搜索引擎是一个庞大的知识库，里面的信息鱼龙混杂，如何才能快速的找的自己需要的信息？如何运用搜索引擎自带的搜索功能巧妙的查看网站近期收录情况、寻找外链发布平台等。今天我们就来聊聊两个好用的搜索技巧： Search engine is a huge knowledge base, the good and evil people mixed up inside information, how to quickly find the information you need? How to use the search engine's own clever search function to see the recent website situation, looking for publishing platform outside the chain, etc. Today we talk about two good search skills: 一、搜索引擎高级搜索工具 An advanced search tool and search engine 搜索引擎的高级搜索工具你用过吗？这对于网站推广人员来说可是个好东西。讲解好处之前，我们先找到高级搜索怎么操作的，以百度为例，主要有两种方法： The search engine's advanced search tools you used? It's a good thing for site popularization personnel. Before explaining benefits, let's find how advanced search operation, baidu, for example, there are two main methods: 1、直接进入百度首页->设置->高级搜索; 1, direct access to baidu home page - > Settings - > advanced search; 　　 ↓↓↓ Left left left 2、输入关键词，在搜索结果页面点击“搜索工具”; 2, input keywords in the search results page, click on the "search tool"; 　　 ↓↓↓ Left left left 从上面的截图我们可以看见，高级搜索中的细分做的非常的详细，包含了不同的维度，如时间、匹配、位置、指定网站搜索等;所以SEO的小伙伴注意了，使用高级搜索的好处来了，比如： From the screenshot above we can see that in the advanced search segmentation do very detailed, contains different dimensions, such as time, matching, the location, the designated site search, etc.; So SEO friends pay attention to, the benefits of using the advanced search, such as: 1、查看自己网站的最近收录; 1, view their website recently, included; 　　 可以对搜索结果进行时间段的选择，比如我们在查询收录的时候，可以限制一段时间，一天，一周，一月等，这样的好处能够快速帮助我们判断搜索引擎对于网站的收录频率。 Can choose time of the search results, such as when we were in a query, included, can restrict a period of time, day, week, month, etc., the benefits of this can help us quickly determine search engine for web site included the frequency. 2、过滤不想要的搜索结果; 2, filtering unwanted search results; 我们可以利用高级搜索工具对搜索结果页面进行筛选，比如我们查询“seo”关键词，但是我们不想看出现seo外包、seo公司、seo查询这一类的网站，此时我们就可以在限制关键词中添加“外包 查询 公司”即可;　 We can use advanced search tool to filter the search results page, for example, we query keywords "seo", but we don't want to see outsourcing seo, seo, seo company of this kind of site, at this point we can "query" outsourcing company is added in the restricted keywords; 3、快速查找需要文档; 3, quickly find needed documents; 有时候我们经常会在网上找一些专业的文档资料，如word，ppt，pdf等，这个时候我们也可以借助高级搜索工具快速实现，比如我们想找seo教程的pdf文档，见图：　 Sometimes, we often find some professional online documentation, such as word, PPT, PDF, etc., this time we can also use the advanced search tool rapid implementation, for example, we want to find seo tutorial PDF documents, as shown in figure: 二、使用高级搜索指令 Second, using the advanced search commands 其实高级搜索指令的搜索结果，大都可以通过上面所介绍的高级搜索工具完成。区别在于一个是可视化的，一个是需要输入指令完成的。掌握一些基本的指令搜索能提高工作效率。下面就来介绍几种在百度中常见的高级搜索指令： Actually advanced search instructions of the search results, most can be done through the introduction of the advanced search tool above. The difference is that one is visual, one is the need to input commands. Master some basic instructions search can improve the work efficiency. Here is to introduce several kinds of common advanced search in baidu command: 1、site 1, the site 格式：site:域名，主要用于查询网站收录，seo中经常会用得到，但是数据仅供参考，准确的索引量可以在百度站长后台中查看; Format: site: domain name, it is mainly used for query website, seo is often applied, but the data are for reference only, accurate index quantity can view in baidu adsense background; 2、domain 2, the domain 格式：domain:域名，相关域查询，会检索出搜索引擎索引库中，页面中包含查询域名的结果;以前我们经常用于查询网站的反链; Format: domain: domain name, related domain query, retrieves the search engine index repository, page contains the result of the query domain name; We often used to query website before the chain; 3、inurl 3, inurl 格式：inurl:字符串，字面上理解就是“在url中”，也就是说url必须包含我们查询的字符串信息才能被筛选出来，比如“inurl:bbs”，我们就能快速的筛选出论坛; Format: inurl: string, literally "in the url, that is to say the url must contain information of the query string can be selected, such as" inurl: BBS ", we can quickly screen out BBS; 4、intitle 4, too 格式：intitle:字符串，字面上理解就是“在title中”，也就是说title必须包含我们查询的字符串信息才能被筛选出来，比如“intitle:网站运营”，我们就能快速的筛选出和网站运营相关的网站; Format: intitle: string, is literally "in the title of", that is to say the title must contain information of the query string can be selected, such as "intitle: website operation", we will be able to rapid screening and website operation sites; 5、filetype 5, filetype 格式：filetype:文档类型 关键词，如“filetype:pdf seo”，能够帮助我们快速筛选出和seo有关的pdf文档; Format: filetype: document type Key words, such as "filetype: PDF seo", can help us to quickly screen out and seo related PDF document; 6、减号“-” 6, a minus sign "-" 格式“关键词1 -关键词2”减法指令，和上面的高级搜索工具的过滤功能差不多，如“苹果 -手机”就不会显示苹果手机的信息了，而是水果; Format 1-2 keywords "keywords" subtraction instructions, and the filter function is the same as the advanced search tools, such as "apple - mobile phone" information will not display the apple mobile phone, but the fruit;