Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

saku.io

// sakura note | The reason everyone should learn to code.

Page Load Speed

7.6 sec in total

First Response

471 ms

Resources Loaded

4.2 sec

Page Rendered

3 sec

saku.io screenshot

About Website

Visit saku.io now to see the best up-to-date Saku content for Japan and also check out these interesting facts you probably never knew about saku.io

Visit saku.io

Key Findings

We analyzed Saku.io page load time and found that the first response time was 471 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

saku.io performance score

0

Network Requests Diagram

saku.io

471 ms

saku.io

1390 ms

style.css

339 ms

crayon.min.css

584 ms

classic.css

438 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 79% of them (30 requests) were addressed to the original Saku.io, 11% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Saku.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 941.8 kB (52%)

Content Size

1.8 MB

After Optimization

877.6 kB

In fact, the total size of Saku.io main page is 1.8 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 40.9 kB

  • Original 54.0 kB
  • After minification 51.7 kB
  • After compression 13.1 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 40.9 kB or 76% of the original size.

Image Optimization

-48%

Potential reduce by 687.5 kB

  • Original 1.4 MB
  • After minification 759.2 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, Saku needs image optimization as it can save up to 687.5 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 153.4 kB

  • Original 245.2 kB
  • After minification 239.3 kB
  • After compression 91.8 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 153.4 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 60.0 kB

  • Original 73.6 kB
  • After minification 62.3 kB
  • After compression 13.6 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. Saku.io needs all CSS files to be minified and compressed as it can save up to 60.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (61%)

Requests Now

31

After Optimization

12

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Saku. 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 from 9 to 1 for CSS and as a result speed up the page load time.

SEO Factors

saku.io SEO score

0

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 Saku.io 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 Saku.io 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 Saku. 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: