Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

81-web.com

81-web.com : 日本のWebデザイン・Webサイトギャラリー＆参考サイト・リンク集

Page Load Speed

6.6 sec in total

First Response

2 sec

Resources Loaded

4.4 sec

Page Rendered

208 ms

About Website

Welcome to 81-web.com homepage info - get ready to check 81 Web best content for Japan right away, or after learning these important things about 81-web.com

81-web.comはWebサイト制作に参考になる日本の優れたWebデザイン・Webサイトギャラリー＆参考サイト・リンク集です。81-web.com is a gallery and collection of reference sites for exceptional Japanese web design and websites, useful for web development.

Visit 81-web.com

Key Findings

We analyzed 81-web.com page load time and found that the first response time was 2 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

81-web.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.666

8/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

81-web.com

1952 ms

base.css

331 ms

style.css

355 ms

wpfp.css

376 ms

styles.css

374 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 67% of them (46 requests) were addressed to the original 81-web.com, 4% (3 requests) were made to Platform.twitter.com and 4% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain 81-web.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.5 kB (13%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 81-web.com main page is 1.5 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 63.6 kB

  • Original 73.8 kB
  • After minification 71.7 kB
  • After compression 10.2 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 63.6 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 1.3 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. 81 Web images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 80.2 kB

  • Original 136.0 kB
  • After minification 124.9 kB
  • After compression 55.7 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 80.2 kB or 59% of the original size.

CSS Optimization

-85%

Potential reduce by 42.2 kB

  • Original 49.7 kB
  • After minification 39.1 kB
  • After compression 7.5 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. 81-web.com needs all CSS files to be minified and compressed as it can save up to 42.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (48%)

Requests Now

67

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 81 Web. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

81-web.com accessibility score

76

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

High

Image elements do not have [alt] attributes

Best Practices

81-web.com best practices score

83

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

SEO Factors

81-web.com SEO score

92

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

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 81-web.com 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 81-web.com 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

Open Graph data is detected on the main page of 81 Web. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: