According to Websense, as many as 70% of internet users said they were unwilling to read for more than 8 seconds, more than 70% would abandon online browsing and shopping for "slow Web downloads". The speed of the site has a direct impact on the site's traffic, and the site's access to almost the interests of the site directly linked, so the speed of the
basic processes and principles of user access to the site (most of all, none)Original: http://blog.csdn.net/yonggeit/article/details/72857630Directory (?) [-]
User access to the site process framework
DNS parsing principle
TCPIP Three-time handshake
OSI Reference Model
TCPIP Model Proces
In the HTTPD server's access log file Access_log, a large number of client access information is logged, and by analyzing this information, you can understand the Web site's access, such as the number of access IP per day or a specific time period, the most-clicked page.This article describes how to install the Awstats
Looking for a long time on the Internet, can not find a story about anonymous users of the site, online too many articles are kua and talk about all the truth, but completely decline to implement, and anonymous users related to a lot of articles, but the site anonymous users to establish steps of the article is not.
This is a normal present like, understand people feel too simple, do not want to Aushu. Do
consider this part of the background update the time to static, so as to avoid a large number of database access requests. 2, Image server separation you know, for the Web server, whether it is Apache, IIS or other containers, the picture is the most consumption of resources, so we need to separate the picture and the page, which is basically a large web site will adopt the strategy, they have independent,
High concurrent access and massive data large Web site architecture Technology ListLin Tao posted: 2016-4-19 12:12 Category: WebServer Tags: concurrency, massive data, high concurrency 44 times The challenges of large Web sites come mainly from huge users, high concurrent access and massive data, and any simple business that needs to deal with the number of P-
speed will be slower, not considering the search engine indexed site can be used in non-80 site mapping, but the public address needs to take the port (with URL forwarding can remove the port, This is not a table), but a non-80 port mapping can be accessed as an app backend service point with its own app. Full port mapping enables many other scenarios such as Telnet, FTP, and so on. Full port mappings requ
fill in the Web server's intranet IP address is the IP address noted in the above steps ,
intranet port number at the end of the site to fill out the port number (also just noted),
After completing the information, click on the external HTTP80 port to open the
After the setting is successful, click Confirm, the setting is successful, the extranet access address will be generated automatically.
Just
1. When the site is slow to visit, first look at the local network is normal.
Methods: First use the network speed measurement of local network rate: The network rate is lower than 50kb/s, visit the site naturally slow. 2. When the local network rate is normal, check to see if the site visited is normal.
Methods: Test the
Earlier this year Baidu search has been fully implemented HTTPS mode, and claimed to have been able to crawl HTTPS Web page, compared to Google has already supported the capture of HTTPS in the early years, although Baidu is a bit late, but now still has, but also some people discuss about HTTPS mode baidu Google seo impact, Although no one has given the actual test data, but Baidu Total station HTTPS mode can more or less explain Baidu's current attitude to the HTTPS
identity of both sides of the network communication digital information files, concepts similar to the daily life of driver's license or identity card similar. Digital signature is mainly used to send secure e-mail, access security site, online bidding and bidding, online contract, online ordering, secure online document transmission, online office, online payment, online tax and online shopping and other
-site Configuration tip: If you are configuring multiple virtual hosts at the same time, make sure that the first virtual host record is not missing serveralias option, otherwise the configuration will not succeed.Finally save the conf/extra/httpd-vhosts.conf configuration file.When restarting Apache, be careful to restart Apache in cmd mode via the net start apache2.2 or net stop apache2.2 mode.At this time through the IE domain name can be accessed
How to prevent Access database downloads is a very old topic, online discussion is also more. Here are some ways to prevent Access databases from being downloaded under asp.net.
Here we assume that the Access database name is Test.mdb.
1, put the database outside the Web directory
If your site directory is d:www, yo
How to create a default site that can be accessed with an IP address/modify the default site keyword 1 create a default site 2 modify the default site 3 create a site accessed with an IP address start at wdcp2.2, you can directly create a default
follows:
--prefix: Specifies the directory under which the HTTPD service will be installed.
--ENABLE-SO: Enable dynamic load module support, enabling httpd to further expand capabilities.
--enable-rewrite: Enable Web page address rewriting for site optimization and directory Migration maintenance.
--enable-charset-lite: Enable character set support to support Web pages that are encoded using a variety of character sets.---enable-
www.phptest.cnerrorlog "Logs/dummy-host2.x-error.log" customlog "Logs/dummy-host2.x-access.log" COMMON
Appserv Multi-site Configuration tip: If you are configuring multiple virtual hosts at the same time, make sure that the first virtual host record is not missing serveralias option, otherwise the configuration will not succeed.Finally save the conf/extra/httpd-vhosts.conf configuration file.When restarting Apache, be careful to restart Apa
Introduction:
Sometimes the site finds that the concurrency of a touch IP address is high, resulting in high bandwidth and high server load. You need to cut off its IP address access to the site for control. The rules are as follows:
# Web service access control# Deny access
page loading speed of the free webmaster tools, instant detection of your site in the country to visit the effectiveness, response time and open speed, currently in 15 provinces and cities nationwide, the United States, Australia, Japan and other 8 countries have a detection point. This kind of website speed test tools are basically foreign, the domestic speed of the service is relatively small. Kaka network mainly has website speed test, ping detect
Preface
Some of my friends, like me, want to find out what HTTP requests are initiated to those sites when a browser is used to access a site; the site's HTTP response; whether the domain names of these sites correspond to the Socket socket IP addresses output by the Shell terminal; the domain names, IP addresses, physical addresses, the contact between the domain name owner and the IP address owner; wheth
Sometimes for security, some websites are not allowed to be accessible to everyone. So how do you set it up? This requirement is met by IIS 7.5 above Windows server R2.
For example: I have a site name of anna.ce.com This site I only allow access to my company inside and one of the servers that need to invoke my Site
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