Tools & Wizards About Us
ac-bousai.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

ac-bousai.com

株式会社AC防災

Page Load Speed

3.3 sec in total

First Response

553 ms

Resources Loaded

2.6 sec

Page Rendered

148 ms

ac-bousai.com screenshot

About Website

Visit ac-bousai.com now to see the best up-to-date Ac Bousai content and also check out these interesting facts you probably never knew about ac-bousai.com

「首都圏」（東京都、埼玉県、千葉県、神奈川県）・「名古屋圏」（愛知県、岐阜県、三重県）・静岡県の消防設備点検をはじめ建物防災のスペシャリスト

Visit ac-bousai.com

Key Findings

We analyzed Ac-bousai.com page load time and found that the first response time was 553 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

ac-bousai.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

ac-bousai.com

553 ms

pc.css

226 ms

analytics.js

8 ms

waku01.jpg

177 ms

logo01.jpg

493 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 89% of them (32 requests) were addressed to the original Ac-bousai.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Ac-bousai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.0 kB (7%)

Content Size

766.7 kB

After Optimization

713.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ac-bousai.com main page is 766.7 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. 35% of websites need less resources to load. Images take 686.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.0 kB

  • Original 11.0 kB
  • After minification 10.3 kB
  • After compression 3.0 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 8.0 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 2.2 kB

  • Original 686.9 kB
  • After minification 684.7 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. Ac Bousai images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-89%

Potential reduce by 42.8 kB

  • Original 47.9 kB
  • After minification 37.7 kB
  • After compression 5.1 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. Ac-bousai.com needs all CSS files to be minified and compressed as it can save up to 42.8 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

35

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ac Bousai. According to our analytics all requests are already optimized.

Network Requests Diagram

ac-bousai.com

ac-bousai.com

553 ms

pc.css

pc.css

226 ms

analytics.js

analytics.js

8 ms

waku01.jpg

waku01.jpg

177 ms

logo01.jpg

logo01.jpg

493 ms

menu01.jpg

menu01.jpg

330 ms

menu02.jpg

menu02.jpg

339 ms

menu03.jpg

menu03.jpg

341 ms

waku02.jpg

waku02.jpg

341 ms

waku03.jpg

waku03.jpg

352 ms

logo02.jpg

logo02.jpg

1312 ms

side.jpg

side.jpg

510 ms

midasi01.jpg

midasi01.jpg

849 ms

syoubousetsubi_b.jpg

syoubousetsubi_b.jpg

680 ms

boukataisyou_b.jpg

boukataisyou_b.jpg

527 ms

boukakanri_b.jpg

boukakanri_b.jpg

656 ms

tokusyutatemono_b.jpg

tokusyutatemono_b.jpg

847 ms

renketsusousui_b.jpg

renketsusousui_b.jpg

704 ms

bousaikouji_b.jpg

bousaikouji_b.jpg

821 ms

setubi.jpg

setubi.jpg

1020 ms

bouka.jpg

bouka.jpg

1053 ms

boukataisyou.jpg

boukataisyou.jpg

1148 ms

ind_tbac.jpg

ind_tbac.jpg

1017 ms

min.jpg

min.jpg

1019 ms

tokusyu.jpg

tokusyu.jpg

1355 ms

rennketu.jpg

rennketu.jpg

1357 ms

kouji.jpg

kouji.jpg

1359 ms

toiawaseber.jpg

toiawaseber.jpg

1228 ms

toiawase_b.gif

toiawase_b.gif

1312 ms

lrfooter.jpg

lrfooter.jpg

1404 ms

footer_bar2.jpg

footer_bar2.jpg

1475 ms

collect

collect

31 ms

collect

collect

30 ms

js

js

66 ms

ta.css

ta.css

177 ms

sm.css

sm.css

177 ms

Accessibility Review

ac-bousai.com accessibility score

54

Accessibility Issues

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

ac-bousai.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

ac-bousai.com SEO score

67

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

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ac-bousai.com 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 Ac-bousai.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

ac-bousai.com

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