Benchmark webp vs png for images on enwiki main page

benchmark_webp

#!/usr/bin/env bash


while IFS= read -r URL ; do
  echo "$URL"
  echo "WEBP:"
  wrk -c1 -t1 -d5 -H 'accept: image/webp' --latency "$URL"
  echo ""
  echo "PNG:"
  wrk -c1 -t1 -d5 --latency "$URL"
  echo ""
  echo ""
done < <(shuf urls.txt)
exit

curl_bench() {
  FORMAT="size_download=%{size_download} bytes ; speed_download=%{speed_download} bytes/sec ; time_total=%{time_total}s speed_download=%{speed_download}s\n"
  URL=https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/70px-Wikibooks-logo.svg.png
  echo "webp:"
  for i in {1..10} ; do
    curl "$URL" --silent --header 'accept: image/webp' --compressed --write-out "$FORMAT" --output a_image
  done

  echo ""

  echo "png:"
  for i in {1..10} ; do
    curl "$URL" --silent --compressed --write-out "$FORMAT" --output b_image
  done
}

# wrk2 -c1 -t1 -d30 -R2 --latency "$URL"

urls.txt

https://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017.svg/82px-Wikiversity_logo_2017.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/102px-Wikinews-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/54px-Wikinews-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/51px-Wikisource-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/70px-Wikisource-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/70px-Wikispecies-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/70px-Wikibooks-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/46px-Wikiquote-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/70px-Wikiquote-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/54px-Wikidata-logo.svg.png
https://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/94px-Wikidata-logo.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/70px-Wiktionary-logo-v2.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/40px-Commons-logo.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/62px-Commons-logo.svg.png