SEO report of wzk-onderwatersport.nl

WZK Onderwatersport

www.wzk-onderwatersport.nl/

Duiken is een sport die de nodige kennis en training vraagt. Ook kun je veel leren van de ervaring van anderen.

   

 Tasks

  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.

 SEO

URL

Domain : www.wzk-onderwatersport.nl/

Character length : 27

Title
WZK Onderwatersport
Description
Duiken is een sport die de nodige kennis en training vraagt. Ook kun je veel leren van de ervaring van anderen.
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!

 Social

Social Engagement

No info found.

 Content

Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”nl”.
Title
WZK Onderwatersport

Character length : 19

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 13%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
156000
Heading structure in the source code
  • <H1> 
  • <H3> informatiebord
  • <H2> Welkom bij WZK onderwatersport
  • <H2> Lid van verdienste
  • <H2> Duiken met Hanneke Boot
  • <H2> Lessons for Life
  • <H2> NEN-EN250:2014 norm
  • <H3> Opleidingen
  • <H3> Voor leden
  • <H3> WZK Omni
  • <H3> Externe links
  • <H3> Informatie
Word cloud
  • wzk13
  • duiken6
  • onderwatersport6
  • lid5
  • vereniging3
  • onderwater3
  • nieuwe3
  • leden3
  • opleidingsrooster3
  • hanneke3
  • opfriscursus3
  • omni3
  • inzet2
  • doen2
  • boot2
  • nob2
  • ledenvergadering2
  • guus2
  • voorzitter2
  • verdienste2
  • lees2
  • gaan2
  • contributie2
  • aangesloten2
  • hier2
  • worden2
  • login2
  • lessons2
  • for2
  • leren2
  • berichten/verslagen2
  • home2
  • bestuur2
  • zwembadrooster2
Keyword matrix
wordtitledescriptionsheading
wzk
duiken
onderwatersport
lid
vereniging
onderwater
Two Word cloud
  • wzk onderwatersport3
  • onderwatersport wzk2
  • home bestuur2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 14 images on this web page.

Alternate attributes for the following 11 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Technologies

Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
770 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
45
Number of source domains
4
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • https://www.wzk-onderwatersport.nl/.. /jquery.min.js?6bc1515d51a66430975c9556ef...
  • https://www.wzk-onderwatersport.nl/.. /jquery-noconflict.js?6bc1515d51a66430975...
  • https://www.wzk-onderwatersport.nl/.. /jquery-migrate.min.js?6bc1515d51a6643097...
  • https://www.wzk-onderwatersport.nl/.. /caption.js?6bc1515d51a66430975c9556effc3...
  • https://www.wzk-onderwatersport.nl/.. /bootstrap.min.js?6bc1515d51a66430975c955...
  • https://www.wzk-onderwatersport.nl/.. /jquery.flexslider.js
  • https://www.wzk-onderwatersport.nl/.. /jquery.mousewheel.js
  • https://www.wzk-onderwatersport.nl/.. /jquery.fitvids.js
  • https://www.wzk-onderwatersport.nl/.. /favslider.js
  • https://www.wzk-onderwatersport.nl/.. /viewportchecker.js
  • https://www.wzk-onderwatersport.nl/.. /backtop.js
List of render blocking css files
  • https://www.wzk-onderwatersport.nl/media/jui/css/bootstrap.min.css
  • https://www.wzk-onderwatersport.nl/.. /bootstrap-responsive.css
  • https://www.wzk-onderwatersport.nl/.. /favslider.css
  • https://fonts.googleapis.com/css?family=Roboto
  • https://fonts.googleapis.com/css?family=Open+Sans:400
  • https://www.wzk-onderwatersport.nl/.. /font-awesome.css
  • https://www.wzk-onderwatersport.nl/templates/haven/css/k2style.css
  • https://www.wzk-onderwatersport.nl/templates/haven/css/joomla.css
  • https://www.wzk-onderwatersport.nl/templates/haven/css/template.css
  • https://www.wzk-onderwatersport.nl/.. /style3.css
  • http://fonts.googleapis.com/css?family=Open%20Sans
  • http://fonts.googleapis.com/css?family=Muli

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • http://www.wzk-onderwatersport.nl/media/jui/js/jquery.min.js
  • http://www.wzk-onderwatersport.nl/media/jui/js/jquery-noconflict.js
  • http://www.wzk-onderwatersport.nl/media/jui/js/jquery-migrate.min.js
  • http://www.wzk-onderwatersport.nl/media/system/js/caption.js
  • http://www.wzk-onderwatersport.nl/media/jui/js/bootstrap.min.js
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/js/jquery.flexslider.js
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/js/jquery.mousewheel.js
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/js/jquery.fitvids.js
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/js/favslider.js
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/js/viewportchecker/viewportchecker.js
  • http://www.wzk-onderwatersport.nl/templates/haven/js/backtop/backtop.js
File size of all javascript files combined
164.32KB
Javascript minifying
You can save 5.5KB (49% compression) on the analysed URL by minifying the javascript files.

 Speed test – CSS

CSS
Error! Too many CSS files detected that slows down the page load.
  • http://www.wzk-onderwatersport.nl/media/jui/css/bootstrap.min.css
  • http://www.wzk-onderwatersport.nl/media/jui/css/bootstrap-responsive.css
  • http://www.wzk-onderwatersport.nl/modules/mod_favslider/theme/css/favslider.css
  • http://www.wzk-onderwatersport.nl/templates/haven/icons/css/font-awesome.css
  • http://www.wzk-onderwatersport.nl/templates/haven/css/k2style.css
  • http://www.wzk-onderwatersport.nl/templates/haven/css/joomla.css
  • http://www.wzk-onderwatersport.nl/templates/haven/css/template.css
  • http://www.wzk-onderwatersport.nl/templates/haven/css/styles/style3.css
File size of all css files combined
368.20KB
CSS minifying
You can save 55.5KB (22% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
24.58KB
Gzip compression
Error! By using Gzip you can save 87KB (83% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
35
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
https://upload.wikimedia.org/.. /1200px-DAN_logo_horizontal_w_YDSA.pngExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/IMG_3171.JPGExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/IMG_5758.JPGExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/IMG_5762.JPGExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /logo-onderwatersport.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/logo/noblogo.pngExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/0.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/1.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/2.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/3.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/4.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/slides/5.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/stories/calibris.gifExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/stories/iahdlogo.bmpExpiry time is not specified
https://www.wzk-onderwatersport.nl/images/stories/wzk_logo_nieuw.jpgExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /bootstrap-responsive.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/media/jui/css/bootstrap.min.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /glyphicons-halflings.pngExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /favslider.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /bg_direction_nav_dark.pngExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /favslider.jsExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /jquery.fitvids.jsExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /jquery.flexslider.jsExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /jquery.mousewheel.jsExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /viewportchecker.jsExpiry time is not specified
https://www.wzk-onderwatersport.nl/templates/haven/css/joomla.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/templates/haven/css/k2style.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /style3.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/templates/haven/css/template.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /font-awesome.cssExpiry time is not specified
https://www.wzk-onderwatersport.nl/.. /backtop.jsExpiry time is not specified

 Speed test – Images

File size of all images combined
5.31MB
Image optimisation
You can save 4.6MB (88% compression) by optimising the images below:

 Links

We found a total of 51 different links.
Internal links: 34
External links: 17

External links:

Link text (anchor) Link strength
Dompeling Bokaal 2017
https://youtu.be/uR4bhmR_sz8
HIER
WZK Dance en Aerobics
WZK Zwemmen
* Diplomazwemmen
* Waterpolo
* Wedstrijdzwemmen
WZK Tri-Team
NOB
http://www.onderwatersport.org
CMAS
http://www.cmas2000.org
Getijdentabel
Lessons for live
aangesloten bij WZK Omni Vereniging
http://www.iahd.org

Internal links:

Link text (anchor) Link strength
Home
Bestuur
Berichten/verslagen
Lid worden?
Login
http://www.wzk-onderwatersport.nl
De smaak te pakken?
Nieuwe roosters
Opfriscursus
Lees meer...
HIER
Meerval gespot
Introductieduik
Persluchtopleidingen
Duiken met een beperking
Opfriscursus
Erkend leerbedrijf
Geslaagd!
Zwembadrooster
1* opleidingsrooster
2* opleidingsrooster
3* opleidingsrooster
Module redden rooster
Duikagenda
Barrooster
Vulregeling
Contributie 2017
ARBO stukken WZK OWS
WZK Onderwatersport
Meetstation Rotterdam
Sportduiken
Zwangerschap en duiken
Duiken met kinderen
NEN-EN250:2014

 Website security

IP
185.69.233.108
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

 Sites on same ip

wzk-onderwatersport.nl

wzk-onderwatersport.nl

mchlserver.nl

mchlserver.nl

epater-installatietechniek.nl

epater-installatietechniek.nl

nesdesign.nl

nesdesign.nl

wzk-waterpolo.nl

wzk-waterpolo.nl

muziekschool-rhenen.nl

muziekschool-rhenen.nl

callglobal.nl

callglobal.nl

briljantcleaning.nl

briljantcleaning.nl

 Icons

Favicon
Good! The website uses favicon.

 Order of Heading elements on mobile by position

  • H1 : , ( 42px from top )
  • H3 : informatiebord, ( 2091px from top )
  • H2 : Welkom bij WZK onderwatersport , ( 2499px from top )
  • H2 : Lid van verdienste , ( 2845px from top )
  • H2 : Duiken met Hanneke Boot , ( 3659px from top )

 Typos

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