter-march...Subdomain Text duplicate Trivial anchor text
read more
/content/tightvent-newsletter-...Subdomain Text duplicate Trivial anchor text
read more
/content/venticool-newsletter-...Subdomain Text duplicate Trivial anchor text
read more
/resource/vip-481-trends-build...No Text
/resource/vip-481-trends-build...VIP 48.1: Trends in building...
A-TITLE VIP 48.1: Trends in building ventilation requirements and inspection in Spain
/resource/vip-481-trends-build...A-TITLE Read more about VIP 48.1: Trends in building...
/resource/tn-73-overview-trend...No Text
/resource/tn-73-overview-trend...TN 73: Overview of the trends in...
A-TITLE TN 73: Overview of the trends in building and ductwork airtightness in 16 countries
/resource/tn-73-overview-trend...A-TITLE Read more about TN 73: Overview of the trends in...
/resource/vip-4512-trends-buil...No Text
/resource/vip-4512-trends-buil...VIP 45.12: Trends in building and...
A-TITLE VIP 45.12: Trends in building and ductwork airtightness in USA
/resource/vip-4512-trends-buil...A-TITLE Read more about VIP 45.12: Trends in building and...
/resource/vip-4511-trends-buil...No Text
/resource/vip-4511-trends-buil...VIP 45.11: Trends in building and...
A-TITLE VIP 45.11: Trends in building and ductwork airtightness in New Zealand
/resource/vip-4511-trends-buil...A-TITLE Read more about VIP 45.11: Trends in building and...
/resource/vip-4510-trends-buil...No Text
/resource/vip-4510-trends-buil...VIP 45.10: Trends in building and...
A-TITLE VIP 45.10: Trends in building and ductwork airtightness in the Republic of Korea
/resource/vip-4510-trends-buil...A-TITLE Read more about VIP 45.10: Trends in building and...
/resources/airbaseView all publications
/event/24-26-september-2025-co...24-26 September 2025, Conference, Montreal, 45th AIVC - ASHRAE IEQ joint conference
A-TITLE 24-26 September 2025, Conference, Montreal, 45th AIVC - ASHRAE IEQ joint conference
/event/16-17-may-2025-hannover...16-17 May 2025, Hannover – “14th International BUILDAIR Symposium”
A-TITLE 16-17 May 2025, Hannover – “14th International BUILDAIR Symposium”
/event/9-10-october-2024-confe...9-10 October 2024, Conference, Dublin– 44th AIVC conference
A-TITLE 9-10 October 2024, Conference, Dublin– 44th AIVC conference
/event/20-june-2024-webinar-ne...20 June 2024, Webinar – New developments in design and characterisation of energy-efficient ventilation...
A-TITLE 20 June 2024, Webinar – New developments in design and characterisation of energy-efficient ventilation systems
https://www.aivc.org/events-listView all events
/resources/airbaseClick here for searching in a database of 23215 publications with 16257 pdf documents
/resources/newslettersNo Text
/about-us/aivc-countriesNo Text
/news/energy-efficiency-and-in...Energy Efficiency and Indoor Climate in Buildings is out!
A-TITLE Energy Efficiency and Indoor Climate in Buildings is out!
/news/energy-buildings-special...Energy & Buildings special issue: “Resilient Ventilation in Relation to Health, Safety, and Climate Change”
A-TITLE Energy & Buildings special issue: “Resilient Ventilation in Relation to Health, Safety, and Climate Change”
/news/recordings-webinar-desig...Recordings from the webinar "Design and performance assessment of Ventilative Cooling"
A-TITLE Recordings from the webinar "Design and performance assessment of Ventilative Cooling"
/news/16-17-may-2025-hannover-...16-17 May 2025, Hannover - 14th International BUILDAIR Symposium
A-TITLE 16-17 May 2025, Hannover - 14th International BUILDAIR Symposium
/resources/newsView all news
/content/design-and-performanc...No Text
/content/design-and-performanc...Design and performance assessment of...
/content/new-developments-desi...No Text
/content/new-developments-desi...New developments in design and...
/content/exploring-window-open...No Text
/content/exploring-window-open...Exploring window opening behaviour for...
/content/new-standards-guideli...No Text
/content/new-standards-guideli...New standards, guidelines or...
/content/airtightness-tests-hi...No Text
/content/airtightness-tests-hi...Airtightness tests for high-rise...
/content/smart-ventilation-non...No Text
/content/smart-ventilation-non...Smart ventilation in non-residential...
/content/aivc-2023-conference-...No Text
/content/aivc-2023-conference-...AIVC 2023 Conference - Recorded...
/content/alternative-methodolo...No Text
/content/alternative-methodolo...Alternative methodologies to evaluate...
/resources/multimediaView all multimedia
https://www.aivc.org/about-usText duplicate About
A-TITLE About AIVC
/about-us/what-is-aivcText duplicate AIVC
/about-us/aivc-countriesText duplicate AIVC Countries
A-TITLE AIVC Countries
/about-us/board-membersText duplicate AIVC Board
/about-us/industry-advisory-co...Text duplicate AIVC Industry Advisory Committee
A-TITLE AIVC Industry Advisory Committee
/about-us/collaborationsText duplicate Collaborations
https://www.aivc.org/events-listText duplicate Events
/events/conferencesText duplicate Conferences
/events/workshopsText duplicate Workshops
/events/webinarsText duplicate Webinars
https://www.aivc.org/resourcesText duplicate Resources
A-TITLE AIVC Resources (Airbase, AIVC Publications, Collections, News, Newsletter and Faqs)
/resources/airbaseText duplicate AIRBASE
/resources/collection-papers/a...Text duplicate AIVC Publications
/resources/collection-publicat...Text duplicate AIVC Conference Proceedings
/resources/collection-papersText duplicate Collections of publications
/resources/multimediaText duplicate Multimedia
/resources/newsText duplicate News
/resources/newslettersText duplicate Newsletters
/resources/faqsText duplicate FAQ
https://www.aivc.org/projectsText duplicate Focus Fields & Projects
/focus-fields/smart-ventilationText duplicate Smart Ventilation
/focus-fields/resilient-ventil...Text duplicate Resilient Ventilative Cooling
/focus-fields/building-ductwor...Text duplicate Building & Ductwork airtightness
/focus-fields/indoor-environme...Text duplicate Indoor Environmental Quality
/aivc-projectsText duplicate AIVC Projects
https://www.aivc.org/contactText duplicate Contact & Join
A-TITLE Contact us
https://www.aivc.org/contact-usText duplicate Contact us
/user/registerText duplicate Register
https://www.aivc.org/how-to-joinText duplicate How to Join
/terms-and-conditions/useText duplicate Terms and conditions
https://www.linkedin.com/compa...New window External Subdomain Text duplicate IMG-ALT LinkedIn
A-TITLE Go to AIVC LinkedIn page
https://x.com/AIVCnewsNew window External IMG-ALT Twitter
A-TITLE Go to AIVC X page
https://www.youtube.com/channe...New window External Subdomain Text duplicate IMG-ALT YouTube
A-TITLE Go to AIVC YouTube page
https://www.inive.org/resource...New window External Subdomain Text duplicate IMG-ALT Paper
A-TITLE Go to INIVE sccop.it page

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.aivc.org/"
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 of 0.54 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.
The file size of the HTML document is fine (120 kB).

HTTP Response Header

NameValue
expiresSun, 19 Nov 1978 05:00:00 GMT
cache-controlno-cache, must-revalidate
x-content-type-optionsnosniff
x-commerce-core1
content-languageen
permissions-policyinterest-cohort=()
x-generatorDrupal 7 (https://www.drupal.org)
link<https://www.aivc.org/>; rel="canonical",<https://www.aivc.org/>; rel="shortlink",<https://www.aivc.org/sites/default/files/favicon.ico>; rel="shortcut icon"
content-encodinggzip
varyAccept-Encoding
content-typetext/html; charset=utf-8
dateThu, 12 Sep 2024 17:38:45 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 1,281 referring domains.
This page has 13,923 backlinks.
This page has backlinks from 542 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
Crawl-delay: 10
# CSS, JS, Images
Allow: /misc/*.css$
Allow: /misc/*.css?
Allow: /misc/*.js$
Allow: /misc/*.js?
Allow: /misc/*.gif
Allow: /misc/*.jpg
Allow: /misc/*.jpeg
Allow: /misc/*.png
Allow: /modules/*.css$
Allow: /modules/*.css?
Allow: /modules/*.js$
Allow: /modules/*.js?
Allow: /modules/*.gif
Allow: /modules/*.jpg
Allow: /modules/*.jpeg
Allow: /modules/*.png
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /themes/*.css$
Allow: /themes/*.css?
Allow: /themes/*.js$
Allow: /themes/*.js?
Allow: /themes/*.gif
Allow: /themes/*.jpg
Allow: /themes/*.jpeg
Allow: /themes/*.png
# Directories
Disallow: /includes/
Disallow: /misc/
Disallow: /modules/
Disallow: /profiles/
Disallow: /scripts/
Disallow: /themes/
# Files
Disallow: /CHANGELOG.txt
Disallow: /cron.php
Disallow: /INSTALL.mysql.txt
Disallow: /INSTALL.pgsql.txt
Disallow: /INSTALL.sqlite.txt
Disallow: /install.php
Disallow: /INSTALL.txt
Disallow: /LICENSE.txt
Disallow: /MAINTAINERS.txt
Disallow: /update.php
Disallow: /UPGRADE.txt
Disallow: /xmlrpc.php
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips/
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /?q=admin/
Disallow: /?q=comment/reply/
Disallow: /?q=filter/tips/
Disallow: /?q=node/add/
Disallow: /?q=search/
Disallow: /?q=user/password/
Disallow: /?q=user/register/
Disallow: /?q=user/login/
Disallow: /?q=user/logout/

Similar sites

Search preview

www.aivc.org
AIVC | Air Infiltration and Ventilation Centre
Air Infiltration and Ventilation Centre

Most important keywords

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

KeywordResultRecheck
AIVC61%Check
Ventilation58%Check
AIVC Conference48%Check
44th AIVC48%Check
ventilation systems46%Check
Smart Ventilation46%Check
Ventilation Information46%Check
New42%Check
News42%Check
Ventilation Information Paper42%Check
Show more keywords and terms

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