Amoy: Website Optimization Barometer IIS log file

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The contents of the IIS log file show the trace that is left behind whether a search engine or a user logs on to your Web server. The data for the IIS log is critical to an SEO practitioner who learns to read IIS logs. Learn to analyze IIS logs and adjust the Web site optimization strategy according to the log content, then we will study the role of the log file.

The primary record in the IIS log file is "who" visited your site, the main content is: users (including search engine spiders) at what time through your server which port access to the site under the domain name of which path, by accessing this path after the server status code for how many, through the status code spiders do what the corresponding action. The log folder names for each server or space are different, typically log folders or logfile folders, which can be downloaded via FTP. The most common status codes are: 200 (successful access and download page display download KB quantity), 301 (Permanent redirect), 304 (Access page no change), 400 (Error request), 403 (server reject request), 404 (Dead Link), 500 (server internal error), 503 (Service Unavailable ) and so on. These status codes must be memorized by the SEO optimizer and will be adjusted in time according to the status code.

A website official on-line after the first job is to submit their website URL and description to search engine landing, the general search engine received the URL will automatically send the spider program (or robot program) to your site crawling. Of course, this is the ideal state, under normal circumstances also need you to cloth spider bait to attract spiders crawling your site address. Then when the spider arrives at your site and starts crawling along the front page, it leaves a log record. By looking at the logs, we can find out which search engines have crawled through which spider IP servers to crawl through the paths of your sites and see the changes in crawling every day.

Site online early every day to update the content of the site, add new articles to enrich the site, only when spiders crawl your site will download and return to the search engine server for analysis and index, but crawling is not equal to be included, the site contains a lot of conditions we do not study here, but did not climb anything can not talk about. When the spider to crawl your site left behind the log can be analyzed to what path spiders crawl, and what paths are not crawled, this time is your site to adjust the optimization and outside the chain construction of the best guidance.

The search engine spider actually also plays the user's role to visit your website, Web site early spider access frequency will be very low, but as the site continues to gain weight after the spider's access frequency will increase, through different server status code to determine the health of your site, if your site appears regular server instability, A large number of 404 dead links, site update frequency is very slow, spiders will imitate the user to determine the site user experience is not good, if not timely adjustment brings the consequences of the site down right. This is also a lot of people site down the right to find no reason why.

Every day the IIS log shows that the spider crawl is increasing and congratulations on your Web site entering a growing and growing stage, on the contrary, the number of spiders crawling gradually lowered the site needs to make adjustments, the general spider crawl frequency less crawl path less after the fall of the right to descend, That is why the weight of the site every day every hour every minute spiders to crawl site data, when the high weight of the site updated a new article why the search engine quickly included.

Understanding and interpreting the IIS log is related to the survival of the site, through the analysis of the log can be as far as possible to avoid the right, only grasp the dynamics of spiders to make your site more weight, the site keyword ranking better. Each server's operating system is different, the corresponding log file display is not the same, when the overall crawling data is very similar, the site's user experience and development in your hands. This article originates from http://http://www.zhaojinseo.com/stationmaster: Zhaojin. If you need to reprint please indicate the source, at the same time welcome you to visit Zhaojin SEO Blog and give comments and suggestions.