Tools & Wizards About Us

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dova-s.jp

フリーBGM（音楽素材）無料ダウンロード｜DOVA-SYNDROME

Page Load Speed

3.6 sec in total

First Response

820 ms

Resources Loaded

2.6 sec

Page Rendered

253 ms

About Website

Welcome to dova-s.jp homepage info - get ready to check DOVA S best content for Japan right away, or after learning these important things about dova-s.jp

フリーBGM音楽素材を無料ダウンロード配布しています。商用や非商用など、用途を問わず連絡不要でご自由にご利用頂けます。[配信BGM素材数 17165曲／SE素材数 1317音 2024/11/19現在]

Visit dova-s.jp

Key Findings

We analyzed Dova-s.jp page load time and found that the first response time was 820 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dova-s.jp performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.183

66/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

dova-s.jp

820 ms

analytics.js

21 ms

common.css

170 ms

style.css

317 ms

adsbygoogle.js

5 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 49% of them (27 requests) were addressed to the original Dova-s.jp, 9% (5 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dova-s.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.1 kB (8%)

Content Size

566.2 kB

After Optimization

520.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dova-s.jp main page is 566.2 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. 50% of websites need less resources to load. Images take 417.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.1 kB

  • Original 24.5 kB
  • After minification 21.9 kB
  • After compression 6.4 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 2.6 kB, which is 11% 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 18.1 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 417.4 kB
  • After minification 416.0 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. DOVA S images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 11.4 kB

  • Original 104.6 kB
  • After minification 103.7 kB
  • After compression 93.2 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 11.4 kB or 11% of the original size.

CSS Optimization

-77%

Potential reduce by 15.3 kB

  • Original 19.8 kB
  • After minification 17.4 kB
  • After compression 4.5 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. Dova-s.jp needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (49%)

Requests Now

51

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DOVA S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dova-s.jp accessibility score

70

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-*] attributes do not match their roles

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

dova-s.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dova-s.jp SEO score

90

Search Engine Optimization Advices

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 Dova-s.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 Dova-s.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 DOVA S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: