Optimize for Performance

## NOTE:

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## Issue Type

- [ ] Bug Report
- [ ] Feature Request
- [x] Enhancement
- [ ] Other (Please specify)

## Description

Optimize the grab function for performance, especially in the browser environment.

## Details

- [ ] Reduce redundant header settings by caching defaults.
- [ ] Minimize string concatenations for URL construction.
- [ ] Benchmark the function's performance with various configurations.

## Reproduction Steps (For Bug Reports)

1. [Step 1]
2. [Step 2]
3. [Step 3]

## Expected Behavior (For Bug Reports)

[Describe what you expected to happen.]

## Actual Behavior (For Bug Reports)

[Describe what actually happened.]

## Additional Information

[Include any additional information that may help in resolving the issue, such as screenshots, logs, or any related links.]

## Would you like to contribute to fixing this issue?

- [ ] Yes
- [ ] No

## Related Pull Requests (if any)

[Link to any related pull requests, if applicable.]

## Failure Logs

Please include any relevant log snippets or files here.

**Note:** Please make sure to follow the project's code of conduct and contribution guidelines when creating an issue. Thank you for contributing to our open-source project!

Start by locating the grab function and its browser-facing implementation. Review how default headers and URLs are currently built, then benchmark the function with varied configurations; done means the proposed performance changes are measured and regressions are covered.

Written by the indexing model from the issue text.