webgl2fundamentals.org

Tasks

Avoid using deprecated HTML tags.

SEO

URL

Domain : webgl2fundamentals.org/

Character length : 23

Title

WebGL2 Fundamentals

Keywords (meta keywords)

Good! The website does not use “meta keywords”.

Open Graph Protocol

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

title: WebGL2 Fundamentals
type: website
image: http://webgl2fundamentals.org/webgl/lessons/resources/webgl2fundamentals.jpg
description: Learn WebGL2 from the ground up. No magic
url: http://webgl2fundamentals.org

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.

Social

Social Engagement

Linkedin2

Facebook Share0

Facebook Comments0

Content

Doctype

HTML 5

Encoding

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

Language

Error! No language localization is found.

Title

WebGL2 Fundamentals

Character length : 19

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

Text / HTML ratio

Ratio : 20%

Acceptable! The text / code ratio is between 15 and 25 percent.

Headings

H1	H2	H3	H4	H5	H6
2	0	0	0	0	0

Heading structure in the source code

<H1> WebGL2 Fundamentals
<H1> Table of Contents

Word cloud

text5
articles4
how4
org4
processing3
image3
new3
matrix3
textures3
webgl3
lighting3
fundamentals3
using3
texture2
moving2
works2
translation2
geometry2
scale2
rotation2
webglfundamentals2
differences2
canvas2
date2
really2
helper2
old2
github2

Keyword matrix

word	title	descriptions	heading
text
articles
how
org
processing
image

Two Word cloud

you are2
image processing2
they are2
these articles2

404 Page

The website has a 404 error page.

Flash content

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Frame

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Images

We found 0 images on this web page.

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

Technologies

Mobile optimization

This website is optimal for mobile devices!

Detected applications

	Google Analytics	Analytics
	jQuery	JavaScript Frameworks
	math.js	JavaScript Frameworks

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Good! The web address is accessible in only one version. The www version is redirected to the version 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

1,990 ms

Table layout

Good! No nested tables found.

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 css files

https://webgl2fundamentals.org/webgl/lessons/resources/lesson.css
https://webgl2fundamentals.org/webgl/lessons/resources/index.css

Speed test – Javascript

Javascript

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

https://webgl2fundamentals.org/webgl/resources/twgl-full.min.js
https://webgl2fundamentals.org/webgl/resources/3d-math.js
https://webgl2fundamentals.org/webgl/resources/same-code-02.js
https://webgl2fundamentals.org/3rdparty/jquery-1.11.2.min.js
https://webgl2fundamentals.org/langdb.js
https://webgl2fundamentals.org/webgl/lessons/resources/languages.js

File size of all javascript files combined

284.55KB

Javascript minifying

You can save 6.8KB (36% compression) on the analysed URL by minifying the javascript files.

Speed test – CSS

CSS

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

https://webgl2fundamentals.org/webgl/lessons/resources/base.css
https://webgl2fundamentals.org/webgl/lessons/resources/lesson.css
https://webgl2fundamentals.org/webgl/lessons/resources/index.css

File size of all css files combined

10.06KB

CSS minifying

You can save 478B (22% compression) on the analysed URL by minifying the CSS files.

By minifying https://webgl2fundamentals.org/webgl/lessons/resources/lesson.css you can save 478B (22% compression rate)

Speed test – Compression

Uncompressed size of the of the HTML

12.53KB

Gzip compression

Error! By using Gzip you can save 8.5KB (72% compression) on your site.

By compressing https://cdn.webglstats.com/stat.js you can save 8.5KB (72% 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
https://www.google-analytics.com/analytics.js	2 hours
https://webgl2fundamentals.org/3rdparty/jquery-1.11.2.min.js	4 hours
https://webgl2fundamentals.org/webgl/lessons/resources/index.css	4 hours
https://webgl2fundamentals.org/webgl/lessons/resources/lesson.css	4 hours
https://webgl2fundamentals.org/webgl/lessons/resources/lesson.js	4 hours
https://webgl2fundamentals.org/webgl/lessons/resources/rss-icon.svg	4 hours
https://webgl2fundamentals.org/webgl/resources/3d-math.js	4 hours
https://webgl2fundamentals.org/webgl/resources/same-code-02.js	4 hours
https://webgl2fundamentals.org/webgl/resources/twgl-full.min.js	4 hours

Speed test – Images

File size of all images combined

1.49KB

Image optimisation

All images are optimized.

Links

We found a total of 45 different links.
Internal links: 41
External links: 4

External links:

Link text (anchor)	Link strength
go here
TWGL, A tiny WebGL helper library
github
Fix or Fork me on GitHub

Internal links:

Link text (anchor)	Link strength
http://webgl2fundamentals.org/atom.xml
How to use WebGL2
What's new in WebGL2
Moving from WebGL1 to WebGL2
Differences from WebGLFundamentals.org to WebGL2Fundamentals.org
WebGL2 Fundamentals
WebGL2 How It Works
WebGL2 Shaders and GLSL
WebGL2 Image Processing
WebGL2 Image Processing Continued
WebGL2 2D Translation
WebGL2 2D Rotation
WebGL2 2D Scale
WebGL2 2D Matrices
WebGL2 - Orthographic 3D
WebGL2 3D Perspective
WebGL2 3D - Cameras
WebGL2 3D - Matrix Naming
WebGL2 3D - Directional Lighting
WebGL2 3D - Point Lighting
WebGL2 - Less Code, More Fun
WebGL2 - Drawing Multiple Things
WebGL2 - Scene Graphs
WebGL2 3D Geometry - Lathe
WebGL2 3D - Textures
WebGL2 - Using 2 or More Textures
WebGL2 - Cross Origin Images
WebGL2 2D - DrawImage
WebGL2 2D - Matrix Stack
WebGL2 Text - HTML
WebGL2 Text - Canvas 2D
WebGL2 Text - Using a Texture
WebGL2 Text - Using a Glyph Texture
WebGL2 Setup And Installation
WebGL2 Boilerplate
WebGL2 Resizing the Canvas
WebGL2 - Animation
WebGL2 and Alpha
WebGL2 - 2D vs 3D libraries
WebGL2 - Anti-Patterns
Helper API Docs

Website security

104.28.25.65

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.

Order of Heading elements on mobile by position

H1 : WebGL2 Fundamentals , ( 100.5px from top )
H1 : Table of Contents, ( 1089.5px from top )

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