SEO report of lighthouse3d.com

Lighthouse3d.com

www.lighthouse3d.com/

Tutorials and news for OpenGL, GLSL,GLUT, OpenGLES, VRML, WebGL and OpenCL. Learning how to built 3D computer graphics applications using shaders.


 Tasks

  • Avoid using deprecated HTML tags.
  • Implement the viewport meta tag.

 SEO

URL

Domain : www.lighthouse3d.com/

Character length : 21

Title
Lighthouse3d.com
Description
Tutorials and news for OpenGL, GLSL,GLUT, OpenGLES, VRML, WebGL and OpenCL. Learning how to built 3D computer graphics applications using shaders.
Keywords (meta keywords)
OpenGL,GLSL,Tutorials,VRML,WebGL,OpenCL,OpenGLES,GLUT

Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

type: website
title: Lighthouse3d.com
description: Mostly about 3D graphics
url: http://www.lighthouse3d.com/
site_name: Lighthouse3d.com
image: https://s0.wp.com/i/blank.jpg
locale: en_US

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://lighthouse3d.com/robots.txt
User-agentDisallowed for the search engines
*
  • /wp-admin/


 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: ”en”.
Title
Lighthouse3d.com

Character length : 16

Good! The title’s length is between 10 and 70 characters.
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
H1H2H3H4H5H6
1109000
Heading structure in the source code
  • <H1> Lighthouse3d.com
  • <H2> VSL Ported to Android
  • <H2> VSL now works with CMake
  • <H2> Android + GLES GitHub repository
  • <H2> CG Course at edX
  • <H2> Courses at Coursera
  • <H2> Hacked …
  • <H2> GLUT Tutorial is now on GitHub
  • <H2> WebGL Insights – Call For Authors
  • <H2> Buda repossession on Behance
  • <H2> Siggraph University – An Introduction to OpenGL Programming
  • <H3> Google Ads
  • <H3> Tag Cloud
  • <H3> Categories
  • <H3> Popular Posts
  • <H3> Links
  • <H3> Search
  • <H3> Learning
  • <H3> Google Ads
  • <H3> Google Ads
Word cloud
  • responses10
  • comments10
  • views10
  • opengl9
  • tutorials8
  • uncategorized7
  • tutorial7
  • models6
  • google6
  • github6
  • tagged5
  • site5
  • webgl5
  • programming5
  • glsl5
  • android5
  • glut4
  • textures4
  • new4
  • vsl4
  • ads4
  • buda3
  • been3
  • university3
  • insights3
  • stuff3
  • very3
  • gles3
  • demo3
  • uses3
  • graphics3
  • usa3
  • matlab2
  • rendering2
  • developer2
  • jul2
  • courses2
  • computer2
  • jun2
  • course2
  • authors2
  • painting2
  • json2
  • hungarian2
  • see2
  • physics2
  • real-time2
  • art2
  • behance2
  • artist2
  • games2
  • shader2
  • siggraph2
  • repossession2
  • book2
  • example2
  • introduction2
  • cmake2
  • vs*l2
  • repository2
Keyword matrix
wordtitledescriptionsheading
responses
comments
views
opengl
tutorials
uncategorized
Two Word cloud
  • tagged with3
  • comments glsl3
  • opengl insights2
  • glsl tutorial2
  • uncategorized no responses2
  • vsl has2
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 10 images on this web page.

Alternate attributes for the following 2 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Readability

Flesch–Kincaid Grade Level
4.30
Flesch Reading Ease
72.90
Coleman Liau Index
10.60
Automated Readability Index (ARI)
2.10
Dale–Chall Readability
7.80
SMOG Index
8.40
Spache Readibility
5.00
Number of letters
3444
Number of words
767
Number of sentences
158
Average words per sentences
5
Number of syllables
1170
Syllables in words
1125
Average syllables in words
1.53
Number of words in first three syllables
127
Percentage of word / syllables
16.56
Words not in Dale-Chall easy-word list
367
Words not in Spache easy-word list
241

 Technologies

Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
Deprecated HTML tagsOccurrences
<center>1
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
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
Deprecated HTML tagsOccurrences
<center>1
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 not fast enough: 0.74 seconds have passed until the page started to load.
Table layout
Good! No nested tables found.
Number of HTTP resources
59
Number of source domains
14
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • http://www.lighthouse3d.com/.. /jquery.js?ver=1.11.3
  • http://www.lighthouse3d.com/.. /jquery-migrate.min.js?ver=1.2.1
  • http://www.lighthouse3d.com/.. /cookielawinfo.js?ver=1.5.3
  • http://www.lighthouse3d.com/.. /shCore.js?ver=2.2.5
  • http://www.lighthouse3d.com/.. /shAutoloader.js?ver=2.2.5
List of render blocking css files
  • http://www.lighthouse3d.com/.. /my-beautiful-tubes-style.css?ver=36
  • http://www.lighthouse3d.com/.. /cli-style.css?ver=1.5.3
  • http://www.lighthouse3d.com/.. /shCore.css?ver=2.2.5
  • http://www.lighthouse3d.com/.. /shThemeRDark.css?ver=2.2.5
  • http://www.lighthouse3d.com/.. /main.min.css?ver=4.4.15
  • http://www.lighthouse3d.com/.. /style.css?ver=4.4.15
  • http://www.lighthouse3d.com/.. /wpp.css?ver=3.3.1
  • http://www.lighthouse3d.com/.. /stb-core.css?ver=5.4.98
  • http://www.lighthouse3d.com/.. /wp-special-textboxes.css.php?ver=5.4.98
  • http://www.lighthouse3d.com/.. /jetpack.css?ver=3.7.3

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • http://www.lighthouse3d.com/wp-includes/js/jquery/jquery.js?ver=1.11.3
  • http://www.lighthouse3d.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.2.1
  • http://www.lighthouse3d.com/wp-content/plugins/cookie-law-info/js/cookielawinfo.js?ver=1.5.3
  • http://www.lighthouse3d.com/wp-content/plugins/syntax-highlighter-mt/scripts/shCore.js?ver=2.2.5
  • http://www.lighthouse3d.com/wp-content/plugins/syntax-highlighter-mt/scripts/shAutoloader.js?ver=2.2.5
  • http://www.lighthouse3d.com/wp-content/themes/suffusion/scripts/suffusion.js?ver=4.4.7
  • http://www.lighthouse3d.com/wp-content/plugins/my-beautiful-tubes/js/btwu.js?ver=1.0.1
  • http://www.lighthouse3d.com/wp-content/plugins/syntax-highlighter-mt/brushTypes.js?ver=2.2.5
  • http://www.lighthouse3d.com/wp-content/plugins/jetpack/modules/wpgroho.js?ver=4.4.10
  • http://www.lighthouse3d.com/wp-includes/js/jquery/ui/effect.min.js?ver=1.11.4
  • http://www.lighthouse3d.com/wp-includes/js/jquery/ui/effect-blind.min.js?ver=1.11.4
  • http://www.lighthouse3d.com/wp-content/plugins/wp-special-textboxes/js/wstb.min.js?ver=5.4.98
  • http://www.lighthouse3d.com/wp-includes/js/wp-embed.min.js?ver=4.4.10
File size of all javascript files combined
1.17MB
Javascript minifying
You can save 3.1KB (23% 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.lighthouse3d.com/wp-content/plugins/my-beautiful-tubes/my-beautiful-tubes-style.css?ver=36
  • http://www.lighthouse3d.com/wp-content/plugins/cookie-law-info/css/cli-style.css?ver=1.5.3
  • http://www.lighthouse3d.com/wp-content/plugins/syntax-highlighter-mt/styles/shCore.css?ver=2.2.5
  • http://www.lighthouse3d.com/wp-content/plugins/syntax-highlighter-mt/styles/shThemeRDark.css?ver=2.2.5
  • http://www.lighthouse3d.com/wp-content/plugins/youtube-embed/css/main.min.css?ver=4.4.10
  • http://www.lighthouse3d.com/wp-content/themes/suffusion/style.css?ver=4.4.7
  • http://www.lighthouse3d.com/wp-content/themes/suffusion/skins/light-theme-gray-2/skin.css?ver=4.4.7
  • http://www.lighthouse3d.com/wp-content/themes/suffusion/rounded-corners.css?ver=4.4.7
  • http://www.lighthouse3d.com/wp-content/uploads/suffusion/custom-styles.css?ver=4.4.7
  • http://www.lighthouse3d.com/wp-content/plugins/wordpress-popular-posts/style/wpp.css?ver=3.3.1
  • http://www.lighthouse3d.com/wp-content/plugins/wp-special-textboxes/css/stb-core.css?ver=5.4.98
  • http://www.lighthouse3d.com/wp-content/plugins/wp-special-textboxes/css/wp-special-textboxes.css.php?ver=5.4.98
  • http://www.lighthouse3d.com/wp-content/plugins/jetpack/css/jetpack.css?ver=3.7.3
  • http://www.lighthouse3d.com/wp-content/plugins/addthis/css/output.css?ver=4.4.10
File size of all css files combined
146.47KB
CSS minifying
You can save 17.6KB (23% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
228.15KB
Gzip compression
Error! By using Gzip you can save 61.2KB (65% compression) on your site.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
19
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
http://www.lighthouse3d.com/.. /overlay.pngExpiry time is not specified
http://www.lighthouse3d.com/.. /AngelCourseraIcon1-150x135.jpgExpiry time is not specified
http://www.lighthouse3d.com/wp-content/uploads/2015/07/edxCG.pngExpiry time is not specified
http://www.lighthouse3d.com/.. /matlab-150x135.pngExpiry time is not specified
http://www.lighthouse3d.com/.. /opengljava.pngExpiry time is not specified
http://www.lighthouse3d.com/.. /openglndk-150x150.pngExpiry time is not specified
http://s7.addthis.com/js/300/addthis_widget.js10 minutes
https://syndication.twitter.com/settings10 minutes
http://connect.facebook.net/en_US/all.js20 minutes
http://platform.twitter.com/widgets.js30 minutes
http://platform.stumbleupon.com/1/widgets.js2 hours

 Speed test – Images

File size of all images combined
302.66KB
Image optimisation
You can save 163.9KB (77% compression) by optimising the images below:

 Traffic

Alexa
184633

 Links

We found a total of 133 different links.
Internal links: 103
External links: 30

External links:

Internal links:

 Website security

IP
80.172.227.16
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.

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 Icons

Favicon
Good! The website uses favicon.

 Typos

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