Improve performance of splitting the netloc on cache miss

[bdraco]

No description provided.

[codspeed-hq]

CodSpeed Performance Report

Merging #1338 will not alter performance

_{Comparing raw_host (f379998) with master (7cdbf04)}

Summary

✅ 81 untouched benchmarks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.06%. Comparing base (7cdbf04) to head (f379998).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1338      +/-   ##
==========================================
+ Coverage   95.99%   96.06%   +0.06%     
==========================================
  Files          27       27              
  Lines        5441     5434       -7     
  Branches      336      336              
==========================================
- Hits         5223     5220       -3     
+ Misses        192      188       -4     
  Partials       26       26              

Flag	Coverage Δ
CI-GHA	96.06% <100.00%> (+0.06%)	⬆️
MyPy	44.43% <77.77%> (+0.07%)	⬆️
OS-Linux	99.21% <100.00%> (-0.01%)	⬇️
OS-Windows	99.26% <100.00%> (-0.01%)	⬇️
OS-macOS	98.94% <100.00%> (-0.01%)	⬇️
Py-3.10.11	98.92% <100.00%> (-0.01%)	⬇️
Py-3.10.15	99.17% <100.00%> (-0.01%)	⬇️
Py-3.11.10	99.17% <100.00%> (-0.01%)	⬇️
Py-3.11.9	98.92% <100.00%> (-0.01%)	⬇️
Py-3.12.7	99.17% <100.00%> (-0.01%)	⬇️
Py-3.13.0	99.17% <100.00%> (-0.01%)	⬇️
Py-3.9.13	98.87% <100.00%> (-0.01%)	⬇️
Py-3.9.20	99.12% <100.00%> (-0.01%)	⬇️
Py-pypy7.3.16	99.16% <100.00%> (-0.01%)	⬇️
Py-pypy7.3.17	99.19% <100.00%> (-0.01%)	⬇️
VM-macos-latest	98.94% <100.00%> (-0.01%)	⬇️
VM-ubuntu-latest	99.21% <100.00%> (-0.01%)	⬇️
VM-windows-latest	99.26% <100.00%> (-0.01%)	⬇️
pytest	99.21% <100.00%> (-0.01%)	⬇️

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[bdraco]

Doesn't look to be worth it anyways