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Images

From Swarthmore Knowledge Base

This section covers adding images to your website. Swarthmore webpages are set up to allow editors to quickly and easily add an image at the top of any webpage. This location is called the Primary Image and is the most common method for adding images to a webpage.

Editors can also choose to add an image within the body copy of a page. This option involves a few more steps, but it allows editors to place images anywhere within the body content.

Images can also be added through many of the available components. This is covered in the Components section.

Website homepages also provide additional layout options, including the ability to display two images or a large full-span image.

Alt Text is Required
All images added to the website must include alt text.

Alt text is a written description of an image. It is displayed when an image cannot be loaded and is essential for visitors using assistive technologies such as screen readers, those browsing with images disabled, or those with limited bandwidth.

The WCAG Alt Decision Tree is a useful resource for deciding whether an image requires alt text and what that description should include. Think about how the image relates to the surrounding content. If it adds meaning or improves understanding, it should include meaningful alt text.

Writing effective alt text is a skill. One helpful approach is to imagine describing the image to someone over the phone so they understand both what it shows and why it is included. For additional guidance and examples, see Alt Text as Poetry.


Image Editing
Drupal does not include built-in image editing tools. Any cropping, resizing, color correction, or file format conversion should be completed before uploading the image. You can use software such as Adobe Photoshop or free online editors like Canva or Pixlr.


6.1 Adding a Primary Image

1. The Primary Image field is located below the Title and Subtitle fields and above the Body field. This is where editors add an image that appears at the top of the webpage.

2. Click the Insert an Image button. A window titled Insert an Image will appear.

Screenshot showing the Primary Image field and the Insert an Image button.
Figure: The Primary Image field is located above the Body field.

3. In the Insert an Image window, select Upload Image to upload a new image or Select Image to choose an image that has already been uploaded to the site's image library.

4. Select the appropriate image using the radio button to its left.

5. Click the Select Image button in the lower-left corner.

Screenshot of the Insert an Image dialog showing the Upload Image and Select Image options.
Figure: Select an existing image or upload a new one.

6. A thumbnail preview will now appear. Whenever you add an image to a webpage, you must include alternative text.

7. Under Image Alignment, choose one of the following options:

  • Centered Above Content — Best for large landscape images. The image is displayed above the body content.
  • Floating Right — Best for portrait or smaller images. The image is displayed to the right of the body content and the text wraps around it. If a large landscape image is used, Drupal automatically scales it down before wrapping the text.

Centered Above Content

Example of a centered primary image displayed above the page content.
Figure: Centered Above Content image alignment.

Floating Right

Example of a primary image using the Floating Right alignment.
Figure: Floating Right image alignment.

8. Optionally, add an image caption to provide additional context for readers.

Screenshot showing the image caption field for a primary image.
Figure: An optional caption can be added beneath the primary image.

6.2 Adding an Image in the Body Copy

You can also choose to add images directly within the body copy rather than using the primary image at the top of the page. This process involves a few additional steps, but allows you to position images closer to the content they reference.

1. Place your cursor where you want the image to appear.

2. Click the Add Image using Image Browser button.

Screenshot showing the Add Image using Image Browser button in the editor toolbar.
Figure: Select the Add Image using Image Browser button to insert an image into the body copy.

3. In the Insert an Image window, choose Upload Image to upload a new image or Select Image to use an image that has already been uploaded to the website.

4. Select the desired image using the radio button.

5. Click the Select Image button in the lower-left corner.

Screenshot of the Insert an Image dialog used for body copy images.
Figure: Select an existing image or upload a new one.

6. The image will now appear in the body copy.

7. Use the image toolbar to manage the image's properties.

Screenshot showing an inserted image and its editing toolbar.
Figure: After inserting an image, use the toolbar to manage its properties.

The Insert Image in Body Copy toolbar provides several options:

Screenshot identifying the controls available for images inserted into the body copy.
Figure: The image toolbar provides controls for accessibility, captions, links, and image styles.
  1. Manage Alt Text / Decorative Image — Allows you to add alternative text or mark the image as decorative. All meaningful images require alt text to meet Swarthmore's accessibility standards. Decorative images should only be used when an image conveys no additional information beyond the surrounding content.
Screenshot of the Alt Text dialog.
Figure: Use this dialog to add alt text or mark an image as decorative.
Screenshot showing the Decorative Image option.
Figure: Images that are purely decorative can be marked as decorative instead of providing alt text.
  1. Toggle Caption On/Off — Shows or hides the image caption field.
Screenshot showing how to enable or disable an image caption.
Figure: Toggle the caption field on or off.
  1. Image Link — Allows you to make the image a link. See Links for more information.
Screenshot showing the Image Link option.
Figure: Images can be configured to link to another page or resource.
  1. Standard Image Alignment / Caption Styles — Controls image alignment and caption placement.
    1. Caption Below — The image remains full width and centered. The caption appears beneath the image.
    2. Caption Right — The image remains full width and floats left. The caption appears to the right.
    3. Image Floated Left Caption Below — The image is reduced to approximately 50% width and floated left. The caption appears below, and body text wraps around both.
    4. Image Floated Right Caption Below — The image is reduced to approximately 50% width and floated right. The caption appears below, and body text wraps around both.
Screenshot showing the available caption and alignment styles.
Figure: Choose an image alignment and caption style appropriate for your content.
  1. Gray Image Background Captions — Applies a gray background behind the image and caption.
    1. Gray Image Background / Image Centered — The image remains full width and centered. The caption appears below.
    2. Gray Image Background / Image Floated Left Caption Below — The image is reduced to approximately 50% width and floated left. The caption appears below, and body text wraps around both.
    3. Gray Image Background / Image Floated Right Caption Below — The image is reduced to approximately 50% width and floated right. The caption appears below, and body text wraps around both.
Recommendation
The gray background caption styles are an older design that is no longer in active use. It is recommended that you use one of the standard caption styles listed above.


Screenshot showing the legacy gray background caption styles.
Figure: Legacy gray background caption styles.
  1. Clear Styles — Removes any applied caption or alignment styles and returns the image to its default centered display with no caption.
Screenshot showing the Clear Styles option.
Figure: Use Clear Styles to remove all image styling and captions.

6.3 Homepage Images

The homepage is unique in that it offers additional header image layout options. These include:

  1. One or Two Images Aligned Left — Display either one image or two stacked images to the left of the website title.
  2. One or Two Images Aligned Right — Display either one image or two stacked images to the right of the website title.
  3. Full-Span Image — Display a single image that spans the full width of the page. The page title is overlaid on the lower-left corner of the image.
Full-Span Images
The Full-Span Image layout requires images with specific dimensions in order to display correctly. See Recommended Image Sizes for more information.


Examples:

One Image Aligned Left

Example of a homepage using a single image aligned to the left of the page title.
Figure: Homepage layout with one image aligned left.

Two Images Aligned Right

Example of a homepage using two stacked images aligned to the right of the page title.
Figure: Homepage layout with two images aligned right.

Full-Span Image

Example of a homepage using a full-span header image with the page title overlaid.
Figure: Homepage layout using a full-span image.

The homepage header layout is managed by editing the homepage.

  1. Select the desired header layout from the dropdown menu.
  2. Optionally enable the overlay toggle to apply a subtle opaque filter to the Full-Span Image. This improves the readability of the page title displayed over the image.
  3. Add a new image (or a second image, depending on the selected layout).
  4. View the current image and alt text. You can also replace or remove the image.
  5. Save the homepage as either Draft or Published.
  6. Click Save to commit your changes or Cancel to discard them.
Screenshot showing the homepage header image settings, including layout selection and image management options.
Figure: Homepage header image configuration options.

6.4 Recommended Image Sizes

The following image style guide shows the recommended image dimensions for pages, components, profiles, news, and events.

Image Size Guidelines
All dimensions are listed in pixels (width × height). For photographs, save images as JPEG (.jpg) files using approximately 70% compression to achieve a good balance between image quality and file size.


6.4.1 Recommended Sizes for Header Images

Image Type Retina (WxH) Standard (WxH) Preferred Ratio Preferred Orientation
Homepage - Single Image 1756 x 1170 878 x 585 3:2, 16:9 landscape
Homepage - Double Image (Front) 1056 x 704 528 x 352 3:2, 16:9 landscape
Homepage - Double Image (Rear) 880 x 662 440 x 331 3:2, 16:9 landscape
Homepage - Full Width 3500 x 1360 1750 x 680 custom landscape
Standard Page 1524 x 940 762 x 470 3:2, 16:9 landscape

6.4.2 Recommended Sizes for Components

Image Type Retina (WxH) Standard (WxH) Preferred Ratio Preferred Orientation
Feature 1530 x 1046 765 x 523 landscape
Feature Link List 1300 x 858 650 x 429 landscape
Image Slider (Slideshow) 1600 x 1000 800 x 500 8:5 landscape
Image Slider (Gallery Thumbnails) 720 x 476 360 x 238 16:9 landscape
Media Object List 960 x 600 480 x 300 8:5 landscape
Multi-Column Callout 600 x 600 300 x 300 1:1 landscape
Image Callout 1560 x 1040 780 x 520 landscape
Full Width Callout 3500 x 1240 1750 x 620 custom landscape
Callout on Image 1300 x 900 650 x 450 3:2, 16:9 landscape
Feature Story Callout (Left) 1530 x 1046 765 x 523 3:2 landscape
Feature Story Callout (Right) 1070 x 698 535 x 349 3:2 landscape
Audio (Thumbnail) 298 x 298 149 x 149 1:1 square
Ambient Video (Fallback Image) 3500 x 1464 1750 x 732 custom landscape

6.4.3 Recommended Sizes for Profiles

Image Type Retina (WxH) Standard (WxH) Preferred Ratio Preferred Orientation
Profile Headshot 372 x 466 186 x 233 4:5 portrait

6.4.4 Recommended Sizes for News and Events Pages & Thumbnails

Image Type Retina (WxH) Standard (WxH) Preferred Ratio Preferred Orientation
News Page (Standard) - - - -
News Page (Featured) 2880 x 1266 1440 x 633 16:9, 3:2 landscape
News Feed Pane (Standard Thumbnail) 560 x 320 280 x 160 16:9, 3:2 landscape
News Feed Pane (Featured Thumbnail) 1760 x 960 880 x 480 16:9, 3:2 landscape
News Feed Pane (Full Page Listing) 840 x 480 420 x 240 16:9, 3:2 landscape
Events Feed Pane (Thumbnail) 840 x 532 420 x 335 16:9, 3:2 landscape
Events Feed Pane (Full Page Listing) 840 x 670 420 x 335 16:9, 3:1 landscape