Can the impact factor consider absolutly for measuring the powerful of scientific journals? or there are many other factors can be added for journal strength measurement .
No, because the number of citations depends strongly on the field of study. Basically, the impact factor can be taken into consideration only for the same field or subfield of study because citations conventions vary greatly across disciplines. For instance, for the same article quality, an article in biology will have considerably more citations than an article on mathematics, where researchers don't cite as much. The same goes for subfields of computer science which may differ considerably.
Also, take into account that specialized journals have a much lower impact factor than more generalized journals, it would be like comparing apples and oranges.
Impact factor should be considered as one factor not the major factor to measure researchers’ scientific output and journals' quality.
Several brilliant researchers who concentrate their publications in their home country, especially those who publish in their own language, I mean not in English, are in disadvantage because the majority of high impact factor journals are written only in English. Off course, to publish in English is almost mandatory nowadays, but other metrics/factors should be used by funding agencies to decide whether a research/project deserves support.
The same applies to national journals that often publish research with quality and/or relevant for their region/country and, because they are not indexed in the Web of Science, do not receive any credit or visibility.
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