Access robotstart.info. ロボスタ - ロボット･AI情報WEBマガジン

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value2,790 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.433

22/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

robotstart.info

883 ms

style.min.css

627 ms

styles.css

171 ms

wpp.css

609 ms

jquery.lazyloadxt.fadein.css

609 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 76% of them (50 requests) were addressed to the original Robotstart.info, 5% (3 requests) were made to Google-analytics.com and 3% (2 requests) were made to T.felmat.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Robotstart.info.

Content Size

2.8 MB

After Optimization

2.2 MB

In fact, the total size of Robotstart.info main page is 2.8 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. 40% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 566.3 kB

Original 617.5 kB
After minification 559.7 kB
After compression 51.2 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 566.3 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 1.7 MB
After minification 1.7 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. Robotstart images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 107.2 kB

Original 451.1 kB
After minification 451.1 kB
After compression 344.0 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 107.2 kB or 24% of the original size.

CSS Optimization

-1%

Potential reduce by 781 B

Original 75.8 kB
After minification 75.5 kB
After compression 75.0 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. Robotstart.info has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robotstart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Robotstart.info 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 Robotstart.info 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

robotstart.info

Open Graph data is detected on the main page of Robotstart. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

ロボスタ - ロボット･AI情報WEBマガジン

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

robotstart.info

style.min.css

styles.css

wpp.css

jquery.lazyloadxt.fadein.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

robotstart.info

style.min.css

styles.css

wpp.css

jquery.lazyloadxt.fadein.css

a3_lazy_load.min.css

wpp.min.js

bundle.css

adsbygoogle.js

gpt.js

bundle.js

jquery.min.js

jquery.lazyloadxt.min.js

jquery.lazyloadxt.extend.js

auto-tagger.js

js

platform.js

bookmark_button.js

jquery.modal.min.css

flexslider.css

public.css

regenerator-runtime.min.js

wp-polyfill.min.js

index.js

logo2.svg

icon_search.svg

search.svg

topics.svg

heart.svg

slide_next.svg

slide_prev.svg

pubads_impl.js

L40034.P88277Q.H734331

lazy_placeholder.gif

edit.svg

bnr_20230309.png

7498fbb9574d0aff3f1a985196856f60.jpg

manga-banner04.jpg

facebook.svg

instagram.svg

twitter.svg

google_plus.svg

youtube.svg