Sebastian Benz
@sebabenz.bsky.social
Chrome DevTools & Extensions Developer Relations
Reposted by Sebastian Benz
If you’re using server-side AI models, you usually need an API key to call them. A couple of weeks back I made a video looking at how to handle that in a Chrome extension: youtu.be/pl4pz4nWa3w
How can you keep API keys safe in a Chrome Extension?
YouTube video by Chrome for Developers
youtu.be
December 15, 2025 at 5:40 PM
If you’re using server-side AI models, you usually need an API key to call them. A couple of weeks back I made a video looking at how to handle that in a Chrome extension: youtu.be/pl4pz4nWa3w
We just shipped an update to the Chrome DevTools MCP server (and Chrome) that I'm really excited about: the ability to connect directly to a running Chrome instance: developer.chrome.com/blog/chrome-...
Let your Coding Agent debug your browser session with Chrome DevTools MCP | Blog | Chrome for Developers
We shipped a new feature to the Chrome DevTools MCP server that is going to make it a lot easier for your coding agent to debug your current browser sessions.
developer.chrome.com
December 11, 2025 at 2:53 PM
We just shipped an update to the Chrome DevTools MCP server (and Chrome) that I'm really excited about: the ability to connect directly to a running Chrome instance: developer.chrome.com/blog/chrome-...
Reposted by Sebastian Benz
Follow along with @nickyt.online and @kilianvalkhof.com as they set up the Chrome Dev Tools MCP to work with Polypane!
Looking forward to chatting with @kilianvalkhof.com from @polypane.app next week. We're going to dig into leveraging the Chrome Dev Tools MCP server with Polypane. Come hang!
www.youtube.com/watch?v=ACK8...
www.youtube.com/watch?v=ACK8...
Using Chrome DevTools MCP with Polypane
YouTube video by Nick Taylor
www.youtube.com
December 9, 2025 at 3:01 PM
Follow along with @nickyt.online and @kilianvalkhof.com as they set up the Chrome Dev Tools MCP to work with Polypane!
Reposted by Sebastian Benz
🎉 And we're live! 🎉
We just launched CSS Wrapped 2025: our annual recap of all things CSS & web UI that landed in Chrome over the course of the year. 🚀
This is a big one! We highlighted 22 new features to help you build better on the web.
Check out: chrome.dev/css-wrapped-2025
We just launched CSS Wrapped 2025: our annual recap of all things CSS & web UI that landed in Chrome over the course of the year. 🚀
This is a big one! We highlighted 22 new features to help you build better on the web.
Check out: chrome.dev/css-wrapped-2025
CSS Wrapped 2025
Sculpt dynamic interfaces, stretch your imagination, and play with these 22 powerful new CSS features that landed in Chrome this year.
chrome.dev
December 8, 2025 at 5:08 PM
🎉 And we're live! 🎉
We just launched CSS Wrapped 2025: our annual recap of all things CSS & web UI that landed in Chrome over the course of the year. 🚀
This is a big one! We highlighted 22 new features to help you build better on the web.
Check out: chrome.dev/css-wrapped-2025
We just launched CSS Wrapped 2025: our annual recap of all things CSS & web UI that landed in Chrome over the course of the year. 🚀
This is a big one! We highlighted 22 new features to help you build better on the web.
Check out: chrome.dev/css-wrapped-2025
Reposted by Sebastian Benz
We asked for your Chrome Extension questions, and you wanted to know about SEO.
From "games" being a top search query to the importance of ratings, we're diving into what drives discovery in the Chrome Web Store → goo.gle/48hjSH5
From "games" being a top search query to the importance of ratings, we're diving into what drives discovery in the Chrome Web Store → goo.gle/48hjSH5
December 1, 2025 at 11:00 PM
We asked for your Chrome Extension questions, and you wanted to know about SEO.
From "games" being a top search query to the importance of ratings, we're diving into what drives discovery in the Chrome Web Store → goo.gle/48hjSH5
From "games" being a top search query to the importance of ratings, we're diving into what drives discovery in the Chrome Web Store → goo.gle/48hjSH5
Reposted by Sebastian Benz
Lighthouse 13 has been released and includes the final move to Insights performance audits as announced previously.
developer.chrome.com/blog/lightho...
developer.chrome.com/blog/lightho...
What's new in Lighthouse 13 | Blog | Chrome for Developers
Lighthouse 13 is here with the move to Insights audits
developer.chrome.com
October 10, 2025 at 11:32 AM
Lighthouse 13 has been released and includes the final move to Insights performance audits as announced previously.
developer.chrome.com/blog/lightho...
developer.chrome.com/blog/lightho...
Reposted by Sebastian Benz
Stop guessing and start debugging responsive styles automatically with Chrome DevTools MCP → goo.gle/3IPT2No
Learn how a coding agent can find a visual bug on a specific device size, analyze the source code, update the CSS, and verify the fix with a live browser screenshot.
Learn how a coding agent can find a visual bug on a specific device size, analyze the source code, update the CSS, and verify the fix with a live browser screenshot.
October 9, 2025 at 10:00 PM
Stop guessing and start debugging responsive styles automatically with Chrome DevTools MCP → goo.gle/3IPT2No
Learn how a coding agent can find a visual bug on a specific device size, analyze the source code, update the CSS, and verify the fix with a live browser screenshot.
Learn how a coding agent can find a visual bug on a specific device size, analyze the source code, update the CSS, and verify the fix with a live browser screenshot.
Reposted by Sebastian Benz
Your friend has a great idea for a Chrome Extension. (We know, we heard it 😉)
Now it's your turn. What will you build with our multimodal AI APIs? The Google Chrome Built-in AI Challenge 2025 is on.
Submit your idea → goo.gle/ChromeAIChallenge2025
Now it's your turn. What will you build with our multimodal AI APIs? The Google Chrome Built-in AI Challenge 2025 is on.
Submit your idea → goo.gle/ChromeAIChallenge2025
September 30, 2025 at 8:00 PM
Your friend has a great idea for a Chrome Extension. (We know, we heard it 😉)
Now it's your turn. What will you build with our multimodal AI APIs? The Google Chrome Built-in AI Challenge 2025 is on.
Submit your idea → goo.gle/ChromeAIChallenge2025
Now it's your turn. What will you build with our multimodal AI APIs? The Google Chrome Built-in AI Challenge 2025 is on.
Submit your idea → goo.gle/ChromeAIChallenge2025
Reposted by Sebastian Benz
Google’s @jackf.io is speaking at the London MCP Dev Summit 🎤
Topic: Lessons learned building the Chrome DevTools MCP Server
👉 Don’t miss it: buff.ly/MwmiH5E (early bird pricing ends in 2 days!)
#MCPservers #DevToolsAI
Topic: Lessons learned building the Chrome DevTools MCP Server
👉 Don’t miss it: buff.ly/MwmiH5E (early bird pricing ends in 2 days!)
#MCPservers #DevToolsAI
August 29, 2025 at 1:50 PM
Google’s @jackf.io is speaking at the London MCP Dev Summit 🎤
Topic: Lessons learned building the Chrome DevTools MCP Server
👉 Don’t miss it: buff.ly/MwmiH5E (early bird pricing ends in 2 days!)
#MCPservers #DevToolsAI
Topic: Lessons learned building the Chrome DevTools MCP Server
👉 Don’t miss it: buff.ly/MwmiH5E (early bird pricing ends in 2 days!)
#MCPservers #DevToolsAI
Reposted by Sebastian Benz
Announcing our public preview of Chrome DevTools MCP! Experience the full power of DevTools in your AI coding agent→ goo.gle/4pDE6Tk
With Chrome DevTools MCP, your AI agent can run performance traces, inspect the DOM, & perform real-time debugging of your web pages.
With Chrome DevTools MCP, your AI agent can run performance traces, inspect the DOM, & perform real-time debugging of your web pages.
September 23, 2025 at 3:00 PM
Announcing our public preview of Chrome DevTools MCP! Experience the full power of DevTools in your AI coding agent→ goo.gle/4pDE6Tk
With Chrome DevTools MCP, your AI agent can run performance traces, inspect the DOM, & perform real-time debugging of your web pages.
With Chrome DevTools MCP, your AI agent can run performance traces, inspect the DOM, & perform real-time debugging of your web pages.
Reposted by Sebastian Benz
Got questions about building Chrome Extensions? We’re recording some new videos for the @developer.chrome.com channel in October, and I’d love suggestions for topics we should cover: www.reddit.com/r/chrome_ext...
From the chrome_extensions community on Reddit: Ask the Google Chrome team about building extensions!
Explore this post and more from the chrome_extensions community
www.reddit.com
September 17, 2025 at 11:12 AM
Got questions about building Chrome Extensions? We’re recording some new videos for the @developer.chrome.com channel in October, and I’d love suggestions for topics we should cover: www.reddit.com/r/chrome_ext...
Reposted by Sebastian Benz
On the Chrome team, we've a cool new origin trial for you to try in your apps: the Proofreader API: developer.chrome.com/docs/ai/proo....
❌ tyop → ✅ typo
```js
await (await Proofreader.create({
expectedInputLanguages: ['en'],
})).proofread(
'Let us knwo how it foes',
);
```
#BuiltInAI #WebAI
❌ tyop → ✅ typo
```js
await (await Proofreader.create({
expectedInputLanguages: ['en'],
})).proofread(
'Let us knwo how it foes',
);
```
#BuiltInAI #WebAI
The Proofreader API | AI on Chrome | Chrome for Developers
Improve your content readability and grammar with the Proofreader API.
developer.chrome.com
September 16, 2025 at 7:21 AM
On the Chrome team, we've a cool new origin trial for you to try in your apps: the Proofreader API: developer.chrome.com/docs/ai/proo....
❌ tyop → ✅ typo
```js
await (await Proofreader.create({
expectedInputLanguages: ['en'],
})).proofread(
'Let us knwo how it foes',
);
```
#BuiltInAI #WebAI
❌ tyop → ✅ typo
```js
await (await Proofreader.create({
expectedInputLanguages: ['en'],
})).proofread(
'Let us knwo how it foes',
);
```
#BuiltInAI #WebAI
Reposted by Sebastian Benz
The wait is over! The Google Chrome Built-in AI Challenge 2025 is here.
Today's the day to start building with our built-in AI APIs. Create a web app or Chrome Extension to compete for our $70K prize pool.
Let the coding commence → goo.gle/ChromeAIChallenge2025
Today's the day to start building with our built-in AI APIs. Create a web app or Chrome Extension to compete for our $70K prize pool.
Let the coding commence → goo.gle/ChromeAIChallenge2025
September 9, 2025 at 4:00 PM
The wait is over! The Google Chrome Built-in AI Challenge 2025 is here.
Today's the day to start building with our built-in AI APIs. Create a web app or Chrome Extension to compete for our $70K prize pool.
Let the coding commence → goo.gle/ChromeAIChallenge2025
Today's the day to start building with our built-in AI APIs. Create a web app or Chrome Extension to compete for our $70K prize pool.
Let the coding commence → goo.gle/ChromeAIChallenge2025
Reposted by Sebastian Benz
New in Chrome DevTools: Instantly check CSS feature compatibility with Baseline!
Chrome DevTools now displays the Baseline status for CSS properties right in the Elements panel - Baseline gives you clear info about which web features are ready to use today.
Chrome DevTools now displays the Baseline status for CSS properties right in the Elements panel - Baseline gives you clear info about which web features are ready to use today.
August 22, 2025 at 6:04 PM
New in Chrome DevTools: Instantly check CSS feature compatibility with Baseline!
Chrome DevTools now displays the Baseline status for CSS properties right in the Elements panel - Baseline gives you clear info about which web features are ready to use today.
Chrome DevTools now displays the Baseline status for CSS properties right in the Elements panel - Baseline gives you clear info about which web features are ready to use today.
Reposted by Sebastian Benz
I know some people in the web community are concerned that Baseline will discourage devs from using new features—or anything not "Widely Available".
Personally, I'm not worried about that at all. If anything, I think Baseline will speed up new feature adoption!
Here's why 🧵
Personally, I'm not worried about that at all. If anything, I think Baseline will speed up new feature adoption!
Here's why 🧵
August 13, 2025 at 4:08 AM
I know some people in the web community are concerned that Baseline will discourage devs from using new features—or anything not "Widely Available".
Personally, I'm not worried about that at all. If anything, I think Baseline will speed up new feature adoption!
Here's why 🧵
Personally, I'm not worried about that at all. If anything, I think Baseline will speed up new feature adoption!
Here's why 🧵
Reposted by Sebastian Benz
My #GoogleIO video “Web animations today and tomorrow” has been published.
Check out this session to learn how to guide, inform, and delight users by adding subtle and supportive animations to your web UIs.
www.youtube.com/watch?v=UcXW...
Check out this session to learn how to guide, inform, and delight users by adding subtle and supportive animations to your web UIs.
www.youtube.com/watch?v=UcXW...
Web animations today and tomorrow
YouTube video by Chrome for Developers
www.youtube.com
May 22, 2025 at 4:18 AM
My #GoogleIO video “Web animations today and tomorrow” has been published.
Check out this session to learn how to guide, inform, and delight users by adding subtle and supportive animations to your web UIs.
www.youtube.com/watch?v=UcXW...
Check out this session to learn how to guide, inform, and delight users by adding subtle and supportive animations to your web UIs.
www.youtube.com/watch?v=UcXW...
Reposted by Sebastian Benz
My #GoogleIO talk "Practical built-in Al with Gemini Nano in Chrome" is live: youtu.be/CjpZCWYrSxM?.... Learn about the following new APIs and see partner demos:
🔮 Prompt API
…with image input 🖼️
…with audio input 👂
…with textual input 🔤
🖊️ Writing Assistance APIs
🗣️ Translation API
✔️ Proofreading API
🔮 Prompt API
…with image input 🖼️
…with audio input 👂
…with textual input 🔤
🖊️ Writing Assistance APIs
🗣️ Translation API
✔️ Proofreading API
Practical built-in AI with Gemini Nano in Chrome
YouTube video by Chrome for Developers
youtu.be
May 22, 2025 at 4:36 AM
My #GoogleIO talk "Practical built-in Al with Gemini Nano in Chrome" is live: youtu.be/CjpZCWYrSxM?.... Learn about the following new APIs and see partner demos:
🔮 Prompt API
…with image input 🖼️
…with audio input 👂
…with textual input 🔤
🖊️ Writing Assistance APIs
🗣️ Translation API
✔️ Proofreading API
🔮 Prompt API
…with image input 🖼️
…with audio input 👂
…with textual input 🔤
🖊️ Writing Assistance APIs
🗣️ Translation API
✔️ Proofreading API
Reposted by Sebastian Benz
Hire him while you can
I've done some retrospection and written up a history of my WordPress contributions. Next week marks a decade since I became a core committer. Now that I've been laid off from Google, I'm looking to find a sustainable way to continue contributing:
A Decade as a Core Committer: My WordPress Contribution History - Weston Ruter
Overview of my contributions to the WordPress project with the goal of finding new sponsorships to continue contributing.
weston.ruter.net
May 15, 2025 at 1:15 PM
Hire him while you can
Reposted by Sebastian Benz
Live Metrics screen feedback request!
It's been about 6 months since we launched the Live Metrics screen in Chrome DevTools so a good time to step back and ask for any feedback on it.
Do you use it? What's good about it? What could be improved about it?
It's been about 6 months since we launched the Live Metrics screen in Chrome DevTools so a good time to step back and ask for any feedback on it.
Do you use it? What's good about it? What could be improved about it?
May 6, 2025 at 8:29 PM
Live Metrics screen feedback request!
It's been about 6 months since we launched the Live Metrics screen in Chrome DevTools so a good time to step back and ask for any feedback on it.
Do you use it? What's good about it? What could be improved about it?
It's been about 6 months since we launched the Live Metrics screen in Chrome DevTools so a good time to step back and ask for any feedback on it.
Do you use it? What's good about it? What could be improved about it?
Reposted by Sebastian Benz
New video! In this one I show you how to build a whack-a-mole extension, featuring a cameo from @samdutton.bsky.social among others!
www.youtube.com/watch?v=lUHN...
www.youtube.com/watch?v=lUHN...
April 2, 2025 at 8:47 PM
New video! In this one I show you how to build a whack-a-mole extension, featuring a cameo from @samdutton.bsky.social among others!
www.youtube.com/watch?v=lUHN...
www.youtube.com/watch?v=lUHN...
Reposted by Sebastian Benz
My team is hiring!
Come join us as
a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
Come join us as
a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
Senior Developer Advocate, Chrome — Google Careers
www.google.com
March 17, 2025 at 10:58 PM
My team is hiring!
Come join us as
a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
Come join us as
a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
Reposted by Sebastian Benz
Great news. We have a new position on the team for a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
The position is in Waterloo - Canada
www.google.com/about/career...
Senior Developer Advocate, Chrome — Google Careers
www.google.com
March 17, 2025 at 7:12 PM
Great news. We have a new position on the team for a Developer Advocate at the intersection of Web, Chrome, ChromeOS and Android.
The position is in Waterloo - Canada
www.google.com/about/career...
The position is in Waterloo - Canada
www.google.com/about/career...
Reposted by Sebastian Benz
Yo Dawg, I heard you like to use AI to generate Summaries, so @alexandrascript.com and I have put together a blog post on summarizing your summaries to overcome context window limitations of the Summarizer API and get awesome summaries: developer.chrome.com/docs/ai/scal... #webai #builtinai
March 12, 2025 at 5:19 PM
Yo Dawg, I heard you like to use AI to generate Summaries, so @alexandrascript.com and I have put together a blog post on summarizing your summaries to overcome context window limitations of the Summarizer API and get awesome summaries: developer.chrome.com/docs/ai/scal... #webai #builtinai
Reposted by Sebastian Benz
🎉 Chrome 134 is here! What's new in #ChromeDevTools
🔐 New: Privacy and security panel
📈 Calibrated CPU throttling for #webperf analysis
🥇 Dim 3rd-party scripts in performance traces
....and more! Update Chrome and try them out! developer.chrome.com/blog/new-in-...
🔐 New: Privacy and security panel
📈 Calibrated CPU throttling for #webperf analysis
🥇 Dim 3rd-party scripts in performance traces
....and more! Update Chrome and try them out! developer.chrome.com/blog/new-in-...
March 4, 2025 at 9:15 AM
🎉 Chrome 134 is here! What's new in #ChromeDevTools
🔐 New: Privacy and security panel
📈 Calibrated CPU throttling for #webperf analysis
🥇 Dim 3rd-party scripts in performance traces
....and more! Update Chrome and try them out! developer.chrome.com/blog/new-in-...
🔐 New: Privacy and security panel
📈 Calibrated CPU throttling for #webperf analysis
🥇 Dim 3rd-party scripts in performance traces
....and more! Update Chrome and try them out! developer.chrome.com/blog/new-in-...
Reposted by Sebastian Benz
New video! Let’s explore advanced Network panel techniques, including how to find performance bottlenecks, debug popups’ network activities, configure network conditions, and more. youtu.be/kuliHlLk9wQ
#DevToolsTips #ChromeDevTools
#DevToolsTips #ChromeDevTools
Advanced Network Analysis with Chrome DevTools #DevToolsTips
YouTube video by Chrome for Developers
youtu.be
February 28, 2025 at 7:25 AM
New video! Let’s explore advanced Network panel techniques, including how to find performance bottlenecks, debug popups’ network activities, configure network conditions, and more. youtu.be/kuliHlLk9wQ
#DevToolsTips #ChromeDevTools
#DevToolsTips #ChromeDevTools