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name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.292

41/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

www.metalspeed.co.jp

1720 ms

css

41 ms

global.css

333 ms

style.min.css

507 ms

styles.css

663 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 83% of them (90 requests) were addressed to the original Metalspeed.co.jp, 8% (9 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Metalspeed.co.jp.

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of Metalspeed.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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 95.5 kB

Original 118.8 kB
After minification 116.7 kB
After compression 23.3 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 95.5 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 116.0 kB

Original 1.5 MB
After minification 1.3 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. Metalspeed images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.4 kB

Original 445.3 kB
After minification 445.3 kB
After compression 439.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-8%

Potential reduce by 4.2 kB

Original 55.4 kB
After minification 55.4 kB
After compression 51.2 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. Metalspeed.co.jp has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metalspeed. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Page has valid source maps

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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 Metalspeed.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 Metalspeed.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

metalspeed.co.jp

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

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

www.metalspeed.co.jp

css

global.css

style.min.css

styles.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

www.metalspeed.co.jp

css

global.css

style.min.css

styles.css

rounded-thumbs.min.css

page-list.css

fonts.css

sumoselect.min.css

jquery.mCustomScrollbar.min.css

styles.min.css

front-legacy.css

css

style.css

colorbox.css

tablepress-combined.min.css

jquery.min.js

jquery-migrate.min.js

circle-progress.js

global.js

jquery.sumoselect.min.js

tocca.min.js

jquery.mCustomScrollbar.concat.min.js

jquery.fullscreen.min.js

scripts.min.js

ios-orientationchange-fix.js

jquery.flexslider-min.js

jquery.fitvids.js

jquery.colorbox-min.js

adsbygoogle.js

counter.js

responsiveslides.css

public.css

base.css

sow-post-carousel-base-ad93eedad001-87.css

slick.css

sow-image-default-dbf295114b96-87.css

index.js

index.js

mediaelement-and-player.min.js

mediaelement-migrate.min.js

wp-mediaelement.min.js

comment-reply.min.js

core.min.js