Most of what you listed is GOOD NEWS FOR THOSE THAT ARE IN THE PC REPAIR AND SERVICE INDUSTRY.
With the decline in PC sales, I hope everyone tries this out. My friends at the service counters world wide owe you lunch for this year!
Bob
Personal Computers can be vulnerable and in need of careful maintenance.
There are always sweet talks and exaggerated advertisements selling PC maintenance tools.
So?
We need it and we cannot trust it 100%,
in which case the only way we can choose is to test and find our favourite according to our needs.
As an experienced PC user and professional technician,
I have tested different kinds of PC maintenance software and compared their performances.
The form below is a summary for your reference.
1. Size of installer:
(1) Wise Care 365---[7.93M ]
(2) CCleaner---[4.19M ]
(3) Advanced SystemCare Ultimate---[59.4M ]
(4) SpeedUpMyPC---[1.26M ]
(5) PowerSuite---[1.44M ]
(6) Glary Utilities---[15.1M ]
++++++++++++++++++++++++++++
2. Size after installed:
(1) Wise Care 365---[25.1M]
(2) CCleaner---[11.4M ]
(3) Advanced SystemCare Ultimate---[157M ]
(4) SpeedUpMyPC---[25.6M ]
(5) PowerSuite---[79.6M ]
(6) Glary Utilities---[40M ]
++++++++++++++++++++++++++++
3. Memory occupied:
(1) Wise Care 365---[6.6~12M ]
(2) CCleaner---[4.8~7M ]
(3) Advanced SystemCare Ultimate---[31~81M ]
(4) SpeedUpMyPC---[60~140M ]
(5) PowerSuite---[100~105M ]
(6) Glary Utilities---[59~90M ]
++++++++++++++++++++++++++++
4. CPU Utilization:
(1) Wise Care 365---[2%~ 25% ]
(2) CCleaner---[2%~ 25% ]
(3) Advanced SystemCare Ultimate---[10%~ 25% ]
(4) SpeedUpMyPC---[5%~ 28% ]
(5) PowerSuite---[10%~ 25% ]
(6) Glary Utilities---[10%~ 26% ]
++++++++++++++++++++++++++++
5. Scan Speed:
(1) Wise Care 365---[4s ]
(2) CCleaner---[4s ]
(3) Advanced SystemCare Ultimate---[5m ]
(4) SpeedUpMyPC---[1m ]
(5) PowerSuite---[35s ]
(6) Glary Utilities---[20s ]
++++++++++++++++++++++++++++
6. Processes:
(1) Wise Care 365---[1~2 ]
(2) CCleaner---[ 1]
(3) Advanced SystemCare Ultimate---[5~6 ]
(4) SpeedUpMyPC---[1~2 ]
(5) PowerSuite---[1~2 ]
(6) Glary Utilities---[1~ 2]
++++++++++++++++++++++++++++
7. Threads:
(1) Wise Care 365---[4~11 ]
(2) CCleaner---[5~7 ]
(3) Advanced SystemCare Ultimate---[52~70 ]
(4) SpeedUpMyPC---[49~113 ]
(5) PowerSuite---[30~32 ]
(6) Glary Utilities---[ 28~32]
I just hope you can add more indices to the comparison form, which can help everyone out there to choose the right software and maintain top PC performance.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic