SEO report of technical-diving.nl
Technische duikschool, nitrox/trimix vulstation, werkplaats te Alkmaar
www.technical-diving.nl/
ANDI-Europe duikopleidingen en gasblender/servicetechnician trainingen, vulstation met 230-300 bar booster voor zuurstof, nitrox- en trimix. 06-81489777
Tasks
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.technical-diving.nl/
Character length : 24
Title
Technische duikschool, nitrox/trimix vulstation, werkplaats te Alkmaar
Description
ANDI-Europe duikopleidingen en gasblender/servicetechnician trainingen, vulstation met 230-300 bar booster voor zuurstof, nitrox- en trimix. 06-81489777
Keywords (meta keywords)
technical,diving,andi,duikschool,opleidingen,alkmaar,vulstation,nitrox,trimix,zuurstof,300,duiken,noordzee,mattanja,wrakduiken,gasblender,duikmes,greenriver,gap
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
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
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
Technische duikschool, nitrox/trimix vulstation, werkplaats te Alkmaar
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 20%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 2 | 25 | 0 | 1 | 0 | 0 |
Heading structure in the source code
- <H1> Over ons..
- <H2> American Nitrox Divers Int.
- <H2> Duik-opleidingen
- <H2> Technician-opleidingen
- <H2> Noordzeewrakduiken
- <H2> Duikteam/duikvereniging
- <H2> Agenda
- <H4> Content on this page requires a newer version of Adobe Flash Player.
- <H2> Home
- <H2> Duikopleidingen
- <H2> Duikwinkel
- <H2> Vulstation
- <H2> Noordzeewrakduiken
- <H2> Contact
- <H1> Nieuws
- <H2> Laatste updates:
- <H2> 11 Mrt 2011 - Te koop: ANDI SafeAir - Nitrox/Trimix vulstation
- <H2> 13-15 Mei 2011 - Weekend bootduiken Oosterschelde
- <H2> 26 Dec '10 / Underwater robotics 'science, design and fabrication'
- <H2> 7 Dec 2011 - Nieuwe site wrakkenmuseum Terschelling
- <H2> 13 Dec '10 / Agenda noordzeewrakduiken Mattanja 2011 online.
- <H2> 22 nov '10 / X-Ray International Dive Magazine # 39 is online.
- <H2> 7 Nov '10 / Geslaagden ANDI Gasblender opleiding (CGB)
- <H2> 31 Okt '10 / Geslaagden ANDI Servicetechnician opleiding (CST)
- <H2> 1 Okt '10 / Geslaagd voor de REVO level II (mCCR/eCCR) opleiding
- <H2> Bekijk live de AIS/GPS positie van diverse duikcharters
- <H2> 11 Mrt'10 / GAP-diveplanner release 3 nu leverbaar
- <H2> ANDI Europe trainingsfacility #006 - Technical-Diving, Smeeke ven 88 Assendelft Tel. 06-81489777 E-mail: info@technical-diving.nl
Word cloud
- andi14
- site9
- noordzeewrakduiken8
- duiken7
- mattanja6
- vulstation6
- info6
- opleidingen6
- agenda5
- www5
- technical-diving5
- bar4
- gap4
- toegevoegd4
- meter4
- nitrox4
- europe4
- echt4
- opleiding4
- laatste3
- etc3
- noordzee3
- trimix3
- maken3
- ais3
- nieuwe3
- dec3
- wrakkenmuseum3
- zelf3
- magazine3
- x-ray3
- schip3
- weekend3
- geslaagden3
- nieuws3
- email3
- revo3
- foto's3
- uitgebreide3
- links3
- terschelling3
- technische3
- één3
- stap2
- ervaring2
- okt2
- info@technical-diving2
- cst2
- afgerond2
- succes2
- actuele2
- download2
- snip2
- frans2
- volgen2
- e-mail2
- absoluut2
- dagen2
- deze2
- steengroeven2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| andi | |||
| site | |||
| noordzeewrakduiken | |||
| duiken | |||
| mattanja | |||
| vulstation |
Two Word cloud
- den helder2
404 Page
The website has a 404 error page.
Flash content
Error! We found flash content(s) on this website which cannot be indexed by the search engines.
Frame
Good! The website does not use iFrame solutions.
Images
We found 15 images on this web page.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Technologies
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.
Table layout
Good! No nested tables found.
Number of HTTP resources
33
Number of source domains
7
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://www.technical-diving.nl/Scripts/swfobject_modified.js
- http://www.technical-diving.nl/(td).css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
69.43KB
Javascript minifying
You can save 2.3KB (39% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
6.21KB
CSS minifying
You can save 272B (16% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.technical-diving.nl/(td).css you can save 272B (16% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
47.59KB
Gzip compression
Error! By using Gzip you can save 1.2KB (62% compression) on your site.
- By compressing http://www.webhelpje.nl/teller/teller.php?name=gjschuler you can save 1.2KB (62% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
25
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.technical-diving.nl/(td).css | Expiry time is not specified |
| http://www.technical-diving.nl/Scripts/swfobject_modified.js | Expiry time is not specified |
| http://www.technical-diving.nl/images-default/borders/bodybg.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /container_b%20(920x10px-witte-streep-ond... | Expiry time is not specified |
| http://www.technical-diving.nl/.. /container_b%20(920x160px-dieptestrepen-r... | Expiry time is not specified |
| http://www.technical-diving.nl/images-default/corners/bl.gif | Expiry time is not specified |
| http://www.technical-diving.nl/images-default/corners/br.gif | Expiry time is not specified |
| http://www.technical-diving.nl/images-default/corners/tl.gif | Expiry time is not specified |
| http://www.technical-diving.nl/images-default/corners/tr.gif | Expiry time is not specified |
| http://www.technical-diving.nl/.. /logo-dive-the-future.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /logo-technical-diving.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /menuoverons-achtergrond.jpg | Expiry time is not specified |
| http://www.technical-diving.nl/.. /andi-cgb-gasblenderopleiding2.png | Expiry time is not specified |
| http://www.technical-diving.nl/images-pages/gapsoftware-release3.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /Build%20Your%20Own%20Underwater%20Robot%... | Expiry time is not specified |
| http://www.technical-diving.nl/.. /andi-ccr-revo-opleiding-level2-vlnr-helm... | Expiry time is not specified |
| http://www.technical-diving.nl/.. /andi-cgb-opleiding-geslaagden-hans-snip-... | Expiry time is not specified |
| http://www.technical-diving.nl/.. /andi-cst-opleiding-geslaagden-hans-snip-... | Expiry time is not specified |
| http://www.technical-diving.nl/images/live-ais-positie-mattanja.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /website-wrakkenmuseum-terschelling.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /www-technical-diving-nl---zeelandweekend... | Expiry time is not specified |
| http://www.technical-diving.nl/images/xraymagazine%2039.png | Expiry time is not specified |
| http://www.technical-diving.nl/.. /noordzeewrakduiken-programma-2010.png | Expiry time is not specified |
| https://www.adobe.com/.. /get_flash_player.gif | 5.8 minutes |
| http://www.google-analytics.com/ga.js | 2 hours |
Speed test – Images
File size of all images combined
1.10MB
Image optimisation
You can save 135.1KB (74% compression) by optimising the images below:
- By lossless compressing the http://www.technical-diving.nl/.. /Build%20Your%20Own%20Underwater%20Robot%... you can save 134.9KB (75%) data.
- By lossless compressing the http://www.technical-diving.nl/.. /container_b%20(920x10px-witte-streep-ond... you can save 146B (30%) data.
Links
We found a total of 129 different links.
Internal links: 118
External links: 11
Internal links: 118
External links: 11
External links:
Internal links:
Website security
IP
141.138.169.215
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
Warning! The website contains at least one unencrypted email address.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
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