emv decline

Some days ago, a friend asked laughter dust: Site Keywords Suddenly dropped what is the reason, how to solve it? In response to this problem, laughter dust think should do a summary, so that the webmaster friends can be used as a basis, when the problem comes, can be resolved immediately. After all, webmaster friends use most of the time to do rankings if suddenly did not, is really a very depressing thing. In the case of a sudden decline or disappear

In slam, there are still a lot of applications about gradient descent in machine learning, but it is not very clear about the concepts such as "reverse gradient direction is the fastest direction for partial decline of function values, some of your understanding is attached below. Glossary: Gradient: A gradient is a vector that indicates that the direction derivative of a function at this point is maximized along this direction, that is, the functi

The original or outside the chain of problems, that is, in other people's forum posted posts, by the engine as cheating, because the content of the paste less only connected. Article writing is very cumbersome, but told everyone two sites to promote the optimization of the two error. Also summed up in the process of SEO often encountered several problems. 1. Excessive optimization, I was in the other days of the Forum on other people's Web site on the continuous posting spam is an optimization

A lot of webmasters in the site optimization, all want to through a fast way to get a good ranking of their website, but often these so-called rapid methods lead to the site down right, ranking decline, included in the reduction of problems. Do website Optimization Resolute cannot do this kind of opportunistic thing, also we often say black Mao method. Do the site optimization to use the right method, can be effectively improved. Today, the small part

Today to share is "how to add new keywords, do not affect the ranking of the original keywords," If you have friends to understand the key words on why the ranking changes, how to solve such similar problems, please consult "Peng Yuting: The reason for the change of keyword rank and its solution". Analysis of the reasons for the decline of keyword rankings and solutions: 1, the website server is unstable or replace the server This situation is the

traffic decline. Customer: Our website's traffic has dropped again, what reason is this? I see you in the Weekly keyword ranking are still very ok ah ... A: Oh, is this, in fact, simple keyword ranking is not to determine the site traffic is a rise or drop, because the objective factors than more, such as the number of home PPC, search trend changes ... (Give a few examples to cope with the past, because this is not the point). Of course, I also un

such as Weibo. A phenomenon that we all can relate to is that after 2011 years, almost all topics, hot spots and influence events are generated and disseminated from micro-blogs, and community-type websites are becoming more and more attention-less, becoming a bystander and follower. In May last year, the mop, which had a strong point of entertainment and gossip, planned to move from Beijing to Nanning, even because of its operating costs. The establishment of the two years before the end of th

In fact, no matter which website, a keyword in Baidu rankings can not be static, even Baidu's own products (Baidu know, Baidu Encyclopedia) rankings are always changing. When your site keyword ranking down when we do not have to be too sad, but we have to try to analyze the reasons for the decline, the following on my 4q8q funny nets as an example to say that a few days ago ranked the first keyword "funny expression" suddenly fell to the 11th place in

When I was a child, I started to listen to crosstalk with pirated tapes (the name is hard to remember, but it is a "Chinese crosstalk selection"). The quality of the tapes is surprisingly good, I have listened to it many times, and almost memorized every line in it. I also liked crosstalk. I really want to thank the pirate who put so many of the most classic CROSSTALK ON one tape. If it is genuine, a single disk has only one or two classic ones (to make money ......), It won't attract me that wa

://www.idcps.com/uploadfile/2015/0804/20150804034651253.png "style=" border:none; vertical-align:middle;width:484px;height:344px; "alt=" 20150804034651253.png "/>(Figure 2) domestic browser market share half-yearly change trend comparison chartFigure 2 shows that in 2015.5 years (February to July), the share of IE and chrome shows this development trend, the gap is shrinking. In July, IE's share was reduced by 1.19% from June, and chrome rose by 0.18%, or more. At this point, the gap between the

is changed. Now it is a violation, so you will be punished accordingly;The following are some detailed reasons:1. From the very beginning: Has your server been inaccessible recently?Failed access to the server is one of the most common causes of rankings decline. Therefore, you only need to manage your server without making any changes to your website, ensure normal access, especially at critical times;2. Have you used the robot.txt file? If yes, hav

The switch performance is still quite common, So I studied the chain problems caused by the decline in the switch performance. Here I will share it with you, hoping it will be useful to you. One of the following network faults in this article is the failure to withstand the LAN broadcast storm due to poor switch performance, and the cache overflow error, which eventually leads to the failure of the LAN to access the Internet! Considering that the faul

According to the Net Applications data of research institutions, the market share of IE browsers continued to decline in February this year, while that of Firefox increased to nearly 22%.Net Applications data shows that the IE market share dropped from 68.18% to 68.17%, Firefox increased from 21.75% to 21.96%, and Apple Safari 7.70% to 7.42%. Google Chrome increased from 1.13% to 1.16%, while Opera increased from 0.68% to 0.70%. Last week, Microsoft

is still the leader in the global browser market, but its market share continues to decline. Internet Explorer's market share in March is 55.92%, lower than February in 56.77%. Firefox's browser shares have increased slightly, from 21.74% to 21.80%. Google Chrome's share has been significantly increased, with a market share rising from 10.93% to 11.57%. Apple Safari ranks fourth, and its market share has increased from 6.4% to 6.6%. Opera ranks fifth

function and service level of the website cannot be expected. Over the past year or so, taking the single-point logon System of the website as an example, I don't know how many times I have switched over and over. I was unable to log on for a long time earlier, and I also have support for non-ie browsers, and even unavailable. The website features many similar "traps". For example, after reading each chapter, it will pop up whether to subscribe to the entire book or vote for the author for a

Since every language has its golden age, it has its decline, and Java is no exception. I think future advancedProgramming LanguageIt will be more clearly divided into three categories: one is suitable for underlying development, the pursuit of efficiency, like the C language; the other is suitable for silly development, and the goal is to achieve programming for everyone, like Delphi; the third category is the pursuit of a balance between efficiency

Today, a lot of new stations to talk about Baidu keyword rankings , as well as Baidu's latest ranking fell reason If all of the pages of the site are gone (you can find the URL to search the site directly in Google), it may be caused by the following reasons: A. Your server in the critical time of the failure of the normal access; B. There are robots.txt problems with your website; C. Because of improper optimization, your website has been removed by search engines from its index; If only a

is changed. Now it is a violation, so you will be punished accordingly;The following are some detailed reasons:1. From the very beginning: Has your server been inaccessible recently?Failed access to the server is one of the most common causes of rankings decline. Therefore, you only need to manage your server without making any changes to your website, ensure normal access, especially at critical times;2. Have you used the robot.txt file? If yes, hav

undergone major changes;C. You have made some rules that violate the new search engine principles or are allowed before the algorithm is changed. Now it is a violation, so you will be punished accordingly;The following are some detailed reasons:1. From the very beginning: Has your server been inaccessible recently?Failed access to the server is one of the most common causes of rankings decline. Therefore, you only need to manage your server without m

death. For a person who has been learning MFC for many years, but not other languages, is basically a deep hold-up. I remember there was an old hedgehog in the Ice Age, and the flood was coming, and he hid in the hole. "I am born in this hole and I will die in this hole." Persistence is a quality, stubborn and old-fashioned is another matter. This is a good lesson for beginners.Why are there many students who have just graduated from the university to study MFC?Because their teacher is the pers