Tools & Wizards About Us
seolaboratory.jp screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

seolaboratory.jp

SEOの疑問を実験で解明しブログ配信｜SEOラボ

Page Load Speed

8.4 sec in total

First Response

1.5 sec

Resources Loaded

5.4 sec

Page Rendered

1.5 sec

seolaboratory.jp screenshot

About Website

Welcome to seolaboratory.jp homepage info - get ready to check Seolaboratory best content for Japan right away, or after learning these important things about seolaboratory.jp

SEOラボとは、SEOの基礎知識から実践方法までを、初心者にもわかりやすく限りなくまとめたSEO専門のブログです。このブログは株式会社ディーボが運営してます。ディーボが十数年培った精度の高い独自のSEOノウハウ（実験による分析データ等）を盛り込んだ最新のSEO情報を公開してるブログが「SEOラボ」となります。

Visit seolaboratory.jp

Key Findings

We analyzed Seolaboratory.jp page load time and found that the first response time was 1.5 sec and then it took 6.9 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

seolaboratory.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value2,130 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

seolaboratory.jp

1489 ms

index.css

294 ms

jquery.min.js

33 ms

pagetop.js

315 ms

imghover.js

349 ms

Our browser made a total of 222 requests to load all elements on the main page. We found that 13% of them (28 requests) were addressed to the original Seolaboratory.jp, 15% (34 requests) were made to Pbs.twimg.com and 13% (29 requests) were made to Devo.jp. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Seolaboratory.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 466.8 kB (19%)

Content Size

2.5 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seolaboratory.jp main page is 2.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 111.3 kB

  • Original 136.0 kB
  • After minification 130.8 kB
  • After compression 24.7 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 111.3 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 237.2 kB

  • Original 2.1 MB
  • After minification 1.9 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. Obviously, Seolaboratory needs image optimization as it can save up to 237.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-41%

Potential reduce by 78.4 kB

  • Original 192.1 kB
  • After minification 180.5 kB
  • After compression 113.8 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 78.4 kB or 41% of the original size.

CSS Optimization

-78%

Potential reduce by 39.9 kB

  • Original 51.1 kB
  • After minification 38.4 kB
  • After compression 11.2 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. Seolaboratory.jp needs all CSS files to be minified and compressed as it can save up to 39.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 83 (38%)

Requests Now

217

After Optimization

134

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 217 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seolaboratory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

seolaboratory.jp

seolaboratory.jp

1489 ms

index.css

index.css

294 ms

jquery.min.js

jquery.min.js

33 ms

pagetop.js

pagetop.js

315 ms

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imghover.js

349 ms

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355 ms

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325 ms

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226 ms

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syndication

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243 ms

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348 ms

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492 ms

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466 ms

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Accessibility Review

seolaboratory.jp accessibility score

92

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

Links do not have a discernible name

Best Practices

seolaboratory.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

seolaboratory.jp SEO score

97

Search Engine Optimization Advices

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 Seolaboratory.jp 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 Seolaboratory.jp 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

seolaboratory.jp

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