Thetwo-componentbroad-bandspectralenergydistributionsofblazarsweresuggestedtoformasequenceinwhich ( 1 ) thepeakfrequencyofthelow-energy ( synchrotron ) component \nu _ { syn } isanticorrelatedwiththesynchrotronluminosity L _ { syn } , ( 2 ) theluminosityratioofthehigh-energy ( inverseCompton ) tosynchrotroncomponents q = L _ { IC } / L _ { syn } ( Comptondominance ) increaseswith L _ { syn } fromtheBLLacobjects ( BLLacs ) totheflatspectrumradioquasars ( FSRQs ) .TheComptondominanceparameterisanimportantprobeofplasmamagnetisationintheblazarzoneswithinrelativisticjets.WeinvestigateasampleofblazarsdetectedbyWISEinthemid-infrared ( MIR ) bandandbyFermi/LATintheGeVgamma-rayband , withthefocusonthedistributionofluminositiesandphotonindices.Ourfindingsarethefollowing : ( 1 ) theMIRphotonindex \Gamma _ { W 12 } isausefulprobeoftheblazarsequence , withtheexceptionoflow-luminosityBLLacsthataremostlikelycontaminatedbytheirhostgalaxies ( L _ { W 1 } \sim 10 ^ { 44 } { erg s ^ { -1 } } and \Gamma _ { W 12 } < 1 ) ; ( 2 ) \Gamma _ { W 12 } iscorrelatedwiththegamma-rayphotonindex \Gamma _ { 1 - 100 GeV } , withtheMIRluminosity L _ { W 1 } , andwiththeFermi/WISEComptondominance q _ { FW } = L _ { 1 GeV } / L _ { W 1 } ; ( 3 ) acleanseparationbetweenFSRQsandBLLacscanbeseenintheparameterspaceof \Gamma _ { W 12 } and q _ { FW } ; ( 4 ) theobserveddistributionofMIRluminosity L _ { W 1 } vs.Comptondominance q _ { FW } fortheentiresampleofblazarscanbemodelledasasequenceoflepto-magneticjetpowersintherange \log _ { 10 } P _ { eB } \in [ 42 : 45 ] withthepreferenceforsub-equipartitionmagneticfields P _ { B } / P _ { e } \in [ 0.05 : 1 ] , assumingfixedbulkLorentzfactor \Gamma _ { j } = 15 , fixedjetopeningangle \Gamma _ { j } \Theta _ { j } = 0.3 , fixedradiativeefficiencyofjetelectrons \epsilon _ { em } = 50 \% , andthatexternalradiationluminosityscaleslike L _ { ext } \propto P _ { eB } ^ { 1.6 } ( parameterdegeneraciesarediscussed ) .