Topic: Web cache

SEO

How to increase your PageSpeed in WordPress

With over 59% of websites using WordPress as a CMS, optimizing them to load quickly is a good idea. Contributor Dave Davies walks through key steps and shows how to optimize a WordPress site for Google PageSpeed.

SEO

Twitter Not Giving Access To Private Tweets

Is Twitter allowing search engines access to protected tweets or not? Not, Twitter tells me, though the company probably needs to do a bit more to prevent this type of confusion in the future. The LA Times reported yesterday about a “Twitter hole” that it believed allowed Google special access to protected tweets, tweets made […]

Report: Hacked Pages Remain In Search Engines’ Caches

Search Engine Journal reports that online security firm Aladdin Knowledge Systems identified a potential “flaw, which allows the search engines to deliver malicious pages that have already been removed from the web.” What that means as a practical matter is that hacked pages, which have already been taken down or otherwise cleaned up, may still […]

The Case Of The Missing White House Cached Page On Google

In my story about Google’s new content removal tools, I highlighted the fact that anyone can potentially wipe out the cached copy of a page, even if they aren’t the page’s author. To illustrate this, I was going to use as an example how the official George W. Bush page’s cached copy could get nixed. […]

Finding Search Engine Freshness & Crawl Dates

A reader emailed me today noticing that Google was showing a date next to his listing, which made me think this was a good time to revisit how, when and where search engines show crawl dates for pages. These dates are a useful way for site owners to understand how often they are being revisited […]