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izutech.co.jp screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

izutech.co.jp

イズテック株式会社

Page Load Speed

999 ms in total

First Response

346 ms

Resources Loaded

568 ms

Page Rendered

85 ms

izutech.co.jp screenshot

About Website

Click here to check amazing Izutech content. Otherwise, check out these important facts you probably never knew about izutech.co.jp

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Visit izutech.co.jp

Key Findings

We analyzed Izutech.co.jp page load time and found that the first response time was 346 ms and then it took 653 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

izutech.co.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value51.3 s

0/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value1.346

0/100

15%

TTI (Time to Interactive)

Value44.4 s

0/100

10%

Network Requests Diagram

izutech.co.jp

346 ms

ga.js

10 ms

Image1221.gif

132 ms

PDF2.jpg

179 ms

exevi

222 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 57% of them (4 requests) were addressed to the original Izutech.co.jp, 29% (2 requests) were made to Google-analytics.com and 14% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (346 ms) belongs to the original domain Izutech.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.9 kB (25%)

Content Size

27.7 kB

After Optimization

20.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Izutech.co.jp main page is 27.7 kB. 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 5% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 6.5 kB

  • Original 9.7 kB
  • After minification 9.2 kB
  • After compression 3.2 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 6.5 kB or 67% of the original size.

Image Optimization

-37%

Potential reduce by 319 B

  • Original 861 B
  • After minification 542 B

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, Izutech needs image optimization as it can save up to 319 B or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izutech. According to our analytics all requests are already optimized.

Network Requests Diagram

izutech.co.jp

izutech.co.jp

346 ms

ga.js

ga.js

10 ms

Image1221.gif

Image1221.gif

132 ms

PDF2.jpg

PDF2.jpg

179 ms

exevi

exevi

222 ms

__utm.gif

__utm.gif

12 ms

collect

collect

58 ms

Accessibility Review

izutech.co.jp accessibility score

77

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

izutech.co.jp 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

izutech.co.jp SEO score

82

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Izutech.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Izutech.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

izutech.co.jp

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