Access watetsu.com. わたらせ渓谷鐵道株式会社（公式サイト）

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value24.5 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.443

21/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

watetsu.com

1194 ms

style.css

351 ms

css.css

561 ms

prettyPhoto.css

786 ms

jquery-1.4.3.min.js

1448 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 81% of them (58 requests) were addressed to the original Watetsu.com, 4% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Watetsu.com.

Content Size

798.5 kB

After Optimization

292.1 kB

In fact, the total size of Watetsu.com main page is 798.5 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. 65% of websites need less resources to load. Javascripts take 341.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 27.6 kB

Original 36.1 kB
After minification 27.6 kB
After compression 8.5 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 8.5 kB, which is 24% 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 27.6 kB or 76% of the original size.

Image Optimization

-18%

Potential reduce by 25.7 kB

Original 139.8 kB
After minification 114.2 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. Obviously, Watetsu needs image optimization as it can save up to 25.7 kB or 18% 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 218.2 kB

Original 341.4 kB
After minification 330.1 kB
After compression 123.2 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 218.2 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 235.0 kB

Original 281.2 kB
After minification 271.9 kB
After compression 46.2 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. Watetsu.com needs all CSS files to be minified and compressed as it can save up to 235.0 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Watetsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Image elements do not have [alt] attributes

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Watetsu.com 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 Watetsu.com main page’s claimed encoding is euc-jp. 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

watetsu.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

わたらせ渓谷鐵道株式会社（公式サイト）｜Watarase Keikoku Railway Co.,Ltd.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

watetsu.com

style.css

css.css

prettyPhoto.css

jquery-1.4.3.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

watetsu.com

style.css

css.css

prettyPhoto.css

jquery-1.4.3.min.js

jquery.prettyPhoto.js

maintit.gif

eng.gif

k.gif

h.gif

torokko.gif

dantai.gif

toro_qa_bt.gif

event.gif

tv_za.gif

jikoku.gif

untin.gif

kakueki.gif

ensen.gif

goods.gif

seiryu.gif

mizunuma.gif

link.gif

menu_4wa.gif

wasshi.gif

fs_ba.gif

qr.jpg

getacro.gif

chiteki.gif

unten1.gif

unten2.gif

kuseki.gif

ma_top_ba.gif

1456743999.JPG

1456125752.JPG

1456889586.JPG

1458096255.JPG

1457010145.JPG

1456707226.JPG

1455254412.JPG

1381480821.JPG

sdk.js

1452764004.JPG