to-duiksport.nl

Tasks

Make the site mobile device friendly.
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.
Use "H" tags.

SEO

URL

Domain : www.to-duiksport.nl/

Character length : 20

Title

T&O Duiksport duikschool en duikshop te Purmerend voor snorkel- en duikmateriaal.

Description

T&O Onderwatersport Duiksport Snorkelspecialist van Noord-Holland, PADI 5* duikschool te Purmerend. Voor uw snorkel- en duikmatieraal. Duikwinkel in Purmerend - Waterland, Welkom in onze onderwaterwereld.

Keywords (meta keywords)

Onderwatersport, Duiken, Snorkelen, Snorkelspecialist van Noord-Holland, Kindersnorkelsets, Vinnen, Snorkel maskers, snorkelset, vakantie snorkelset, Duiksport, duikschool PADI, SSI, IANTD, DAN, duiko

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

Missing doctype element

Encoding

Perfect! The character encoding is set: WINDOWS-1252.

Language

We have found the language localisation: ”nl”.

Title

T&O Duiksport duikschool en duikshop te Purmerend voor snorkel- en duikmateriaal.

Character length : 86

Improve! The website address (title) should be between 10 and 70 characters in length.

Text / HTML ratio

Ratio : 14%

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

H1	H2	H3	H4	H5	H6
0	0	0	0	0	0

No "H" tags found

Heading structure in the source code

Word cloud

mei10
cursus6
open6
water6
duiken5
duiksport4
diver3
volgen3
t&o3
vakantie3
zwembad2
onderwatersport2
vanaf2
snorkelen2
wereld2
krijg2
wil2
geven2
deze2
duiker2
info2
nederland2
noord-holland2
onderwaterwereld2
onderwaterfotografie2
nmelden2
padi2
privé2
persoonlijk2

Keyword matrix

word	title	descriptions	heading
mei
cursus
open
water
duiken
duiksport

Two Word cloud

open water3

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 34 images on this web page.

Alternate attributes for the following 28 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

Technologies

Mobile optimization

Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 1149px wide display!

Deprecated HTML elements

Error! Deprecated HTML tags are used on this webpage. You should improve your website.

Deprecated HTML tags	Occurrences
<font>	79

Redirection (www / not www)

Error! The web address is accessible with and without www!

Deprecated HTML elements

Error! Deprecated HTML tags are used on this webpage. You should improve your website.

Deprecated HTML tags	Occurrences
<font>	79

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

464 ms

Table layout

Error! Avoid using nested tables!

Number of HTTP resources

Number of source domains

Render blocking resources

Good! No render blocking elements found!

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

0.00

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

File size of all css files combined

0.00

CSS minifying

Great! The CSS elements are minified.

Speed test – Compression

Uncompressed size of the of the HTML

34.41KB

Gzip compression

Your site uses compression.

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
http://www.to-duiksport.nl/50115_5star_DC_print[1].jpg	Expiry time is not specified
http://www.to-duiksport.nl/.. /banner-eLearning_DU-4.Static.jpg	Expiry time is not specified
http://www.to-duiksport.nl/Hiswa/ZmixxznII_HISWA.png	Expiry time is not specified
http://www.to-duiksport.nl/.. /Flyer%20TO-Duiksport%20-%20achterkant.jp...	Expiry time is not specified
http://www.to-duiksport.nl/Images/bubble.gif	Expiry time is not specified
http://www.to-duiksport.nl/Images/bubble2.gif	Expiry time is not specified
http://www.to-duiksport.nl/Images/bubble3.gif	Expiry time is not specified
http://www.to-duiksport.nl/Images/bubble4.gif	Expiry time is not specified
http://www.to-duiksport.nl/Images/clownsvis.jpg	Expiry time is not specified
http://www.to-duiksport.nl/MasPur1a.jpg	Expiry time is not specified
http://www.to-duiksport.nl/buitenagenda.jpg	Expiry time is not specified
http://www.to-duiksport.nl/button10.jpg	Expiry time is not specified
http://www.to-duiksport.nl/button11.jpg	Expiry time is not specified
http://www.to-duiksport.nl/button12.jpg	Expiry time is not specified
http://www.to-duiksport.nl/buttonA.jpg	Expiry time is not specified
http://www.to-duiksport.nl/buttonB.jpg	Expiry time is not specified
http://www.to-duiksport.nl/contact.jpg	Expiry time is not specified
http://www.to-duiksport.nl/foto's%20duikteampagina's/IMG_5846.jpg	Expiry time is not specified
http://www.to-duiksport.nl/index_bestanden/Facebook%20knop.jpg	Expiry time is not specified
http://www.to-duiksport.nl/.. /T&o%20Duiksport%20PADI%20Open%20Water.jp...	Expiry time is not specified
http://www.to-duiksport.nl/index_bestanden/image001.gif	Expiry time is not specified
http://www.to-duiksport.nl/jpg/PADIOpenWaterDVDKit.jpg	Expiry time is not specified
http://www.to-duiksport.nl/logo_dan.gif	Expiry time is not specified
http://www.to-duiksport.nl/t-o.gif	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/duiklinks.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/duikreizen.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/duikshop.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/duikteam.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/fotogallerij.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/gastenboek.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/home.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/onderhoud.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/orc.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/orc3.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/orka-vector-final.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/padi-opleidingen.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/sealteam.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/t-oduiksport.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/t1.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/verhuur.jpg	Expiry time is not specified
http://www.to-duiksport.nl/web/menu/vulstation.jpg	Expiry time is not specified

Speed test – Images

File size of all images combined

151.98KB

Image optimisation

You can save 49.9KB (38% compression) by optimising the images below:

By lossless compressing the http://www.to-duiksport.nl/Hiswa/ZmixxznII_HISWA.png you can save 11.4KB (81%) data.
By lossless compressing the http://www.to-duiksport.nl/.. /banner-eLearning_DU-4.Static.jpg you can save 4.4KB (28%) data.
By lossless compressing the http://www.to-duiksport.nl/.. /T&o%20Duiksport%20PADI%20Open%20Water.jp... you can save 2.9KB (29%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/onderhoud.jpg you can save 2.4KB (63%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/vulstation.jpg you can save 2.3KB (64%) data.
By lossless compressing the http://www.to-duiksport.nl/.. /Flyer%20TO-Duiksport%20-%20achterkant.jp... you can save 2KB (21%) data.
By lossless compressing the http://www.to-duiksport.nl/foto's%20duikteampagina's/IMG_5846.jpg you can save 1.9KB (32%) data.
By lossless compressing the http://www.to-duiksport.nl/buttonB.jpg you can save 1.7KB (59%) data.
By lossless compressing the http://www.to-duiksport.nl/button11.jpg you can save 1.7KB (58%) data.
By lossless compressing the http://www.to-duiksport.nl/buttonA.jpg you can save 1.7KB (58%) data.
By lossless compressing the http://www.to-duiksport.nl/button12.jpg you can save 1.7KB (59%) data.
By lossless compressing the http://www.to-duiksport.nl/button10.jpg you can save 1.7KB (58%) data.
By lossless compressing the http://www.to-duiksport.nl/Images/clownsvis.jpg you can save 1.5KB (31%) data.
By lossless compressing the http://www.to-duiksport.nl/jpg/PADIOpenWaterDVDKit.jpg you can save 1.1KB (30%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/t1.jpg you can save 1KB (22%) data.
By lossless compressing the http://www.to-duiksport.nl/50115_5star_DC_print[1].jpg you can save 935B (19%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/orka-vector-final.jpg you can save 877B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/Images/bubble.gif you can save 748B (80%) data.
By lossless compressing the http://www.to-duiksport.nl/Images/bubble2.gif you can save 748B (82%) data.
By lossless compressing the http://www.to-duiksport.nl/Images/bubble3.gif you can save 735B (74%) data.
By lossless compressing the http://www.to-duiksport.nl/Images/bubble4.gif you can save 734B (88%) data.
By lossless compressing the http://www.to-duiksport.nl/index_bestanden/Facebook%20knop.jpg you can save 703B (40%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/sealteam.jpg you can save 425B (21%) data.
By lossless compressing the http://www.to-duiksport.nl/buitenagenda.jpg you can save 380B (21%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/padi-opleidingen.jpg you can save 378B (21%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/gastenboek.jpg you can save 359B (21%) data.
By lossless compressing the http://www.to-duiksport.nl/MasPur1a.jpg you can save 352B (12%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/fotogallerij.jpg you can save 345B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/t-oduiksport.jpg you can save 340B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/duikreizen.jpg you can save 338B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/duikteam.jpg you can save 315B (21%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/orc3.jpg you can save 299B (25%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/duikshop.jpg you can save 298B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/duiklinks.jpg you can save 297B (19%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/verhuur.jpg you can save 258B (20%) data.
By lossless compressing the http://www.to-duiksport.nl/contact.jpg you can save 232B (18%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/orc.jpg you can save 216B (24%) data.
By lossless compressing the http://www.to-duiksport.nl/web/menu/home.jpg you can save 214B (20%) data.

Links

We found a total of 47 different links.
Internal links: 38
External links: 9

External links:

Link text (anchor)	Link strength
http://www.tboek.nl/gastenboek/spanjaardt
https://www.padi.com/.. /default.aspx?irra=798066
https://www.facebook.com/TODuiksport?ref=hl
http://www.padi.com
http://redsnapperdiving.com/index.html
http://www.hiswa.nl/duiksport
http://www.daneurope.org/.. /guest;jsessionid=A6AA2D474F434D653C5DB3C...
http://www.ra-computers.nl
http://www.maspurmerend.nl

Internal links:

Link text (anchor)	Link strength
http://www.to-duiksport.nl/index.html
http://www.to-duiksport.nl/opleidingen.htm
http://www.to-duiksport.nl/duikshop.htm
http://www.to-duiksport.nl/verhuur.htm
http://www.to-duiksport.nl/onderhoud.htm
http://www.to-duiksport.nl/vulstation.htm
http://www.to-duiksport.nl/duikreizen.htm
http://www.to-duiksport.nl/duikteam.htm
http://www.to-duiksport.nl/buitenduikagenda.htm
http://www.to-duiksport.nl/sealteam.htm
http://www.to-duiksport.nl/fotogallerij.htm
http://www.to-duiksport.nl/duiklinks.htm
http://www.to-duiksport.nl/emailadresen.htm
http://www.to-duiksport.nl/algemeen.htm
http://www.to-duiksport.nl/onderwaterfotograaf.htm
duikopleidingen
snorkelen
AOW cursus
!
Bootduikspecialty
Bootduikspecialty
http://www.to-duiksport.nl/onderwater-navigator.htm
proefduikles
ReActivate, o
pfris duikle
s
Open Water Opleiding (beginners)
Advanced open Water diver:
Sealteam vanaf 8 jaar
Dugongteam/Jr. Open Water
Emergency First Response (EHBO)/Reanimatie:
Rescue diver:
Onderwaterfotografie.
http://www.to-duiksport.nl/padi-open-water.htm
PADI Open Water Referral Cursus
Sealteam en Dugongteam
duiken met kinderen
duikwinkel

Website security

92.48.206.114

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

rijschoolbart.com

mobiliapenza.com

collettechniek.nl

lubritech.eu

simonsverkeerstechniek.nl

Icons

Favicon

Good! The website uses favicon.

Typos

o-duiksport.nl, tro-duiksport.nl, ro-duiksport.nl, tfo-duiksport.nl, fo-duiksport.nl, tgo-duiksport.nl, go-duiksport.nl, tho-duiksport.nl, ho-duiksport.nl, tyo-duiksport.nl, yo-duiksport.nl, t5o-duiksport.nl, 5o-duiksport.nl, t6o-duiksport.nl, 6o-duiksport.nl, t-duiksport.nl, toi-duiksport.nl, ti-duiksport.nl, tok-duiksport.nl, tk-duiksport.nl, tol-duiksport.nl, tl-duiksport.nl, to-duiksport.nl, t-duiksport.nl, top-duiksport.nl, tp-duiksport.nl, to9-duiksport.nl, t9-duiksport.nl, to0-duiksport.nl, t0-duiksport.nl, toduiksport.nl, to-=duiksport.nl, to=duiksport.nl, to-_duiksport.nl, to_duiksport.nl, to-0duiksport.nl, to0duiksport.nl, to-+duiksport.nl, to+duiksport.nl, to-*duiksport.nl, to*duiksport.nl, to-9duiksport.nl, to9duiksport.nl, to-uiksport.nl, to-dxuiksport.nl, to-xuiksport.nl, to-dsuiksport.nl, to-suiksport.nl, to-dwuiksport.nl, to-wuiksport.nl, to-deuiksport.nl, to-euiksport.nl, to-druiksport.nl, to-ruiksport.nl, to-dfuiksport.nl, to-fuiksport.nl, to-dvuiksport.nl, to-vuiksport.nl, to-dcuiksport.nl, to-cuiksport.nl, to-diksport.nl, to-duyiksport.nl, to-dyiksport.nl, to-duhiksport.nl, to-dhiksport.nl, to-dujiksport.nl, to-djiksport.nl, to-dukiksport.nl, to-dkiksport.nl, to-duiiksport.nl, to-diiksport.nl, to-du7iksport.nl, to-d7iksport.nl, to-du8iksport.nl, to-d8iksport.nl, to-duksport.nl, to-duiuksport.nl, to-duuksport.nl, to-duijksport.nl, to-dujksport.nl, to-duiksport.nl, to-duksport.nl, to-duilksport.nl, to-dulksport.nl, to-duioksport.nl, to-duoksport.nl, to-dui8ksport.nl, to-du8ksport.nl, to-dui9ksport.nl, to-du9ksport.nl, to-dui*ksport.nl, to-du*ksport.nl, to-duisport.nl, to-duikusport.nl, to-duiusport.nl, to-duikjsport.nl, to-duijsport.nl, to-duikmsport.nl, to-duimsport.nl, to-duiklsport.nl, to-duilsport.nl, to-duikosport.nl, to-duiosport.nl, to-duikport.nl, to-duiksqport.nl, to-duikqport.nl, to-duikswport.nl, to-duikwport.nl, to-duikseport.nl, to-duikeport.nl, to-duikszport.nl, to-duikzport.nl, to-duiksxport.nl, to-duikxport.nl, to-duikscport.nl, to-duikcport.nl, to-duiksort.nl, to-duikspoort.nl, to-duiksoort.nl, to-duiksplort.nl, to-duikslort.nl, to-duiksp0ort.nl, to-duiks0ort.nl, to-duiksp-ort.nl, to-duiks-ort.nl, to-duiksport.nl, to-duiksort.nl, to-duiksp_ort.nl, to-duiks_ort.nl, to-duiksprt.nl, to-duikspoirt.nl, to-duikspirt.nl, to-duikspokrt.nl, to-duikspkrt.nl, to-duikspolrt.nl, to-duiksplrt.nl, to-duiksport.nl, to-duiksprt.nl, to-duikspoprt.nl, to-duikspprt.nl, to-duikspo9rt.nl, to-duiksp9rt.nl, to-duikspo0rt.nl, to-duiksp0rt.nl, to-duikspot.nl, to-duiksporet.nl, to-duikspoet.nl, to-duikspordt.nl, to-duikspodt.nl, to-duiksporft.nl, to-duikspoft.nl, to-duiksporgt.nl, to-duikspogt.nl, to-duikspor4,t.nl, to-duikspo4,t.nl, to-duiksportt.nl, to-duikspott.nl, to-duikspor5t.nl, to-duikspo5t.nl, to-duikspor.nl, to-duiksportr.nl, to-duiksporr.nl, to-duiksportf.nl, to-duiksporf.nl, to-duiksportg.nl, to-duiksporg.nl, to-duiksporth.nl, to-duiksporh.nl, to-duiksporty.nl, to-duikspory.nl, to-duiksport5.nl, to-duikspor5.nl, to-duiksport6.nl, to-duikspor6.nl

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SEO report of to-duiksport.nl

T&O Duiksport duikschool en duikshop te Purmerend voor snorkel- en ...