The fastest way to add a photo gallery in current WordPress is to edit a page or post, insert the core Gallery block, upload or select your images, and configure its display and links. You can create a responsive grid without a plugin, enable Enlarge on click for a built-in lightbox-style viewer, and add captions and alternative text before publishing.
Choose the right WordPress gallery method
Your editor and the result you need determine the best path:
| Method | Best for | Maintenance and controls |
|---|---|---|
| Gallery block | Most new WordPress sites | Fewest steps; columns, image size, crop, spacing, captions and link behavior are built in. |
| Dynamic “Use attached images” gallery | Posts whose media should update automatically | New images attached to the post can appear without manually editing the gallery; you can later detach it. |
| Classic Editor gallery/shortcode | Sites still using the Classic Editor | Different controls and workflow from the block editor. |
| Gallery or lightbox plugin | Special layouts or presentation controls unavailable in core WordPress | Requires installation, configuration and compatibility checks with your theme, page builder and WordPress version. |
For a normal album, portfolio or event page, start with the core Gallery block. It avoids plugin maintenance and handles the ordinary grid and enlarge-on-click use cases.
Prepare images before uploading
- Use original, legally usable photographs and remove images visitors should not see.
- Give files descriptive names such as london-bridge-sunset.jpg instead of camera-generated names. This helps media-library searches, although it does not replace alternative text.
- Export a sensible web size. Extremely large originals increase upload time and page weight; excessive compression creates visible artifacts.
- Decide whether each image conveys information. Informative images need meaningful alternative text; purely decorative images should be marked decorative where the image settings provide that option.
- Write captions only when they clarify the subject, location, date or context. A caption should add information rather than repeat the file name.
Add a gallery with the WordPress block editor
- Open the content. In the WordPress dashboard, open Pages or Posts, then create a new item or edit the one that should contain the gallery.
- Place the cursor. Click where the gallery belongs. You can insert it between paragraphs, inside a compatible column or within another supported layout block.
- Insert Gallery. Click the + Block Inserter and choose Gallery. Alternatively, type
/galleryin an empty block and press Enter. - Add photographs. Select Upload to add files from your computer, or Media Library to choose existing uploads. You can also drag image files into the gallery block.
- Confirm the selection. Check that every intended image is present and remove accidental uploads before continuing.
- Set the presentation. In the block settings, choose the number of columns, image resolution, aspect ratio, crop behavior and spacing. Use the toolbar move controls or List View to reorder images.
- Add text. Enter a gallery caption if the collection needs an overall description. Add individual image captions where they explain a person, place, product or event.
- Choose links. Set each image, or the gallery’s link behavior where available, to Attachment page, Media file, Enlarge on click or None. Use Enlarge on click when visitors should open a larger image and move through the set without leaving the page.
- Check accessibility. Select each informative image and enter useful alternative text in its image settings. Describe what matters in the image, not its filename or the words “image of.” Mark a decorative image as decorative when it carries no information.
- Preview and publish. Preview at the published content width, test on a narrow phone-sized viewport, activate every image link, and verify keyboard behavior. Select Publish for a new page or Update for an existing one.
Recommended settings for a readable grid
- Columns: Choose a count that leaves thumbnails large enough to identify. Fewer columns usually work better on narrow content areas.
- Image resolution: Use a web-appropriate size rather than forcing full camera originals into thumbnails.
- Aspect ratio and crop: Keep a consistent ratio for a tidy grid, but avoid cropping important faces or product details.
- Spacing: Increase gaps when neighboring images visually merge; reduce them when the gallery must fit a compact layout.
- Randomize order: Use only when sequence is unimportant. A documentary, tutorial or story gallery should retain its deliberate order.
Create a gallery that updates from attached images
The Gallery block can use Use attached images to create a dynamic gallery. This is useful when a post should automatically include media attached to it: adding another attached image can update the gallery without manually inserting it. Review the result after attaching media, because the order and membership now depend on the post’s attachments rather than only the block’s original selection. If you need a fixed set, detach the dynamic gallery and edit it as a regular gallery.
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Use the Classic Editor
Sites still using the Classic Editor follow a different gallery and shortcode workflow. In the post or page editor, use the media insertion controls to create a gallery, select or upload images, arrange them, add captions and insert the gallery. The available controls and generated shortcode differ from the block editor, so do not expect block settings such as the same sidebar options or List View. Preview the front end after insertion, especially if a theme overrides gallery styles.
Native enlarge-on-click versus a lightbox plugin
When the core blocks are enough
The Gallery and Image blocks cover a grid plus larger-image viewing through Enlarge on click. This is the simplest implementation: there is no separate plugin to update, configure or test, and the gallery remains part of WordPress’s editor content.
When a plugin may be justified
Consider a plugin when you need a presentation or control the core blocks do not provide, such as a specialized lightbox layout or additional navigation options. One documented option is the WordPress.org plugin Lightbox for Gallery & Image Block. Its setup is to activate the plugin, add a Gallery or Image block, set the image link to Media File, and test on the front end.
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Do not assume a plugin works with every theme or page builder. Check its compatibility information against your WordPress version and test in a staging copy when possible. Theme CSS, optimization plugins, consent tools and page builders can change gallery markup or intercept clicks.
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Make the gallery accessible
- Alternative text: Describe the meaningful subject or action. For a photo of a red kayak on a lake, “red kayak on a misty lake at sunrise” is more useful than “kayak.jpg.”
- Decorative images: If an image contributes no information, mark it decorative instead of adding empty or misleading words.
- Captions: Identify people, locations, dates or context when that information is necessary to understand the collection.
- Keyboard use: With enlarge-on-click enabled, tab to a thumbnail, open it, move through images and close the viewer without a mouse.
- Contrast and focus: Check focus indicators, caption contrast and close controls against the active theme.
- Mobile layout: Ensure thumbnails are large enough to tap and that captions do not overflow or become unreadable.
Performance and image quality
A gallery can contain many files, so balance visual quality with page weight. Upload appropriately sized images, avoid duplicating the same high-resolution original in multiple blocks, and inspect the published page on a slower connection. Lazy-loaded images may not appear until a visitor scrolls; that is normal, but the first viewport should still load quickly. Test the actual published URL rather than relying only on the editor preview, because caching, optimization and theme scripts run on the front end.
Troubleshoot common gallery problems
The Gallery block does not appear
Confirm that you are editing content in the block editor and that the inserter is not filtered by a search term. Type /gallery in a new block. If the site uses the Classic Editor, use its media workflow instead.
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Images are missing from the Media Library
Check that the upload completed, that you are viewing the correct date or media filter, and that the user account has permission to access the files. Re-upload a file that failed and verify its format and size meet the host’s limits.
The gallery is too wide or the columns look wrong
Inspect the gallery’s column, image-size, aspect-ratio and spacing settings. Then check the page content width and theme CSS. A theme or page-builder container can override the block’s intended width.
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Clicking an image opens the wrong destination
Select the gallery or image and review its link setting. Choose Enlarge on click for the native viewer, Media file when a plugin expects that target, Attachment page for a separate attachment URL, or None to disable links.
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The lightbox does not open
Test the published page, not only the editor. Disable conflicting lightbox or optimization scripts one at a time, clear caches, and verify that the theme has not removed the block’s click behavior. If using a plugin, follow its documented requirement to set the link to Media File.
Captions or alternative text disappeared
Reopen each image’s settings and save the post. Some migration, synchronization or page-builder processes replace block markup; compare the editor content with the front end after those operations.
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FAQ
Can I add a gallery without installing a plugin?
Yes. The core Gallery block supports uploads, existing media, columns, captions, sizing, spacing and enlarge-on-click viewing.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchShould every gallery image have a caption?
No. Add captions when they provide useful context. Alternative text remains important for informative images even when no visible caption is needed.
What is the difference between a media file and an attachment page link?
A media-file link opens the image resource, while an attachment-page link opens a WordPress page dedicated to that media item. Enlarge on click keeps the visitor in a larger viewer on the current page.
Can I change a gallery after publishing?
Yes. Edit the page or post, select the gallery, reorder or replace images, change settings, and choose Update. A dynamic attached-image gallery may also change when attachments are added.
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