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.
Use this online tool to compress and reduce the weight of photos, Compressor.
– 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.