Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

glassbottle.org

日本ガラスびん協会

Page Load Speed

6.5 sec in total

First Response

1.3 sec

Resources Loaded

4.9 sec

Page Rendered

297 ms

glassbottle.org screenshot

About Website

Visit glassbottle.org now to see the best up-to-date Glassbottle content for Japan and also check out these interesting facts you probably never knew about glassbottle.org

ガラス瓶の製造者などによる団体。組織概要、ニュース、統計資料、商品知識。

Visit glassbottle.org

Key Findings

We analyzed Glassbottle.org page load time and found that the first response time was 1.3 sec and then it took 5.2 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

glassbottle.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value22.2 s

0/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.7 s

0/100

10%

Network Requests Diagram

glassbottle.org

1255 ms

style.css

380 ms

facebox.css

390 ms

jquery-1.3.2.min.js

1150 ms

facebox.js

577 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 92% of them (55 requests) were addressed to the original Glassbottle.org, 3% (2 requests) were made to Google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Glassbottle.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.6 kB (16%)

Content Size

999.8 kB

After Optimization

836.2 kB

In fact, the total size of Glassbottle.org main page is 999.8 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 817.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.5 kB

  • Original 22.8 kB
  • After minification 20.5 kB
  • After compression 5.3 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 17.5 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 38.3 kB

  • Original 817.2 kB
  • After minification 779.0 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. Glassbottle images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 68.5 kB

  • Original 112.1 kB
  • After minification 96.0 kB
  • After compression 43.5 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 68.5 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 39.3 kB

  • Original 47.7 kB
  • After minification 39.6 kB
  • After compression 8.4 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. Glassbottle.org needs all CSS files to be minified and compressed as it can save up to 39.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (40%)

Requests Now

58

After Optimization

35

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Glassbottle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

glassbottle.org accessibility score

86

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

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

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

glassbottle.org 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

glassbottle.org SEO score

92

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

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 Glassbottle.org 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 Glassbottle.org 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 Glassbottle. 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: