DEVJPT · Blog
Hands-on articles to put artificial intelligence to work for your business: show up in ChatGPT and AI assistants, choose and use Claude, build SEO content on your customers’ real demand, and get the most out of ChatJPT, DEVJPT’s free multi-model AI chat app. Every article relies on verifiable sources and on my experience as a developer, AI trainer and SEO specialist.
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AI assistants now answer in place of search results. What makes them cite a source, and how to find out who they recommend in your market.

A URL-prefix property can hide part of your clicks. The real case of a network with part of its clicks invisible, and how to check yours.

One month or two? What is this number? How I rebuilt a Search Console + GA4 report so leadership can read it without a single question.

An FAQ that promises an unauthorized price or warranty should never go live. How an automatic gate and a human share quality control.

Choose topics, verify before publishing, measure every month, get cited by AI: the loop that turns content into results you can track.

Prices, contracts, data, safety: what Anthropic’s IPO changes, or doesn’t, for a business that uses Claude.

Anthropic is going public on Nasdaq (ANT): timeline, $70 to $78 range, valuation, financials and governance, according to the prospectus.

Use Claude Fable 5.2 with your own API key in ChatJPT, for free: what a question costs, and when the API beats a subscription.

Claude Fable 5.2 is Anthropic’s most capable model. What it does better, its lower price, its safeguards and data retention.

Claude Dashboards becomes Claude Data: certified queries, data stories, live sharing. What you need in place before using it.

Claude Whiteboards turns a spoken plan into a timeline with owners and dates. How a small team can use it.

Claude Sheets builds spreadsheets with formulas and drop-downs from a simple request. What it does, its limits and when to use it.

Claude Fable 5.2, Sheets, Whiteboards and Data: what Claude offers small businesses, subscription or API, and what to check before adopting it.

The llms.txt file promises visibility in ChatGPT. What it really does, what Google and OpenAI say about it, and how to write a good one.

A website can block ChatGPT without anyone noticing. Check your robots.txt and llms.txt with a free tool, then fix what’s blocking.

Block AI training without disappearing from ChatGPT: OpenAI’s crawlers, what to write in your robots.txt and the firewall trap.

Microsoft is one of ChatGPT’s search providers. Why you should add your website to Bing, and how to do it with IndexNow and Bing Places.

OpenAI launches Businesses in ChatGPT: claim your profile, verify it and track mentions. The steps, and what’s possible in Canada today.

How ChatGPT finds a business, and three steps to show up: claim your profile, get indexed in Bing and let OpenAI’s crawler read your website.

Give meaning to AI and numbers to code: the rule that makes a content pipeline reliable, and a report you can defend in front of leadership.

The market sometimes asks for what you don’t offer. Honest content says so. How a verified brand file protects your promises.

On a real project, almost one FAQ answer in five invented a fact about the company. Two changes brought it under 1%. Here is what they were.

The real risk of AI content is invented claims about your business. How an evidence file keeps every sentence verifiable, from source to page.

Learn how to use ChatJPT: add an API key, choose a model and mode, chat, compare models, and create images, videos, and voices.

Use AI deep research for sourced reports with Gemini Deep Research, Qwen, Perplexity and Grok inside ChatJPT.

Generate AI images and videos in ChatJPT with GPT Image, Nano Banana, Grok, Recraft, Bria, Wan and voice tools.

Compare two AI models using the same prompt and view GPT, Claude, Gemini, Grok, or Mistral responses side by side in ChatJPT.

Learn how to get an AI API key from OpenAI, Anthropic, Google, Mistral, Cohere and others, then add it securely to ChatJPT.

The ChatJPT philosophy: a free and lightweight AI tool without a server or account. Keep your keys locally and choose your AI provider.

How ChatJPT is built as a single HTML file using plain JavaScript, no server, direct API calls, and strict security measures.

Discover ChatJPT’s history, from version 1.1 in June 2026 to 16 AI providers: chat, comparison, images, video, voice, and deep research.