SEO report of koln3d-tech.com

KOLN 3D: 3D Metal Printing金屬3D打印技術

www.koln3d-tech.com/

Koln 3D (Industry) Co. Ltd. has rich experience in the production of plastic molds and plastic products, and it further uses of advanced 3D metal printing ...

   

 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.

 SEO

URL

Domain : www.koln3d-tech.com/

Character length : 20

Title
KOLN 3D: 3D Metal Printing金屬3D打印技術
Description
Koln 3D (Industry) Co. Ltd. has rich experience in the production of plastic molds and plastic products, and it further uses of advanced 3D metal printing technology. We committed to the production of high-precision, high efficiency innovative mold technology such as 3D conformal cooling waterway applications, leading plastic mold making industry on the road of new technology.
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
Error! No language localization is found.
Title
KOLN 3D: 3D Metal Printing金屬3D打印技術

Character length : 34

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
H1H2H3H4H5H6
103000
Heading structure in the source code
  • <H1> Featured Services
  • <H3> Mold Manufacture
  • <H3> 3D Printing
  • <H3> One Process Services
Word cloud
  • services4
  • printing3
  • manufacture2
  • coming2
  • production2
  • soon2
  • mold2
Keyword matrix
wordtitledescriptionsheading
services
printing
manufacture
coming
production
soon
Two Word cloud
  • coming soon2
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 4 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.

 Technologies

Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 610px wide display!
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
2,584 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
30
Number of source domains
5
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • https://www.koln3d-tech.com/js/ga.js
  • https://www.koln3d-tech.com/js/ga.js
List of render blocking css files
  • https://www.koln3d-tech.com/css/bootstrap.css
  • https://www.koln3d-tech.com/css/style.css
  • https://www.koln3d-tech.com/css/flexslider.css

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • http://www.koln3d-tech.com/js/ga.js
  • http://www.koln3d-tech.com/js/ga.js
  • http://www.koln3d-tech.com/js/jquery-1.8.3.min.js
  • http://www.koln3d-tech.com/js/bootstrap.min.js
  • http://www.koln3d-tech.com/js/jquery.jcarousel.min.js
  • http://www.koln3d-tech.com/js/modernizr.custom.46884.js
  • http://www.koln3d-tech.com/js/jquery.slicebox.js
  • http://www.koln3d-tech.com/js/main.js
File size of all javascript files combined
204.48KB
Javascript minifying
You can save 9.5KB (40% 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.koln3d-tech.com/css/bootstrap.css
  • http://www.koln3d-tech.com/css/style.css
  • http://www.koln3d-tech.com/css/flexslider.css
  • http://www.koln3d-tech.com/css/slicebox.css
  • http://www.koln3d-tech.com/css/carousel.css
File size of all css files combined
177.52KB
CSS minifying
You can save 21.3KB (14% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
8.09KB
Gzip compression
Error! By using Gzip you can save 108.1KB (85% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
23
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
https://www.koln3d-tech.com/css/bootstrap.cssExpiry time is not specified
https://www.koln3d-tech.com/css/carousel.cssExpiry time is not specified
https://www.koln3d-tech.com/css/flexslider.cssExpiry time is not specified
https://www.koln3d-tech.com/css/slicebox.cssExpiry time is not specified
https://www.koln3d-tech.com/css/style.cssExpiry time is not specified
https://www.koln3d-tech.com/image/banner1.jpgExpiry time is not specified
https://www.koln3d-tech.com/image/banner2.jpgExpiry time is not specified
https://www.koln3d-tech.com/image/bg-header.pngExpiry time is not specified
https://www.koln3d-tech.com/image/brushed_alu.pngExpiry time is not specified
https://www.koln3d-tech.com/image/lock.pngExpiry time is not specified
https://www.koln3d-tech.com/image/logo@2x.pngExpiry time is not specified
https://www.koln3d-tech.com/image/nav.pngExpiry time is not specified
https://www.koln3d-tech.com/image/shadow.pngExpiry time is not specified
https://www.koln3d-tech.com/js/bootstrap.min.jsExpiry time is not specified
https://www.koln3d-tech.com/js/ga.jsExpiry time is not specified
https://www.koln3d-tech.com/js/jquery.jcarousel.min.jsExpiry time is not specified
https://www.koln3d-tech.com/js/jquery.slicebox.jsExpiry time is not specified
https://www.koln3d-tech.com/js/main.jsExpiry time is not specified
https://www.koln3d-tech.com/js/modernizr.custom.46884.jsExpiry time is not specified
https://www.google-analytics.com/analytics.js2 hours

 Speed test – Images

File size of all images combined
223.61KB
Image optimisation
You can save 87.8KB (51% compression) by optimising the images below:

 Links

We found a total of 19 different links.
Internal links: 19

External links:

Link text (anchor) Link strength

Internal links:

Link text (anchor) Link strength
http://www.koln3d-tech.com/index.html
ENG
简体
Home
About Us
Products
LUMEX Avance 25
WF Series
Services
Mold Manufacture
3D Printing
One-Stop Services
Contact
Client Area
http://www.koln3d-tech.com/product-lumex-avance25.html
http://www.koln3d-tech.com/service-3dprinting.html
Next
Previous
Read More

 Website security

IP
223.223.216.31
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
Good! The website uses favicon.

 Order of Heading elements on mobile by position

  • H1 : Featured Services, ( 482.5625px from top )
  • H3 : Mold Manufacture, ( 590.5625px from top )
  • H3 : 3D Printing, ( 722.5625px from top )
  • H3 : One Process Services, ( 794.5625px from top )

 Typos

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