Tools & Wizards About Us
seiren.cc screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

seiren.cc

健康中華　青蓮　横浜　ランチ　ディナー　歓送迎会　貸切り　求人 【公式サイト】

Page Load Speed

6.8 sec in total

First Response

887 ms

Resources Loaded

5.5 sec

Page Rendered

341 ms

seiren.cc screenshot

About Website

Click here to check amazing Seiren content for Japan. Otherwise, check out these important facts you probably never knew about seiren.cc

健康中華庵、青蓮（せいれん）は、横浜、蒲田、戸塚、川崎、藤が丘、神保町、有明、品川、浜松町などで展開している中華料理チェーンです。

Visit seiren.cc

Key Findings

We analyzed Seiren.cc page load time and found that the first response time was 887 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

seiren.cc performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.129

82/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

index.html

887 ms

style.css

829 ms

jsapi

17 ms

movable.js

340 ms

webchangercmn.css

364 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 92% of them (67 requests) were addressed to the original Seiren.cc, 3% (2 requests) were made to Staticxx.facebook.com and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Seiren.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 217.4 kB (13%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seiren.cc main page is 1.6 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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 28.9 kB

  • Original 37.3 kB
  • After minification 33.7 kB
  • After compression 8.4 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 28.9 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 163.2 kB

  • Original 1.5 MB
  • After minification 1.4 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. Obviously, Seiren needs image optimization as it can save up to 163.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 4.0 kB

  • Original 39.3 kB
  • After minification 38.1 kB
  • After compression 35.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-82%

Potential reduce by 21.3 kB

  • Original 26.1 kB
  • After minification 20.8 kB
  • After compression 4.8 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. Seiren.cc needs all CSS files to be minified and compressed as it can save up to 21.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (10%)

Requests Now

61

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seiren. 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

index.html

index.html

887 ms

style.css

style.css

829 ms

jsapi

jsapi

17 ms

movable.js

movable.js

340 ms

webchangercmn.css

webchangercmn.css

364 ms

indexwebchanger.css

indexwebchanger.css

381 ms

wctarget.js

wctarget.js

598 ms

slideimage.js

slideimage.js

509 ms

wcax.js

wcax.js

175 ms

jquery.min.js

jquery.min.js

8 ms

starRsr.gif

starRsr.gif

179 ms

separate.jpg

separate.jpg

185 ms

selogo.jpg

selogo.jpg

332 ms

newl.jpg

newl.jpg

201 ms

frame1.jpg

frame1.jpg

191 ms

g1.jpg

g1.jpg

174 ms

g2.jpg

g2.jpg

337 ms

g3.jpg

g3.jpg

505 ms

g4.jpg

g4.jpg

545 ms

g5.jpg

g5.jpg

569 ms

g6.jpg

g6.jpg

597 ms

top01_r2_c1.jpg

top01_r2_c1.jpg

495 ms

jsback.png

jsback.png

675 ms

yajirusi.png

yajirusi.png

661 ms

img11b4a4544_1.jpg

img11b4a4544_1.jpg

672 ms

img10bmg5124_1.jpg

img10bmg5124_1.jpg

907 ms

img104qc0722_1.jpg

img104qc0722_1.jpg

947 ms

img119cc0718_1.jpg

img119cc0718_1.jpg

1031 ms

img13bmf1559_1.jpg

img13bmf1559_1.jpg

989 ms

img1565a5745_1.jpg

img1565a5745_1.jpg

1379 ms

img1565a5640_1.jpg

img1565a5640_1.jpg

1184 ms

aboutus.jpg

aboutus.jpg

1089 ms

info.jpg

info.jpg

1894 ms

img161qa3330_1.jpg

img161qa3330_1.jpg

1484 ms

img13chc5650_1.jpg

img13chc5650_1.jpg

1428 ms

menuhaikei.jpg

menuhaikei.jpg

1451 ms

img14cbg0725_1.jpg

img14cbg0725_1.jpg

2207 ms

img14cbg0732_1.jpg

img14cbg0732_1.jpg

2220 ms

img145ge5425_1.jpg

img145ge5425_1.jpg

2223 ms

img13chd0612_1.jpg

img13chd0612_1.jpg

1815 ms

img145ge5625_1.jpg

img145ge5625_1.jpg

1649 ms

img145gh4903_1.jpg

img145gh4903_1.jpg

1814 ms

img145gh5744_1.jpg

img145gh5744_1.jpg

2643 ms

top01_r2_c12.jpg

top01_r2_c12.jpg

1997 ms

top.png

top.png

2081 ms

top.png

top.png

2123 ms

all.js

all.js

21 ms

132 ms

xd_arbiter.php

xd_arbiter.php

33 ms

xd_arbiter.php

xd_arbiter.php

43 ms

import.php

import.php

2136 ms

highLight.png

highLight.png

2199 ms

loading.gif

loading.gif

2202 ms

img146ba1911_1.jpg

img146ba1911_1.jpg

200 ms

img146cf2230_1.jpg

img146cf2230_1.jpg

192 ms

img13bke5904_1.jpg

img13bke5904_1.jpg

170 ms

img146gb0347_1.jpg

img146gb0347_1.jpg

219 ms

img146gc5146_1.jpg

img146gc5146_1.jpg

222 ms

img146gc3558_1.jpg

img146gc3558_1.jpg

339 ms

img13bkf0005_1.jpg

img13bkf0005_1.jpg

380 ms

img13bkf0020_1.jpg

img13bkf0020_1.jpg

398 ms

img13cib2142_1.jpg

img13cib2142_1.jpg

401 ms

img146bg1951_1.jpg

img146bg1951_1.jpg

392 ms

img146cf2230_1.jpg

img146cf2230_1.jpg

647 ms

img146ba1911_1.jpg

img146ba1911_1.jpg

674 ms

img146gb0347_1.jpg

img146gb0347_1.jpg

759 ms

img13bke5904_1.jpg

img13bke5904_1.jpg

732 ms

img146gc3558_1.jpg

img146gc3558_1.jpg

795 ms

img146gc5146_1.jpg

img146gc5146_1.jpg

1127 ms

img13bkf0020_1.jpg

img13bkf0020_1.jpg

812 ms

img13bkf0005_1.jpg

img13bkf0005_1.jpg

1009 ms

img146bg1951_1.jpg

img146bg1951_1.jpg

901 ms

img13cib2142_1.jpg

img13cib2142_1.jpg

1135 ms

Accessibility Review

seiren.cc accessibility score

76

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

seiren.cc best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

seiren.cc SEO score

93

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

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seiren.cc can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Seiren.cc main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

seiren.cc

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