Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

koei-denshi.com

太阳集团城网站2017(中国)No.1

Page Load Speed

2.8 sec in total

First Response

648 ms

Resources Loaded

2 sec

Page Rendered

106 ms

koei-denshi.com screenshot

About Website

Click here to check amazing Koei Denshi content. Otherwise, check out these important facts you probably never knew about koei-denshi.com

太阳集团城网站2017公司是泳池水处理设备和泳池消毒滤料设备研发、设计制造、销售、专业规划、设计、咨询顾问服务于一体的公司。公司产品包括:泳池一体化设备,水处理设备,泳池过滤器,泳池专用水泵,泳池水循环设备等一系列各类泳池产品及体闲水体供应整套设备和提供各类水处理解决方案。

Visit koei-denshi.com

Key Findings

We analyzed Koei-denshi.com page load time and found that the first response time was 648 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

koei-denshi.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.701

7/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

koei-denshi.com

648 ms

hpbparts.css

197 ms

container_1A_2c_top.css

357 ms

main_1A_2c.css

384 ms

user.css

386 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Koei-denshi.com and no external sources were called. The less responsive or slowest element that took the longest time to load (959 ms) belongs to the original domain Koei-denshi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.5 kB (25%)

Content Size

241.1 kB

After Optimization

181.6 kB

In fact, the total size of Koei-denshi.com main page is 241.1 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. 15% of websites need less resources to load. Images take 187.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 14.9 kB

  • Original 19.4 kB
  • After minification 18.3 kB
  • After compression 4.5 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. 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 14.9 kB or 77% of the original size.

Image Optimization

-7%

Potential reduce by 13.9 kB

  • Original 187.1 kB
  • After minification 173.3 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. Koei Denshi images are well optimized though.

CSS Optimization

-89%

Potential reduce by 30.8 kB

  • Original 34.6 kB
  • After minification 21.7 kB
  • After compression 3.8 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. Koei-denshi.com needs all CSS files to be minified and compressed as it can save up to 30.8 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (20%)

Requests Now

15

After Optimization

12

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koei Denshi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

koei-denshi.com accessibility score

45

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

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

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

koei-denshi.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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

koei-denshi.com SEO score

100

Search Engine Optimization Advices

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

    ZH

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koei-denshi.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed Japanese language. Our system also found out that Koei-denshi.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

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