首页的关键词密度不可忽视，检测一下首页关键词密度是否能够达到2%~5%这个区间值，最高上限不要超过8%，否则会判定会作弊，2%~5%是合理正常的一个范围。

这个现象到处都是，那么这里的“缝纫机”在首页、内容页就重复了。百度排名竞争很激烈的，如果一个网站有多个页面在竞争，除非你的域名非常好，否则只能有一个页面排在前面，否则效果不如首页集权好。

另外还有一个区别。当一个网站要实现在线注册、交易、存储等等功能时，就一定会安装“SSL安全证书”，而如果没有这些需求，就没有太大的必要额外安装。

Arper is an Italian company producing and distributing office, home and contract sector furniture worldwide. Arper is fulfilling an entrepreneurial project dating to 1989 that grew out of leather workshop founded by Luigi Feltrin, the company President. The creativity and passion of the founder together with the research and innovation promoted by his sons Mauro and Claudio – now company Managing Director - are the qualities distinguishing a company offering interdisciplinary expertise and strong organisational and managerial skills.