Thomson Reuters provides lists of journal titles which are indexed by ISI Web of Science. However, these lists only contain journal titles and ISSNs without any information related to their ranking and impact factor. To find out both information, you must observe the Journal Citation Reports (JCR) of each title. What JCR is and why JCR is important were described in 2010 Journal Citation Reports - Available Now.
JCR contains not only the journal ranking and impact factor, but also quantitative and statistical evaluations of the journal based on citation data. Thomson Reuters applies a policy that JCR is a confidential report, therefore only subscribed readers can access it.
Step-1: Open JCR Home site
If you are online using your campus internet network (which subscribes to ISI Thomson), you can directly connect to JCR HOME site. JCR front interface is shown below:

JCR contains not only the journal ranking and impact factor, but also quantitative and statistical evaluations of the journal based on citation data. Thomson Reuters applies a policy that JCR is a confidential report, therefore only subscribed readers can access it.
Step-1: Open JCR Home site
If you are online using your campus internet network (which subscribes to ISI Thomson), you can directly connect to JCR HOME site. JCR front interface is shown below:
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