Access vicom.co.jp. 久留米市の映像制作、鉄道ブルーレイ・DVD販売ならビコム株式会社

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value25.6 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.956

3/100

15%

TTI (Time to Interactive)

Value65.5 s

0/100

10%

vicom.co.jp

1061 ms

vicom.co.jp

20036 ms

www.vicom.co.jp

1483 ms

js

117 ms

bootstrap.min.css

68 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 36% of them (53 requests) were addressed to the original Vicom.co.jp, 50% (74 requests) were made to Fonts.gstatic.com and 5% (7 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Vicom.co.jp.

Content Size

3.4 MB

After Optimization

3.3 MB

In fact, the total size of Vicom.co.jp main page is 3.4 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. Only a small number of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 64.5 kB

Original 78.0 kB
After minification 70.0 kB
After compression 13.6 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 64.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 15.6 kB

Original 3.2 MB
After minification 3.2 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. Vicom images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.2 kB

Original 108.9 kB
After minification 108.9 kB
After compression 106.8 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

-16%

Potential reduce by 9.3 kB

Original 57.0 kB
After minification 57.0 kB
After compression 47.7 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. Vicom.co.jp needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vicom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Vicom.co.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 Vicom.co.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

vicom.co.jp

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

久留米市の映像制作、鉄道ブルーレイ・DVD販売ならビコム株式会社

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

vicom.co.jp

vicom.co.jp

www.vicom.co.jp

js

bootstrap.min.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

vicom.co.jp

vicom.co.jp

www.vicom.co.jp

js

bootstrap.min.css

common.css

contents.css

underlayer.css

cssanimation.min.css

icon

css2

all.min.css

css2

css2

css2

style.min.css

mappress.css

style.css

jquery-3.3.1.slim.min.js

popper.min.js

bootstrap.min.js

jquery.min.js

letteranimation.min.js

js_library.js

fadeanime.js

js

slick.css

slick-theme.css

slick.min.js

modaal.min.css

modaal.min.js

paginathing.min.js

list.min.js

logo.png

logo_w.png

main_sp01.png

main_sp02.png

main_sp03.png

main_sp04.png

main_sp05.png

main_sp06.png

main_sp07.png

main_sp08.png