Tools & Wizards About Us
rokaki.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rokaki.com

ろ過器、バッグフィルター、中和装置、カートリッジフィルターなど水処理ならろ過器ドットコム │ネットアンドサービス

Page Load Speed

7.2 sec in total

First Response

1.2 sec

Resources Loaded

5.6 sec

Page Rendered

494 ms

rokaki.com screenshot

About Website

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

ろ過器,カートリッジフィルター,バッグフィルター,サンドフィルター,中和装置など、水処理に関する各種装置はろ過器ドットコムへ。国内外の優れたろ過器を用意しております。また植物工場の設計、施工もお任せください。

Visit rokaki.com

Key Findings

We analyzed Rokaki.com page load time and found that the first response time was 1.2 sec and then it took 6.1 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

rokaki.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

rokaki.com

1168 ms

utility.css

299 ms

skin.css

446 ms

jquery.flexslider.css

318 ms

jquery-1.11.1.min.js

847 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 98% of them (95 requests) were addressed to the original Rokaki.com, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Rokaki.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 650.6 kB (23%)

Content Size

2.8 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rokaki.com main page is 2.8 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 40.6 kB

  • Original 49.6 kB
  • After minification 48.3 kB
  • After compression 8.9 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 40.6 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 393.8 kB

  • Original 2.5 MB
  • After minification 2.1 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, Rokaki needs image optimization as it can save up to 393.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 182.4 kB

  • Original 253.0 kB
  • After minification 206.9 kB
  • After compression 70.6 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 182.4 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 33.7 kB

  • Original 40.3 kB
  • After minification 29.6 kB
  • After compression 6.6 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. Rokaki.com needs all CSS files to be minified and compressed as it can save up to 33.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (14%)

Requests Now

96

After Optimization

83

  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rokaki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rokaki.com

rokaki.com

1168 ms

utility.css

utility.css

299 ms

skin.css

skin.css

446 ms

jquery.flexslider.css

jquery.flexslider.css

318 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

847 ms

current.js

current.js

363 ms

smoothScroll.js

smoothScroll.js

441 ms

opacity-rollover2.1.js

opacity-rollover2.1.js

471 ms

scrolltopcontrol.js

scrolltopcontrol.js

504 ms

jquery.biggerlink.min.js

jquery.biggerlink.min.js

542 ms

contentsAccordion.js

contentsAccordion.js

585 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

591 ms

jquery.transit.js

jquery.transit.js

780 ms

jquery.jrumble.1.3.js

jquery.jrumble.1.3.js

679 ms

areaSlide.js

areaSlide.js

722 ms

jquery.flexslider.js

jquery.flexslider.js

1019 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

736 ms

analytics.js

analytics.js

130 ms

NMC-16-Top.jpg

NMC-16-Top.jpg

630 ms

logo.png

logo.png

341 ms

header_contact.jpg

header_contact.jpg

442 ms

header_tel.png

header_tel.png

147 ms

nav.png

nav.png

313 ms

mainimage01.jpg

mainimage01.jpg

2717 ms

top_main_txt01.png

top_main_txt01.png

337 ms

mainimage02.jpg

mainimage02.jpg

2104 ms

mainimage03.jpg

mainimage03.jpg

2488 ms

main_image_shadow.jpg

main_image_shadow.jpg

505 ms

top_title01.png

top_title01.png

679 ms

top_box01_img01.png

top_box01_img01.png

591 ms

top_box01_img04.png

top_box01_img04.png

672 ms

top_box01_img03.png

top_box01_img03.png

739 ms

NBFS-Top.png

NBFS-Top.png

839 ms

top_box01_img05.png

top_box01_img05.png

1020 ms

top_box01_img06.png

top_box01_img06.png

886 ms

top_box01_img07.png

top_box01_img07.png

1175 ms

top_box01_img08.png

top_box01_img08.png

1033 ms

top_box01_img09.png

top_box01_img09.png

1359 ms

top_box01_img10.png

top_box01_img10.png

1328 ms

top_box01_img11.png

top_box01_img11.png

1511 ms

top_box01_img12.png

top_box01_img12.png

1475 ms

NP8800-Top.png

NP8800-Top.png

1701 ms

NDP6000-Top.png

NDP6000-Top.png

1623 ms

top_box01_img15.png

top_box01_img15.png

1679 ms

top_title02.png

top_title02.png

1770 ms

top_box02_icon01.png

top_box02_icon01.png

1846 ms

top_box02_text01.png

top_box02_text01.png

1872 ms

top_box02_line01.jpg

top_box02_line01.jpg

1917 ms

top_box02_icon02.png

top_box02_icon02.png

2014 ms

top_box02_text02.png

top_box02_text02.png

2042 ms

top_box02_icon03.png

top_box02_icon03.png

2063 ms

top_box02_text03.png

top_box02_text03.png

2182 ms

top_box02_line02.jpg

top_box02_line02.jpg

2214 ms

top_box02_icon04.png

top_box02_icon04.png

2214 ms

NRS750-6_Top.png

NRS750-6_Top.png

707 ms

RSC_GSV_Top.png

RSC_GSV_Top.png

1003 ms

top_box02_text04.png

top_box02_text04.png

2240 ms

collect

collect

11 ms

top_box02_icon05.png

top_box02_icon05.png

2211 ms

top_box02_text05.png

top_box02_text05.png

2077 ms

top_box02_icon06.png

top_box02_icon06.png

2029 ms

top_box02_text06.png

top_box02_text06.png

2055 ms

top_box02_icon07.png

top_box02_icon07.png

2086 ms

top_box02_text07.png

top_box02_text07.png

2009 ms

top_box02_icon08.png

top_box02_icon08.png

1968 ms

top_box02_text08.png

top_box02_text08.png

1868 ms

top_box02_icon09.png

top_box02_icon09.png

1964 ms

top_box02_text09.png

top_box02_text09.png

1922 ms

top_box02_btn.jpg

top_box02_btn.jpg

1853 ms

top_title03.png

top_title03.png

1798 ms

top_box03_img01.jpg

top_box03_img01.jpg

2050 ms

top_box03_icon01.png

top_box03_icon01.png

1764 ms

top_box03_text01.png

top_box03_text01.png

1632 ms

top_box03_img02.jpg

top_box03_img02.jpg

1501 ms

top_box03_icon02.png

top_box03_icon02.png

1499 ms

top_box03_text02.png

top_box03_text02.png

1418 ms

top_box03_icon03.png

top_box03_icon03.png

1443 ms

top_box03_text03.png

top_box03_text03.png

1329 ms

top_box03_img03.jpg

top_box03_img03.jpg

1297 ms

top_box03_icon04.png

top_box03_icon04.png

1324 ms

top_box03_text04.png

top_box03_text04.png

1306 ms

top_box03_img04.jpg

top_box03_img04.jpg

1550 ms

top_box03_btn.jpg

top_box03_btn.jpg

1239 ms

top_box04_copy01.png

top_box04_copy01.png

1205 ms

top_box04_img01.jpg

top_box04_img01.jpg

1511 ms

top_box04_img02.jpg

top_box04_img02.jpg

1198 ms

top_box04_img03.jpg

top_box04_img03.jpg

1193 ms

top_box04_btn.png

top_box04_btn.png

1172 ms

top_title04.png

top_title04.png

1083 ms

top_rss_btn_on.jpg

top_rss_btn_on.jpg

1195 ms

top_contact_box_bd.gif

top_contact_box_bd.gif

1222 ms

top_contact_title01.gif

top_contact_title01.gif

1168 ms

top_contact_title02.gif

top_contact_title02.gif

1076 ms

footer_bg_wrapper.png

footer_bg_wrapper.png

1184 ms

footer_logo.png

footer_logo.png

1198 ms

footer_arr.png

footer_arr.png

1167 ms

pagetop.jpg

pagetop.jpg

1101 ms

Accessibility Review

rokaki.com accessibility score

81

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

Links do not have a discernible name

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

rokaki.com 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

rokaki.com SEO score

90

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 doesn't use 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 Rokaki.com 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 Rokaki.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

rokaki.com

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