Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

astramline.co.jp

アストラムライン - 広島高速交通株式会社

Page Load Speed

2.7 sec in total

First Response

719 ms

Resources Loaded

1.7 sec

Page Rendered

231 ms

astramline.co.jp screenshot

About Website

Visit astramline.co.jp now to see the best up-to-date Astramline content for Japan and also check out these interesting facts you probably never knew about astramline.co.jp

広島新交通1号線(ひろしましんこうつういちごうせん)は、広島県広島市中区の本通駅から同市安佐南区の広域公園前駅に至る広島高速交通の自動案内軌条式旅客輸送システム (AGT) 路線です。日本語の「明日」に英語の「トラム」(路面電車)という意味から付けられたアストラムライン (Astram line) の通称で親しまれています。

Visit astramline.co.jp

Key Findings

We analyzed Astramline.co.jp page load time and found that the first response time was 719 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

astramline.co.jp performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

astramline.co.jp

719 ms

astram_j2.JPG

343 ms

astram_line.gif

388 ms

ast_yafuoku_banner.png

613 ms

numajihprogo.png

624 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Astramline.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (984 ms) belongs to the original domain Astramline.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.7 kB (24%)

Content Size

106.4 kB

After Optimization

80.8 kB

In fact, the total size of Astramline.co.jp main page is 106.4 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. 15% of websites need less resources to load. Images take 86.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 16.1 kB

  • Original 20.3 kB
  • After minification 15.7 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 23% 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 16.1 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 9.6 kB

  • Original 86.1 kB
  • After minification 76.5 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, Astramline needs image optimization as it can save up to 9.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astramline. According to our analytics all requests are already optimized.

Accessibility Review

astramline.co.jp accessibility score

54

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.

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

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

astramline.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

astramline.co.jp SEO score

50

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Astramline.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 Astramline.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

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