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Google PageSpeed is a family of tools by Google, Inc. designed to help optimize website performance. It was introduced at a Developer Conference in 2010. There are four main components of PageSpeed family tools: PageSpeed Module (consisting of mod PageSpeed for the Apache HTTP Server and NGX PageSpeed for the Nginx), PageSpeed Insights, PageSpeed Service, and the PageSpeed Chrome DevTools ...
The target value, T, of the quality characteristic. Upper control limit. Lower control limit. Plotted statistic. In statistical quality control, the CUSUM (or cumulative sum control chart) is a sequential analysis technique developed by E. S. Page of the University of Cambridge. It is typically used for monitoring change detection. [ 1]
The 24 Hours of Le Mans (French: 24 Heures du Mans) is an endurance-focused sports car race held annually near the town of Le Mans, France. [1] It is widely considered to be one of the world's most prestigious races, [2] [3] and is one of the races—along with the Monaco Grand Prix and Indianapolis 500—that form the Triple Crown of Motorsport, and is also one of the races alongside the 24 ...
Proportional–integral–derivative controller. A proportional–integral–derivative controller ( PID controller or three-term controller) is a control loop mechanism employing feedback that is widely used in industrial control systems and a variety of other applications requiring continuously modulated control.
Shift-left testing. Shift-left testing[ 1] is an approach to software testing and system testing in which testing is performed earlier in the lifecycle (i.e. moved left on the project timeline). It is the first half of the maxim "test early and often". [ 2] It was coined by Larry Smith in 2001. [ 3][ 4]
Comparison: The extracted layout netlist is then compared to the netlist taken from the circuit schematic. If the two netlists match, then the circuit passes the LVS check. At this point it is said to be "LVS clean." (Mathematically, the layout and schematic netlists are compared by performing a Graph isomorphism check to see if they are ...
A cumulative flow diagram is a tool used in queuing theory. It is an area graph that depicts the quantity of work in a given state, showing arrivals, time in queue, quantity in queue, and departure. According to the Project Management Body of Knowledge (7th edition) by the Project Management Institute (PMI), Cumulative Flow Diagram (CFD) is a ...
t. e. In mathematical analysis, the Dirac delta function (or δ distribution ), also known as the unit impulse, [1] is a generalized function on the real numbers, whose value is zero everywhere except at zero, and whose integral over the entire real line is equal to one. [2] [3] [4] Since there is no function having this property, modelling the ...