First, I should say that I have read all of the threads regarding urls in Google with no title and no description. Here is my personal case study.
I have an established website that has been indexed in Google for over one year. It is a PR4. It has Dmoz/Google directory links. Until recently, my website was completely static. All pages were .php pages, but they were not dynamically populated. These static php pages were basically html pages because none of the content was pulled from a database. All of these pages were indexed in Google with a title and description.
On 3/17/04, I launched a completely dynamic php/mysql website on this url. The new structure of the dynamic website basically includes "news" and "guides". This is a sample of what the url's look like:
News Related URL's
Guide Related URL's
In addition to adding new dynamic content with the above url structure, I also left the original static content on the website because it was already in Google, and was bringing in traffic.
On 3/27/04, GoogleBot visited and picked up all of my new dynamic content. About 9 news pages, and 11 guides. Immediately, this content was in Google, with titles and descriptions. The old content remained in Google as well, also with titles and descriptions. I was pretty happy.
Over the past 20 days or so, I have added some more "news" content, but no other "guides" content. Today, I noticed my referrals were down significantly. On performing a "site:www.domain.com" search in Google, it appears that while the recent "news" content that I have added to my website in the past few days is indexed with title and description in Google, NONE of the news OR guide content that was indexed on 3/27/04 has a title or description in Google. Unfortunately, Google ONLY shows the url. The weird thing, is that up until just a few days ago, I know for a fact that Google had titles AND descriptions for all of this dynamic content. It's like the titles and descriptions for this dynamic content were there, and then they just vanished overnight.
Interestingly, all of the original (old) static pages are still indexed in Google with title/description.
I don't know what's going on with Google. I would submit that there is a problem with titles and descriptions for dynamic content, BUT there is an exception prohibiting me from making this conclusion. When I launched the new dynamic site, I added ONE new static .php page (the content for this page is NOT pulled from a database). This single page WAS ranking in google w/ title and description only a few days ago. Today, BOOM! -- it's gone. Only the URL is visible in Google.
Therefore, I believe the problem exists because the content is new. I don't think this no title / no description problem has anything to do with the age of the domain. I think the problem has to do with the age of the content. What I don't understand is why Google would index the new content WITH titles/descriptions and then, a few days later, only show the URLs.
Any ideas or suggestions?