Avatar for the withastro user
withastro
astro
BlogDocsChangelog

feat: add the `experimental.optimizeShiki` option to reduce the bundle size of `<Code />` components

#15678
Comparing
rururux:shiki-optimize-bundle-size
(
307c5f3
) with
main
(
c62516b
)
CodSpeed Performance Gauge
0%
Untouched
18

Benchmarks

18 total
Rendering: streaming [true], .mdx file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
+1%
582.6 ms579.1 ms
large-array (BufferedRenderer per child)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
173 ms172.9 ms
many-slots (eager slot prerendering)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
5.6 ms5.6 ms
Rendering: streaming [true], .astro file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
0%
226.4 ms226.3 ms
many-components [streaming]
benchmark/bench/rendering-perf.bench.js::Rendering perf (streaming)
CodSpeed Performance Gauge
0%
8.2 ms8.2 ms
large-array [streaming]
benchmark/bench/rendering-perf.bench.js::Rendering perf (streaming)
CodSpeed Performance Gauge
0%
152.9 ms152.8 ms
many-expressions [streaming]
benchmark/bench/rendering-perf.bench.js::Rendering perf (streaming)
CodSpeed Performance Gauge
0%
24.8 ms24.8 ms
many-head-elements (head dedup)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
5.1 ms5.1 ms
many-expressions (renderChild dispatch, escapeHTML)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
25.4 ms25.4 ms
static-heavy (markHTMLString baseline)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
6.9 ms6.9 ms
Rendering: streaming [false], .md file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
many-components (markHTMLString, isHTMLString, validateProps)
benchmark/bench/rendering-perf.bench.js::Rendering perf (non-streaming)
CodSpeed Performance Gauge
0%
8.9 ms8.9 ms
Rendering: streaming [true], .md file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
0%
1.2 ms1.2 ms
Build: full server site
benchmark/bench/build-server.bench.js::Bench build time
CodSpeed Performance Gauge
0%
8.6 s8.6 s
Rendering: streaming [false], .astro file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
0%
204.3 ms205 ms
Rendering: streaming [false], .mdx file
benchmark/bench/render.bench.js::Bench rendering
CodSpeed Performance Gauge
0%
576.1 ms578.8 ms
Build: full static site
benchmark/bench/build-static.bench.js::Bench build time
CodSpeed Performance Gauge
-1%
3.6 s3.7 s
Build: hybrid site (static + server)
benchmark/bench/build-hybrid.bench.js::Bench build time
CodSpeed Performance Gauge
-3%
8.4 s8.7 s

Commits

Click on a commit to change the comparison range
Base
main
c62516b
-0.04%
suppress dev logs and add bundle optimization tests
193f41f
2 months ago
by rururux
+10.3%
Merge branch 'main' into shiki-optimize-bundle-size
e7fd26e
2 months ago
by rururux
+0.95%
remove redundant selector for 'pre'
889dae6
2 months ago
by rururux
-11.22%
Merge branch 'main' into shiki-optimize-bundle-size
77e4dbe
1 month ago
by rururux
-0.25%
Fix formatting in dev-only.d.ts
307c5f3
16 hours ago
by rururux
© 2026 CodSpeed Technology
Home Terms Privacy Docs