Access sbc21.co.jp. SBC信越放送

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value81.9 s

0/100

25%

SI (Speed Index)

Value31.0 s

0/100

10%

TBT (Total Blocking Time)

Value59,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.278

44/100

15%

TTI (Time to Interactive)

Value79.1 s

0/100

10%

sbc21.co.jp

905 ms

bx_styles.css

356 ms

top.css

527 ms

com_sbctop.css

352 ms

rollover.js

354 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 91% of them (108 requests) were addressed to the original Sbc21.co.jp, 3% (3 requests) were made to Ads.adjust-net.jp and 2% (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 Sbc21.co.jp.

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Sbc21.co.jp main page is 1.4 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. 30% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 25.6 kB

Original 34.9 kB
After minification 32.2 kB
After compression 9.2 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. 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 25.6 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 85.8 kB

Original 1.1 MB
After minification 1.1 MB

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. Sbc 21 images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 148.0 kB

Original 241.5 kB
After minification 240.5 kB
After compression 93.5 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 148.0 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 16.9 kB

Original 21.7 kB
After minification 15.0 kB
After compression 4.8 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. Sbc21.co.jp needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 78% of the original size.

Requests Now

116

After Optimization

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sbc 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Search Engine Optimization Advices

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

High

Links are not crawlable

High

Page is blocked from indexing

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

JA
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sbc21.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 Sbc21.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

sbc21.co.jp

Open Graph description is not detected on the main page of Sbc 21. 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

SBC信越放送

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

sbc21.co.jp

bx_styles.css

top.css

com_sbctop.css

rollover.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

sbc21.co.jp

bx_styles.css

top.css

com_sbctop.css

rollover.js

pagetop.js

jquery-1.7.1.min.js

jquery.bxSlider.min.js

newsslider.js

top_banner2.js

asyncjs.php

playerlink.js

reset.css

fonts.css

base.css

ubase.css

ga.js

header_log_l.gif

g_navi01.gif

g_navi02.gif

g_navi03.gif

g_navi04.gif

g_navi05.gif

g_navi06.gif

g_navi07.gif

com_lalala1510.jpg

com_newswide1508.jpg

com_zukudase201509.jpg

com_youkaiwatch-land.jpg

com_saiplus.jpg

title_top_osusume.png

icon_kosodatew.jpg

icon_rajikan201508.jpg

icon_youshisen2015koufu.jpg

title_top_tv_program.gif

title_top_radio_program.gif

title_top_news.gif

btn_newsi.gif

list_marker_orange.gif

proxy-local-org.gif

title_top_weather.gif

list_marker_blue.gif

weather_hokubu.jpg