Tools & Wizards About Us
one-0.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

one-0.com

ギターソロに酔いしれて｜ギタリストのための動画情報サイト

Page Load Speed

4.1 sec in total

First Response

544 ms

Resources Loaded

3 sec

Page Rendered

595 ms

one-0.com screenshot

About Website

Visit one-0.com now to see the best up-to-date One 0 content for Japan and also check out these interesting facts you probably never knew about one-0.com

ギターソロに酔いしれてでは、ギタリストのギターソロに注目してギタリストのギター動画を紹介。その他にもギター練習に役立つテクニック等も掲載しています。

Visit one-0.com

Key Findings

We analyzed One-0.com page load time and found that the first response time was 544 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

one-0.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

16/100

25%

SI (Speed Index)

Value9.2 s

14/100

10%

TBT (Total Blocking Time)

Value510 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

one-0.com

544 ms

www.one-0.com

850 ms

styles.css

685 ms

0.gif

1283 ms

yahoo.gif

349 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original One-0.com, 6% (1 request) were made to Www19.a8.net. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Www19.a8.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.5 kB (40%)

Content Size

146.5 kB

After Optimization

88.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of One-0.com main page is 146.5 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. Only 5% of websites need less resources to load. Images take 87.2 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 15.9 kB

  • Original 23.2 kB
  • After minification 23.1 kB
  • After compression 7.3 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 15.9 kB or 69% of the original size.

Image Optimization

-15%

Potential reduce by 12.9 kB

  • Original 87.2 kB
  • After minification 74.3 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, One 0 needs image optimization as it can save up to 12.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-82%

Potential reduce by 29.7 kB

  • Original 36.1 kB
  • After minification 28.6 kB
  • After compression 6.4 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. One-0.com needs all CSS files to be minified and compressed as it can save up to 29.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

  • Images
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of One 0. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

one-0.com

one-0.com

544 ms

www.one-0.com

www.one-0.com

850 ms

styles.css

styles.css

685 ms

0.gif

0.gif

1283 ms

yahoo.gif

yahoo.gif

349 ms

searchbutton.jpg

searchbutton.jpg

332 ms

tables.css

tables.css

332 ms

commonstyles.css

commonstyles.css

350 ms

cnt_bg.png

cnt_bg.png

167 ms

header.jpg

header.jpg

874 ms

contents_bg_left.jpg

contents_bg_left.jpg

172 ms

h3.jpg

h3.jpg

497 ms

h4.jpg

h4.jpg

508 ms

h5.jpg

h5.jpg

343 ms

menu_h4.jpg

menu_h4.jpg

347 ms

menu_bg.gif

menu_bg.gif

351 ms

footer.gif

footer.gif

513 ms

Accessibility Review

one-0.com accessibility score

68

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

one-0.com best practices score

85

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

one-0.com SEO score

92

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

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

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 One-0.com 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 One-0.com 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

one-0.com

Open Graph description is not detected on the main page of One 0. 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: