Table 2—As you can see, searching for and replacing tags consumes the most time. To serve a single web page, 19 frames are sent and received.
| Task | Times run | Accumulated time (milliseconds) |
| Search and replace tags | 6 | 23.8 |
| Copy buffers | 8 | 9.1 |
| Write to CS8900A | 11 | 4.6 |
| Parse incoming HTTP headers | 2 | 4.5 |
| Compute checksums | 38 | 4.4 |
| Read from CS8900A | 8 | 0.6 |
| TCP state machine | 8 | 0.4 |
| Total time | 47.4 | |