Tools & Wizards About Us
sawaicoffee.co.jp screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

sawaicoffee.co.jp

株式会社 澤井珈琲

Page Load Speed

8.9 sec in total

First Response

633 ms

Resources Loaded

7.9 sec

Page Rendered

366 ms

sawaicoffee.co.jp screenshot

About Website

Visit sawaicoffee.co.jp now to see the best up-to-date Sawaicoffee content for Japan and also check out these interesting facts you probably never knew about sawaicoffee.co.jp

世界中から厳選したコーヒーと紅茶をお届けする澤井珈琲のホームページです。創業41年美味しいコーヒーの専門。澤井珈琲ではコーヒーの封を開けた時に「香り高さ」と飲んだときの「味わい」に感動して頂く為に、ご注文をいただいてから焙煎してお届けしております。

Visit sawaicoffee.co.jp

Key Findings

We analyzed Sawaicoffee.co.jp page load time and found that the first response time was 633 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sawaicoffee.co.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value31.0 s

0/100

10%

Network Requests Diagram

sawaicoffee.co.jp

633 ms

style.css

460 ms

slider.css

319 ms

jquery1.9.1.min.js

807 ms

slider.js

561 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 87% of them (81 requests) were addressed to the original Sawaicoffee.co.jp, 3% (3 requests) were made to Platform.twitter.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Sawaicoffee.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 307.8 kB (10%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sawaicoffee.co.jp main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 32.8 kB

  • Original 42.4 kB
  • After minification 39.8 kB
  • After compression 9.6 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 32.8 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 132.1 kB

  • Original 2.8 MB
  • After minification 2.7 MB

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. Sawaicoffee images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 109.3 kB

  • Original 165.2 kB
  • After minification 154.0 kB
  • After compression 55.9 kB

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 109.3 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 33.7 kB

  • Original 40.8 kB
  • After minification 31.2 kB
  • After compression 7.1 kB

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. Sawaicoffee.co.jp needs all CSS files to be minified and compressed as it can save up to 33.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (7%)

Requests Now

92

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sawaicoffee. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sawaicoffee.co.jp

sawaicoffee.co.jp

633 ms

style.css

style.css

460 ms

slider.css

slider.css

319 ms

jquery1.9.1.min.js

jquery1.9.1.min.js

807 ms

slider.js

slider.js

561 ms

script.js

script.js

376 ms

analytics.js

analytics.js

54 ms

widgets.js

widgets.js

89 ms

bg.jpg

bg.jpg

188 ms

logo.png

logo.png

306 ms

glnv_01_on.png

glnv_01_on.png

321 ms

glnv_02.png

glnv_02.png

319 ms

glnv_03.png

glnv_03.png

322 ms

glnv_04.png

glnv_04.png

358 ms

glnv_05.png

glnv_05.png

506 ms

glnv_06.png

glnv_06.png

642 ms

asakusa-sawai-938-2.jpg

asakusa-sawai-938-2.jpg

1543 ms

SOY2015.jpg

SOY2015.jpg

1557 ms

springgift.jpg

springgift.jpg

1245 ms

stickcoffee.jpg

stickcoffee.jpg

1594 ms

bluemauntain938.jpg

bluemauntain938.jpg

1575 ms

springgiftslider.jpg

springgiftslider.jpg

1613 ms

coffeebeans938.jpg

coffeebeans938.jpg

2202 ms

manga938.jpg

manga938.jpg

2834 ms

3c-taru938.jpg

3c-taru938.jpg

2686 ms

3in1cafe938.jpg

3in1cafe938.jpg

2637 ms

cafeless938.jpg

cafeless938.jpg

2400 ms

hanaS-938.jpg

hanaS-938.jpg

2565 ms

cohriki938.jpg

cohriki938.jpg

3007 ms

trigone.jpg

trigone.jpg

3198 ms

mizudashi938.jpg

mizudashi938.jpg

3629 ms

p-ice938.jpg

p-ice938.jpg

3604 ms

news.png

news.png

3021 ms

ichiran.png

ichiran.png

3169 ms

topix.png

topix.png

3363 ms

topix_img_12.gif

topix_img_12.gif

3376 ms

topix_img_13.gif

topix_img_13.gif

3504 ms

topix_img_11.gif

topix_img_11.gif

3532 ms

topix_img_09.gif

topix_img_09.gif

3681 ms

topix_img_08.gif

topix_img_08.gif

3728 ms

topix_img_07.gif

topix_img_07.gif

3822 ms

topix_img_01.gif

topix_img_01.gif

3888 ms

topix_img_02.gif

topix_img_02.gif

3907 ms

sdk.js

sdk.js

45 ms

topix_img_03.gif

topix_img_03.gif

3901 ms

collect

collect

21 ms

128 ms

xd_arbiter.php

xd_arbiter.php

38 ms

xd_arbiter.php

xd_arbiter.php

46 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

131 ms

topix_img_05.gif

topix_img_05.gif

3872 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

45 ms

shop_title.png

shop_title.png

3764 ms

gaikan_honten.jpg

gaikan_honten.jpg

4012 ms

tenpo_txt.gif

tenpo_txt.gif

3909 ms

naikan_asakusa.jpg

naikan_asakusa.jpg

4068 ms

gaikan_asakusa.jpg

gaikan_asakusa.jpg

3916 ms

jot

jot

89 ms

gaikan_yonehara.jpg

gaikan_yonehara.jpg

3886 ms

gaikan_431.jpg

gaikan_431.jpg

3775 ms

gaikan_matsue.jpg

gaikan_matsue.jpg

3321 ms

gaikan_izumo.jpg

gaikan_izumo.jpg

3065 ms

gaikan_tottori.jpg

gaikan_tottori.jpg

3149 ms

gaikan_dai2.jpg

gaikan_dai2.jpg

3169 ms

bnr_wintergift.jpg

bnr_wintergift.jpg

3330 ms

catalog.png

catalog.png

3307 ms

bnr_fb.gif

bnr_fb.gif

2722 ms

coffeetushin.png

coffeetushin.png

2685 ms

shoping_title.png

shoping_title.png

2851 ms

bnr_rakuten.gif

bnr_rakuten.gif

2425 ms

bnr_online.gif

bnr_online.gif

2556 ms

bnr_yahoo.gif

bnr_yahoo.gif

2426 ms

bnr_amazon.gif

bnr_amazon.gif

2289 ms

bnr_ponpare.gif

bnr_ponpare.gif

2359 ms

shoping_bottom.gif

shoping_bottom.gif

2272 ms

oroshi.gif

oroshi.gif

2393 ms

tel.png

tel.png

2249 ms

iso2.png

iso2.png

2667 ms

pagetop.png

pagetop.png

2249 ms

footer_logo.png

footer_logo.png

2229 ms

news_title.png

news_title.png

2411 ms

news_bg.png

news_bg.png

2304 ms

news_bottom.gif

news_bottom.gif

2287 ms

shop_top.gif

shop_top.gif

2361 ms

shop_bg.gif

shop_bg.gif

2293 ms

shop_bottom.gif

shop_bottom.gif

2398 ms

shoping_bg.gif

shoping_bg.gif

2381 ms

bg_braun.gif

bg_braun.gif

2404 ms

icon.gif

icon.gif

2340 ms

prev.jpg

prev.jpg

180 ms

next.jpg

next.jpg

173 ms

like.php

like.php

86 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

15 ms

Accessibility Review

sawaicoffee.co.jp accessibility score

69

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sawaicoffee.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sawaicoffee.co.jp SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sawaicoffee.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Sawaicoffee.co.jp 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

sawaicoffee.co.jp

Open Graph description is not detected on the main page of Sawaicoffee. 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: