Access trass-osablog.com. ウェブ解析士小佐野宇志の日本・中国ITブログ

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

trass-osablog.com

1849 ms

wp-emoji-release.min.js

388 ms

style.css

1089 ms

visual-custom.css

440 ms

screen.min.css

442 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 26% of them (33 requests) were addressed to the original Trass-osablog.com, 27% (34 requests) were made to B.hatena.ne.jp and 16% (20 requests) were made to Graph.facebook.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Trass-osablog.com.

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Trass-osablog.com main page is 2.1 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 73.6 kB

Original 88.3 kB
After minification 87.8 kB
After compression 14.7 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 73.6 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 131.2 kB

Original 1.7 MB
After minification 1.6 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. Trass Osablog images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 46.1 kB

Original 190.4 kB
After minification 189.4 kB
After compression 144.3 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 46.1 kB or 24% of the original size.

CSS Optimization

-78%

Potential reduce by 78.8 kB

Original 100.8 kB
After minification 100.3 kB
After compression 22.0 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. Trass-osablog.com needs all CSS files to be minified and compressed as it can save up to 78.8 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trass Osablog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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/).

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 Trass-osablog.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 Trass-osablog.com 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

trass-osablog.com

Open Graph description is not detected on the main page of Trass Osablog. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

ウェブ解析士 小佐野宇志の日本・中国ITブログ

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

trass-osablog.com

wp-emoji-release.min.js

style.css

visual-custom.css

screen.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

trass-osablog.com

wp-emoji-release.min.js

style.css

visual-custom.css

screen.min.css

jquery.min.js

adsbygoogle.js

widget.js

widget.js

jquery.easing.min.js

imagesloaded.min.js

jquery.fitvids.min.js

jquery.masonry.min.js

theme-import.min.js

front.min.js

wp-embed.min.js

ga.js

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ウェブ解析士小佐野宇志の日本・中国ITブログ