Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

1stbit.co.jp

株式会社ファーストビット | Webシステム開発・Web制作・アプリ開発・LINEスタンプ制作会社・グラフィックデザイン制作会社

Page Load Speed

7.4 sec in total

First Response

1.3 sec

Resources Loaded

5.7 sec

Page Rendered

398 ms

1stbit.co.jp screenshot

About Website

Welcome to 1stbit.co.jp homepage info - get ready to check 1 Stbit best content right away, or after learning these important things about 1stbit.co.jp

株式会社ファーストビットは東京都千代田区を拠点に企画から開発・デザイン・運用まで、ワンストップで対応できる会社です。 スマートフォンサイト、WEBシステム開発、アプリ開発(iPhone、Android対応)、WEB制作ならお任せください。 LINEスタンプやグラフィックデザイン、リスティング広告やランディングページ制作などのマーケティング業務も対応可能です。

Visit 1stbit.co.jp

Key Findings

We analyzed 1stbit.co.jp page load time and found that the first response time was 1.3 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

1stbit.co.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

www.1stbit.co.jp

1346 ms

style.css

329 ms

add.css

165 ms

common.css

819 ms

nav.css

491 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 77% of them (103 requests) were addressed to the original 1stbit.co.jp, 6% (8 requests) were made to Apis.google.com and 2% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain 1stbit.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 603.2 kB (50%)

Content Size

1.2 MB

After Optimization

599.7 kB

In fact, the total size of 1stbit.co.jp main page is 1.2 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. 55% of websites need less resources to load. Javascripts take 486.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.7 kB

  • Original 37.9 kB
  • After minification 33.8 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 11% 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 28.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 14.9 kB

  • Original 454.1 kB
  • After minification 439.2 kB

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. 1 Stbit images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 363.0 kB

  • Original 486.9 kB
  • After minification 369.4 kB
  • After compression 123.8 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 363.0 kB or 75% of the original size.

CSS Optimization

-88%

Potential reduce by 196.6 kB

  • Original 223.9 kB
  • After minification 196.2 kB
  • After compression 27.3 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. 1stbit.co.jp needs all CSS files to be minified and compressed as it can save up to 196.6 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (47%)

Requests Now

129

After Optimization

68

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1 Stbit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

1stbit.co.jp accessibility score

96

Accessibility Issues

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

Links do not have a discernible name

Best Practices

1stbit.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

1stbit.co.jp SEO score

100

Search Engine Optimization Advices

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 1stbit.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 1stbit.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

Open Graph description is not detected on the main page of 1 Stbit. 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: