Access otk.co.jp. 国内外の高品質業務用音響機器なら音響特機株式会社｜国内外の高品質業務用音響機器なら音響特機株式会社

Report Summary

About Website

Welcome to otk.co.jp homepage info - get ready to check Otk best content for Japan right away, or after learning these important things about otk.co.jp

音響特機は、国内外のメーカーから取り寄せた高品質の業務用音響機器を、お客様のニーズや設置環境などにあわせて、最適なソリューションをご提案いたします。

Visit otk.co.jp

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

otk.co.jp

979 ms

base.css

577 ms

top.css

392 ms

jquery-1.4.4.min.js

1192 ms

jquery.galleryview-1.1-pack.js

597 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that all of those requests were addressed to Otk.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Otk.co.jp.

Content Size

2.2 MB

After Optimization

2.0 MB

In fact, the total size of Otk.co.jp main page is 2.2 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 34.6 kB

Original 41.3 kB
After minification 39.5 kB
After compression 6.7 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 34.6 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 24.1 kB

Original 2.0 MB
After minification 2.0 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. Otk images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 67.0 kB

Original 100.0 kB
After minification 94.1 kB
After compression 32.9 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 67.0 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 12.3 kB

Original 15.1 kB
After minification 9.2 kB
After compression 2.7 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. Otk.co.jp needs all CSS files to be minified and compressed as it can save up to 12.3 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otk. 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 JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Document doesn't have a <title> element

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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 Otk.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 Otk.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

otk.co.jp

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

国内外の高品質業務用音響機器なら音響特機株式会社｜国内外の高品質業務用音響機器なら音響特機株式会社

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)