NLWeb Explained: Natural Language Search for Your Website
Key Takeaways
- NLWeb lets people ask your site questions in plain language.
- It uses structured data so AI can read your content correctly.
- It can expose standard endpoints like
/askand/mcp. - It helps your site show up in AI answers, not just link lists.
- It stays open and flexible, so you can choose your own tools.
People now search by asking full questions. They want direct answers. NLWeb helps your website answer back.
What NLWeb means
NLWeb means Natural Language Web.
It is an open project from Microsoft.
It helps websites add a chat-like search that uses natural language.
NLWeb lets visitors ask things like, “Which product fits my budget?”
Then it returns a clear, useful answer.
Also, it can support AI agents that query your site on purpose.
Keyword targets for this article
Primary keyword: NLWeb
Secondary keywords: Natural Language Web, conversational search, AI search, natural language interface, structured data, Schema.org markup, Model Context Protocol, MCP endpoint, AI agents, vector database
Why NLWeb matters now
Search behavior is changing fast. Therefore, websites must adapt.
Here are real numbers that show the shift:
- Half of consumers use AI-powered search today.
- 44% of AI-search users say it is their main source of insight.
- 31% pick traditional search as their main source.
- About 50% of Google searches already show AI summaries.
- That share may rise to over 75% by 2028.
- AI-powered search could impact $750 billion in US revenue by 2028.
- Brands could lose 20% to 50% of traffic if they do not prepare.
- Only 16% of brands track AI-search performance in a systematic way.
- Also, 40% to 55% of consumers in top sectors use AI search to buy.
So, NLWeb matters because AI needs clean inputs.
Also, AI answers often cite only a few sources.
Therefore, structured and readable content can decide who gets seen.
How NLWeb works in simple terms
NLWeb combines three things:
- Your site content
- Structured data formats
- A natural language interface powered by an LLM
First, you publish content with clear structure.
For example, you use Schema.org markup, RSS, or JSONL.
Then NLWeb turns that into AI-ready data for retrieval.
Next, NLWeb answers questions through standard endpoints.
Many deployments expose:
/askfor human questions/mcpfor AI agents using Model Context Protocol
Also, NLWeb can act like an MCP server.
So, trusted tools can query your site in a standard way.
How to prepare your site for NLWeb
You do not need to rebuild your site. However, you do need clarity.
Step 1: Make your content “list friendly”
NLWeb works best when your site has clear lists.
For example: products, recipes, events, places, or reviews.
So, use consistent titles, prices, dates, and locations.
Also, keep each page focused on one main topic.
Step 2: Add structured data you can trust
Structured data tells machines what your page means.
So, add Schema.org markup where it fits.
Use these habits:
- Put the right type on each page.
- Fill key fields like name, description, image, price, and date.
- Also, keep markup aligned with what users see.
Step 3: Publish clean feeds and metadata
If your site has an RSS feed, keep it accurate.
Also, keep sitemaps clean and updated.
Fresh signals matter. Therefore, remove broken URLs.
Step 4: Choose how you will run NLWeb
You can adopt NLWeb in different ways:
- Run the open-source NLWeb reference service.
- Or use a managed template that deploys NLWeb endpoints.
- Also, WordPress sites may benefit from integrations that roll out over time.
Pick the route that matches your team.
Then keep ownership of your content and rules.
Step 5: Connect retrieval to the right store
Most NLWeb setups use a vector database for semantic retrieval.
So, you index your content into that store.
Then your system can find the best passages fast.
Also, you can choose models and providers to fit your needs.
Step 6: Test answers like a user would
Ask real questions people ask.
Then check if answers match your pages.
Also, test edge cases:
- “Compare two items.”
- “Show me options under a price.”
- “Find the newest post about a topic.”
Fix content gaps as you find them. Therefore, your site improves over time.
Step 7: Secure the endpoints
Security still matters, even with AI.
So, treat NLWeb endpoints like any public API.
Use these basics:
- Keep the software updated.
- Store keys safely.
- Also, restrict access where you can.
Benefits and tips
NLWeb can help in practical ways.
Benefits
- Better discovery in AI answers. So, you stay visible in new search flows.
- More control. You serve structured answers, not scraped guesses.
- Better user experience. Visitors can ask questions instead of clicking 10 links.
- Future-ready architecture. You prepare for AI agents and new interfaces.
Tips that work well
- Write short, direct sections with clear headings.
- Also, answer common questions on the page itself.
- Add data points, dates, and names. Therefore, AI can cite you correctly.
- Keep pages updated. Fresh content reduces wrong answers.
- Finally, measure what people ask so you can improve content.
Did You Know?
McKinsey reports that AI-powered search could shift $750 billion in US revenue by 2028.
So, “AI visibility” is not a niche goal anymore.
Conclusion
NLWeb is a way to make your site speak in natural language.
It uses structured data and standard endpoints.
Therefore, both people and AI agents can query your content with confidence.
If you already invest in structured data, you are ahead.
However, you should tighten your content structure now.
Finally, you should treat NLWeb like a real product feature, not a demo.
FAQs
What is NLWeb in one sentence?
NLWeb is an open standard approach that lets users and AI ask your website questions in natural language.
Does NLWeb replace SEO?
No. However, it complements SEO by helping AI systems read and reuse your content correctly.
Do I need to add Schema.org markup for NLWeb?
You do not strictly need it. However, structured data like Schema.org markup makes results far better.
What is the difference between /ask and /mcp?
/ask serves conversational answers for people.
/mcp serves structured access for AI agents using Model Context Protocol.
Is NLWeb safe to run on a public site?
It can be safe. Therefore, you must keep it updated, protect keys, and follow API security basics.
Can WordPress sites use NLWeb?
Yes. Also, ecosystem work aims to help WordPress sites express content in AI-readable ways with less effort.
References
- https://yoast.com/what-is-nlweb/
- https://news.microsoft.com/source/features/company-news/introducing-nlweb-bringing-conversational-interfaces-directly-to-the-web/
- https://github.com/nlweb-ai/NLWeb
- https://developers.cloudflare.com/ai-search/how-to/nlweb/
- https://yoast.com/press/yoast-nlweb-microsoft-251125/
- https://www.mckinsey.com/capabilities/growth-marketing-and-sales/our-insights/new-front-door-to-the-internet-winning-in-the-age-of-ai-search
- https://schema.org/docs/gs.html
- https://modelcontextprotocol.io/specification/2025-06-18
- https://wordpress.org/support/plugin/wordpress-seo/reviews/
- https://wordpress.com/plugins/wordpress-seo
- https://www.theverge.com/news/719617/microsoft-nlweb-security-flaw-agentic-web