The overall ratings of 10 internet and web service stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Marketo, Inc. (MKTO) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. For Portfolio Grader’s specific subcategory of Equity, MKTO also gets an F. As of Jan. 29, 2015, 10.8% of outstanding Marketo, Inc. shares were held short. For more information, get Portfolio Grader’s complete analysis of MKTO stock.

This week, Unwired Planet, Inc.’s (UPIP) rating worsens to a D from the company’s C rating a week ago. Unwired Planet develops patents that allow mobile devices to connect to the Internet. The stock gets F’s in Earnings Revisions and Equity. To get an in-depth look at UPIP, get Portfolio Grader’s complete analysis of UPIP stock.

Support.com, Inc.’s (SPRT) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). Support.com provides cloud-based services and software solutions. In Earnings Growth, Earnings Momentum, Margin Growth and Sales Growth the stock gets F’s. The stock has a trailing PE Ratio of 98.00. For more information, get Portfolio Grader’s complete analysis of SPRT stock.

The rating of Demand Media, Inc. (DMD) declines this week from a D to an F. Demand Media operates as a content and social media company in the United States that identifies, creates, distributes, and monetizes content. The stock gets F’s in Equity, Cash Flow and Sales Growth. To get an in-depth look at DMD, get Portfolio Grader’s complete analysis of DMD stock.

This week, E2open, Inc. (EOPN) drops from a D to an F rating. E2open develops and deploys enterprise software cloud solutions for businesses. The stock gets F’s in Equity and Cash Flow. As of Jan. 29, 2015, 10.8% of outstanding E2open, Inc. shares were held short. For more information, get Portfolio Grader’s complete analysis of EOPN stock.

The rating of Actua Corporation (ACTA) slips from a C to a D. The stock also gets an F in Equity. To get an in-depth look at ACTA, get Portfolio Grader’s complete analysis of ACTA stock.

iPass’ (IPAS) rating weakens this week, dropping to an F versus last week’s D. iPass offers enterprise mobility services on a global basis by providing services that simply, smartly and openly facilitate network access from mobile devices while providing the enterprise with visibility and control over their mobile ecosystem. The stock gets F’s in Earnings Revisions, Equity, Cash Flow and Sales Growth. For more information, get Portfolio Grader’s complete analysis of IPAS stock.

Velti (VELT) earns an F this week, moving down from last week’s grade of D. Velti is a global provider of mobile marketing and advertising solutions. The stock gets F’s in Earnings Growth and Earnings Momentum. To get an in-depth look at VELT, get Portfolio Grader’s complete analysis of VELT stock.

The rating of Angie’s List, Inc. (ANGI) slips from a D to an F. Angie’s List engages in collections of consumer reviews on local service providers ranging from home improvement to healthcare. The stock also rates an F in Cash Flow. As of Jan. 29, 2015, 14.3% of outstanding Angie’s List, Inc. shares were held short. For more information, get Portfolio Grader’s complete analysis of ANGI stock.

VeriSign, Inc. (VRSN) earns a D this week, moving down from last week’s grade of C. VeriSign provides Internet infrastructure services to various networks worldwide. The stock also gets an F in Earnings Momentum. As of Jan. 29, 2015, 16.4% of outstanding VeriSign, Inc. shares were held short. To get an in-depth look at VRSN, get Portfolio Grader’s complete analysis of VRSN 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.