The Apache server's module mod_rewrite is typically used to rewrite one URL to turn it into another one. Long URLs full of hard-to-read character strings are cumbersome and may actually impede your search engine rankings. This article illustrates how you can make use of very sparse mod_rewrite syntax to efficiently manipulate URLs for your SEO campaigns.
Pay-per-click (PPC) search engines are gaining in importance dramatically: the Overture (formerly GoTo) paid search results are featured on most major search engines now (e.g. MSN, AOL, AltaVista, Lycos, etc.), while high traffic meta engines like Dogpile and Mamma have resorted to biasing their findings towards several competing PPC engines. In Europe, ESpotting has effectively cornered the market. Welcome though the traffic generated by paid rankings may be, it can also cost you a bundle. Don't throw your money out of the window – by heeding our tips, you may well save hundreds if not thousands of dollars a month!
If you happen to use Google's proprietary NOSNIPPET meta tag the search results pages will only display your web page's title and the URL. No other page content will be displayed. However, this does not deactivate Google's standard caching function, thus constituting a prime decloaking hazard unless you know exactly what you're doing.
Fighting the never ending tide of spam mail can turn into a very frustrating experience if you don't know the real tricks of the trade. After all, there's a whole lot more to it than simply responding to a (usually bogus) From: address with a peevish complaint! Here's a fairly extensive overview of resources that will aid you in effectively combatting unsolicited email, showing you the possibilities (and, alas, the limits) of your endeavor.
Switching web providers or installting a new server entails migrating all your domain's web pages and other files. Here's a method to simplify your migration and slash unnecessary workload overhead in the process.
When a URL is called which isn't pointing to a file but merely to a directory, the server will look for the default documents. This, of course, will inadvertently reveal document names to your visitor which can then be downloaded directly. There are basically two methods to protect your server from this security leak.
Cron is a mechanism for planning and scheduling batch jobs. Implemented on Unix systems, you can use it to schedule automatic submission of URLs to search engines. This takes the hassle out of regular and/or recurring submissions.
This short tutorial covers the cloaking of web page meta tags, which follows a different procedure than the IP delivery and full page cloaking method commonly employed for high grade stealthing.
– MultiHTML vulnerability
– Mail File vulnerability
In the first instalment of this series we will discuss two major, albeit little known security vulnerabilities all too common with many web programs.
the Search Engines
Contrary popular belief you can safely put a fair amount of invisible text on your web page. Find out how.
Russian version
From Harvesters and Spammers
Prevent the harvest bots from scanning your pages for spam fodder.
Use this neat online tool.
Great anti code napping tip.
The Apache Server Power Commander
Rule Conditions
Rewriting URLs
Special Directives and Examples