Access aqua-ckc.jp. TOPページ｜水質測定器のセントラル科学

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

aqua-ckc.jp

627 ms

aqua-ckc.jp

1325 ms

js

63 ms

css

35 ms

plugin.css

651 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 90% of them (54 requests) were addressed to the original Aqua-ckc.jp, 3% (2 requests) were made to Clarity.ms and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Aqua-ckc.jp.

Content Size

2.6 MB

After Optimization

2.0 MB

In fact, the total size of Aqua-ckc.jp main page is 2.6 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. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 44.6 kB

Original 56.6 kB
After minification 54.1 kB
After compression 12.0 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 44.6 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 75.5 kB

Original 1.9 MB
After minification 1.9 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. Aqua Ckc images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 339.8 kB

Original 476.6 kB
After minification 447.5 kB
After compression 136.9 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 339.8 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 135.1 kB

Original 154.9 kB
After minification 117.3 kB
After compression 19.8 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. Aqua-ckc.jp needs all CSS files to be minified and compressed as it can save up to 135.1 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aqua Ckc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

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

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

High

robots.txt is not valid

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 Aqua-ckc.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 Aqua-ckc.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

aqua-ckc.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

TOPページ｜水質測定器のセントラル科学

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

aqua-ckc.jp

aqua-ckc.jp

js

css

plugin.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

aqua-ckc.jp

aqua-ckc.jp

js

css

plugin.css

style.css

jquery.min.js

wc_script.js

webchangercmn.css

indexwebchanger.css

wctarget.js

modernizr.js

lightbox.min.js

TweenMax.min.js

ScrollToPlugin.min.js

swiper.min.js

perfect-scrollbar.min.js

drawer.min.js

iscroll.js

bootstrap.min.js

script.js

wcax.js

close.svg

loading.gif

lightbox-prev.svg

lightbox-next.svg

logo.png

ar_nav.png

faq.png

youtube.png

en.png

slidebg.jpg

img2479f4827_1.jpg

img2459d2727_1.jpg

img2442a0629_1.jpg

img23apf5230_1.jpg

img23c5d4559_1.jpg

main.jpg

prev.svg

next.svg

pickbg.jpg

spacer.gif

img227bg2404_1.jpg