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Factors that affect slow page loading

First, DNS domain name resolutionWhen the browser makes a request to the server, first there will be DNS resolution, so that the site URL to resolve to a specific IP address, in this step, can do a lot of work. For example, many small sites use a single-line IP, Portal construction Company's many sites are used in the telecommunications single-wire IP, but when the Netcom users open, the speed is surprisingly slow, at this time, we can use two-wire IP

Use bind to erect your own smart DNS

China's north-south network is a problem for many people who do Web sites In addition to the use of dual-pass or multiple-pass computer room, but also through a number of mirror server methods to improve user access speed However, if the use of the dual-pass room is not single IP, or the use of multiple mirrors, you will face a number of different server IP problems At the earliest, many mirror servers used different domain names, such as WWW1 and WWW2, or www and CNC This approach, the user is

Samsung Note7 Mobile Phone How to insert cards/cards Samsung Note7 SIM card installation graphics and text tutorial

Samsung Note7 Card Tips: Network format Samsung Note7 Support Netcom 3.0, can support China Mobile, Unicom, telecom all three major operators 4G network, and support 4G and dual SIM card. In addition, Samsung Note7 also supports VoLTE high-definition voice calls. How to install dual SIM card Samsung Note7 SIM card slot for three selected two design, users can choose to use dual-SIM card, double cards to achieve dual, the dual-c

The VC market, the team, the innovation theory, you are misleading the entrepreneur

, the most popular this year is the video site, there are always tens do not account for the U.S. dollar, then their determinants are the market, team, innovation? The market is some, but not they give, is netcom and telecom to, is Netcom and telecom investment to increase broadband bandwidth, hardware investment costs lower, this has the opportunity to have a market, said what is the future demand is nonse

Scalability of large portal site architecture design

separate it and the site process, and so we can easily change some of the data access strategy, even if there is a distribution of the database here can do a deployment work, so flexibility is very large. There is also the advantage is that the middle layer can do wire netcom bridge, may netcom access to dual-line access to telecommunications more than netcom di

Internet Bar Fiber Access scheme

refer to the configuration of the router can achieve dual-fiber access. Advantages of Dual Fiber access It is no doubt that dual fiber access can provide greater bandwidth and improve the performance of Internet cafes. Dual-fiber Access can also enhance the total bandwidth of the network exports, enhance the Internet Bar network users to access the speed of the network, which is particularly important for users of Internet cafes. In the case of dual fiber access, the diversification of the

Using Baidu statistics for the website physical examination

, after the test will have two results, one is Netcom's speed, a telecommunications speed. These two speeds as long as more than 85 points, that your website speed has been quite good, of course, my site is through some optimization, so the speed is still good. Netcom and Telecom are two separate data, which depends on where our customer groups are. Generally speaking, the southern use of telecommunications more, the north with more than

How to Set up enterprise Routers

caused by the instability caused by the establishment of VPN networks across different carriers. For example, the Headquarters uses the lines of China Netcom, while the branches use the lines of China Telecom, resulting in insufficient cross-network bandwidth, and the phenomenon. In this case, you can also use a multi-WAN router to solve the problem. That is, the Headquarters can access the lines of China Netcom

Simple Network Performance Detection

easily modify the MTU value of the local machine. It is convenient to detect the MTU from the client machine to the server. For vro parameter settings, you can modify the MTU and tcp mss values of the vro interface to solve the problem.The MTU and tcp mss values of specific packets should be tried based on the specific application and the best value should be selected based on the experience value. The MTU value can be selected for testing through the ping command; the selection of tcp mss valu

Free DNS server in Beijing

Google's free DNS server is 8.8.8.8.8, and the secondary server is 8.8.4.4. The primary DNS server of opendns is 208.67.222.222, and the secondary server is 208.67.220.220. DNS in Beijing Free DNS in Beijing:Beijing ns.bta.net.cn 202.96.0.20.Ns.spt.net.cn 202.96.199.20.Ns.cn.net 202.97.16.195202.106.0.20202.106.148.1202.106.196.115 DNS in Beijing is:DNS preferred choice: 202.106.46.151DNS backup: 202.106.0.20OrDNS preferred choice: 202.106.193.115DNS backup: 202.106.0.20 Beijing DNS address:202.

Learn how to configure the security router for SMEs

VPN networks across different carriers. For example, the Headquarters uses the lines of China Netcom, while the branches use the lines of China Telecom, resulting in insufficient cross-network bandwidth, and the phenomenon. In this case, you can also use a multi-WAN router to solve the problem. That is, the Headquarters can access the lines of China Netcom and China Telecom at the same time, and the extern

How to buy a virtual space)

server components based on the performance, usage range, and security of the server hardware. Generally, all virtual space servers support the following components, jmail components, FSO components, mobile components, Zend, GD library, rar online decompression and packaging, etc. The sixth performance parameter of a virtual space is the support for directory websites: A directory website indicates how many sites can be opened in a virtual space and provides better performance, you can bind doma

Centos dual-line dual-ip server route settings

In order to allow China Unicom and telecom users to quickly access the website, the company's server is hosted in a dual-line dual-ip data center. When the server uses dual-line dual-ip addresses, you need to configure the route table. the solution provided by the IDC is to enter the static route table. The method is to use the China Telecom gateway as the default route, and then manually enter the routing rules for all the IP address segments of the China N

Virtual router: multi-host, single Nic, shared broadband Internet access (1)

With the rapid development of broadband Internet services and the popularization of computers, more and more enterprises and individuals have more than one computer, and users also want to share the Internet. Some broadband service providers want to protect their business interests, take measures such as adding a dedicated authentication program) to restrict sharing, which caused widespread dissatisfaction among netizens. Search google or Baidu for keywords such as "

How to implement dual-line access of vro in Windows

Remote VPN dial-up machine uses a local gateway to access the Internet, and uses a policy route to borrow lines to achieve shared Internet access in the local LAN. These functions are more flexible than hardware VPN routers, and more suitable for using soft routers. In addition, hardware VPN routing is generally implemented, the number of lines to be processed and the number of remote connections are limited, and for soft routers, as long as the machine can have N NICs, you can achieve N-1 rout

Security router configuration for medium and small enterprises required for Network Management

Headquarters uses the lines of China Netcom, while the branches use the lines of China Telecom, resulting in insufficient cross-network bandwidth, and the phenomenon. In this case, you can also use a multi-WAN router to solve the problem. That is, the Headquarters can access the lines of China Netcom and China Telecom at the same time, and the external points of the China

Learn about the basic configuration of the security router for SMEs (1)

, the Headquarters uses the lines of China Netcom, while the branches use the lines of China Telecom, resulting in insufficient cross-network bandwidth, and the phenomenon. In this case, you can also use a multi-WAN router to solve the problem. That is, the Headquarters can access the lines of China Netcom and China Telecom at the same time, and the external points of the China

How to create a phpwhois Query API

Does not guarantee its accuracy. By submitting a WHOIS query, you Agree that you will use this data only for lawful purposes and that, Under no circumstances will you use this data to: (1) allow, enable, Or otherwise support the transmission of mass unsolicited, commercial Advertising or solicitations via direct mail, electronic mail, or Telephone; or (2) enable high volume, automatic, electronic processes That apply to Register.com (or its systems). The compilation, Repackaging, dissem

Think about broadband usage security from frequent theft of ADSL accounts

an ordinary user, how should we protect our rights, how to ensure the security of personal broadband usage? I. official attitude For the recent frequent theft of ADSL accounts, Beijing Netcom officials said that in the near future, the network technology level will be started to effectively prevent the upgrade of ADSL account theft. Beijing Netcom also reminds netizens that they should promptly update thei

Set up a dual-line server (dual-line game server)

Transferred from: http://blog.csdn.net/chenggong2dm/article/details/7024717Due to the high latency of telecom unicom visits (and sometimes inaccessible phenomena), the Web game server must be made into two lines.There are many ways to implement a double line, even from the bottom of the package,But here we have a simple way to implement a two-line:dnspod+ server-side socket binding domain name way .Encyclopedia Information:Founded in March 2006, dnspod is a free and intelligent DNS product. Dnsp

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