IGoogle isanda kumemezela ukuthi iqembu elenziwe ngonjiniyela balo abambalwa likwazile ukudala lokho abazibiza ngakho ngokwabo Guetzli, isoftware abazuze ngayo ngokoqobo ukunciphisa usayizi wamafayela we-JPEG ngama-35%. Into enhle kakhulu ngale algorithm akukhona ukuthi zonke izinhlobo zezithombe manje zihlala kancane kuma-hard drive ethu, okuthile amanye ama-algorithm asevele ekufezile, kepha ukuthi ikhwalithi yesithombe ithuthuka kakhulu.
Elinye iphuzu elibaluleke kakhulu futhi elifinyelelwe ngale software ukuthi izithombe ze-JPEG ezicindezelwe nge-algorithm entsha ye-Google ye-Guetzli ngokuphelele iyahambisana nazo zonke iziphequluli, amadivayisi kanye nezinhlelo zokusebenza zokuhlela isithombe ezikhona namuhla emakethe, into engazange yenzeke nezinye izinhlobo zesoftware, nayo eyenziwe yinkampani phambilini, njenge-WebP noma i-WebM compression systems.
IGoogle yenza izithombe ezicindezelwe zeJPEG zibe nesisindo esincane ngenkathi zithuthukisa ikhwalithi yazo.
Ukuya kuzici ezikhona kule algorithm, njengoba ishicilelwe, ngokusobala onjiniyela bayo banqume ukugxila kufayela le- isigaba sokucindezelwa sokulinganisa, okungukuthi, kuleyo nqubo ngaphakathi kokucindezelwa kwesithombe lapho kuzanywa khona ukunciphisa inani elikhulu kakhulu lemininingwane ephikisiwe ekhona esithombeni ukudala idatha e-odiwe. Le nqubo, ngokuvamile, inciphisa ukwehluleka kombala.
Ukufeza lokhu i-algorithm yangaphakathi entsha ebizwa ngokuthi UButteraugli okwathi, kusekelwe ohlelweni lokucubungula okubonakalayo lomuntu ukunikela ngekhwalithi ephezulu yesithombe kuyo yonke imininingwane, ngaleyo ndlela kufinyelelwe ukulinganiselwa kombala okuphelele kunokusebenzisa amanye ama-encoders.