pingdom speed

Mar 13Start using pingdom to monitor websites Beishan US host 5 comments» In the previous log on the host Stability Report of US host reviews in Beishan, serviceuptime.com is used for free website monitoring. The minimum monitoring interval provided by serviceuptime is 30 minutes, that is, it takes 30 minutes to check the data. The time interval is relatively long and the monitoring data is not accurate enough. Recently, I tried pingdo

USB2.0 is backwards compatible with usb1.x, i.e. USB2.0 supports high speed, full speed, low speed USB devices(High-speed,full-speed,low-speed), while usb1.x does not support high-speed

The speed limit configuration is as follows: Access-list rate_limit_1 Extended Permit ip any host 192.168.1.2 //(limit 192.168.1.2 download) access-list rate_limit_1 Extended Permit IP host 192.168.1.2 any //(limit 192.168.1.2 uploads) access-list rate_limit_2 extended permit IP any host 1 92.168.1.3 //(limit 192.168.1.3 download) access-list rate_limit_2 extended permit IP host 192.168.1.3 any //( Limit 192.168.1.3 upload) Class-map

Uncover the real speed of ADSL Users who often use ADSL, do you know the real speed of ADSL? With this question, we will expand the problem step by step.Many users report that,The download speed of ADSL does not reach the nominal 512 K. After the computer accesses the network through ADSL, a download speed indicator is

Warm tips This article applies to high-speed channel "no speed", "speed is not obvious", "accelerated Slow", "Service paused" type. has entered the high speed Channel-but not speed. The following figure shows the problem, the hint has entered the high-

For PHP application speed, speed up, and then speed! Part 3rd: Using the Memcache daemon to cache data in memory The first two articles in this series provide the technology to speed up the PHP application. The 1th section describes the XCache, which is a php extension that caches PHP opcode into memory. XCache will a

My company's new website highlights encyclopedia was launched and encountered this problem when using FTP. The main manifestation is: the transmission speed starts to be fast, and then gradually decreases in a few seconds, and finally changes to 0. After a while, the system prompts a new connection and overwrites the upload, but the speed remains the same You have to disconnect and start again !! This probl

Although the Win7 system installed faster than other systems, but as the use of time, will lead to slow down the speed of the system, and just installed the system when the operating speed gap is very large, so how to speed up the speed of the Win7 system? In fact, there are many ways, The following Win7 's small serie

In the contest, when the large data is encountered, the reading file becomes the bottleneck of the running speed of the program, and it needs a faster reading mode. It is believed that almost all C + + learners have stumbled over the slow speed of the CIN machine, and have vowed not to read the data on the CIN. Others say that the speed of Pascal's read statement

For PHP application speed, speed up, and then speed! Part 2nd: Analyzing PHP applications to find, diagnose, and accelerate slow-running code "For PHP application speed, speed up, and then speed!" The 1th part of the series demon

For PHP application speed, speed up, and then speed! , part 1th: Improving performance and throughput using opcode caching software In a very short time, PHP became a very popular programming language for developing WEB applications. For beginners, PHP is easy to install and learn. For experienced developers, PHP (starting from V5) provides a powerful object-ori

XP/WIN7 system will default to 20% of the Internet speed, we can easily remove this limit, so that your internet speed reached 100%, really experience the feeling of surfing. Here's how: Start menu-run-enter "Gpedit.msc"-OK-Computer Configuration-Administrative Templates-Network-qos Packet Scheduler-limit reserved Broadband-Properties-enabled-change the bandwidth limit to 0%-select application-OK, okay. If

. Estimates load time-shows site's estimated loading times on different Internet connections. Separate analysis reports-shows separate analysis reports of CSS files, images, JavaScript files etc. 4. aptimize.com Aptimize.comAptimize.com has a unique way of reporting. it's a simple tool which intakes your url and, in about 5-10 minutes, sends you email about your site's analysis report. the best part is that the report is in pdf format and you can review it whenever you wantUnlike other engines

for improving the website loading speed. The PageSpeed test includes mobile devices and desktop devices, allowing your web pages to be quickly loaded on all devices. 2. Yslow YSlow is one of the most common website performance analysis tools.WebDevelopers, especially front-end developers, must be familiar with this feature. YSlow provides you with suggestions based on a set of high-performance web page rules, and how to optimize it to make your web

The following content is reproduced from the USB chirp signal test, in this article explains in detail the USB high-speed device handshake process, and through the analysis d+ and D-above waveform to explain. It's a great article. First, Chirp K-J Signal Description The USB chirp signal is divided into k signal and J signal. Depending on the USB rate, the chirp signal is distinguished as follows:Second, the USB full

Play the game card, watch the video card, even open the page all cards ... Whether you are also wondering, is clearly 10M optical fiber, why speed than snail still slow? Let the acceleration of life to help you, pulling out the computer in those secretly occupy the speed of the process, real-time monitoring, to prevent the flow of stolen "self-protection", but also you smooth

The problem of the network itself The destination Web site you want to connect to is on a server with insufficient bandwidth or too much load. The processing method is very simple, please change the time period to go up again or change a target website. Network cable problem causes slow speed We know that twisted-pair wires are tightly twisted and together by four pairs of lines to reduce crosstalk and background noise. At the same time, only 1, 2

Average Speed Paging method I. Scope of APPLICATION The mean-speed paging method is mainly applied to the asp+access application of the article system, the news system and other sorting methods. Second, the characteristics of the description Many people who have used some article systems or news systems know that general article system or news system, in the classification of pages, usually by reading the d

Thunderbolt 9 Download speed By default is full speed download, will not enter the speed limit download. There are times when you want the speed to download within a fixed download speed. It needs to be set by the speed limit down

The reason why the common Internet slows down The reason for this is that your broadband line is aging, or it is damaging (router) Reason two, if the computer and other computers share a network cable, it may be your computer by the ARP virus attack Reason three, there is a program secretly running the background of a large number of bandwidth, such as virus Trojan, Peer-to-peer software (Thunder QQ Whirlwind, etc.). With some other reason 1, the first need to check the network itself probl