Rules for media (photos, videos…)

A wide range of media (photos, videos, sounds, graphics) can be used on the web and all obey specific presentation rules.

– Photos: photos systematically feature captions and credits (copyright).

– Resolution: use low resolution (72 dpi) at all times to speed up display.

– Format: JPEG (average or high quality).

– Size: at least 640 pixels wide.

In WordPress, choose preformatted sizes if required.

– Weight: at most 80-100 KB per photo.

An example of efficient use of photos.

An example of good photo SEO.

Use this online tool to compress and reduce the weight of photos, Compressor (https://compressor.io).

– Slideshows: with a systematic title and teaser (at most 1 or 2 lines), captions (over at most 1 or 2 lines).

– Size: at least 640 pixels wide.

– Number of photos: at most 8-15 photos.

– Photos with captions.

– Short title and a teaser of 1 or 2 lines.

An example of efficient use of a slideshow.

– Size: at least 640 pixels wide.

– Zoom: close up for better visibility.

– If you can zoom in on the map tell readers how to do this (click on the map to enlarge).

– Size: at least 640 pixels wide.

– Distance: zoom in for better visibility.

– If you can zoom in on the graphic tell readers how to do this (click on the graphic to enlarge).

– Size: at least 640 pixels wide.

– Format: Mpeg 4.

– Duration – 3 possibilities:

> 30-40 sec. to one minute maximum if the video is used within a text.

> 1.30 to 2 min if the video is used alone (Multimedia Category).

> If the video lasts longer than this: divide the video up into several separate subjects.

– Short title and a teaser of 1 or 2 lines.

An example of well-edited video.

 

– Publication: title each sound, indicate the duration. Add a short teaser if the sound stands alone.

– Format: MP3.

– Duration – 3 possibilities:

> Short extract (10-15 seconds);

> Long extract (30 seconds to one minute);

> Beyond a minute: let readers download the sound file (podcast).

– Weight: at most 4 MB.