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For EMBL-EBI pages there are few loose groups of metatags that are recommended for your pages.
### 1. Theming metatags
These control the look of [the local masthead area]({{root}}websites/meta-patterns/page-structure.html).
You could achieve a similar look through CSS, but this method offers more reusability and smoother updates in future changes and improvements.
```html
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Recommended image size: 2462px wide, 322px high
### 2. Content review tags
These metatags help ensure content [the Web Content Committee](https://www.ebi.ac.uk/seqdb/confluence/display/WCC/Web+Content+Committee+Home) can understand who owns content, and if content is still current.
(note: future improvements regarding granularity are expected druing 2018)
```html
```
### 3. Social and SEO tags
These are not specific to EMBL-EBI, but here is some starting guidance.
```
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#### Further reading
- [Facebook](https://developers.facebook.com/docs/sharing/webmasters/)
- [Twitter](https://developer.twitter.com/en/docs/tweets/optimize-with-cards/overview/abouts-cards)
- [General SEO](https://moz.com/blog/seo-meta-tags)
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