Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

ohsama.tv

KING RECORDS OFFICAL SITE > Oh!samaTV

Page Load Speed

11.6 sec in total

First Response

540 ms

Resources Loaded

9.6 sec

Page Rendered

1.5 sec

ohsama.tv screenshot

About Website

Welcome to ohsama.tv homepage info - get ready to check Oh Sama best content right away, or after learning these important things about ohsama.tv

Visit ohsama.tv

Key Findings

We analyzed Ohsama.tv page load time and found that the first response time was 540 ms and then it took 11 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

ohsama.tv performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.528

14/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

ohsama.tv

540 ms

1512 ms

menujquery.js

1477 ms

style.css

551 ms

core.css

558 ms

Our browser made a total of 170 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ohsama.tv, 79% (134 requests) were made to Cnt.kingrecords.co.jp and 17% (29 requests) were made to Kingrecords.co.jp. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Cnt.kingrecords.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 700.1 kB (5%)

Content Size

12.9 MB

After Optimization

12.2 MB

In fact, the total size of Ohsama.tv main page is 12.9 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.1 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 155.2 kB

  • Original 168.3 kB
  • After minification 128.3 kB
  • After compression 13.2 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 40.1 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 155.2 kB or 92% of the original size.

Image Optimization

-1%

Potential reduce by 70.1 kB

  • Original 12.1 MB
  • After minification 12.0 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. Oh Sama images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 429.4 kB

  • Original 595.6 kB
  • After minification 429.7 kB
  • After compression 166.2 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 429.4 kB or 72% of the original size.

CSS Optimization

-60%

Potential reduce by 45.4 kB

  • Original 75.2 kB
  • After minification 65.3 kB
  • After compression 29.8 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. Ohsama.tv needs all CSS files to be minified and compressed as it can save up to 45.4 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (26%)

Requests Now

165

After Optimization

122

The browser has sent 165 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oh Sama. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ohsama.tv accessibility score

51

Accessibility Issues

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

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

ohsama.tv best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ohsama.tv SEO score

71

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ohsama.tv 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 Ohsama.tv 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 Oh Sama. 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: