Tools & Wizards About Us
japansuper.com screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

japansuper.com

Japan Super - Japanese food, groceries and gourmet gifts - buy online in USA

Page Load Speed

1.6 sec in total

First Response

243 ms

Resources Loaded

1.3 sec

Page Rendered

138 ms

japansuper.com screenshot

About Website

Welcome to japansuper.com homepage info - get ready to check Japan Super best content for United States right away, or after learning these important things about japansuper.com

Japan Super - secure on-line shopping of authentic Japanese food and groceries. Shipped anywhere in the continental USA by FedEx, UPS or USPS

Visit japansuper.com

Key Findings

We analyzed Japansuper.com page load time and found that the first response time was 243 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

japansuper.com performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

japansuper.com

243 ms

www.japansuper.com

526 ms

jsuper.css

126 ms

japansuper_logoTEMP-9179.jpg

425 ms

takuhaiTEMP-4309.jpg

189 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 80% of them (35 requests) were addressed to the original Japansuper.com, 9% (4 requests) were made to Platform.twitter.com and 5% (2 requests) were made to Sealserver.trustwave.com. The less responsive or slowest element that took the longest time to load (526 ms) belongs to the original domain Japansuper.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.8 kB (7%)

Content Size

303.1 kB

After Optimization

281.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Japansuper.com main page is 303.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 279.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.4 kB

  • Original 21.0 kB
  • After minification 20.8 kB
  • After compression 4.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.4 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 3.4 kB

  • Original 279.2 kB
  • After minification 275.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Japan Super images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 366 B

  • Original 782 B
  • After minification 762 B
  • After compression 416 B

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 366 B or 47% of the original size.

CSS Optimization

-78%

Potential reduce by 1.7 kB

  • Original 2.1 kB
  • After minification 2.1 kB
  • After compression 471 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Japansuper.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

41

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Japan Super. According to our analytics all requests are already optimized.

Network Requests Diagram

japansuper.com

japansuper.com

243 ms

www.japansuper.com

www.japansuper.com

526 ms

jsuper.css

jsuper.css

126 ms

japansuper_logoTEMP-9179.jpg

japansuper_logoTEMP-9179.jpg

425 ms

takuhaiTEMP-4309.jpg

takuhaiTEMP-4309.jpg

189 ms

si.js

si.js

7 ms

seal.js

seal.js

20 ms

bakery1TEMP80x80-5118.jpg

bakery1TEMP80x80-5118.jpg

132 ms

beverage1TEMP80x80-6266.jpg

beverage1TEMP80x80-6266.jpg

139 ms

candy4TEMP80x80-6986.jpg

candy4TEMP80x80-6986.jpg

186 ms

deli5TEMP80x80-1042.jpg

deli5TEMP80x80-1042.jpg

213 ms

fish2TEMP80x80-6149.jpg

fish2TEMP80x80-6149.jpg

214 ms

fishegg1TEMP80x80-9301.jpg

fishegg1TEMP80x80-9301.jpg

214 ms

fishprod4TEMP80x80-2623.jpg

fishprod4TEMP80x80-2623.jpg

214 ms

furikake3TEMP80x80-1523.jpg

furikake3TEMP80x80-1523.jpg

246 ms

grocery3TEMP80x80-2532.jpg

grocery3TEMP80x80-2532.jpg

248 ms

kitchen5TEMP80x80-9263.jpg

kitchen5TEMP80x80-9263.jpg

255 ms

meat3TEMP80x80-6228.jpg

meat3TEMP80x80-6228.jpg

258 ms

miso5TEMP80x80-2671.jpg

miso5TEMP80x80-2671.jpg

272 ms

mochi1TEMP80x80-6565.jpg

mochi1TEMP80x80-6565.jpg

307 ms

noodle4TEMP80x80-1586.jpg

noodle4TEMP80x80-1586.jpg

310 ms

okazu1TEMP80x80-4384.jpg

okazu1TEMP80x80-4384.jpg

319 ms

rice4TEMP80x80-8738.jpg

rice4TEMP80x80-8738.jpg

322 ms

sauces2TEMP80x80-5921.jpg

sauces2TEMP80x80-5921.jpg

341 ms

seasoning2TEMP80x80-4094.jpg

seasoning2TEMP80x80-4094.jpg

369 ms

seaweed4TEMP80x80-1092.jpg

seaweed4TEMP80x80-1092.jpg

371 ms

snacks5TEMP80x80-2646.jpg

snacks5TEMP80x80-2646.jpg

385 ms

soup1TEMP80x80-3459.jpg

soup1TEMP80x80-3459.jpg

386 ms

sushi2TEMP80x80-5476.jpg

sushi2TEMP80x80-5476.jpg

405 ms

tea3TEMP80x80-2178.jpg

tea3TEMP80x80-2178.jpg

419 ms

tofu3TEMP80x80-3255.jpg

tofu3TEMP80x80-3255.jpg

430 ms

tsukemono1TEMP80x80-4798.jpg

tsukemono1TEMP80x80-4798.jpg

432 ms

bulk2TEMP80x80-7511.jpg

bulk2TEMP80x80-7511.jpg

446 ms

gourmet2TEMP80x80-5383.jpg

gourmet2TEMP80x80-5383.jpg

450 ms

taru-sm.jpg

taru-sm.jpg

472 ms

mms-logo.jpg

mms-logo.jpg

479 ms

sakehouse_link.jpg

sakehouse_link.jpg

490 ms

seal_image.php

seal_image.php

3 ms

widgets.js

widgets.js

100 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

61 ms

settings

settings

71 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

25 ms

embeds

embeds

21 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

34 ms

Accessibility Review

japansuper.com accessibility score

57

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

japansuper.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

japansuper.com SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Japansuper.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Japansuper.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

japansuper.com

Open Graph description is not detected on the main page of Japan Super. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: