blue-technologies.nl | Free Online SEO Audit for blue-technologies.nl

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.blue-technologies.nl/

Character length : 25

Title

BLUE-tec, water technology, forward osmosis, membrane technology - Blue Technologies

Description

BLUE-tec develops and delivers water technology systems for reuse of water and recovery materials. The focus is on membrane technology and forward osmosis.

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

There is robots.txt file.
https://blue-technologies.nl/robots.txt

User-agent	Disallowed for the search engines
Aqua_Products	All subpages are denied to crawl
asterias	All subpages are denied to crawl
b2w/0.1	All subpages are denied to crawl
BackDoorBot/1.0	All subpages are denied to crawl
Black Hole	All subpages are denied to crawl
BlowFish/1.0	All subpages are denied to crawl
Bookmark search tool	All subpages are denied to crawl
BotALot	All subpages are denied to crawl
BuiltBotTough	All subpages are denied to crawl
Bullseye/1.0	All subpages are denied to crawl
BunnySlippers	All subpages are denied to crawl
Cegbfeieh	All subpages are denied to crawl
CheeseBot	All subpages are denied to crawl
CherryPicker	All subpages are denied to crawl
CherryPicker /1.0	All subpages are denied to crawl
CherryPickerElite/1.0	All subpages are denied to crawl
CherryPickerSE/1.0	All subpages are denied to crawl
CopyRightCheck	All subpages are denied to crawl
cosmos	All subpages are denied to crawl
Crescent	All subpages are denied to crawl
Crescent Internet ToolPak HTTP OLE Control v.1.0	All subpages are denied to crawl
DittoSpyder	All subpages are denied to crawl
EmailCollector	All subpages are denied to crawl
EmailSiphon	All subpages are denied to crawl
EmailWolf	All subpages are denied to crawl
EroCrawler	All subpages are denied to crawl
ExtractorPro	All subpages are denied to crawl
FairAd Client	All subpages are denied to crawl
Flaming AttackBot	All subpages are denied to crawl
Foobot	All subpages are denied to crawl
Gaisbot	All subpages are denied to crawl
GetRight/4.2	All subpages are denied to crawl
grub	All subpages are denied to crawl
grub-client	All subpages are denied to crawl
Harvest/1.5	All subpages are denied to crawl
hloader	All subpages are denied to crawl
httplib	All subpages are denied to crawl
humanlinks	All subpages are denied to crawl
ia_archiver	All subpages are denied to crawl
ia_archiver/1.6	All subpages are denied to crawl
InfoNaviRobot	All subpages are denied to crawl
Iron33/1.0.2	All subpages are denied to crawl
JennyBot	All subpages are denied to crawl
Kenjin Spider	All subpages are denied to crawl
Keyword Density/0.9	All subpages are denied to crawl
larbin	All subpages are denied to crawl
LexiBot	All subpages are denied to crawl
libWeb/clsHTTP	All subpages are denied to crawl
LinkextractorPro	All subpages are denied to crawl
LinkScan/8.1a Unix	All subpages are denied to crawl
LinkWalker	All subpages are denied to crawl
LNSpiderguy	All subpages are denied to crawl
lwp-trivial	All subpages are denied to crawl
lwp-trivial/1.34	All subpages are denied to crawl
Mata Hari	All subpages are denied to crawl
Microsoft URL Control	All subpages are denied to crawl
Microsoft URL Control - 5.01.4511	All subpages are denied to crawl
Microsoft URL Control - 6.00.8169	All subpages are denied to crawl
MIIxpc	All subpages are denied to crawl
MIIxpc/4.2	All subpages are denied to crawl
Mister PiX	All subpages are denied to crawl
moget	All subpages are denied to crawl
moget/2.1	All subpages are denied to crawl
mozilla/4	All subpages are denied to crawl
Mozilla/4.0 (compatible; BullsEye; Windows 95)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows 2000)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows 95)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows 98)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows ME)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows NT)	All subpages are denied to crawl
Mozilla/4.0 (compatible; MSIE 4.0; Windows XP)	All subpages are denied to crawl
mozilla/5	All subpages are denied to crawl
MSIECrawler	All subpages are denied to crawl
NetAnts	All subpages are denied to crawl
NetMechanic	All subpages are denied to crawl
NICErsPRO	All subpages are denied to crawl
Offline Explorer	All subpages are denied to crawl
Openbot	All subpages are denied to crawl
Openfind	All subpages are denied to crawl
Openfind data gathere	All subpages are denied to crawl
Oracle Ultra Search	All subpages are denied to crawl
PerMan	All subpages are denied to crawl
ProPowerBot/2.14	All subpages are denied to crawl
ProWebWalker	All subpages are denied to crawl
psbot	All subpages are denied to crawl
Python-urllib	All subpages are denied to crawl
QueryN Metasearch	All subpages are denied to crawl
Radiation Retriever 1.1	All subpages are denied to crawl
RepoMonkey	All subpages are denied to crawl
RepoMonkey Bait & Tackle/v1.01	All subpages are denied to crawl
RMA	All subpages are denied to crawl
searchpreview	All subpages are denied to crawl
SiteSnagger	All subpages are denied to crawl
SpankBot	All subpages are denied to crawl
spanner	All subpages are denied to crawl
suzuran	All subpages are denied to crawl
Szukacz/1.4	All subpages are denied to crawl
Teleport	All subpages are denied to crawl
TeleportPro	All subpages are denied to crawl
Telesoft	All subpages are denied to crawl
The Intraformant	All subpages are denied to crawl
TheNomad	All subpages are denied to crawl
TightTwatBot	All subpages are denied to crawl
Titan	All subpages are denied to crawl
toCrawl/UrlDispatcher	All subpages are denied to crawl
True_Robot	All subpages are denied to crawl
True_Robot/1.0	All subpages are denied to crawl
turingos	All subpages are denied to crawl
URL Control	All subpages are denied to crawl
URL_Spider_Pro	All subpages are denied to crawl
URLy Warning	All subpages are denied to crawl
VCI	All subpages are denied to crawl
VCI WebViewer VCI WebViewer Win32	All subpages are denied to crawl
Web Image Collector	All subpages are denied to crawl
WebAuto	All subpages are denied to crawl
WebBandit	All subpages are denied to crawl
WebBandit/3.50	All subpages are denied to crawl
WebCopier	All subpages are denied to crawl
WebEnhancer	All subpages are denied to crawl
WebmasterWorldForumBot	All subpages are denied to crawl
WebSauger	All subpages are denied to crawl
Website Quester	All subpages are denied to crawl
Webster Pro	All subpages are denied to crawl
WebStripper	All subpages are denied to crawl
WebZip	All subpages are denied to crawl
WebZip/4.0	All subpages are denied to crawl
Wget	All subpages are denied to crawl
Wget/1.5.3	All subpages are denied to crawl
Wget/1.6	All subpages are denied to crawl
WWW-Collector-E	All subpages are denied to crawl
Xenu's	All subpages are denied to crawl
Xenu's Link Sleuth 1.1c	All subpages are denied to crawl
Zeus	All subpages are denied to crawl
Zeus 32297 Webster Pro V2.9 Win32	All subpages are denied to crawl
Zeus Link Scout	All subpages are denied to crawl

Social

Social Engagement

No info found.

Content

Doctype

XHTML 1.0 Transitional

Encoding

Perfect! The character encoding is set: UTF-8.

Language

We have found the language localisation: ”en”.

Title

BLUE-tec, water technology, forward osmosis, membrane technology - Blue Technologies

Character length : 84

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

Text / HTML ratio

Ratio : 8%

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
3	2	0	0	0	0

Heading structure in the source code

<H1>
<H1> Welcome to BLUE-tec
<H2> Forward Osmosis, Ammonia Membrane Stripping and other Membrane Filtration Technologies
<H2> Find out more
<H1> News

Word cloud

technologies5
blue-tec3
membrane3
march3
news3
water3
emerging2
pilot2
materials2
raw2
stripping2
search2
forward2
osmosis2
ammonia2
energy2
plant2
wwtp2
company2
simpelveld2
archive2

Keyword matrix

word	title	descriptions	heading
technologies
blue-tec
membrane
march
news
water

Two Word cloud

find out2
forward osmosis2

404 Page

The website has no standard 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 9 images on this web page.

Alternate attributes for the following 9 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

Readability

Flesch–Kincaid Grade Level

8.60

Flesch Reading Ease

46.40

Coleman Liau Index

12.00

Automated Readability Index (ARI)

7.40

Dale–Chall Readability

7.80

SMOG Index

11.00

Spache Readibility

5.00

Number of letters

1089

Number of words

204

Number of sentences

Average words per sentences

Number of syllables

369

Syllables in words

369

Average syllables in words

1.81

Number of words in first three syllables

Percentage of word / syllables

25.00

Words not in Dale-Chall easy-word list

Words not in Spache easy-word list

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.

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.

http://www.blue-technologies.nl/css/bluetech/style.css
http://www.blue-technologies.nl/css/bluetech/menu.css

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

0.00

Gzip compression

Your site uses compression.

Speed test – Browser cache

Browser cache

The browser cache is set correctly for all elements.

Speed test – Images

File size of all images combined

0.00

Image optimisation

All images are optimized.

Links

We found a total of 14 different links.
Internal links: 12
External links: 2

External links:

Link text (anchor)	Link strength
https://www.facebook.com/.. /?ref=bookmarks
https://www.linkedin.com/company/blue-tec?trk=biz-companies-cym

Internal links:

Link text (anchor)	Link strength
Home
Technologies
Applications
Services
Links - downloads - news archive
Company - employees - board of advisors
Contact
contact
News archive
Search
Sitemap
Contact

Website security

109.70.4.153

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.

Icons

Favicon

Good! The website uses favicon.

Typos

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SEO report of blue-technologies.nl

BLUE-tec, water technology, forward osmosis, membrane technology ...

Tasks

SEO

Social

Content

Readability

Technologies

Speed test

Speed test – Javascript

Speed test – CSS

Speed test – Compression

Speed test – Browser cache

Speed test – Images

Links

External links:

Internal links:

Website security

Icons

Typos

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