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 Generated on March 28 2016 00:22 AM

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SEO Content

Title Jonas Wagner / 29a.ch

Length : 21

Perfect, your title contains between 10 and 70 characters.
Description 29a.ch is the personal website of Jonas Wagner.

Length : 47

Ideally, your meta description should contain between 70 and 160 characters (spaces included).
Og Meta Properties Good, your page takes advantage of Og Properties. You can click the expand button below-right to see what it contains.

Property Content
title Jonas Wagner
url http://29a.ch/meta.json
type website
site_name 29a.ch by Jonas Wagner
H1 H2 H3 H4 H5 H6
9 25 6 0 0 0
  • [H1] 29a.ch experiments by Jonas Wagner
  • [H1] Normalmap.js Javascript Lighting Effects
  • [H1] Let's encrypt 29a.ch
  • [H1] Time Stretching Audio in Javascript
  • [H1] Noise Analysis for Image Forensics
  • [H1] Forensically, Photo Forensics for the Web
  • [H1] Light Leaks in the Film Emulator
  • [H1] Javascript Film Emulation
  • [H1] Full-text search example using lunr.js
  • [H2]  Experiments
  • [H2] TimeStretch Player
  • [H2] Analog Film Emulator
  • [H2] Forensically
  • [H2] Neonflames
  • [H2] Recent Articles
  • [H2] Demos
  • [H2] Future
  • [H2] How the time stretching works
  • [H2] Pure CSS User Interface
  • [H2] Future Features
  • [H2] Library Release
  • [H2] Noise Analysis
  • [H2] Example
  • [H2] A bit of code
  • [H2] How to use Forensically
  • [H2] How the Clone Detection works
  • [H2] Source Code
  • [H2] Feedback
  • [H2] How the Film Emulation works
  • [H2] Technology
  • [H2] Source Code
  • [H2] Indexing
  • [H2] Search Interface
  • [H2] Learn More
  • [H3] Oversimplified Explanation
  • [H3] Much better explanation
  • [H3] The basic idea
  • [H3] Compression
  • [H3] Filtering
  • [H3] Clustering
Images We found 16 images on this web page.

Awesome! Most or all of your images have alt attributes.
Text/HTML Ratio Ratio : 0%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content. Search engines these days are smart enough to figure out if a page is on-topic and interesting enough to get higher rankings in their search results.

Try to write a good article around 1500 words and check for grammar and spelling errors. As they say in the SEO world: "Content is King."
Flash Perfect, no Flash content has been detected on this page.
Iframe IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Your links have query strings. This is not very readable for your users.
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 73 links including 6 link(s) to files

Anchor Type Juice
29a.ch Internal Passing Juice
about me Internal Passing Juice
articles Internal Passing Juice
experiments Internal Passing Juice
software Internal Passing Juice
Normalmap.js Javascript Lighting Effects Internal Passing Juice
Tweet External Passing Juice
little experiment Internal Passing Juice
normal mapping External Passing Juice
Epic Games External Passing Juice
Disney External Passing Juice
normalmap.js External Passing Juice
29a.ch/sandbox/2016/normalmap.js/ Internal Passing Juice
Comments Internal Passing Juice
Let's encrypt 29a.ch Internal Passing Juice
Let’s Encrypt External Passing Juice
Service Workers External Passing Juice
Comments Internal Passing Juice
Time Stretching Audio in Javascript Internal Passing Juice
Play it Slowly Internal Passing Juice
TimeStretch Player Internal Passing Juice
Phase Vocoder External Passing Juice
FFT External Passing Juice
Improved phase vocoder time-scale modification of audio External Passing Juice
Comments Internal Passing Juice
Noise Analysis for Image Forensics Internal Passing Juice
Forensically Internal Passing Juice
histogram equalization External Passing Juice
Median Filter Internal Passing Juice
benchmark External Passing Juice
Comments Internal Passing Juice
Forensically, Photo Forensics for the Web Internal Passing Juice
tool for performing Error Level Analysis Internal Passing Juice
Detection of Copy-Move Forgery in Digital Images External Passing Juice
photo film emulator Internal Passing Juice
help page Internal Passing Juice
Comments Internal Passing Juice
Light Leaks in the Film Emulator Internal Passing Juice
g'mic External Passing Juice
light leaks External Passing Juice
implementation External Passing Juice
Comments Internal Passing Juice
Javascript Film Emulation Internal Passing Juice
Pat David External Passing Juice
Color Lookup Tables External Passing Juice
nearest-neighbor interpolation External Passing Juice
banding artifacts External Passing Juice
dithering External Passing Juice
trilinear filtering External Passing Juice
ES6 External Passing Juice
babel.js External Passing Juice
canvas External Passing Juice
web workers External Passing Juice
transferable objects External Passing Juice
flexible boxes External Passing Juice
scss External Passing Juice
fontello External Passing Juice
grunt External Passing Juice
browserify External Passing Juice
github External Passing Juice
Comments Internal Passing Juice
Full-text search example using lunr.js Internal Passing Juice
lunr.js External Passing Juice
Oliver External Passing Juice
article External Passing Juice
Introduction to Information Retrieval External Passing Juice
Comments Internal Passing Juice
View & search all my articles Internal Passing Juice
jwagner External Passing Juice
@29a_ch External Passing Juice
Jonas Wagner External Passing Juice
Linkedin External Passing Juice
Flickr External Passing Juice

SEO Keywords

Keywords Cloud
Keywords Consistency
Keyword Content Title Description Headings


Url Domain : 29a.ch
Length : 6
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language You have not specified a language.


Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 6
Warnings : 8
Email Privacy Warning! At least one email address has been found in plain text. Your email address will be used for spam. Please consider one of these options:

1. Integrate a contact form on your site.
2. Make it difficult for spam bots by using an obfuscator: Email Address Obfuscator
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Excellent, your website doesn't use nested tables.
Your website is using inline styles.
Great, your website has a few CSS files.
Perfect, your website has a few JavaScript files.
Your website does not take advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Missing

Your website does not have an XML sitemap - to make it easier for search engines to find your pages it is wise to generate a sitemap.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more efficiently.

Go here to know more on how to set this up: http://www.sitemaps.org/protocol.html

If you have a lot of pages (up to 500 pages is free) you can auto generate them here: https://www.xml-sitemaps.com
Robots.txt http://29a.ch/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights


Clicky Web Analytics