2022年新版《Google搜索引擎优化入门指南》 .pdf

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1、2010 新版 Google 搜索引擎优化入门指南(英文版 ) 由 http:/ Engine Optimization Starter Guide This document first began as an effort to help teams within Google, but we thought itd be just as useful to webmasters that are new to the topic of search engine optimization and wish to improve their sites interaction with b

2、oth users and search engines. Although this guide wont tell you any secrets thatll automatically rank your site first for queries in Google (sorry!), following the best practices outlined below will make it easier for search engines to crawl, index and understand your content. Search engine optimiza

3、tion is often about making small modifications to parts of your website. When viewed individually, these changes might seem like incremental improvements, but when combined with other optimizations, they could have a noticeable impact on your sites user experience and performance in organic search r

4、esults. Youre likely already familiar with many of the topics in this guide, because theyre essential ingredients for any web page, but you may not be making the most out of them. Even though this guides title contains the words search engine, wed like to say that you should base your optimization d

5、ecisions first and foremost on whats best for the visitors of your site. Theyre the main consumers of your content and are using search engines to find your work. Focusing too hard on specific tweaks to gain ranking in the organic results of search engines may not deliver the desired results. Search

6、 engine optimization is about putting your sites best foot forward when it comes to visibility in search engines, but your ultimate consumers are your users, not search engines. Your site may be smaller or larger than our example site and offer vastly different content, but the optimization topics w

7、e discuss below should apply to sites of all sizes and types. We hope our guide gives you some fresh ideas on how to improve your website, and wed love to hear your questions, feedback, and success stories in the Google Webmaster Help Forum. Welcome to Googles Search Engine Optimization Starter Guid

8、e Table of Contents 4 6 8 10 14 16 18 2 0 1 22 4 6 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 27 页 - - - - - - - - - 8 3 0 Googlebot Crawling content on the Internet for Googles index every day, every night, non stop. From here on, Ill be explaining various

9、 points on search engine optimization (SEO)! SEO Basics Create unique, accurate page titles Make use of the description meta tag Improving Site Structure Improve the structure of your URLs Make your site easier to navigate Optimizing Content Offer quality content and services Write better anchor tex

10、t Optimize your use of images Use heading tags appropriately Dealing with Crawlers Make effective use of robots.txt Be aware of rel=nofollow for links SEO for Mobile Phones Notify Google of mobile sites Guide mobile users accurately Promotions and Analysis Promote your website in the right ways Make

11、 use of free webmaster tools An example may help our explanations, so weve created a fictitious website to follow throughout the guide. For each topic, weve fleshed out enough information about the site to illustrate the point being covered. Heres some background information about the site well use:

12、 Website/business name: Brandons Baseball Cards Domain name: Focus: Online-only baseball card sales, price guides, articles, and news content Size: Small, 50 pages “Paid” Search, AdWordsOrganic Search Search engine optimization affects only organic search results, not paid or sponsored results such

13、as Google AdWords. Create unique, accurate page titles SEO Basics Glossary Indicate page titles by using title tags Page title contents are displayed in search results (1) The title of the homepage for our baseball card site, which lists the business name and three main focus areas. 名师资料总结 - - -精品资料

14、欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 27 页 - - - - - - - - - Brandons Baseball Cards - Buy Cards, Baseball News, Card Prices (2 ) A user performs the query baseball cards. Our homepage shows up as a result, with the title listed on the first line (notice that the quer

15、y terms the user searched for appear in bold). If the user clicks the result and visits the page, the pages title will appear at the top of the browser. (3 ) A user performs the query rarest baseball cards. A relevant, deeper page (its title is unique to the content of the page) on our site appears

16、as a result. A title tag tells both users and search engines what the topic of a particular page is. The tag should be placed within the tag of the HTML document (1). Ideally, you should create a unique title for each page on your site. If your document appears in a search results page, the contents

17、 of the title tag will usually appear in the first line of the results (if youre unfamiliar with the different parts of a Google search result, you might want to check out the anatomy of a search result video by Google engineer Matt Cutts, and this helpful diagram of a Google search results page). W

18、ords in the title are bolded if they appear in the users search query. This can help users recognize if the page is likely to be relevant to their search (). The title for your homepage can list the name of your website/business and could include other bits of important information like the physical

19、 location of the business or maybe a few of its main focuses or offerings (). Search engine Computer function that searches data available on the Internet using keywords or other specified terms, or a program containing this function. tag An element that indicates the header in an HTML document. The

20、 content of this element will not be displayed in a browser. HTML Abbreviation for HyperText Markup Language, a language used when describing web page documents. It denotes the basic elements of web pages, including the document text and any hyperlinks and images embedded within. Search query Single

21、 or multiple terms which are input by the user when performing a search on search engines. 4 SEO Basics Improving Site Structure Optimizing Content Dealing with Crawlers SEO for Mobile Phones Promotions and Analysis Links The anatomy of a search result 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - -

22、- - - - - 名师精心整理 - - - - - - - 第 3 页，共 27 页 - - - - - - - - - http:/ 007/11/anatomy-of-search-result.html Diagram of a Google search results page http:/ 5891 Best Practices Page titles are an important aspect of search engine optimization. Choose a title that effectively communicates the topic of th

23、e pages content. Accurately describe the pages content choosing a title that has no relation to the content on the page using default or vague titles like Untitled or New Page 1 Avoid: Create unique title tags for each page Each of your pages should ideally have a unique title tag, which helps Googl

24、e know how the page is distinct from the others on your site. using a single title tag across all of your sites pages or a large group of pages Avoid: Use brief, but descriptive titles Titles can be both short and informative. If the title is too long, Google will show only a portion of it in the se

25、arch result. using extremely lengthy titles that are unhelpful to users stuffing unneeded keywords in your title tags Avoid: 5 Make use of the description meta tag SEO Basics Glossary Summaries can be defined for each page What are the merits of description meta tags? (1) The beginning of the descri

26、ption meta tag for our homepage, which gives a brief overview of the sites offerings. Brandons Baseball Cards - Buy Cards, Baseball News, Card Prices (2 ) A user performs the query baseball cards. Our homepage appears as a result, with part of its description meta tag used as the snippet. (3 ) A use

27、r performs the query rarest baseball cards. One of our deeper pages, with its unique description meta tag used as the snippet, appears as a result. A pages description meta tag gives Google and other search engines a summary of what the page is about (1). Whereas a pages title may be a few words or

28、a phrase, a pages description meta tag might be a sentence or two or a short paragraph. Google Webmaster Tools provides a handy content analysis section thatll tell you about any description meta tags that are either too short, long, or duplicated too many times (the same information is also shown f

29、or tags). Like the tag, the description meta tag is placed within the tag of your HTML document. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 27 页 - - - - - - - - - Description meta tags are important because Google might use them as snippets for your pages.

30、Note that we say might because Google may choose to use a relevant section of your pages visible text if it does a good job of matching up with a users query. Alternatively, Google might use your sites description in the Open Directory Project if your site is listed there (learn how to prevent searc

31、h engines from displaying ODP data). Adding description meta tags to each of your pages is always a good practice in case Google cannot find a good selection of text to use in the snippet. The Webmaster Central Blog has an informative post on improving snippets with better description meta tags. Wor

32、ds in the snippet are bolded when they appear in the users query (). This gives the user clues about whether the content on the page matches with what he or she is looking for. () is another example, this time showing a snippet from a description meta tag on a deeper page (which ideally has its own

33、unique description meta tag) containing an article. Snippet Text displayed beneath the title of a corresponding web page on the search results pages of a search engine. A web page summary and/or parts of the page that match the search keywords will be displayed. Open Directory Project (ODP) The worl

34、ds largest volunteer-run web directory (a list of Internet links collected on a large scale and then organized by category). Domain An address on the Internet that indicates the location of a computer or network. These are administrated to avoid duplication. 6 SEO Basics Improving Site Structure Opt

35、imizing Content Dealing with Crawlers SEO for Mobile Phones Promotions and Analysis Links Content analysis section http:/ 007/12 /new-content-analysis-and-sitemap.html Prevent search engines from displaying ODP data http:/ 52 64 Improving snippets with better description meta tags http:/ site: opera

36、tor http:/www.brianwhite.org/007/04/7/google-site-operator-an-ode-to-thee/ Best Practices Use description meta tags to provide both search engines and users with a summary of what your page is about! Accurately summarize the pages content writing a description meta tag that has no relation to the co

37、ntent on the page using generic descriptions like This is a web page or Page about baseball cards filling the description with only keywords copying and pasting the entire content of the document into the description meta tag Avoid: 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - -

38、 - - - - - 第 5 页，共 27 页 - - - - - - - - - Write a description that would both inform and interest users if they saw your description meta tag as a snippet in a search result. Use unique descriptions for each page using a single description meta tag across all of your sites pages or a large group of

39、pages Avoid: Having a different description meta tag for each page helps both users and Google, especially in searches where users may bring up multiple pages on your domain (e.g. searches using the site: operator). If your site has thousands or even millions of pages, hand-crafting description meta

40、 tags probably isnt feasible. In this case, you could automatically generate description meta tags based on each pages content. 7 Improve the structure of your URLs Improving Site Structure Glossary Simple-to-understand URLs will convey content information easily URLs are displayed in search results

41、 (1) A URL to a page on our baseball card site that a user might have a hard time with. (2 ) The highlighted words above could inform a user or search engine what the target page is about before following the link. (3 ) A user performs the query baseball cards. Our homepage appears as a result, with

42、 the URL listed under the title and snippet. Creating descriptive categories and filenames for the documents on your website can not only help you keep your site better organized, but it could also lead to better crawling of your documents by search engines. Also, it can create easier, friendlier UR

43、Ls for those that want to link to your content. Visitors may be intimidated by extremely long and cryptic URLs that contain few recognizable words. URLs like (1) can be confusing and unfriendly. Users would have a hard time reciting the URL from memory or creating a link to it. Also, users may belie

44、ve that a portion of the URL is unnecessary, especially if the URL shows many unrecognizable parameters. They might leave off a part, breaking the link. Some users might link to your page using the URL of that page as the anchor text. If your URL contains relevant words, this provides users and sear

45、ch engines with more information about the page than an ID or oddly named parameter would (). Lastly, remember that the URL to a document is displayed as part of a search result in Google, below the documents title and snippet. Like the title and snippet, words in the URL on the search result appear

46、 in bold if they appear in the users query (). To the right is another example showing a URL on our domain for a page containing an article about the rarest baseball cards. The words in the URL might appeal to a search user more than an ID number like 12 5/ would. Google is good at crawling all type

47、s of URL structures, even if theyre quite complex, but spending the time to make your URLs as simple as possible for both users and search engines can help. Some webmasters try to achieve this by rewriting their dynamic URLs to static ones; while Google is fine with this, wed like to note that this

48、is an advanced procedure and if done incorrectly, could cause crawling issues with your site. To learn even more about good URL 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 27 页 - - - - - - - - - structure, we recommend this Webmaster Help Center page on crea

49、ting Google-friendly URLs. Crawl Exploration of websites by search engine software (bots) in order to index their content. Parameter Data provided in the URL to specify a sites behavior. ID (session ID) Data provided for the identification and/or behavior management of a user who is currently access

50、ing a system or network communications. 01 redirect An HTTP status code (see page 12 ). Forces a site visitor to automatically jump to a specified URL. Subdomain A type of domain used to identify a category that is smaller than a regular domain (see page 6). Root directory Directory at the top of th