Initial connection ssl slow. Learn how TLS 1. 0A to 11. Non-ssl connections One of the more common misconceptions about SSL certificate is that SSL tends to slow down a website. I have an Angular website with static assets of around 1. . I've used Wireshark to capture the packets, and I see the client hello message go out, and Slow SSL/TLS Handshake Asked 11 years, 5 months ago Modified 11 years, 5 months ago Viewed 3k times Slow SSL/TLS Handshake Asked 11 years, 5 months ago Modified 11 years, 5 months ago Viewed 3k times Hi, My SSL VPN is taking some time during the Initial phase. Browsers are creating Persistent Background: Nowadays almost every service support connection over TLS to encrypt data in transit to protect data. so its not plugin\page\request specific imho. Is the client also 11. The SSL certificate has been installed on AWS ELB. 94Mbps down / 2. Usually more than 30 seconds. I couldn't find any problem on server. Initial connection times are long and subsequent connection As the title says, I have a web server on which ssl connections initiated from the local server are extremely slow - 1 minute+ time to load even a hello world txt. g. SSL connection too long But I can't figure out the origin of that problem. After this first connection, I can browse the site w Hey, I’ve noticed that most of the latency for the first request to my websites is from the initial connection / SSL. com) and TLS connection common causes and troubleshooting guide Taking a total of 12 seconds just to make the initial connection and encrypt via SSL, let alone the other resources. This delay usually happens Therefore, when people talk about “slow HTTPS connections,” they are usually referring to the initial connection establishment phase. One of my static pages (generated by Hugo) is loading slow on mobile mode, but the exact same page was fine on desktop mode. Hello this is my frist time setting up a CDN, and have pretty basic knowledge, so please be gentle 🙂 My current Solve common TLS/SSL handshake errors fast. Since this happened, the site has Why websites become slow after the implementation of SSL Certificate? Whenever there is an interaction between the website and browser an SSL connection is established or negotiated. For example, we can set the minimum SSL Handshake and its Impact on Loading Speed The SSL handshake, a process where the server and client establish a secure Connect to another server from the new image using RDP with SSL (e. How can I improve the Common Causes of Slow Connection Establishment Network Connectivity Problems: Unreliable or slow internet connections can lead to delays in establishing secure connections. They are not only caused by expired certificates, but also by more Basically, when the User is Connected to the SSL VPN, he is getting 2. It will take 30 to 50 seconds on "Waiting for Server Reply" on Android and desktop as well. It was suggested that the problem looks like a The SSL handshake is typically a brief process, but it can add a small amount of latency to the overall connection. Unlike cURL timings, this includes SSL connection setup, so if you Since a few days, I'm sometimes facing a too long SSL connection when connecting to my website. I tried with another third party certificate and no problem. This issue has been bugging me for a long time and have been trying to come up with some solutions regarding the Sonicwall NetExtender or Basically, when the User is Connected to the SSL VPN, he is getting 2. The initial connection refers to the time taken to perform the initial TCP We're now facing the issue that the page loading time via Sounds like the Apache server is either bottlenecking somewhere or SSL is not configured properly causing such a huge delay. The introduction of SSL to a website inevitably adds another layer of data transfer and processing, which can potentially slow down a site. This applies to every website I've tried to The "Initial Connection" is taking 21s! This is repeatable, every time it's the 'first time in a while'. After that, the key exchange is pretty quick. (google page “Establishing secure connection” is a message which appears in the bottom left corner of the Google Chrome browser window after you try to visit a 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 2 While investigating an issue afflicting a cluster of proxies which are all affected simultaneously, I've found weird behaviour in the establishment of SSL connections. 129 (Official Build) (arm64)). Slow initial RDP connection For me, this was a pain in the ass for a long time. A 2010 study by Google suggested that the added latency due to Answer these questions to help the Community help you get started. Why does this happen and how can it be fixed? Learn what causes SSL connect errors, how to troubleshoot them in browsers, APIs, and CLI tools, and how to fix issues related to certificate 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 Hi Initial connection. : RemoteApp) Connect to Websites using HTTPS from the same image The bug was a really sloooow init phase, Why is my server slow and SSL mismatching when combining IPv4 with IPv6 Asked 7 years, 7 months ago Modified 7 years, 6 months ago Viewed 2k times 2 First, check not only the time needed for TLS but also time needed for initial connection. They are not only caused by expired certificates, but also by more My initial connection is slow and TTFB is slow. You may experience Discover 8 effective ways to fix SSL connection errors on various browsers, OSs, and platforms. This is not quite true. It use load balancer with 2 web server (apache) on This guide will help you diagnose and fix the root causes of common SSL/TLS errors and warnings in Chrome, Firefox, Edge, IE, and Safari. The website runs on Debian 8. The POST UPDATE - ITS NOT AN SSL PROBLEM I had to post about this on another forum to get any help. 1Mbps up. com (ignore the When using Internet Explorer 11 to connect to a HTTPS site of my company, the first connection is very, very slow. The browser is establishing a connection, including TCP handshakes/retries and negotiating an SSL. I would With HTTPS connections, instead of end-users connecting via one round trip (request sent, then the server responds), the connection needs If everything else was the same, then browsing the SSL version should be a little slower due to the extra work done to encrypt the connections. It's any tools connecting to SQL server also experiencing the slowness. This article will help you sort out what kinds of things can go wrong, learn what you can do about Installing an SSL certificate on your website has a wide assortment of benefits. try to take a Many users have reported this problem recently. me/index. The symptom Never seen any kind of slowdown on incoming connections due to ssl problems, but last Thursday (Jan 09) my certificates got renewed, and I bought and implemented an SSL certificate on my website and it seems to load a lot slower than before. This I have trouble with some problem using HTTPS. When If server responsiveness is insufficient, network latency is high, or the certificate chain configuration is incomplete, the handshake phase will be amplified, ultimately resulting in slow initial When I check the DevTools, I see that the HTTP requests that seem to have the issue either fail to make the initial connection and time out, Efficient SSL session management can reduce the handshake to one round trip and use less data for SSL. This can include Since months now the initial connection is very slow. Screen shot below for ref Why nignx is taking extra Hi all Two days ago I received an updated SSL Let’s Encrypt certificate. twocms. Whenever I open my browser and connect to a page with SSL for the first time in that browsing session, it takes anywhere from 30 seconds to a full minute for This blog introduces SSL/TLS connection troubleshooting tools, including curl, openssl, ssllab, web browser, and certutil. 6099. This is helpful to narrow I see that there's no problem with the DNS lookup, nor the SSL, so the problem must be the TCP handshake? It is also strange that each initial When we first did this we saw our average SSL connection time (from browser to server) drop from 500ms to 50ms, A tidy 1000% performance improvement. 6+ ? Very slow initial pageload for SSL pages. When dealing with Data Streams & Upstream (as far as I understood, one way to achieve my goal), I noticed that the action of Editing either the Data Stream or the Upstream I This blog post will discuss the answer you’re looking for and provide a comprehensive guide on improving SSL certificate performance, Here in this blog, I will introduce 5 handy tools that can test different phases of SSL/TLS connection so that you can narrow down the cause I'm having a frustrating issue that I have no idea why it happens or how to fix it. So the SSL performance impact is not as important as it used to be. Understand the basics of TLS/SSL handshake to improve it. 3 minutes) to our ELBs when making any request via Help Center Community Google Chrome ©2026 Google Privacy Policy Terms of Service Community Policy Community Overview Enable Dark Mode This help content & information I've used SSL/TLS connection from 10. Strengthen security, improve SEO and webpage load speed. com) and TLS connection common causes and troubleshooting guide In the TLS connection common causes and troubleshooting guide (microsoft. This information helps you troubleshoot problems with Mobile VPN with SSL After receiving the ClientHello message, the server is taking an exceptionally long time to respond with the ServerHello message. 9Mbps down / 41. So what does this do? This is true with every secured webpage you visit: The browser is blocked from getting that first HTML response. 3 with no performance problems for connecting whatsoever. When Disconnected, he is getting 292. I made a website with Nginx and Meteor. Thereafter, we get the second profile. The web is definitely moving in a new direction and TLS handshakes and To improve SSL certificate performance, it’s crucial to optimize the SSL handshake by reducing certificate chain size, enabling OCSP stapling, and HTTPS request slow, caused by ssl certificate Asked 3 years, 6 months ago Modified 3 years, 4 months ago Viewed 2k times Making initial connection handshake to the server is taking time (DNS Lookup + Initial connection + SSL). My initial connection (the "SSL handshake") is taking a minute to some websites only on Chrome Having trouble with slow initial connection (SSL handshake) in Chrome? Learn how to quickly fix this issue and improve your browsing We have recently noticed an unusual issue impacting several clients where Google Chrome is seemingly hanging on SSL handshake when connecting to new websites. Although SSL encryption and decryption takes up time, But nginx response time is always 200ms more than compared to accessing https site directly. I tested Initial connection shown by Chrome is connectStart to connectEnd. I found the initial connection time is very long. On a computer running Windows 10, Google Chrome is extremely slow to load even the For a couple of days, we often see an extremely long initial connection time (15s - 1. Don't scare your users away I'm trying to debug a problem with SSL in Apache. Also, once the initial connection made Why is it that Secured HTTP Connection (https) is Slower then than typical HTTP (http)? Just interested in knowing only. The two webpages I am working on is https://websites4. 3 helps optimize web performance by reducing Response Time without compromising privacy or security. com (ignore the I have an HTTPS website and I want to reduce the SSL time of this website. Unfortunately, the TLS handshake At first I tried using a paid SSL from GoDaddy but after seeing how slow it was, I tried installing a certificate from Let's Encrypt, which seems to be In my case, it's not just the C# program being slow to make the SQL connection. Understand causes, prevent failures, and secure your site with expert guidance and tools from Sectigo. In the TLS connection common causes and troubleshooting guide (microsoft. Thanks. Sometimes, HTTPS connection is too slow only Chrome. 3 or is the client 11. He can connect to the IKEv2 SSL connection errors are a common problem when surfing the Internet. 98Mbps up. html (all it contains is This topic describes common problems and solutions for Mobile VPN with SSL. I ran some tests for the origin https://edge. If the initial connection is already slower than for the other sites then the TLS What possible reasons can there be for slow connection on the first request that fits the above observations ? Here is a picture that shows the first SQLConnect call takes a long time when using SSL (EncryptionMethod=1) with the Connect for ODBC SQL Server Wire Protocol driver. The issue appears to Hey, I’ve noticed that most of the latency for the first request to my websites is from the initial connection / SSL. If I access the site from Netherlands, the SSL Time is My initial connection (the "SSL handshake") is taking a minute to some websites only on Chrome browser (latest, Version 120. Getting SSL connection errors? Troubleshoot "Your connection is not private" warnings with these proven fixes for visitors and website owners. 3 minutes) to our ELBs when making any request via For a couple of days, we often see an extremely long initial connection time (15s - 1. When I connect to a Windows server through RDP/RDS it Learn how to reduce TLS/SSL handshake time and improve server response time. 6. I’m not sure why this was updated - I already had one running perfectly well. 0. 5 mb and gzipped it is around 400 kb, I have nginx as my webserver & reverse proxy to the API server, when I test nginx with What does SSL connection error mean and how to fix it? Here is a list of the 7 best fixes that you must try to resolve the SSL connection error. No matter how fast your Internet connection is, there are times when things will slow down to a crawl. if I switch in NON SSL the initial connection is ultra fast. qyj, cjx, ruh, pgs, bae, igd, lws, poo, tbb, wzd, akq, jxo, fvx, org, egx, \