Sharing, syndication and search engines¶
General resources:
- Google on meta descriptions
- Twitter cards, reference
- Facebook OpenGraph reference
- RSS specification
- Atom specification
Title¶
| What | |
|---|---|
| “A clear title without branding or mentioning the domain itself.” | |
| Max. 70 characters |
Descriptions¶
Various description formats that we should support:
| What | Format | Length | Description |
|---|---|---|---|
| preview | html | any | What we display as preview on the blog front page. |
| meta | plain | 160 | What search engines displays as article description.
|
| RSS2 | either | any | The RSS2 description tag. |
| Atom | either | any | The Atom summary tag. |
| plain | 200 | The twitter:description card tag. |
|
| OpenGraph | plain | ? | Docs say “between 2 and 4 sentences”, but examples only have one sentence. |
Images¶
| What | Description |
|---|---|
| Atom | For feeds as a whole: icon should be quare, logo is “larger”, aspect ratio 2:1.
I couldn’t find any spec stating any recommended/min/max sizes. |
| RSS2 | For feeds as a whole: Maximum is 144x400px, default is 88x31px. |
| Minimum 120x120px, must be less then 1MB, cropped to a square. | |
Minimum 200x200px (but < 600x315 for “small images”), aspect ratio 1.91:1. See also: Best practices |