Access sawaicoffee.co.jp. 株式会社澤井珈琲

sawaicoffee.co.jp screenshot

22

Performance

Renders faster than
40% of other websites
71

Accessibility

Visual factors better than
that of 36% of websites
67

Best Practices

More advanced features
available than in
24% of websites
82

SEO

Google-friendlier than
44% of websites

First Response

522 ms

Resources Loaded

15.3 sec

Page Rendered

600 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42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 522 ms and then it took 15.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.167

71/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

sawaicoffee.co.jp

522 ms

sawaicoffee.co.jp

1393 ms

style.css

1197 ms

slider.css

531 ms

megamenu.css

534 ms

Our browser made a total of 186 requests to load all elements on the main page. We found that 92% of them (171 requests) were addressed to the original Sawaicoffee.co.jp, 2% (4 requests) were made to Platform.twitter.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Sawaicoffee.co.jp.

Content Size

9.9 MB

After Optimization

9.5 MB

In fact, the total size of Sawaicoffee.co.jp main page is 9.9 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. 70% of websites need less resources to load. Images take 9.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 83.6 kB

Original 98.0 kB
After minification 81.2 kB
After compression 14.5 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. This page needs HTML code to be minified as it can gain 16.9 kB, which is 17% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 83.6 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 107.5 kB

Original 9.6 MB
After minification 9.5 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

-58%

Potential reduce by 77.4 kB

Original 133.3 kB
After minification 122.1 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 77.4 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 40.8 kB

Original 49.6 kB
After minification 37.5 kB
After compression 8.8 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 40.8 kB or 82% of the original size.

Requests Now

184

After Optimization

175

The browser has sent 184 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 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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: