Access kspec.co.jp. K'SPEC WEBSITE

Report Summary

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

kspec.co.jp

633 ms

kspec.co.jp

1074 ms

styles.css

201 ms

styles_sp.css

402 ms

lightbox.css

497 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 95% of them (94 requests) were addressed to the original Kspec.co.jp, 3% (3 requests) were made to Ajax.googleapis.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kspec.co.jp.

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of Kspec.co.jp main page is 2.1 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. 45% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 26.9 kB

Original 31.4 kB
After minification 19.6 kB
After compression 4.4 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. This page needs HTML code to be minified as it can gain 11.7 kB, which is 37% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 26.9 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 17.8 kB

Original 1.8 MB
After minification 1.8 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. K SPEC images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 104.4 kB

Original 251.4 kB
After minification 251.4 kB
After compression 147.0 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 104.4 kB or 42% of the original size.

CSS Optimization

-83%

Potential reduce by 70.6 kB

Original 85.4 kB
After minification 69.8 kB
After compression 14.8 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. Kspec.co.jp needs all CSS files to be minified and compressed as it can save up to 70.6 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K SPEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

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

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 Kspec.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 Kspec.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

kspec.co.jp

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

K'SPEC WEBSITE

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

kspec.co.jp

kspec.co.jp

styles.css

styles_sp.css

lightbox.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

kspec.co.jp

kspec.co.jp

styles.css

styles_sp.css

lightbox.css

jquery.fancybox-1.3.4.css

swiper5.3.8.min.css

jquery.min.js

lightbox.js

jquery.min.js

jquery.fancybox-1.3.4.pack.js

fuga.js

jquery.min.js

swiper5.3.8.min.js

logo.png

main_108.jpg

main_106.jpg

main_105.jpg

main_102.jpg

main_101.jpg

main_99.jpg

main_96.jpg

pick_11_2.jpg

pick_13.jpg

pick_10.jpg

pick_12.jpg

banner_03b.gif

banner_15b.gif

banner_04b.gif

banner_05b.gif

banner_12b.gif

banner_07b.gif

banner_08b.gif

banner_09b.gif

brand_2b.gif

brand_1b.gif

brand_23b.png

brand_4b.gif

brand_3b.gif

brand_5b.gif

brand_6b.gif

brand_7b.gif

brand_8b.gif