This week, the overall grades of three Internet and Web Service stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Active Network‘s (NYSE:ACTV) rating falls this week to a F (“strong sell”), down from last week’s D (“sell”). Active Network provides organization-based cloud computing applications services to business customers in North America, Europe, and internationally. For Portfolio Grader’s specific subcategory of Equity, ACTV also gets an F. The stock price has dropped 22.1% over the past month, worse than the 1.3% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of ACTV stock.

Open Text Corp.‘s (NASDAQ:OTEX) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Open Text provides intranet, extranet, and corporate portal solutions to organizations located throughout the world. The stock also gets an F in Earnings Growth. As of Nov. 2, 2012, 16.7% of outstanding Open Text Corp. shares were held short. The stock currently has a trailing PE Ratio of 25.30. For a full analysis of OTEX stock, visit Portfolio Grader.

The rating of Carbonite Inc. (NASDAQ:CARB) slips from a D to a F. Carbonite, Inc. provides online backup solutions for consumers and small and medium sized businesses. The stock gets F’s in Equity and Cash Flow. As of Nov. 2, 2012, 10.3% of outstanding Carbonite Inc. shares were held short. To get an in-depth look at CARB, get Portfolio Grader’s complete analysis of CARB stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.