8131. Jekyll - SEO
SEO, CDN, and DNS


Optimize the website to improve the rankings.

1. SEO

Search engine optimization (SEO) is the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine.

1.1 robots.txt

Avoid web crawler to visit specific content, eg. /note.

User-agent: *
Disallow: /note/

1.2 RSS Feed

Edit /blog/atom.xml

---
layout: nil
type: blog
---

<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">

  <title>{{ site.blogtitle }}</title>
  <link href="{{ site.url }}/blog/atom.xml" rel="self"/>
  <link href="{{ site.url }}/blog"/>
  <updated>{{ site.time | date_to_xmlschema }}</updated>
  <id>{{ site.url }}</id>
  <author>
    <name>{{ site.author.name }}</name>
    <email>{{ site.author.email }}</email>
  </author>

  {% for post in site.posts %}
      <entry>
        <title>{{ post.title }}</title>
        <link href="{{ site.url }}{{ post.url }}"/>
        <updated>{{ post.date | date_to_xmlschema }}</updated>
        <id>{{ site.url }}{{ post.id }}</id>
        <content type="html">{{ post.content | xml_escape }}</content>
      </entry>
  {% endfor %}

</feed>

image

1.3 Sitemap

---
---
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  {% for page in site.pages %}
    {% if page.layout != nil and page.layout != 'feed' and page.url != '/note/' and page.url != '/index_note/' and page.url != '/index_tutorial/' and page.url != '/search/' and page.url != '/blog/atom.xml' and page.url != '/contact/'%}
      <url>
        <loc>http://jojozhuang.github.io{{ page.url | remove: 'index.html' }}</loc>
      </url>
    {% endif %}
  {% endfor %}

  {% assign portfolios = site.portfolio %}
  {% assign blogs = site.posts %}
  {% assign posts = portfolios | concat: blogs %}
  {% for post in posts %}
    <url>
      <loc>http://jojozhuang.github.io{{ post.url | remove: 'index.html' }}</loc>
    </url>
  {% endfor %}

</urlset>

image

2. Caching with CDN

2.1 Create a new account in Cloudflare

Add a new site, note the two name servers

  • miki.ns.cloudflare.com
  • owen.ns.cloudflare.com

2.2 Update Name server in GoDaddy

Find your domain, click the three dot button, choose ‘Manage DNS’. image Scroll down, see the Nameservers section, click ‘Change’ btton. image Select ‘Custom’ type and input two Cloudflare name servers. image Done. image You will receive an email from CloudFlare. image

3. Move Javascript Files to Bottom

Put javascript files to the bottom of the page can speed up the loading.

4. Reference