Tools & Wizards About Us
terastella.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

terastella.com

Terastella | WEBサイト作成時に発生するエラーやトラブル対応の備忘録を中心に、いろいろと書いております。

Page Load Speed

7.6 sec in total

First Response

2.1 sec

Resources Loaded

4.8 sec

Page Rendered

716 ms

terastella.com screenshot

About Website

Click here to check amazing Terastella content for Japan. Otherwise, check out these important facts you probably never knew about terastella.com

WEBサイト作成時に発生するエラーやトラブル対応の備忘録を中心に、いろいろと書いております。昔の記事には昔のXOOPS、EC-CUBE、Movable-Typeのことも。

Visit terastella.com

Key Findings

We analyzed Terastella.com page load time and found that the first response time was 2.1 sec and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

terastella.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value22.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

www.terastella.com

2142 ms

wp-emoji-release.min.js

867 ms

shadowbox.css

362 ms

extras.css

370 ms

main_css.css

372 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 62% of them (26 requests) were addressed to the original Terastella.com, 12% (5 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Terastella.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 349.8 kB (71%)

Content Size

492.4 kB

After Optimization

142.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Terastella.com main page is 492.4 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. 30% of websites need less resources to load. Javascripts take 219.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 76.1 kB

  • Original 98.5 kB
  • After minification 97.1 kB
  • After compression 22.3 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 76.1 kB or 77% of the original size.

Image Optimization

-19%

Potential reduce by 3.2 kB

  • Original 16.8 kB
  • After minification 13.6 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, Terastella needs image optimization as it can save up to 3.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 136.4 kB

  • Original 219.1 kB
  • After minification 209.1 kB
  • After compression 82.8 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 136.4 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 134.1 kB

  • Original 158.0 kB
  • After minification 128.9 kB
  • After compression 23.9 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. Terastella.com needs all CSS files to be minified and compressed as it can save up to 134.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (76%)

Requests Now

34

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Terastella. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.terastella.com

www.terastella.com

2142 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

867 ms

shadowbox.css

shadowbox.css

362 ms

extras.css

extras.css

370 ms

main_css.css

main_css.css

372 ms

style.css

style.css

373 ms

main.css

main.css

1438 ms

style.css

style.css

409 ms

style.css

style.css

412 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

780 ms

jquery.js

jquery.js

1325 ms

jquery-migrate.min.js

jquery-migrate.min.js

780 ms

platform.js

platform.js

54 ms

shCore.js

shCore.js

197 ms

shBrushPhp.js

shBrushPhp.js

371 ms

shBrushPlain.js

shBrushPlain.js

373 ms

admin-ajax.php

admin-ajax.php

455 ms

main.js

main.js

447 ms

bootstrap-transition.js

bootstrap-transition.js

544 ms

bootstrap-carousel.js

bootstrap-carousel.js

545 ms

bootstrap-collapse.js

bootstrap-collapse.js

631 ms

bootstrap-tab.js

bootstrap-tab.js

639 ms

wp-embed.min.js

wp-embed.min.js

717 ms

css

css

25 ms

css

css

37 ms

sdk.js

sdk.js

117 ms

phpini_thumb.jpg

phpini_thumb.jpg

543 ms

widgets.js

widgets.js

84 ms

shCore.css

shCore.css

176 ms

shThemeDefault.css

shThemeDefault.css

187 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

21 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

40 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

41 ms

dazS1PrQQuCxC3iOAJFEJZ_TkvowlIOtbR7ePgFOpF4.ttf

dazS1PrQQuCxC3iOAJFEJZ_TkvowlIOtbR7ePgFOpF4.ttf

40 ms

y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf

y7lebkjgREBJK96VQi37Zp0EAVxt0G0biEntp43Qt6E.ttf

40 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

477 ms

55 ms

xd_arbiter.php

xd_arbiter.php

87 ms

xd_arbiter.php

xd_arbiter.php

181 ms

ga.js

ga.js

26 ms

341 ms

__utm.gif

__utm.gif

41 ms

Accessibility Review

terastella.com accessibility score

75

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

Image elements do not have [alt] attributes

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

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 valid value for its [lang] attribute.

Best Practices

terastella.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

terastella.com SEO score

91

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

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 Terastella.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 Terastella.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

terastella.com

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