"Reprint" from the site internal analysis of the impact crawler crawl

A site only crawler crawl, to be included, there are snapshots, there are rankings. So search engine crawler on the site of the crawl situation directly determines the success or failure of a website SEO. Today the author from the site itself to analyze those factors will affect the search engine crawler crawling:
1, Website speed Impact crawler Access
Engine room-dns Server-cdn-egress Bandwidth--hardware-operating system-Server Software-Programs
The location of the computer room: best choice of the line near the crawler
DNS server: Hot, stable (recommended dnspod)
CDN: When doing website log analysis, remember to count it in.
Export bandwidth: Avoid the same computer room with the large flow site
Hardware: Use a high-profile, economically-enabled
Operating system: Recommended Linux, stable and secure
Program: safe, high efficiency, meet the standards
2, nofollow tag use control crawler crawl
Nofollow is the link that tells the search engine not to track the weight without passing it.
Nofollow off each page repeat the link and to SEO worthless page, reduce the crawler repeatedly crawl each page redundant links, improve crawler crawl rate, increase the crawl of important pages.
How to use: Rel= "nofollow"
3. Other factors that affect crawler crawling
Firewall rules, anti-attack settings, anti-capture rules settings. Some sites for the security of the site, in frequent visits after the automatic disconnection, may cause the crawler to be rejected.
Hard disk Speed: In many cases, some friends will split the server hard disk, the partition out of the disk for other testing purposes. This results in slow drive speed, which affects crawler access speed.

"Reprint" from the site internal analysis of the impact crawler crawl