Subtitle
A subtitle is secondary text that supplements, qualifies, or clarifies a main title.
Build a Website with ChatGPT
A subtitle is a secondary line of text displayed below a primary title to provide additional description or context.
- How it is used
- Positions a short tagline beneath a web page title to summarize or add context to a personal, journal, or interest site.
- How deep it goes
- Explains placement and purpose, then demonstrates prompt-based creation without descending into detailed HTML or CSS implementation.
- Examples
- Uses personal homepages, online journals, interest websites, and the “Cryptic Writer” title-and-tagline pair.
- What you can do after
- Apply via ChatGPT by generating, selecting, and inserting a concise tagline into a page header.
Data Storytelling with Altair and AI
A subtitle is a secondary heading that supplements or clarifies a title.
- How it is used
- Sets chart context so visual findings become an engaging data story.
- How deep it goes
- Develops a four-step generation and refinement procedure, then demonstrates chart implementation without deeper typography treatment.
- Examples
- Uses homelessness context and a fake-news chart comparing material, moral, and spiritual life.
- What you can do after
- Apply ChatGPT and Altair to generate, refine, and place a contextual subtitle on a chart.
Read how Data Storytelling with Altair and AI explains subtitle →
Related concepts
- ChatGPTproduced by · ChatGPT is OpenAI’s conversational AI service, which lets users interact with generative AI models and related tools through natural-language prompts.
- header elementpart of · The HTML header element represents introductory content or navigational aids for a document or section.
- contextconfigures · Context is the surrounding information, state, or circumstances that condition how an entity, event, or task is interpreted or how a system behaves.
- fine-tuningproduced by · Fine-tuning is adapting a pretrained machine-learning model by training it further on targeted data or objectives for a task, domain, or behavior.
- title elementcontrasts with · The HTML title element specifies a document’s title, which browsers and other technologies use in tabs, history, bookmarks, search results, and accessibility contexts.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.

