Initial connection slow chrome. Sometimes, HTTPS connection is too slow only Chrome.
Initial connection slow chrome. If I immediately reload the page I no longer see any time spent on the initial connection and SSL handshake. Mar 24, 2024 · Perhaps try running nslookup multiple times after booting Windows 11 and see if takes ~20 seconds on the first attempt to resolve a host name and then is faster on subsequent attempts. Dec 7, 2021 · Learn how to force a network timeout in the presence of a slow network connection, and how to get the timing right. The issue happens only on some request to the same site (sometimes it loads instantly). The browser is establishing a connection, including TCP handshakes/retries and negotiating an SSL. Sep 25, 2013 · I am using Win7, connecting to the web using Time Warner RoadRunner. My problem is that the DNS resolution or initial connection is very slow. Browsers are creating Persistent Connections for HTTP requests and keep it open for some time. 04 with Initial connection 是建立 TCP连接 的意思,笔者不禁思索,为啥好好的请求,TCP连接连不上了啊,也是一脸懵。 于是,笔者去百度如何解决 Initial connection 过慢失败问题,发现网上的帖子众说纷纭,如:可能是一个域名下挂着两个 ip 、如:可能是域名解析 DNS问题 Nov 2, 2017 · The "Initial Connection" is taking 21s! This is repeatable, every time it's the 'first time in a while'. try to take a look at overall server load Google Chrome Hanging on SSL/TLS Connections We have recently noticed an unusual issue impacting several clients where Google Chrome is seemingly hanging on SSL handshake when connecting to new websites. The connection starts equally fast and to compensate for this the TTFB throttling is increased. It was a proxy timeout issue. Refreshing the page immediately and performing the same OPTIONS/POST gets the fast response. Once the initial connection is established, it is very fast. At first this didn't work and chrome would load forever before failing, which lead me Nov 13, 2018 · It really depends on your setup. Sometimes, HTTPS connection is too slow only Chrome. Nov 17, 2024 · I think this is because Chrome re-establishes the connection (TCP+TLS) for each request: Connection keep-alive is supposed to work, and make a huge difference, as seen in Firefox, where each request takes only ~60 ms. The initial connection refers to the time taken to perform the initial TCP handshake and negotiating SSL (where applicable). If you see them, but they're shorter than for your server, they have a CDN or other "close" servers which makes the round-trip-time a lot shorter, which in turn makes TCP and TLS handshakes/negotiation a lot shorter Nov 16, 2023 · I noticed that Chrome is significantly slower than Firefox or my mobile browser. Or, both of these problems can exist at once. This happens with the same frequency in MS Edge and Chrome - doesn't happen at all in Firefox. The website runs on Debian 8. However, after loading all subsequent pages and new tabs are super fast as usual. They say it's OCSP related Feb 17, 2025 · My Chrome browser seems to be slow to resolve localhost:3000 I am in a Windows 10 machine and I SSH into my development laptop via VS Code Remote SSH So far here is what I have been able to narrow Step 3: Update and restart Chrome Make sure that you’re on the latest version of Chrome. net MVC4 project was really slow after hitting F5 to refresh js changes on localhost. Sep 26, 2022 · This large increase in latency is applied to all requests on the page, not just the initial request that consists of multiple network round trips. You will see that your Apache web server have serious security problem CVE-2016-2107, which can be fixed by updating Apache and OpenSSL software on the web server. Mar 26, 2020 · I'd recommend you to start with testing of your web site on ssllabs. Eventually I realised I was running IIS Express 8. Below is a step-by-step troubleshooting guide to diagnose and improve SharePoint performance. org I saw that for every request there's a 3 second "Initial connection" delay, which I don't know why is happening. The server and your client may also support keep alive so maybe the connection isn't closed between requests. The only thing in Internet explorer which is slow? Feb 20, 2016 · For a couple of days, we often see an extremely long initial connection time (15s - 1. Feb 20, 2024 · It occurs on the first connection to the origin, then subsequent page refreshes do not get stalled. Dec 1, 2022 · This help content & informationGeneral Help Center experienceSearch Feb 9, 2024 · Initial connection耗时间隔性很长同接口同参数,Initial connection一次300ms左右,一次几乎没有。环境是本地,有大佬知道怎么排查吗? Mar 18, 2024 · Slow RemoteAPP, Mouse, and Menu Lags after Windows 10 Upgrade Users may experience performance issues with RemoteApps published on Windows Server 2019/2016/2012R2 RDS servers after the Windows 10 build upgrade. Because of the security problem the web site gets the grade F only. It use load balancer with 2 web server (apache) on Amazon E Dec 6, 2020 · Chrome dev tools reports “Stalled' and ”Initial connection" under mobile mode only Ask Question Asked 4 years, 10 months ago Modified 4 years, 10 months ago Hi, I have set up a second modem with no internet connection for the purpose of connecting my quest 2 headset to my PC for uninterrupted wireless VR. Troubleshooting Questions Does this happen for all sites in Local, or just one in Mar 19, 2011 · Chrome shows "sending request" and Firefox shows "looking up" during this period of apparent inactivity. . Dec 29, 2023 · I had the same behavior only on Google Chrome browser in Windows. How can I diagnose the issue? Using the Chrome dev tool network tab, I see that the issue is "initial connection" and not thing Oct 17, 2018 · Initial connection shown by Chrome is connectStart to connectEnd. 05, I've got several GB of free RAM, practical no I/O activity, and this delay can occur even with only one visitor on the forum. The thing I see in Chrome Web Inspector (aka Chrome DevTools) is that there is a long gap between "DNS lookup" and "Initial Connection". I really like it. Dec 24, 2016 · Here are a couple of screenshots of the chrome dev tools network timing tab from two isolated connections (this will only happen on the first load in a long while. I haven't setup Jun 5, 2015 · 站长 - @sisyphus60 - 年前搭了个人博客,用的是朋友的主机。同一个主机我的网站访问速度简直让人抓狂,最近变得更糟糕,chrome里查了网站访问情况,如下。我对网站优化一点不懂,谁帮忙分析下下面最糟糕选项[Initial co Jul 22, 2024 · If the network request stalled for Chrome, try distributing your assets across different subdomains or servers. You can use this view to investigate the causes of slow pa The Network view allows you to see and analyze the network requests that make up each individual page load within a single user's session. com) When I load a page the first time I see the time taken for the initial connection and SSL handshake. Here are more fixes! Feb 27, 2015 · I'm having it too, and it's exactly the same: my Node. Oddly, I was only able to observe this in Google Chrom Nov 13, 2009 · Firefox and Chrome are known to be slow on localhost when IP6 is enabled. Jul 6, 2015 · A high TTFB reveals one of two issues. Here's a screenshot: CPU Load is between 0. Sep 28, 2020 · Chrome Internet Blocked and other browsers initial connection very slow after installing VPN Anonymous Sep 28, 2020, 7:19 AM I opened up Chrome's developer tools and it looks like a lot of time is spent in TTFB (time to first byte) - usually about 1-1. You can use this view to investigate the causes of slow pa Dec 21, 2015 · We analyze HTTPS performance overhead by looking at how early termination, cache-control, HTTP/2 factor into the latency of the TLS handshake. If this is the case, can you remove, let's say, an image from your page and retry? Welcome to r/Chrome - an independent, community-run forum for everything to do with the Chrome browser! Oct 11, 2018 · Hello, I have an RD Gateway server (Server 2016) set up with an SSL cert issued by a public CA. I heard about this bug in the v88 version, and this Hi everyone. Thereafter, we get the second profile. Help Center Community Google Chrome ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview Enable Dark Mode This help content & information General Help Center experience Apr 28, 2016 · 18 My situation was similar, after struggling a while with extreme slow developer tools response I found out the problem was caused by a Chrome extension I had installed for knockoutJs. Hi everyone. I solved it by disabling the option for proxy auto-detection from the Windows settings. And after this slow request, subsequent loading of the same page becomes very fast. This link has a handy diagram of the SSL handshake, and this link explains the first few milliseconds of an HTTPS connection. Jun 6, 2016 · The new office is using a temporary cellular MPLS connection while we wait for the crews to get a hard line in. But one possible explanation (taking DNS into account) would be that your client doesn't have a cached entry for that server. Sep 14, 2017 · Using Internet Explorer we face no problems when visiting different websites, but Chrome is very, very slow when trying to access HTTPS websites, and its all HTTPS websites, but only in Chrome. This double connection was the problem - I noticed it after unplugging the LAN cable, the WIFI was isntant, I guess the PC didn't try to use my LAN first and after that WIFI, but yeah. We tested on fresh Chrome installs, even without any users logged into it or extensions installed. com Dec 28, 2023 · Having trouble with slow initial connection (SSL handshake) in Chrome? Learn how to quickly fix this issue and improve your browsing experience. The issue appears to cause the SSL to hang when the website is loading, usually taking 10-20 seconds before the "Initial Connection" completes. Create a very slow custom throttling profile, for example, 10 kbit/s. It turns out that Chrome takes 300 ms per request's "initial connection" and Firefox does not, for almost every request, consistently. If I wait 30s or so before refreshing, it gets stalled again. So for people experiencing these issues, as part of the initial troubleshooting, try disabling chrome extensions. Here's how. Observed in Firefox, Edge and Chrome so far with the following messages: WebSocket connection to '' failed: Hey all, Has anyone experienced an issue in relation to DNS taking 20 seconds to respond on initial connection? Looking at chrome I'm seeing a stalled message with 20 seconds of proxy negotiation - which only occurs when first connecting to the network. Chrome tells me, that the initial connection takes so long: Jan 10, 2023 · Updates Issue where the websocket connection is closed before it is succseefully opened. For the server, I'm using an Ubuntu 16. The first is a bad network connection between the client and server. The timeline from Chr May 9, 2018 · My questions: The connection in question does not have the "initial connection" in the timing information, which means that the connection might have been established before in a different tab. Learn how to update Google Chrome If Chrome is already up to date and has no updates available, manually restart Chrome. The second cause is, a slow server processing the request. It use load balancer with 2 web server (apache) on Amazon E I have trouble with some problem using HTTPS. I tested Edge and Chrome with all extensions disabled and reinstalled multiple times - it didn't fix the issue. Jan 7, 2025 · Reduce initial server response time is one of Lighthouse's performance audits, which checks if the browser receives the first byte of the root file within a reasonable time. I assume this is because Chrome has held open the TCP connection from the previous requests and is re-using it. See full list on appuals. js application serves Ajax requests and no matter which /url I request it's either 30ms or 300ms and it switches back and forth: odd requests are long, even requests are short. Assume it is a stall, you TTFB time is about the same as your Fast. 我感觉 chrome 的这个 initial connection 时间并不准确。 Mar 7, 2019 · Somehow it started now to take a long time for the initial connection, after restarting apache it is back to normal. When I enter the URL for the website admin panel, it also loads slowly. Feb 25, 2025 · Does your Chrome browser feel like it's running slower than usual? These tips and tricks can help you give Google Chrome a speed boost. Since a few days the loading of the first page of Edge is very slow (I have Google as homepage, but I can select any website that at startup is still slow). The throttling method used by Chrome’s DevTools is only an approximation of an actually slower network. Mar 7, 2025 · Troubleshooting SharePoint Slow Performance: A Comprehensive Guide SharePoint performance issues can arise due to multiple factors, including high server load, network latency, database inefficiencies, and misconfigurations. Jan 2, 2015 · Ajax request occasionally stalled for a long time in chrome. 0. Nov 13, 2015 · As to why or how, as for the link, maybe you've reached the 6 parallel connections that chrome uses. Sep 26, 2020 · This help content & informationGeneral Help Center experienceSearch Jul 16, 2024 · Initiate a new connection, for example, by using a test tool. Hardware Acceleration. In previous versions of Windows, the simplest fix is to comment out this line from the hosts file, as explained in the answ Apr 4, 2024 · In Chrome's network panel, it shows Initial Connection of 42. Can someone please assist me on how to resolve/optimize the delay in initial connection phase? Help Center Community Google Chrome ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview This help content & information General Help Center experience Dec 16, 2022 · Hi Initial connection. Dec 5, 2020 · One of my static pages (generated by Hugo) is loading slow on mobile mode, but the exact same page was fine on desktop mode. Feb 16, 2020 · Initial connections to my website are extremely slow (100+ seconds). Such a slow profile will help you notice the difference. I used Chrome's web dev feature to see what the hold up was and here are the results: Taking a total of 12 seconds just to make the initial connection and encrypt via SSL, let alone the other resources. Once it's connected it seems fine and the DNS resolution is quick, it's just that initial connection takes up to 20 seconds. 0+5444 on my Windows 10 machine to replace the XAMPP platform I had been using for years. Google Chrome uses system proxy unlike some others browsers. Does this make it likely to be a server resource issue? Jul 1, 2011 · We are trying to deploy Google Chrome across our corporate network, but we're finding that it takes 2-4X longer to load an https page (particularly our own internal ones) compared to IE. By throttling the page you can get a better idea of how long a page takes to load on a mobile device. The slowness could be caused by congestion, where the server has hit a limit and can't respond to new connections while existing ones are pending. Read more for a comprehensive tech support guide. At the top right of the Chrome window, select Close From your “Start” menu or desktop shortcut, reopen Chrome. 0 is extremely slow when serving up js files and seems to be a bug. The POST part of the request then looks like this: Any further requests get a good response (GET below). Jul 24, 2024 · Initial Connection / Connecting Time it took to establish a connection, including TCP handshakes/retries and negotiating a SSL. Feb 23, 2025 · Find out how to check server response time in Chrome DevTools and what can cause long waits when loading a website. Jan 3, 2025 · Is Chrome slow to load? Discover effective tips to enhance your browsing experience and speed up performance. Once the site is loaded it will usually load as far as expected (<1s) when refreshed) The host is nearly free speech, server “type” is Apache 2. It was happening across all browsers - Chrome, FF, and IE. Jun 5, 2014 · Here is a video about how my requests are queued up in Chrome and how much time it takes. I've also checked mine, is w/o dns lookups. Mar 8, 2017 · I made a website with Nginx and Meteor. Feb 3, 2023 · Understanding how your website's assets are loading by doing a waterfall analysis can help you better troubleshoot and diagnose performance issues. Sometimes 5 seconds or longer. Mar 23, 2015 · I've a following network log in chrome: I don't understand one thing in it: what's the difference between filled gray bars and transparent gray bars. It's not images or even javascript when I look at the waterfall image. So data is slow to reach the server and get back. so its not plugin\page\request specific imho. It takes about 30-45 secs… Mar 5, 2010 · My asp. Speed up your site by investigating its performance. On the Network panel, select No throttling and send a message through the connection. Is that plausible? The other 5 connections for the same origin are to different remote addresses. Oct 14, 2024 · The network connection of the computer that you use to build sites is probably faster than the network connections of the mobile devices of your users. On the Network panel, select the profile and send another message. If any request came in for the same domain within that time, the browser will try to reuse the same connection for faster response. Feb 10, 2021 · Nginx SSL slow initial connection time Asked 4 years, 6 months ago Modified 1 year, 3 months ago Viewed 5k times When I tested it with webpagetest. (source: google. It is not a DNS problem as I have switched DNS from my default to the OpenDNS servers. How can I improve the connection time? john@vm-170302014546:~$ sudo cat /p I have trouble with some problem using HTTPS. Understand the basics of TLS/SSL handshake to improve it. Nov 5, 2016 · My website is too slow during initial connection establishment phase on a 3G network. Apr 17, 2016 · Still, Chrome devtools tell me that Initial Connection took 1. 0 locally, and it turns out 8. I couldn't find any problem on server. I don't remember when this first started, but when I attempt to use IE, Firefox or even Chrome, on that initial connection to the web it is very slow. It's just the main document and then it all loads. If you are in wireless network and if you haven't proxy, try to disable it in your system (sometimes the proxy configuration is set to "auto"). When I open the browser, the first connection is always very slow and I have to wait about 20 seconds, after which, as soon as the first page loads, navigation works normally for the entire browsing session (until I close the browser). 11 seconds. So before being able to make a request it would need to do a DNS lookup in order to know which server to connect to. Apr 17, 2016 · Here's why: Connecting via TLS/SSL involves handshaking a secure connection, and that requires extra communication between the client and server before any data can begin flowing. Aug 8, 2025 · chrome 里查了下网站的加载速度 Initial connection 什么鬼,竟然20多秒 其实测试时就已经发现这个问题了,一直以为是发布后网站(IIS)第一次加载特别慢的原因,所以没在意分析具体耗时在哪。 无奈百度,google也没找到解决方案。 Jul 8, 2022 · What Causes Chrome to Load Slow and How to Fix That? It's been generally accepted that Google Chrome may considerably slow down due to three reasons: Hardware acceleration, third-party extensions, and a folder named "Default" in the Google Chrome directory. I found the initial connection time is very long. Jan 4, 2021 · Learn how to access and interpret the request data provided by Chrome DevTools. All workstations on the LAN that are being accessed remotely are running Windows 10 Pro 1803. The problem I’m facing is that when I connect to any PC on the LAN externally using the RDP client via the RD Gateway, the connection hangs for about 20-30secs at “initiating remote connection” before Occasionally, the loading of my web page takes more than 10 seconds, I used Chrome DevTools to track the timing, and it looks like this: The weird thing is, when the page loads slowly, the initial connection time is always 11 seconds long. There is a similar problem as your here. While the referenced Microsoft documentation page is for Microsoft server, checked on a Windows 11 Home 23H2 build that nslookup is installed. Jan 27, 2022 · The Timing section of the fetch request in the Network tab shows it stuck in the Initial Connection phase. My PC is connected to this new modem via ethernet on the motherboard while my wifi card is used to connect to the main modem for my regular internet connection. It is amazingly slow: More than 3s just for a DNS lookup Around 20-30 seconds to load a page and also fail Aug 14, 2016 · First thing first, I notice that ur Slow HTTP Get screenshot has additional DNS lookup under connection setup. 5 seconds. Jan 7, 2019 · Making initial connection handshake to the server is taking time (DNS Lookup + Initial connection + SSL). That's a lot of waiting for me when it comes to refreshing the page after a specific time has passed. Luckily, there is a way to fix it. 03 and 0. This is either because the hardware is weak or the application running is slow. In previous versions of Windows, the simplest fix is to comment out this line from the hosts file, as explained in the answ Feb 20, 2016 · For a couple of days, we often see an extremely long initial connection time (15s - 1. Oct 29, 2024 · If Google Chrome is your default browser, it could be the reason that your device is running slower than normal. Usually, chrome has long stalls, but that doesn't show in your Slow screenshot. Apr 28, 2016 · 18 My situation was similar, after struggling a while with extreme slow developer tools response I found out the problem was caused by a Chrome extension I had installed for knockoutJs. The new office is using the same hardware and firmware for mpls as the other 14 office, verified several times. Help Center Community Google Chrome ©2025 Google Privacy Policy Terms of Service Community Policy Community Overview This help content & information General Help Center experience Aug 9, 2023 · These are the different browser symptoms I observe: Chrome Timing Initial Connection/SSL and what I read when the connection is hanging: (no information) Jul 15, 2021 · Issue Summary Hi! I installed Local v6. I finally managed to reproduced it and save all related data necessary to post here if anyone could help me out. I heard about this bug in the v88 version, and this May 30, 2021 · 点击按钮弹出表单时,第二次会出现请求Initial Connection时间长、页面假死且CPU占用高的问题。经排查,升级后的element-plus版本导致JS异常,回退版本后问题消失,同时网络请求问题也解决。 Feb 13, 2018 · I have audited a little bit and the slow loadings are only when the HTTPS is used : Why there is a congestion only on HTTPS ? Moreover, I used Wireshark to see all the transmission and I saw that there is a TCP retransimition (that I don't have in http) that slow the connection establishement. htaccess/etc settings Explore solutions and community discussions to troubleshoot and resolve issues with Google Chrome's sudden slowdown. 64 s. Now access the site against the IP address on port 3000 and you'll see the fetch requests always work Express-based Hello World Open a Terminal into WSL2 within which Node is installed Get the IP address for WSL2 ip addr | grep eth0 for May 14, 2024 · Learn how to reduce TLS/SSL handshake time and improve server response time. Hello, I’m having some problems with Google Chrome on Windows 11 when using AdGuard's DNS. (google page load speed desktop score 97, but failed Core Web Vitals on m Jun 17, 2024 · A few possible reasons: If you don't see any DNS Lookup / Initial connection / SSL, then there are probably already established connections to those servers which can be re-used. 4 Static Content (No PHP, CGI, or Daemons), but no specific . FWIW, I implemented this with Python sockets, with timeouts, and multiple persistent threads. 3 minutes) to our ELBs when making any request via ssl. The Network view allows you to see and analyze the network requests that make up each individual page load within a single user's session. Unlike cURL timings, this includes SSL connection setup, so if you want a fair estimate of RTT, this would be Initial connection - SSL. Where ur Fast Http get doesn't. yg6dt xcu wp0 yj puw 8u4mtuzy qmx h8kq 2bo sq39fn