Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

osami.net

Osami Mizuno - The Official Website | The book titled:"Illusions in Rhythm for Drum set"by Osami Mizuno in collaboration with Vinnie Colaiuta is now a...

Page Load Speed

3 sec in total

First Response

594 ms

Resources Loaded

2.2 sec

Page Rendered

193 ms

osami.net screenshot

About Website

Welcome to osami.net homepage info - get ready to check Osami best content right away, or after learning these important things about osami.net

This is Osami Mizuno's Official Web Site. Osami is a drummer who studied with legendary Alan Dawson in the 70s, and now is trying to keep Alan's legacy alive. His new CD TENMA was just released in Apr...

Visit osami.net

Key Findings

We analyzed Osami.net page load time and found that the first response time was 594 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

osami.net performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value4.6 s

82/100

10%

Network Requests Diagram

osami.net

594 ms

main.css

194 ms

ga.js

11 ms

header_img.jpg

193 ms

Facebook_48.png

349 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Osami.net, 9% (2 requests) were made to Google-analytics.com and 9% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Osami.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.2 kB (4%)

Content Size

299.7 kB

After Optimization

286.5 kB

In fact, the total size of Osami.net main page is 299.7 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. 20% of websites need less resources to load. Images take 270.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.9 kB

  • Original 9.9 kB
  • After minification 7.9 kB
  • After compression 3.0 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 1.9 kB, which is 20% 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 6.9 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 5.9 kB

  • Original 270.4 kB
  • After minification 264.5 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. Osami images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-21%

Potential reduce by 482 B

  • Original 2.3 kB
  • After minification 2.3 kB
  • After compression 1.8 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. Osami.net needs all CSS files to be minified and compressed as it can save up to 482 B or 21% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osami. According to our analytics all requests are already optimized.

Accessibility Review

osami.net accessibility score

52

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.

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

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

Best Practices

osami.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

osami.net SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osami.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osami.net 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 description is not detected on the main page of Osami. 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: