Inspect Network Activity - Chrome DevTools 101
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- Опубликовано: 31 июл 2024
- Learn how to use the most popular Chrome DevTools features related to inspecting network activity, including:
1:05 - View a chronological log of all network activity
3:26 - Show or hide columns in the Network Log
3:46 - Throttle network activity to simulate mobile experiences
4:46 - Inspect individual network resources in depth
5:23 - Search HTTP headers and response bodies
6:05 - Filter out resources you don't care about
7:51 - Block network requests
Links mentioned in the video:
Optimize Site Speed tutorial: bit.ly/2LemRYa
Demo link: bit.ly/2OOSya5
Network panel filtering keywords: bit.ly/2YR85un
Network panel reference: bit.ly/2IbIB5b
Subscribe to the Chrome Developers channel for more episodes → bit.ly/ChromeDevs1 
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The single Chrome Dev Tool feature that I am most interested in learning about. Good job.
I spend a significant portion of my day watching that tab + logtails. It's really well designed and powerfull. Well done!
Very helpful tutorial....Had been waiting for something like this.
This was such a great informative video. Sad that I just watched it now and not 5 years ago. Thanks Google for uploading this.
This was so nice. Explanation is awesome, exactly what I wanted. Thank you
Special Thanks to Google Chrome Developers Team for this awesome playlist for learners
helpful playlist
Great 101. Wish this video existed when I was getting into DevTools years ago
Request blocking tip was 🔥
Iuucu 000
Nice short tutorial. Thank you!
Love that request blocking info! Thanks!
Great video, thanks!
It seems that devtools are missing only built-in webpack and git cli, and we almost ready to code right in it, without ide😉
It was really helpful! Thanks!
Thanks for the video, very helpful for beginners!
This was such a useful video for me. Thanks Sir.
Great overview! Great refresher! Thank you!
Very helpful, thank you!✨🙏
Very helpful, thank you ;)
Thank you so much. It's very informative.
Cool and Informative as always, Kayce!
I didn't know about the command + click on the tabs.
Well done!
Excellent Video, thanks
Thanks a lot for this great 101. I have a question, I hope you can help me. Do you know how to track what/where a js request was triggered? Specially if the trigger is a method inside the code of the website.
I wonder who downvoted such a knowledgeable video. lol
Very helpful video, thanks
Helpful introduction!
Clear explanation, thank you
quite useful& thanks!
Great explanation, I've been using Network tools for a while but I learned a few new tricks.
How can i set default filters for some sites.
Exmple - I have to write "-method:OPTIONS" every time, when I choose "Network" tab. May i set somewhere it by default?
Great resources to learn.
thanks, this was great
thanks for amazing overview .
Thank you for this informative tutorial Kayce, would you have any recommendation for me, my network tab does not work after refreshing the page. I tried it with the demo exercise in the description and still it does not pull up any page. Thanks for your help!
ชอบมากเยี่ยมมาก
Great video.
Still working as of today, ty!
Thanks, Is it possible to view the ultimate request that gets made; e.g.: if an api needed to call a secondary path to satisfy my request.
Hi , Thanks for the video. I have a web API request from my website that goes to the controller in server-side and runs another web-request to get data from another site . is it possible to get information about this second web-request in in this Network view ? at the moment I only see the first api-request from my browser to the server-side and not any sub-sequent requests ! Thanks in advanced.
Hi Kayce Basques,
Thank you for the video. its very informative.
Could you please answer my query which confuses me a bit on load time.
my queries are - is DOMContentLoaded time and First meanful time is same? and Load time in the end of network tab(in red) is equal to total page load time?
kindly answer .it would be really helpful.
My log is empty and it shows 0/5 requests in the bottom left corner. How do I get it to show?
Edit: The WS filter was selected. 7:10
Ty, very important
this very good session
a great video
Thank you for sharing the knowledge. But in real work how and when to use these buttons and statistics is what I really wanna know.
I never noticed that mag glass search feature, thanks!
I don't /see/ the mag glass search feature, help!
Hey, Google Chrome Developers,
Quick questions. If I purchased a software that provide all the HTML CSS code in templates for the soul purpose of creating a website, is this information valuable to me as an IT professional? And secondly, would I know what this video talks about on a more technical basis if I were A+, N+, and S+ certified?
Thanx for any response and regards,
Josiah Dearnley Costa Rica
Is there a way to inspect network activity explicitly via some direct API calls
The demo link doesn't appear to be working anymore.
In chrome build 105.0.5195.125 the Cache-Control is not showing in the filter search box, has it been relocated?
In selenium Java, how do you get the response body from the network tab from Fetch/XHR?
Hi there , I have a question and I need an answer. How can I make the browser appear Index without subfolders like Facebook I searched a lot and did not find a result.
Stupid question but why is getstarted.html and main.css compressed size larger then original (uncompressed)? 2:21
There is a slight glitch in the video, the upper one is compressed version while the lower one is uncompressed.
Sir Im sitting for an exam in September.The exam will be conduct through on line.They need to check my system stats.But while checking it one criertira called Bandwidth check is not working shows please enable bandwidth on your system.How to fix it.
Nice!
So handy!
Hey there. Is any one can answer this? Does devtool can read a RPT of the game? Online game? Can we we use the devtool? To check the RPT of the game? Where what to click?
Thanks for your answer:
Hi, Great Video on DevTools.
Any idea why we dont find WebHD.mp file in Media on Inspect Network , in DevTools while downloading educational videos.???
Thank you.
Thanks bro
Good breakdown, although features are not new at all. Well, better late than never ;)
Question
Will the Service Worker request be logged? And do CORS cases have a special treatment?
Thanks
do u have a video for profiling an API ?
what a legend
A strange thing i've discovered, in one chat forum, there is zero net activities in dev console, but clearly on the page, new comments number appearing on the page, when you click it - the new comments pop up, whith corresponging web requests, but where from came the numbers (of new comments), without any requests.
WTF ???
Do you know of a way to find a specific ad video ( as in an advertisement video ), instead of searching through chrome's history for a regular video?
Is it something that's even possible?
THANKS A LOT MAN.
Oh so verry nice
1. How to get the response body data from Fetch/XHR in the Network tab in Java? I searched everywhere. I don't see the Java solution to get the XHR & Fetch resource type.
2. My web loads XHR resource type very long. So I want to be able to WAIT on the XHR to finish loading. Is it possible to wait on XHR or wait on Fetch? In java solution?
How can we have access to the history of activities in network? Is there a place to recover daily activities on web page?
Is there a way for me to log a specific network activity so I can see a specific network activity from people using my website?
For beginners, where do you suggest we start?
Thanks, informative video. Search isn't working for me in the expected way though. Searching for cache-control only brings up the cache-control comment in the getstarted.html body. For some reason it isn't showing the cache-control in the headers of the png files and other resources. Still a good video, thanks
Same here! You can search for control and then you'll find files with cache-control in the header
Oke bos thank you
why I cannot see Disable cache and Media filter? I using Safari Version 15.0
Is it possible to turn off (Recording Network Log) permanently? It always starts automatically.
how can i see session variables information ?
Looks like the link for the demo site is broken.
great
never knew that long press at reload clear cache
I did not know "Ctrl+Shift+P" pressing, long press to reload button, domain panel, arrange chronologically by clicking waterfall panel before till now.
To access "Show overview" and "Use large request rows" click on the gear icon (upper right corner)
Can anyone please tell me how exactly we can identify Parallel Calls by using Chrome Dev Tools ??
2:18 Isn't this the other way around? Top = compressed, bottom = uncompressed?
Second that!
Yeah yeah, I too thought the same.
You are correct. Reference: developers.google.com/web/tools/chrome-devtools/network/reference#uncompressed I also noticed at times the top number is smaller than the bottom, and sometimes the bottom is smaller than the top. The reason is that the top is really what was 'transferred over the network' which could be smaller if the resource was cached.
It's command + option + j on Mac
When im on my computer I always go to the shed, working on my responsive media queries.
Kayce Basques legend
There's no view button in my chrome, how do i hide the overview?
same here, no idea
edit: It's now in the second gear, the one below the first gear button.
@@TheHorozAbi ok thanks, appreciate it ;)
I dont have a network tab help
0:48 should be command + option + J (mac)
What's wrong with the sound?
It's embarrassing how I used the dev tools for years and didn't know some of the shown features 😅
better than 40 mins of useless university lecture
Google guy using apple 1 in million
i like ne
men big steamyu men
Thank you, Ben Affleck.
Guys, whos dumb idea was it to place the network tab in a new layer from the sources tab? ...i can't even move them onto the same layer. This is getting me soo angry and its limiting the amount of working space i have while debuging.
I know why you hid away the waterfall graph at the beginning. Because it is totally useless. No zoom, auto-rescales beyond control. I filed a ticket in monorail, but I doubt it will get any interest from devs.
Is there any reason why ur using a Macbook? I mean it‘d make more sense if you‘d use a chromebook in the video, wouldn‘t it?
The audio quality is terrible! It's really hard to understand what you are saying, it sounds like you are under water almost.
Not at all terrible.