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                        Unbelievable HTTP/2 performance http://www.forum-lunjian.com/images/logos/litespeed/litespeed-logo.png 2019-08-15 13:36:54 Believe it: LiteSpeed Web Server blows away nginx and Apache in speed tests! LiteSpeed's HTTP/2 implementation is built from the ground up with efficiency in mind.

                        Unbelievable HTTP/2 Performance

                        Believe it: LiteSpeed Web Server blows away nginx and Apache in speed tests!
                        LiteSpeed's HTTP/2 implementation is built from the ground up with efficiency in mind.

                        Why HTTP/2 Performance is Important

                        More than half of the world's websites use HTTPS for their default protocol, and this number is rising every day. The HTTP/2 protocol, which is only supported by browsers when it is served over HTTPS, is in use by more than a third of sites and is also rising in popularity.

                        For this reason, HTTP/2 performance is a crucial metric for any modern web server.

                        Benchmark vs. Nginx and Apache

                        These results come from verifiable public shoot-out benchmarks.

                        In benchmark testing against nginx and Apache, LiteSpeed's HTTP/2 implementation delivered far superior results:

                        LiteSpeed Web Server is 10X faster than nginx and 78X faster than Apache.


                        We tested small static files, large media files, HPACK compression and HTTP/2 stream priority. LiteSpeed Web Server was consistently faster than nginx in all scenarios when serving HTTP/2 traffic.

                        Specifically, we had the following takeaways from our benchmarking:

                        Serving Small Static Files

                        4 Times Faster

                        Serving Large Media Files

                        1.55 Times Faster


                        Superior Compression


                        Effective Stream Priority

                        LiteSpeed's HTTP/2 implementation is advanced, and is constantly improving.

                        Why LiteSpeed's HTTPS and HTTP/2 is Special

                        Other servers use OpenSSL libraries which have no control over the TLS record. They cannot control the size of the record, determine when to start a new record, or when to flush out buffered records. LiteSpeed's implementation is different, because LiteSpeed does not use OpenSSL libraries. LiteSpeed handles the TLS record directly.

                        This gives LiteSpeed the ability to customize in important ways:

                        • Reduce data copies from the data buffer to the TLS record buffer.
                        • Adjust the TLS record size in order to deliver data quickly and improve TTFB (time to first byte).
                        • Combine multiple TLS records together and send over one system call. This reduces system-call overhead and reduces network-packet-level fragmentation.
                        • Directly build the HTTP/2 frame in the TLS record buffer to further reduce data copies.
                        • Implement an efficient sendfile()-like API that rivals Kernel TLS efficiency.
                        • HTTP/2 stream priority done right!

                        Other Bells, Whistles, and Improvements

                        SSL handshake offloading

                        The SSL handshake is the most expensive operation in SSL. Each modern CPU core can handle 400-500 handshakes per second, which becomes a major blocking factor for an event-driven server. When serving a large amount of new SSL connections, the event loop may be blocked, making the server unable to perform other tasks smoothly. By offloading the handshake to one or multiple lower-priority threads, the main event-loop thread is able to finish tasks in a timely manner.

                        SSL Certificate Compression

                        Compressing the certificate reduces the amount of data that must be exchanged during the handshake.

                        accelerate internet

                        Accelerate Your Internet Now!


                        Privacy Policy

                        Privacy Policy

                        LiteSpeed Technologies, Inc. (aka “LiteSpeed”) is committed to protecting your privacy. This policy ("Privacy Policy" or "Policy") explains our practices for our site, www.forum-lunjian.com ("Site"). You can visit most pages of the Site without giving us any information about yourself, but sometimes we do need information to provide services that you request. By using this Site or any products or services provided through the Site, you expressly consent to the use and disclosure of information as described in this Privacy Policy.

                        LiteSpeed reserves the right to revise, modify, add, or remove provisions to this Privacy Policy at any time. If we make changes to this Privacy Policy, we will update the Effective Date to note the date of such changes. LiteSpeed encourages you to review this Privacy Policy periodically for any changes. IF YOU DO NOT AGREE WITH ANY OF THE TERMS BELOW, YOU SHOULD NOT USE THIS SITE OR THE PRODUCTS OR SERVICES OFFERED BY LITESPEED TECHNOLOGIES AT THIS SITE.

                        Collection of Information

                        Personal Information.

                        LiteSpeed will ask you for certain “Personal Information” when you complete registration or product information request forms on the Site, including but not limited to your name, address, telephone number, email address, and credit card information. You can always choose not to provide us with the requested information, however, you may not be able to complete the transaction or use our products or services if you do not provide the information requested.

                        Non-Personal Information.

                        LiteSpeed may collect non-personally identifiable information from you such as the type of browser you use, your operating system, the screen resolution of your browser, your ISP, your IP address, which pages you view on the Site and the time and duration of your visits to the Site (collectively, “Non-Personal Information”). LiteSpeed may associate Non-Personal Information with Personal Information if you register with the Site.

                        User Communications.

                        If you communicate with us, we may collect information relating to that communication whether it takes the form of email, fax, letter, forum posting, blog comments, testimonials or any other form of communication between you and LiteSpeed or Submitted by you to the Site (collectively, “User Communications”).

                        Server Information.

                        If you use one of our software products such as LiteSpeed Web Server or LiteSpeed Web ADC, we may collect certain information concerning such software and concerning the server upon which the software operates. This information includes: (a) the licensed or unlicensed status of the software; (b) the source from which the license for the software was obtained (i.e., LiteSpeed or a LiteSpeed affiliate); or (c) information about the server upon which the software is installed including (i) the public IP address, (ii) the operating system and (iii) the use of any virtualization technologies on such server ((a) through (c) collectively, “Server Information”). Additionally, “Server Information” may also include information collected from you by LiteSpeed in the event that you request technical support services including without limitation, IP addresses, usernames, and passwords necessary to login to SSH, the root directory of the server upon which you installed the LiteSpeed software and any affected accounts including email accounts, control panel accounts, MySQL accounts, CMS accounts and other accounts.

                        Use and Storage of Collected Information

                        LiteSpeed may use Personal Information to create and authenticate your account, to respond to your requests, to provide you with customer and technical support, or to provide you with information regarding our products, services, partners, and company. You may update your Personal Information with us at any time, but we may maintain records of any Personal Information you disclose to us indefinitely, unless otherwise requested as outlined below.

                        We may use User Communications in the same ways we use Personal Information. If you communicate with us for a particular purpose, we may use your User Communications for that purpose. For example, if you contact us for technical support, we may use your communications to provide technical support to you. We may maintain records of User Communications you transmit to us indefinitely, unless otherwise requested as outlined below.

                        LiteSpeed may use Non-Personal Information to maintain, evaluate, improve and provide our Site, the Services and any other LiteSpeed products and services. We may retain Non-Personal Information indefinitely.

                        We may use Server Information to provide you with technical support services and to maintain, evaluate, improve and provide LiteSpeed products and services. We may also use such information to investigate unlicensed (and therefore unauthorized) uses of our software. LiteSpeed may maintain Server Information indefinitely, with the exception of usernames, passwords, and other login information given in connection with support service requests. Such login information will be purged when the ticket is closed.

                        Disclosure of Collected Information

                        LiteSpeed will only disclose Personal Information to third parties if acting under a good faith belief that such action is necessary, including but not limited to: (a) to resolve disputes, investigate problems, or comply with laws or regulations; (b) to enforce our Terms of Service; (c) to protect and defend the rights, property, or safety of our company or our users; or (d) in the event of a merger, acquisition or sale of all or substantially all LiteSpeed assets. Other than this limited activity, we do not share, sell, or rent any personal information to third parties.

                        You will receive notice in the form of modifications to this Policy when information about you might go to third parties other than as described in this Policy, and you always have the opportunity to contact us as set forth below if you do not wish your information to go to third parties.

                        LiteSpeed cannot be responsible for protecting your information if you share such information in publicly available sections of the Site such as the user forums, blog comments, or testimonials section. You should use your own judgment in disclosing this information on the Site.

                        Use of Cookies

                        “Cookies” are small pieces of information that your browser stores on your computer on behalf of a website that you have visited. Cookies may be used in order to complete transactions on our site. You can always choose not to accept cookies with the settings of your web browser, however, you may not be able to complete these transactions if you do not accept cookies.

                        Security of Personal Information

                        We use reasonable security methods to protect your personal information from unauthorized access, use or disclosure. No data transmission over the Internet or any wireless network can be guaranteed to be perfectly secure. While we try to protect your personal information, we cannot guarantee the security of any information you transmit to us, and you do so at your own risk.

                        LiteSpeed uses industry-standard SSL-encryption to protect sensitive data.

                        In the event that LiteSpeed becomes aware of a security breach, unauthorized disclosure or inadvertent disclosure concerning your information, you agree that LiteSpeed may notify you of such an event using the Personal Information previously provided.

                        You are responsible for maintaining your account’s security.

                        GDPR Statement

                        LiteSpeed Technologies values your users’ privacy. Although our software does not directly collect any personally identifiable information from visitors to your site, LiteSpeed may still be considered a data processor, as user information may be temporarily cached and/or logged, as outlined in this document.


                        LiteSpeed Web Server, OpenLiteSpeed, LiteSpeed Web ADC, and related software may record IP addresses as a part of normal logging. An access log and an error log may record visitor IP addresses and URL visited. The logs are stored locally on the system where LiteSpeed server software is installed and are not transferred to or accessed by LiteSpeed employees in any way, except as necessary in providing routine technical support if you request it. This logging may be turned off through configuration. It is up to individual server administrators to come up with their own schedule for removing such logs from the file system.

                        Cache Solutions

                        Our cache plugins potentially store a duplicate copy of every web page on display on your site. The pages are stored locally on the system where LiteSpeed server software is installed and are not transferred to or accessed by LiteSpeed employees in any way, except as necessary in providing routine technical support if you request it. All cache files are temporary, and may easily be purged before their natural expiration, if necessary, via a Purge All command. It is up to individual site administrators to come up with their own cache expiration rules.

                        LSCache for WordPress

                        In addition to caching, our WordPress plugin has an Image Optimization feature. When optimization is requested, images are transmitted to a remote LiteSpeed server, processed, and then transmitted back for use on your site. LiteSpeed keeps copies of optimized images for 7 days (in case of network stability issues) and then permanently deletes them.

                        Similarly, the WordPress plugin has a Reporting feature whereby a site owner can transmit an environment report to our server so that we may better provide technical support.

                        Neither of these features collects any visitor data. Only server and site data is involved.

                        Support Services

                        Sometimes, when you request technical support, LiteSpeed may ask for login credentials to various areas of your site. You may refuse to share such credentials, however refusal may impact LiteSpeed’s ability to provide the requested support services.

                        Upon completion of a support ticket, LiteSpeed immediately deletes all login credentials you may have shared.

                        Any user data encountered by LiteSpeed is kept strictly confidential. We never provide your support ticket information to any third party without your explicit consent.

                        Contact Us

                        If you would like to update information that you have voluntarily provided to us, stop receiving information from us, or exercise any of the rights granted to you under Privacy Laws, including the EU’s General Data Protection Regulation, please e-mail info@litespeedtech.com.


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