Understanding Google’s A2A Protocol: Why It Matters for Your Website

In the very near future, your website won't be discovered by humans typing queries into search engines. It will be found—or missed—by AI agents looking for specific capabilities. Google's A2A Protocol is the key to whether your business exists in this new reality.

Table of Contents
    Add a header to begin generating the table of contents

    What is the A2A Protocol?

    Imagine if your smart assistants could talk directly to each other to solve problems for you. That’s the basic idea behind Google’s Agent-to-Agent (A2A) Protocol.

    The A2A Protocol, announced by Google in April 2025, is an open standard that enables AI agents to communicate with each other without human intervention. Think of it as a universal language that allows different AI systems to understand each other’s capabilities and work together seamlessly. This represents a fundamental shift in how we’ll interact with the web, similar to how websites are evolving in our AI-dominated era.

    In simple terms, A2A creates a standardized way for:

    • AI agents to discover what other agents can do
    • Agents to request assistance from other agents
    • Agents to share information in a structured format
    • Multiple specialized agents to collaborate on complex tasks

    Why Does A2A Matter for Websites?

    The way people find and interact with websites is changing dramatically. Instead of typing queries into search engines or browsing websites directly, many people are now asking AI assistants to find information for them. This is part of a larger trend where AI is reshaping traditional website traffic patterns.

    Without A2A, these AI assistants have to:

    1. Scrape website content (which can be unreliable)
    2. Make educated guesses about what a site offers
    3. Try to understand how to use a website’s features without clear instructions

    With A2A, your website can:

    1. Declare exactly what it can do using “agent cards”
    2. Provide structured data that AI assistants can easily understand
    3. Offer specialized services through its own AI agents
    4. Be discovered by other AI agents looking for specific capabilities

    This means more visibility, better user experiences, and new ways for customers to interact with your business. If you’re wondering about how to ensure your website shows up in AI systems like ChatGPT, A2A will be a critical part of that strategy going forward.

    How SmartSites Implements A2A Technology

    SuperWebPros’ SmartSites platform has been designed with A2A compatibility in mind. Here’s how it works:

    Agent Cards

    Your SmartSite includes an “agent card” – a digital ID that tells other AI systems what your site’s AI can do. This card includes:

    • Your agent’s name and description
    • The topics it’s knowledgeable about
    • The specific skills (or tools) it has access to
    • How other agents can communicate with it

    This represents a significant evolution from traditional website chatbots to truly intelligent agents that can communicate with other AI systems.

    Skills Implementation

    Within your SmartSite settings, you can define specific “skills” for your agent. These skills are essentially tools your AI can use to help visitors. Examples might include:

    • Answering product questions
    • Scheduling appointments
    • Providing pricing information
    • Helping with troubleshooting

    Each skill is properly formatted according to the A2A protocol, making it discoverable by other AI systems.

    Integration with Other Systems

    SmartSites is also compatible with related protocols like MCP (Model Context Protocol), creating a comprehensive ecosystem where your site’s AI can interact with various external systems.

    The Benefits for Your Business

    Having A2A-compatible technology in your SmartSite provides several key advantages:

    1. Improved Discoverability

    As AI assistants increasingly mediate internet searches, A2A ensures your site can be properly discovered and understood by these systems. Your site’s capabilities are clearly communicated to other AI agents, potentially improving your visibility in this new AI-driven landscape.

    2. Enhanced Customer Service

    Your site’s AI can handle specialized requests, and when it needs additional information or capabilities, it can seamlessly connect with other services through the A2A protocol. This creates a more comprehensive support system for your customers.

    3. Future-Proofing Your Web Presence

    As the internet evolves toward more AI-mediated interactions, having A2A compatibility positions your business to take advantage of emerging technologies and user behaviors. This is a critical component of transforming your business for the AI era.

    4. New Business Opportunities

    The A2A protocol opens up possibilities for new types of automated services and interactions. Your SmartSite could potentially offer specialized capabilities that other agents might utilize (and potentially pay for). This represents one of the critical stages of business AI transformation as you move from basic implementation to full integration with the AI ecosystem.

    What This Means for You

    As a SmartSite user, you don’t need to understand all the technical details of A2A to benefit from it. The important thing to know is that your website is ready for the next evolution of the internet, where AI agents will increasingly mediate how people find and interact with online services.

    Your SmartSite’s A2A capabilities work automatically in the background, helping ensure your business remains visible and accessible as search and discovery methods continue to evolve.

    Looking Ahead

    The A2A protocol represents a significant shift in how the internet works. Rather than humans directly browsing websites, we’re moving toward a world where AI agents handle many of our online interactions.

    With SmartSites, your business is prepared for this transformation. As A2A adoption grows and more AI systems begin communicating with each other, your site will be ready to participate in this new ecosystem of interconnected AI agents.

    If you have questions about how A2A works with your specific SmartSite implementation, please get in touch or ask a follow up below!

    Jesse Flores

    Jesse is the Chief Web Pro at SuperWebPros. When he's not trying to see the future, you can find him in quiet contemplation, spending time with his family, or finding an excuse to be outside (in good weather).

    Also from the Pros...

    HIT Template - Square (17)

    Tip #6: Make Your Content Skimmable

    Your business website isn't a novel. Don't bog your visitors down with unwieldy chunks of text: give them compelling content that they can understand by skimming...
    Read More
    HIT Template - Square (18)

    Tip #5: Put Search On Your Site

    You're not a mind reader. It's impossible to know what precisely brought a visitor to your website, or to know what they came there for. That's why it's important to...
    Read More
    HIT Template - Square (19)

    Tip #4: Use Lead Magnets

    Lead Magnets are all about a simple principle: you have to give to get. If you want your customer to provide something of value to you, make sure you're able...
    Read More
    Square graphic of how a website works

    How A Website Works: A Simple Guide

    Don't speak tech? It's ok. But, you should still know how a website works so you don't get hoodwinked on your next project.
    Read More
    HIT Template - Square (20)

    Tip #3: Keep Mobile First In Mind

    Is your website mobile-friendly? As more and more of us take to searching on our phones, it's time to discuss discuss the importance of a mobile-friendly business website...
    Read More

    10 Signs Your Website Needs Updating, Stat!

    We're on a mission to rid the web of janky websites. Here's how to know if your site's janky.
    Read More
    HIT Template - Square (21)

    Tip #2: Use Good Password Practices

    Are your password practices leaving your small business website open to attack? In this week’s Website Home Improvement Tip, we share some advice on making strong passwords to protect you...
    Read More
    Mobile device with text: 12 top productivity apps for small businesses

    14 of the Top Productivity Apps for Small Business Success

    Leapfrog your competition with these 11 top productivity apps designed to help your business sell, market, communicate, and operate better...
    Read More