Internet-based mortgage originations in the first quarter of 2005 increased 8 percent over the same period in 2004, according to a new analysis and ranking by Inside Mortgage Technology. Countrywide Financial continued to lap the rest of the field, posting a 30.9 percent market share. The company’s estimated total online volume of $58.5 billion was up more than 14 percent from the first quarter of 2004. …