koster-techniek.nl

Tasks

Avoid using deprecated HTML tags.

SEO

URL

Domain : www.koster-techniek.nl/pg-24174-7-35220/pagina/home.html

Character length : 56

Title

Home - Koster Schoorsteentechniek B.V.

Description

Welkom op de website van Koster Schoorsteentechniek Koster Schoorsteentechniek B.V. levert en monteert CLV systemen, rookgasafvoerkanalen, luchtkanalen en prefab schoorstenen in de nieuwbouw en renovatie van gestapelde woningen. Ook hebben wij ruime ervaring in het aanpassen, repareren, vervangen,

Keywords (meta keywords)

techniek, Prefab, montage, schacht, ventilatie, koster, clv, rookgas, john, schoorsteen, dbm, dalsem, rga, c.l.v., dakkap, vkk, optifor, afvoer, dalsum, overdruk

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

Error! Hyphen (-) is a better solution than underscore (_) in the URLs

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

There is robots.txt file.
https://koster-techniek.nl/robots.txt

User-agent	Disallowed for the search engines
AhrefsBot	All subpages are denied to crawl
*	/classic/ /createsite/basis/reactiepop.asp /createsite/form/createform.asp

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

Home - Koster Schoorsteentechniek B.V.

Character length : 38

Good! The title’s length is between 10 and 70 characters.

Text / HTML ratio

Ratio : 6%

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
1	0	2	0	0	0

Heading structure in the source code

<H1> Welkom op de website van Koster Schoorsteentechniek
<H3> Contact
<H3> Laat een bericht achter

Word cloud

koster4
schoorsteentechniek4
kanalen3
schoorstenen2
voorzien2
woningen2
worden2
rookgasafvoerkanalen2

Keyword matrix

word	title	descriptions	heading
koster
schoorsteentechniek
kanalen
schoorstenen
voorzien
woningen

Two Word cloud

koster schoorsteentechniek2

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 0 images on this web page.

Good! Every image has an alternative text attributes set on this website.

Technologies

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Good! The web address is accessible only in one version. The version without www is redirected to the version with 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

Error! Avoid using nested tables!

Number of HTTP resources

Number of source domains

Render blocking resources

The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files

https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js
https://ajax.googleapis.com/ajax/libs/angularjs/1.4.7/angular.min.js
https://ajax.googleapis.com/.. /angular-route.min.js
https://ajax.googleapis.com/.. /angular-touch.min.js
https://cdnjs.cloudflare.com/.. /angular-locale_nl-nl.js
http://maps.googleapis.com/.. /js?key=AIzaSyAnloepnXYF2asM1P3DXXV3cI0NP...
http://m.koster-techniek.nl/video/player7/jwplayer.js
http://m.koster-techniek.nl/.. /site.js?v=6chKZN0DgdRfxuxXFxuQmRGt0nvKLe...
http://m.koster-techniek.nl/.. /app.js?v=_gu2FgY6YrNFDZfYf15Q56mIMc_9ZV0...

List of render blocking css files

https://fonts.googleapis.com/css?family=Roboto
http://m.koster-techniek.nl/Assets/PhotoSwipe/skin/default-skin.css
http://m.koster-techniek.nl/Assets/Glyphs/css/fontello.css
http://m.koster-techniek.nl/.. /site.css?v=X-VnYx0B4xBHyU2Kf31sJIeilR3mK...
http://m.koster-techniek.nl/.. /193?forcereload=False

Speed test – Javascript

Javascript

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

http://www.koster-techniek.nl/bundles/site.js?v=2Wtol8LcNHLKZMXgkS4D_sgVbyyVUt6vXGjoq4bzWQ41
http://www.koster-techniek.nl/bundles/common.js?v=cTX7D_uaL8NKeTs6nxPHOGOM54F-hPAcU4008QKSxSw1
http://www.koster-techniek.nl/bundles/validation-simple.js?v=dPRj0bZUMT1VPfdxJl9hDagPgG41PMZQxzyB-pE8SV81
http://www.koster-techniek.nl/Scripts/Plugins/fancybox/jquery.fancybox-1.3.4.js

File size of all javascript files combined

0.99MB

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

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

http://www.koster-techniek.nl/styles/24174/5889/page.css
http://www.koster-techniek.nl/bundles/common.css?v=juVM281tdFIxPijEOO68bnc4vk6_8ROSx8WI6sgzI-Q1
http://www.koster-techniek.nl/styles/24174/5889/combined.css
http://www.koster-techniek.nl/Scripts/Plugins/fancybox/jquery.fancybox-1.3.4.css

File size of all css files combined

74.77KB

CSS minifying

You can save 773B (24% compression) on the analysed URL by minifying the CSS files.

By minifying http://m.koster-techniek.nl/Assets/Glyphs/css/fontello.css you can save 559B (50% compression rate)
By minifying http://m.koster-techniek.nl/Assets/PhotoSwipe/skin/default-skin.css you can save 214B (11% compression rate)

Speed test – Compression

Uncompressed size of the of the HTML

116.79KB

Gzip compression

Error! By using Gzip you can save 258B (38% compression) on your site.

By compressing http://m.koster-techniek.nl/api/company you can save 258B (38% compression rate)

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://m.koster-techniek.nl/Assets/Glyphs/css/fontello.css	Expiry time is not specified
http://m.koster-techniek.nl/Assets/PhotoSwipe/skin/default-skin.css	Expiry time is not specified
http://maps.googleapis.com/.. /js?key=AIzaSyAnloepnXYF2asM1P3DXXV3cI0NP...	30 minutes
http://www.google-analytics.com/analytics.js	2 hours

Speed test – Images

File size of all images combined

24.12KB

Image optimisation

You can save 728B (20% compression) by optimising the images below:

By lossless compressing the http://m.koster-techniek.nl/.. /logo_original.jpg?maxheight=120 you can save 728B (20%) data.

Links

We found a total of 14 different links.
Internal links: 10
External links: 4

External links:

Link text (anchor)	Link strength
Inloggen
mooie websites
Responsive of Adaptive?
Grafische vormgeving Leidschendam

Internal links:

Link text (anchor)	Link strength
http://www.koster-techniek.nl/pg-24174-7-35220/pagina/home.html
http://www.koster-techniek.nl/pg-24174-7-41782/pagina/half.html
http://www.koster-techniek.nl/.. /clv_-_systemen.html
http://www.koster-techniek.nl/.. /rookgasafvoerkanalen.html
http://www.koster-techniek.nl/.. /combinatie_cvwtw.html
http://www.koster-techniek.nl/.. /prefab_schoorstenen.html
http://www.koster-techniek.nl/.. /luchtkanalen.html
http://www.koster-techniek.nl/pg-24174-7-35228/pagina/advies.html
http://www.koster-techniek.nl/.. /referenties.html
bewoonde woningen.

Website security

91.233.52.201

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.

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Icons

Favicon

Error! No favicon is found. Using favicon helps to build a better brand quicker.

Typos

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SEO report of koster-techniek.nl