Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

gbank.gsj.jp

地質情報データベース|研究紹介|産総研 地質調査総合センター / Geological Survey of Japan, AIST

Page Load Speed

4.6 sec in total

First Response

382 ms

Resources Loaded

4.1 sec

Page Rendered

95 ms

gbank.gsj.jp screenshot

About Website

Welcome to gbank.gsj.jp homepage info - get ready to check Gbank Gsj best content for Japan right away, or after learning these important things about gbank.gsj.jp

地質調査総合センターの研究成果を発信するデータベースのリンク集です。地球科学に関する様々な情報をご利用いただけます。

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Key Findings

We analyzed Gbank.gsj.jp page load time and found that the first response time was 382 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

gbank.gsj.jp performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

gbank.gsj.jp

382 ms

index.html

800 ms

import.css

219 ms

lightbox.css

408 ms

modernizr.min.js

505 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Gbank.gsj.jp, 80% (47 requests) were made to Gsj.jp and 14% (8 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Gsj.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 157.1 kB (43%)

Content Size

365.0 kB

After Optimization

207.9 kB

In fact, the total size of Gbank.gsj.jp main page is 365.0 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. 25% of websites need less resources to load. Images take 167.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 14.4 kB

  • Original 20.0 kB
  • After minification 18.7 kB
  • After compression 5.6 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 14.4 kB or 72% of the original size.

Image Optimization

-11%

Potential reduce by 17.8 kB

  • Original 167.4 kB
  • After minification 149.6 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. Obviously, Gbank Gsj needs image optimization as it can save up to 17.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 75.2 kB

  • Original 116.8 kB
  • After minification 115.5 kB
  • After compression 41.5 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 75.2 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 49.7 kB

  • Original 60.9 kB
  • After minification 44.7 kB
  • After compression 11.2 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. Gbank.gsj.jp needs all CSS files to be minified and compressed as it can save up to 49.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (54%)

Requests Now

56

After Optimization

26

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gbank Gsj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gbank.gsj.jp accessibility score

100

Accessibility Issues

Best Practices

gbank.gsj.jp best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

gbank.gsj.jp SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Gbank.gsj.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 Gbank.gsj.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 Gbank Gsj. 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: