kakaku.com speed test — 20 Oct 2026

Measured from the wfix.shop server on 20 October 2026 at 14:03 UTC. Grade B (85/100), with the screenshots, the timings and the fixes that matter.

https://kakaku.com/

20 October 2026 at 14:03 UTC · Free test · report pt_66a85be99147
Grade
B
85/100
Performance86/100
Structure83/100

13 audit(s) passed, 3 need work

First byte (TTFB)492 msmeasured from this server
Fully loaded2.99 sfirst byte + slowest asset
Requests26document + assets
Page weight264.9 KBcompressed transfer
HTML document18.1 KBgzip
ProtocolHTTP/2cloudflare
Third-party246.8 KBother hosts

Where the first byte went

  • DNS lookup 85 ms 17%
  • TCP connect 36 ms 7%
  • Server wait 371 ms 75%

Measured on the connection that fetched the HTML. Every other request on the page waits for the end of this bar before it can start.

How this page compares

First byteslower than 54% of 4,999 pages tested here492 ms against a median of 448 ms
Page weightlighter than 74% of 4,999 pages tested here264.9 KB against a median of 650.5 KB
Fully loadedslower than 82% of 4,999 pages tested here2.99 s against a median of 1.84 s
Requestssends more requests than 100% of 4,999 pages tested here26 against a median of 26

Every report published here is in this comparison, so it is a reference population of pages tested from one server - not a benchmark of the whole web.

What these numbers mean

  • The first byte arrived in 492 ms. That is workable, and the cheapest win left is caching or a warmer connection.
  • The page transfers 264.9 KB over 26 request(s). Images files are 93% of it, so resize and recompress the largest images before anything else.
  • The HTML itself arrives gzip-compressed.
  • It runs over HTTP/2, so the assets share a connection instead of opening one each.
  • 93% of the weight comes from other hosts (analytics, fonts, embeds), which also means their slow day becomes your slow day.
  • The largest element took 6.00 s to paint, past the 2.5 s threshold: usually a hero image that is too big or a render-blocking script in front of it.
  • The main thread was blocked for 202 ms, so taps and scrolling wait while scripts run.

Fix first: Server response time (TTFB) - Cut server think time: page cache, query indexes, fewer synchronous calls to third parties inside the request. Connection setup is distance, so a nearer region or a CDN edge helps instead.

Read on one shared server, not a visitor's phone: use it to compare pages against each other, not as a promise about every connection. We fix what these tests find.

Screenshot

What the page looks like

Loaded in headless Chromium on this server. Click an image to open it full size.

Mobile screenshot of kakaku.com
Mobile 390 × 844 · 276.8 KB · page is 4288 px tall

Browser render

The same URL loaded in a real browser, so these are the readings curl cannot produce. The grade above is still built from the server measurements.

Largest contentful paint6.00 sgood is under 2.5 s
Cumulative layout shift0.000under 0.1 is stable
Total blocking time202 mslong tasks during load
First contentful paint1.77 sfirst content on screen
Browser page weight3.29 MB363 request(s), scripts included
Failed requests24blocked or unreachable
Largest contentful paint6.00 s
Poorgood under 2.5 s, poor over 4 s
Cumulative layout shift0.000
Goodgood under 0.1, poor over 0.25
Total blocking time202 ms
Needs improvementgood under 200 ms, poor over 600 ms

Page weight by type

What the page is made of

Images 25 requests
246.8 KB 93%

Transfer size, compressed as sent. 26 request(s) in total, 264.9 KB across all of them.

Top issues

Server response time (TTFB)

high impact

The first byte arrived after 492 ms. Of that, 371 ms was the server thinking and 121 ms was connection setup. A first byte under 400 ms is what a visitor feels as instant.

Fix: Cut server think time: page cache, query indexes, fewer synchronous calls to third parties inside the request. Connection setup is distance, so a nearer region or a CDN edge helps instead.

Render-blocking resources

high impact

7 render-blocking resource(s) in the document head (5 script(s), 2 stylesheet(s)). The page cannot paint until each one arrives.

Fix: Add defer or async to scripts that do not change the first paint, inline the critical CSS, and load the rest with media="print" plus an onload swap.

Third-party weight

medium impact

1 third-party host(s) serve 246.8 KB of this page. Each one is another DNS lookup, TLS handshake and point of failure you do not control.

Fix: Self-host the libraries you can, drop the tags you cannot justify, and preconnect the ones you keep.

Waterfall

Slowest requests

IMAGESimg1.kakaku.k-img.com/images/productimage/m/K0001619113.jpg
2.50 s
IMAGESimg1.kakaku.k-img.com/images/home/ranking/img_whole_ranking_…
2.28 s
IMAGESimg1.kakaku.k-img.com/images/pc/note-pc/specialists_laptop/b…
2.12 s
IMAGESimg1.kakaku.k-img.com/images/maga/icv/pc170/19616/thumbnail_…
2.02 s
IMAGESimg1.kakaku.k-img.com/images/productimage/m/K0001490677.jpg
1.91 s
IMAGESimg1.kakaku.k-img.com/images/home/ranking/img_whole_ranking_…
1.90 s
IMAGESimg1.kakaku.k-img.com/images/maga/icv/pc170/22263/thumbnail_…
1.89 s
IMAGESimg1.kakaku.k-img.com/Images/prdnews/2026102/T20261020115312…
1.84 s
IMAGESimg1.kakaku.k-img.com/images/home/logo_home.png
1.84 s
IMAGESimg1.kakaku.k-img.com/Images/prdnews/2026102/T20261020104517…
1.81 s

Each bar is one request's own response time, scaled to the slowest. Assets were fetched in parallel, so the bars overlap in real time rather than stacking. first party third party

RequestTypeStatusTimeSize
https://img1.kakaku.k-img.com/images/productimage/m/K0001619113.jpg 3rd partyimages2002.50 s1.2 KB
https://img1.kakaku.k-img.com/images/home/ranking/img_whole_ranking_S0001048211.jpg 3rd partyimages2002.28 s41.7 KB
https://img1.kakaku.k-img.com/images/pc/note-pc/specialists_laptop/bnr/170x170.png 3rd partyimages2002.12 s19.9 KB
https://img1.kakaku.k-img.com/images/maga/icv/pc170/19616/thumbnail_l.jpg 3rd partyimages2002.02 s2.6 KB
https://img1.kakaku.k-img.com/images/productimage/m/K0001490677.jpg 3rd partyimages2001.91 s1.1 KB
https://img1.kakaku.k-img.com/images/home/ranking/img_whole_ranking_S0001048200.jpg 3rd partyimages2001.90 s37.7 KB
https://img1.kakaku.k-img.com/images/maga/icv/pc170/22263/thumbnail_l.jpg 3rd partyimages2001.89 s4.6 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020115312_989_.jpg 3rd partyimages2001.84 s4.6 KB
https://img1.kakaku.k-img.com/images/home/logo_home.png 3rd partyimages2001.84 s4.4 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020104517_5_.jpg 3rd partyimages2001.81 s4.3 KB
https://img1.kakaku.k-img.com/images/productimage/m/K0001170377.jpg 3rd partyimages2001.79 s1.6 KB
https://img1.kakaku.k-img.com/images/hikaku/bnr/300x70.png 3rd partyimages2001.78 s37.0 KB
https://img1.kakaku.k-img.com/images/maga/icv/pc170/22455/thumbnail_l.jpg 3rd partyimages2001.78 s4.1 KB
https://img1.kakaku.k-img.com/images/kakagood/bnr_300x70x.png 3rd partyimages2001.77 s14.1 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020161828_723_.jpg 3rd partyimages2001.77 s3.6 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020122151_245_.jpg 3rd partyimages2001.77 s4.7 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020143935_398_.jpg 3rd partyimages2001.76 s4.5 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020115536_15_.jpg 3rd partyimages2001.75 s4.2 KB
https://img1.kakaku.k-img.com/images/home/serach_btn-2.png 3rd partyimages2001.75 s2.8 KB
https://img1.kakaku.k-img.com/Images/prdnews/2026102/T20261020154857_345_.jpg 3rd partyimages2001.75 s2.3 KB
https://img1.kakaku.k-img.com/images/kakagood/bnr_214x80x.png 3rd partyimages2001.74 s10.2 KB
https://img1.kakaku.k-img.com/images/maga/icv/pc170/22454/thumbnail_l.jpg 3rd partyimages2001.74 s6.8 KB
https://img1.kakaku.k-img.com/images/pc/journal/lp-00002/bnr/170x170.png 3rd partyimages2001.74 s11.8 KB
https://img1.kakaku.k-img.com/images/home/ranking/img_whole_ranking_S0001048937.jpg 3rd partyimages2001.73 s8.8 KB
https://img1.kakaku.k-img.com/images/maga/icv/pc170/22506/thumbnail_l.jpg 3rd partyimages2001.68 s8.2 KB
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