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A helpful checklist/collection of Search Engine Optimization (SEO) tips and techniques.
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readme.md

Search Engine Optimization (SEO)

A helpful checklist / collection of Search Engine Optimization (SEO) tips and technics.

Table of Contents

URL

  • Descriptive URLs: use a descriptive page url, which should reflect your targeted keyword
  • Subdomain or subfolder: subdomains are seen as separate domains
  • Hyphans: split words using hyphans
  • www or no-www: provide both domains, but set a prefered version in Google Webmaster Tools
  • Localisation: chookse a country-specific domain, for better local search results
  • HTTPS: Security is a top priority for Google

Title

  • every page shound have a unique speaking title (60 - 100 characters)
<title>Website Title goes here</title>

Keywords

  • select specific keywords
  • every page shound have unique keywords
  • max. 10 keywords
<meta name="keywords" content="10 words">

Description

  • every page shound have a unique description
  • max. 160 characters
<meta name="description" content="max 160 Chars">

Content

  • Content: Content matters the most in SEO
  • Headings: Clear structure H1 - H6 max. 70 characters long
  • Keyword: Targeted keyword should appear in 3% of content length
  • Strong: use strong tag to highlight your targeted keyword
  • Unique: do not provide duplicated content, use unique content types
  • Length: article should be at least 300 words
  • Freshness: new content is important. Updating pages or regulary posting is recommended

Images

  • Alt tag (60 - 70 characters)
  • Use a CDN or a subdomain to allow parallal http-requests

Links

  • add meaningful title
  • Only add external links if you got a backlink to your site
  • add rel="nofollow" attribute to external links
  • add ~ 3 internal links to your content

Social Media

  • Social link rank up your site

  • use social snippets OpenGraph, Facebook, Twitter

  • Authorship information

    <link rel="author" href="https://plus.google.com/u/0/[GOOGLE+ ID]">

    <a href="https://plus.google.com/u/0/[GOOGLE+ ID]?rel=author">Google</a>

  • social profiles

    <span itemscope itemtype="http://schema.org/Organization">
  <link itemprop="url" href="http://www.your-company-site.com">
  <a itemprop="sameAs" href="http://www.facebook.com/your-company">Facebook</a>
  <a itemprop="sameAs" href="http://www.twitter.com/YourCompany">Twitter</a>
</span>

Sitemap

  • HTML sitemap: An HTML sitemap allows site visitors to easily navigate a website.
  • XML sitemap: Help search engines to index your pages
  • Image sitemap: Increase that your images can be found in Image Search results
  • Video sitemap: Make sure, search engines know about all the video content on your site
  • Mobile sitemap: For feature phones, you can create a mobile sitemap

Errors and access

  • provide 403 - Acced denied page
  • provide 404 - Page not found page
  • add a robots.txt file
  • Avoid FILE_NOT_FOUND errors

Performance

  • Performance and loading time matters
  • only serve concatenated and minified files
  • if possible no redirects
  • compress images (ImageOptim)

UX

  • User friendly site
  • clickable links should not be too small

Mobile

  • add viewport tag
 <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0">

Validation and accessibility

Search

Analytics

Tools