{{#markdown}} 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 ``` 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. ``` ``` #### 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) {{/markdown}}