Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

bs11.jp

BS11（イレブン）|全番組が無料放送

Page Load Speed

15.1 sec in total

First Response

32 ms

Resources Loaded

13.9 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing BS11 content for Japan. Otherwise, check out these important facts you probably never knew about bs11.jp

リモコンの［BS］押して［11］押すだけ！無料放送BS11の公式サイトです。 番組表、おすすめ番組、アジア・韓国ドラマ・中国ドラマ、アニメ、競馬、ドキュメンタリーなどの番組情報をお届け。

Visit bs11.jp

Key Findings

We analyzed Bs11.jp page load time and found that the first response time was 32 ms and then it took 15.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

bs11.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value66.7 s

0/100

25%

SI (Speed Index)

Value38.8 s

0/100

10%

TBT (Total Blocking Time)

Value4,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value123.7 s

0/100

10%

Network Requests Diagram

bs11.jp

32 ms

www.bs11.jp

1221 ms

import.css

28 ms

topics.css

211 ms

jquery.min.js

41 ms

Our browser made a total of 379 requests to load all elements on the main page. We found that 68% of them (256 requests) were addressed to the original Bs11.jp, 13% (51 requests) were made to Vod.bs11.jp and 4% (14 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Vod.bs11.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.6 kB (1%)

Content Size

41.1 MB

After Optimization

40.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bs11.jp main page is 41.1 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. Only a small number of websites need less resources to load. Images take 40.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 160.6 kB

  • Original 191.7 kB
  • After minification 191.4 kB
  • After compression 31.1 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 160.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 13.0 kB

  • Original 40.1 MB
  • After minification 40.1 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. BS11 images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 163.9 kB

  • Original 724.2 kB
  • After minification 724.2 kB
  • After compression 560.3 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 163.9 kB or 23% of the original size.

CSS Optimization

-0%

Potential reduce by 174 B

  • Original 39.2 kB
  • After minification 39.2 kB
  • After compression 39.0 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. Bs11.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 73 (20%)

Requests Now

361

After Optimization

288

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 361 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BS11. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bs11.jp accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bs11.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bs11.jp SEO score

75

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

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

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 Bs11.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 Bs11.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 data is detected on the main page of BS11. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: