Tools & Wizards About Us
seolaboratory.jp screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

seolaboratory.jp

ディーボのSEOラボ

Page Load Speed

6.2 sec in total

First Response

550 ms

Resources Loaded

5 sec

Page Rendered

650 ms

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 550 ms and then it took 5.6 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

seolaboratory.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value12,910 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

Network Requests Diagram

seolaboratory.jp

550 ms

seolaboratory.jp

875 ms

dgwtl.css

433 ms

dgwtl.js

555 ms

jquery.min.js

29 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 74% of them (59 requests) were addressed to the original Seolaboratory.jp, 4% (3 requests) were made to Connect.facebook.net and 3% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Seolaboratory.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 233.2 kB (15%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seolaboratory.jp main page is 1.5 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. 55% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 55.5 kB

  • Original 70.1 kB
  • After minification 70.0 kB
  • After compression 14.6 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 55.5 kB or 79% of the original size.

Image Optimization

-11%

Potential reduce by 136.4 kB

  • Original 1.2 MB
  • After minification 1.1 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 136.4 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

-20%

Potential reduce by 40.0 kB

  • Original 195.7 kB
  • After minification 195.7 kB
  • After compression 155.7 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 40.0 kB or 20% of the original size.

CSS Optimization

-4%

Potential reduce by 1.4 kB

  • Original 36.9 kB
  • After minification 36.9 kB
  • After compression 35.5 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (36%)

Requests Now

74

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 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 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

seolaboratory.jp

seolaboratory.jp

550 ms

seolaboratory.jp

seolaboratory.jp

875 ms

dgwtl.css

dgwtl.css

433 ms

dgwtl.js

dgwtl.js

555 ms

jquery.min.js

jquery.min.js

29 ms

dgwtl.js

dgwtl.js

566 ms

dgwtl.css

dgwtl.css

645 ms

widgets.js

widgets.js

25 ms

js

js

64 ms

s_retargeting.js

s_retargeting.js

951 ms

conversion.js

conversion.js

801 ms

fbevents.js

fbevents.js

63 ms

header_logo.gif

header_logo.gif

229 ms

cta_img01.png

cta_img01.png

371 ms

ioix.png

ioix.png

274 ms

toyokeizai.png

toyokeizai.png

211 ms

targetmedia.png

targetmedia.png

374 ms

miraiworks.png

miraiworks.png

427 ms

customedia.png

customedia.png

483 ms

osouji.png

osouji.png

555 ms

carconmarket.png

carconmarket.png

561 ms

realestate.png

realestate.png

637 ms

imagenavi.png

imagenavi.png

638 ms

rainmaker.png

rainmaker.png

640 ms

bondy.png

bondy.png

701 ms

richmond.png

richmond.png

740 ms

shinsei.png

shinsei.png

746 ms

flashmobjapan.png

flashmobjapan.png

850 ms

idea.png

idea.png

1063 ms

seethelight.png

seethelight.png

855 ms

organic-search-1.png

organic-search-1.png

1138 ms

seo-writing.png

seo-writing.png

1110 ms

spam-update.png

spam-update.png

1115 ms

seo-seminar-default-17.png

seo-seminar-default-17.png

1274 ms

seo-tool.png

seo-tool.png

1279 ms

seo-keyword-select.png

seo-keyword-select.png

1699 ms

contents-seo-2.png

contents-seo-2.png

1481 ms

seocheki.png

seocheki.png

1485 ms

crawlability-seo.png

crawlability-seo.png

1355 ms

core-update.png

core-update.png

1486 ms

seo-starter-guide.png

seo-starter-guide.png

1493 ms

mobile-friendly.png

mobile-friendly.png

1575 ms

seo-usability.png

seo-usability.png

1666 ms

seo-ux.png

seo-ux.png

1671 ms

reviews-update.png

reviews-update.png

1700 ms

seo-3.png

seo-3.png

1919 ms

seo_text.png

seo_text.png

1793 ms

search-rank-check-tool.png

search-rank-check-tool.png

1821 ms

1656 ms

uwt.js

uwt.js

36 ms

fa-solid-900.woff

fa-solid-900.woff

1900 ms

3vfm3uouf2

3vfm3uouf2

68 ms

sdk.js

sdk.js

3 ms

sdk.js

sdk.js

15 ms

93 ms

fa-regular-400.woff

fa-regular-400.woff

1643 ms

adsct

adsct

46 ms

adsct

adsct

151 ms

adsct

adsct

174 ms

adsct

adsct

46 ms

clarity.js

clarity.js

21 ms

conversion_async.js

conversion_async.js

1405 ms

cmt.js

cmt.js

357 ms

fa-brands-400.woff

fa-brands-400.woff

1645 ms

index_devo_logo.gif

index_devo_logo.gif

1667 ms

footer_logo.png

footer_logo.png

1627 ms

seolaboratory_250_250_kf_d.gif

seolaboratory_250_250_kf_d.gif

1648 ms

seolaboratory_250_250_s.gif

seolaboratory_250_250_s.gif

1605 ms

seolaboratory_300_250_k.gif

seolaboratory_300_250_k.gif

1675 ms

579 ms

slick.css

slick.css

360 ms

slick-theme.css

slick-theme.css

373 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

15 ms

slick.js

slick.js

476 ms

amcharts.js

amcharts.js

694 ms

serial.js

serial.js

482 ms

thunder2.gif

thunder2.gif

215 ms

ajax-loader.gif

ajax-loader.gif

187 ms

slick.woff

slick.woff

220 ms

c.gif

c.gif

7 ms

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: