Benchmark: JWT Decode vs Standard cookie pull regex vs select value

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

window.testCookie = "features=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWUsImlhdCI6MTUxNjIzOTAyMn0.KMUFsIDTnFmyG3nMiGM6H9FNFUROf3wh7SmqJp-QV30; SameSite=None; Secure; monsterfeatures=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJuZXZlcl9nb25uYSI6eyJnaXZlX3lvdV91cCI6dHJ1ZSwibGV0X3lvdV9kb3duIjp0cnVlLCJydW5fYXJvdW5kIjp0cnVlLCJkZXNlcnRfeW91Ijp0cnVlLCJtYWtlX3lvdV9jcnkiOnRydWUsInNheV9nb29kYnllIjp0cnVlLCJ0ZWxsX2FfbGllIjp0cnVlLCJodXJ0X3lvdSI6dHJ1ZX19.6koygZP5DnSgnB0dz7o3hrdruZBSrb0LIHLJbO-rPKU; SameSite=None; Secure";

window.getCookie = (name) => {
    const value = `; ${window.testCookie}`;
    const parts = value.split(`; ${name}=`);
    if (parts.length === 2) return parts.pop().split(';').shift();
}

Tests:

Atob decode
var features = window.getCookie('features'); let decodedData = false; function jwtDecode(t) { let token = {}; token.raw = t; token.header = window.atob(t.split('.')[0]); token.payload = window.atob(t.split('.')[1]); return token; } try { decodedData = features === undefined ? false : jwtDecode('features'); // decode the string } catch (e) {} let result = decodedData ? decodedData.payload.includes('free:true') : false;
Check for value in cookie
var features = window.getCookie('features'); features.includes('eyJ');
No header decode
var features = window.getCookie('features'); let decodedData = false; function jwtDecode(t) { let token = {}; token.raw = t; token.payload = window.atob(t.split('.')[1]); return token; } try { decodedData = features === undefined ? false : jwtDecode('features'); // decode the string } catch (e) {} let result = decodedData ? decodedData.payload.includes('free:true') : false;
longer string decode
var features = window.getCookie('monsterfeatures'); let decodedData = false; function jwtDecode(t) { let token = {}; token.raw = t; token.header = window.atob(t.split('.')[0]); token.payload = window.atob(t.split('.')[1]); return token; } try { decodedData = features === undefined ? false : jwtDecode('features'); // decode the string } catch (e) {} let result = decodedData ? decodedData.payload.includes('free:true') : false;
jwt select a value
var features = window.getCookie('features'); let decodedData = false; function jwtDecode(t) { let token = {}; token.raw = t; token.header = window.atob(t.split('.')[0]); token.payload = window.atob(t.split('.')[1]); return token; } try { decodedData = features === undefined ? false : jwtDecode('features'); // decode the string } catch (e) {} let result = decodedData ? decodedData.payload[5] : false;
cookie select a value
var features = window.getCookie('features'); features[5];

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

cookie select a value

4.8M/s

Check for value in cookie

4.7M/s

No header decode

305K/s

Atob decode

296K/s

longer string decode

285K/s

jwt select a value

273K/s

Fastest: cookie select a value (17.5x faster)

View exact numbers

✓ cookie select a value: 4,793,087 ops/sec
• Check for value in cookie: 4,740,533 ops/sec
• No header decode: 305,239 ops/sec
• Atob decode : 295,849 ops/sec
• longer string decode : 284,950 ops/sec
• jwt select a value: 273,145 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Atob decode
Check for value in cookie
No header decode
longer string decode
jwt select a value
cookie select a value

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Browser/OS: Chrome 144 on Mac OS X 10.15.7

View result in a separate tab

Check for value in cookie

4.7M/s

cookie select a value

4.7M/s

No header decode

296K/s

longer string decode

279K/s

Atob decode

273K/s

jwt select a value

273K/s

View exact numbers

Test name	Executions per second
✓ Check for value in cookie	4,740,533 Ops/sec
cookie select a value	4,662,960 Ops/sec
No header decode	295,674 Ops/sec
longer string decode	278,911 Ops/sec
Atob decode	273,351 Ops/sec
jwt select a value	272,880 Ops/sec

JWT Decode vs Standard cookie pull regex vs select value (version: 1)

Check the JWT decode

Comparing performance of: `Atob decode vs Check for value in cookie vs No header decode vs longer string decode vs jwt select a value vs cookie select a value`

Created: 6 months ago by: Registered User

Go to the latest result

Atob decode

Check for value in cookie

No header decode

longer string decode

jwt select a value

cookie select a value

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

JWT Decode vs Standard cookie pull regex vs select value (version: 1)

Check the JWT decode

Comparing performance of: Atob decode vs Check for value in cookie vs No header decode vs longer string decode vs jwt select a value vs cookie select a value

Created: 6 months ago by: Registered User

Go to the latest result

Atob decode

Check for value in cookie

No header decode

longer string decode

jwt select a value

cookie select a value

Historical Performance Data aggregated from 5 community runs

Desktop Results:

Chrome 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `Atob decode vs Check for value in cookie vs No header decode vs longer string decode vs jwt select a value vs cookie select a value`