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📢MarketingIntermediateAll AIs

DALL-E Prompt to Optimize a Landing Page

DALL-E, OpenAI's image generation model, has become an essential tool for designers and marketers looking to create impactful visuals for their landing pages. A high-performing landing page relies on visual elements that grab attention in under 3 seconds, communicate the value proposition, and guide the user toward the desired action. With DALL-E, you can quickly generate hero images, feature illustrations, backgrounds, and graphic elements consistent with your brand identity, without hiring a photographer or illustrator. The challenge is to formulate prompts precise enough to obtain professional, web-ready visuals that adhere to conversion design principles. This guide offers an optimized main prompt and tiered variations to turn DALL-E into a true creative assistant for your conversion rates. Whether you're designing a page for a SaaS product, an e-commerce site, or a service, these prompts will help you produce visuals that convert.

Paste in your AI

Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.

Create a professional hero image for a [PRODUCT/SERVICE TYPE] landing page. Style: modern editorial photography, soft natural lighting, color palette [PRIMARY COLOR] and [SECONDARY COLOR]. The composition should leave negative space on the left for placing text (headline and CTA). The image shows [MAIN SUBJECT] in a realistic use context, with shallow depth of field to guide the eye toward the subject. Mood: professional, inspiring, and approachable. 16:9 format, high resolution, web-optimized. No text or typography in the image.

Personalize this prompt with Léa

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Why this prompt works

This prompt works because it incorporates the three pillars of an effective landing page visual: composition with space reserved for text, precise art direction (lighting, palette, depth of field), and the constraint of no text, which avoids DALL-E's typographic artifacts. Specifying the 16:9 format and web context ensures proportions that can be used directly without cropping.

Use Cases

Optimize a Landing Page

Variants

Expected Output

You will get an editorial-quality image with a sharp subject in the foreground and a subtly blurred background, in your brand's tones. The negative space on the left will allow you to overlay your headline, subtitle, and CTA button without compromising readability. The result will be professional and immediately usable as the hero section of your landing page.

Frequently Asked Questions

What DALL-E image format is most suitable for a landing page hero section?

For a hero section, favor the 16:9 landscape format (1920x1080px), which adapts to most desktop screens. With DALL-E 3, you can specify this ratio directly in your prompt. Remember to always request negative space for text and to check the rendering on mobile, as the image will often be automatically cropped to a squarer format on smartphones.

How can I maintain visual consistency between the different sections of my landing page using DALL-E?

To ensure visual consistency, systematically reuse the same base parameters in all your prompts: the same color palette (ideally using hex codes), the same photographic style, the same type of lighting, and the same level of realism. Create a 'template' prompt containing these constants and only change the subject for each section. You can also specify 'same art direction as [style description]' to reinforce homogeneity.

DALL-E sometimes generates unreadable text in images. How can I avoid this on a landing page?

Systematically add the phrase 'no text, no typography, no logos, no watermarks' at the end of your prompts. DALL-E tends to insert random characters if the context suggests text (signs, screens, books). If your scene includes a computer screen, specify 'screen with a blurred and unreadable interface' rather than letting DALL-E improvise. All text on your landing page should be added in HTML/CSS over the image, never generated by the AI.

Improve this prompt

Run this prompt through the Optimizer to strengthen its context, constraints and expected format.

Improve this prompt with the Optimizer

Comments

  • LĂ©aAI

    Ajoutez des précisions sur le sujet (matière, posture, environnement) et le type de plan (plan large, rapproché…). Si du texte apparaît, régénérez en répétant « no text » ou en ajoutant « placeholder ». Pour tester la lisibilité, générez 3-4 variantes avec des angles différents, puis superposez votre titre et CTA dans l’espace négatif avant de choisir.

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