believes that this way is not conducive to the optimization of the site, in fact, such a registered user can read the content of the way to look more rigorous, Unless it is a highly confidential content that can be executed, for most sites, visitors should be free to browse the content of the site, but for some of the attachment of the download function or other special functions to limit, the advantage is to attract tourists, on the other hand, can
Crawl strategy: Those pages are we need to download, those are no need to download, those pages are our priority to download, defined clearly, can save a lot of unnecessary crawling. Update policy: Monitor the list page to discover new pages, periodically check the page for expiration, and so on. Extract policy: How do we extract what we want from the Web page, n
The problem the search engine has to deal with is to return a list of page information that matches the user's query within an acceptable time list, which includes three parts: title, URL, description, or summary.
Modern large-scale search engine generally uses three-stage workflow, namely: Web Page collection, prepro
This article is an example of the PHP implementation to determine whether access routing is a search engine robot method. Share to everyone for your reference. The specific analysis is as follows:
Many times we need to identify the site visitors, for real users and search engines for different actions to achieve, then first need to judge whether the
August 05, 2012, iveely Search Engine 0.1.0 released, today, with the pursuit of the future, finally, 0.7.0 as scheduled and we met, 7 versions, lasted 2 years 4 months, thank you for your support, thank me for not abandon the comrades Weiqi, struggle to the late night, Give up the weekend of social, for 0.7.0 as scheduled, thank Bogdan P Sliwowski , your support, let our passion and dream closer. To
been tested by me for a month and cannot be implemented, spider does not crawl pages.2. Using third-party log analysis tools, such as awstats in linux and Webalizer in windows, has obvious disadvantages. For example, if you are a VM user, because there are a lot of logs generated every day, it is very painful to download log files during each analysis. At the same time, these software is too professional and not suitable for general webmasters.3. If
This article mainly introduces PHP in InnoDB engine under the rapid generation of full-text search function, can be based on the open source search engine Xunsearch implementation, concise description of the installation and use of the steps and related operating skills, the PHP operation of the
positive feedback and suggestions. We have also continuously improved and improved the python data source, the application scope of sphsf-/ coreseek is expanded from the known world to the unknown world, and its application scenarios reach infinite possibilities. Therefore, obviously, the development process of sphworkshop/coreseek will continue (and may continue until the end of the world ).DownloadThe original version of sphenders can be downloaded from the official sphenders website http://w
Many people are now living on the internet, and online search data is a daily must do homework. Our most popular search engine is generally Google, Baidu these mainstream. But if you want to search for a certain type, such as a specific file, report, and so on to use the alternative
Search engine principle, the search engine workflow from the big aspect has three points: data collection, preprocessing, query services, here and you share data preprocessing, the proposed explanation is, which involves some professional vocabulary, in my blog is added anchor text, there is no, do not understand can s
Search engine is a traffic transfer station, search engine is just a reversal of volume, this SEO should be particularly clear to the people. The final flow of search engines will still come to the site, many sites to accumulate users or
results of multiple engines at the same time in a single search!
Note: The search results are invalid because the categories of some engines use relative connections. (You can handle these results, but I am too lazy, so I don't want to spend that time), but the connection between all websites and webpages is effective. The Code provided in this article is only suitable for testing and not for specific appl
Collect and summarize the commonly used search engine crawler IP addresses for your reference only:
Baidu crawler IP list220.181.108.100180.149.130 .*220.181.51 .*123.125.71 .*180.76.5.66
Google crawler list66.249.64.5067.221.235 .*66.249.68 .*66.249.67 .*203.208.60 .*66.249.72 .*66.249.71 .*
Yisearch183.60.213.6183.60.214.13
Sogou crawler list220.181.94.231220.181.94.229220.181.94.223220.181.125.71220
Search engine principle, the search engine workflow from the big aspect has three points: data collection, preprocessing, query service, here and everyone to share the data preprocessing, the propose is, which involves a number of professional vocabulary, in my blog is added anchor text, there is no, see not understand
that uses all text information of a document as the retrieval object. The retrieved object may be the title of the article, the author of the article, or the abstract or content of the article.
3. Sphinx features
? High-speed indexing (nearly 10 MB/s on the new CPU );
? High-speed search (the average query speed of 2-4G text is less than 0.1 seconds );
? High Availability (up to 100 GB of text and MB of documents can be supported on a single CPU );
region. You can click to find a specific Street.
9.2 bar code Query
You can enter a product barcode to find the product description.
9.3 flight Query
You can enter the name and flight number of an airline to obtain the departure location and destination, departure time and arrival time of the flight, and the actual sailing status. Do you want to check the ticket, the hatch number at the destination terminal building.
9.4 license plate number query
Enter the license plate number to o
People who know about nutch basically appreciate this open-source system, at least in China, and many search websites are modified based on this system, but they must do well, it is actually a commercial search, and this modification is not just overnight, or as simple as repairing and cutting. As a general network-wide search
I recently read the book "Search Engine-principles, technologies and systems" and downloaded the source code of the prototype system-Peking University Skynet search engine TSE. There was no foundation for search engines or web development experience before, and everything wa
be the title of the article, the author of the article, or the abstract or content of the article.
3. Sphinx features
? High-speed indexing (nearly 10 MB/s on the new CPU );
? High-speed search (the average query speed of 2-4G text is less than 0.1 seconds );
? High Availability (up to 100 GB of text and MB of documents can be supported on a single CPU );
? Provides a good correlation ranking
? Supports distributed
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