Tools & Wizards About Us
seesaa.jp screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

seesaa.jp

Seesaa - シーサー株式会社サービス一覧

Page Load Speed

640 ms in total

First Response

9 ms

Resources Loaded

497 ms

Page Rendered

134 ms

seesaa.jp screenshot

About Website

Click here to check amazing Seesaa content for Japan. Otherwise, check out these important facts you probably never knew about seesaa.jp

シーサー株式会社は、Seesaaブログをはじめさまざまなサービスを運営。今後も新しいサービスを提供します。

Visit seesaa.jp

Key Findings

We analyzed Seesaa.jp page load time and found that the first response time was 9 ms and then it took 631 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

seesaa.jp performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.8 s

78/100

10%

Network Requests Diagram

seesaa.jp

9 ms

seesaa.jp

54 ms

normalize.css

34 ms

styles.css

52 ms

js

95 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 81% of them (21 requests) were addressed to the original Seesaa.jp, 8% (2 requests) were made to Googletagmanager.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (341 ms) belongs to the original domain Seesaa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.3 kB (37%)

Content Size

243.3 kB

After Optimization

153.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seesaa.jp main page is 243.3 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 115.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.0 kB

  • Original 7.2 kB
  • After minification 6.5 kB
  • After compression 2.3 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 5.0 kB or 69% of the original size.

Image Optimization

-13%

Potential reduce by 13.5 kB

  • Original 107.6 kB
  • After minification 94.1 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, Seesaa needs image optimization as it can save up to 13.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 61.3 kB

  • Original 115.9 kB
  • After minification 115.6 kB
  • After compression 54.6 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 61.3 kB or 53% of the original size.

CSS Optimization

-84%

Potential reduce by 10.5 kB

  • Original 12.6 kB
  • After minification 5.9 kB
  • After compression 2.1 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. Seesaa.jp needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

24

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seesaa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

seesaa.jp

seesaa.jp

9 ms

seesaa.jp

seesaa.jp

54 ms

normalize.css

normalize.css

34 ms

styles.css

styles.css

52 ms

js

js

95 ms

jquery.min.js

jquery.min.js

27 ms

main.js

main.js

47 ms

bg_header.jpg

bg_header.jpg

220 ms

img_logo.gif

img_logo.gif

54 ms

bg_head-comment.gif

bg_head-comment.gif

56 ms

img_seesaa.gif

img_seesaa.gif

56 ms

cover_boomapp.png

cover_boomapp.png

161 ms

img_logo-blog.png

img_logo-blog.png

163 ms

img_logo-seesaawiki.png

img_logo-seesaawiki.png

89 ms

img_logo-boomappgames.png

img_logo-boomappgames.png

89 ms

img_logo-download.png

img_logo-download.png

159 ms

img_logo-yoor.png

img_logo-yoor.png

162 ms

img_logo-instantx.png

img_logo-instantx.png

320 ms

img_logo-tabhanabi.png

img_logo-tabhanabi.png

163 ms

img_logo-taphanabiworld.png

img_logo-taphanabiworld.png

324 ms

img_logo-mangakit.png

img_logo-mangakit.png

334 ms

bg_footer.gif

bg_footer.gif

173 ms

bg_footermenu.gif

bg_footermenu.gif

341 ms

js

js

48 ms

analytics.js

analytics.js

19 ms

collect

collect

74 ms

Accessibility Review

seesaa.jp accessibility score

95

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.

Best Practices

seesaa.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

seesaa.jp SEO score

100

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

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 Seesaa.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 Seesaa.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

seesaa.jp

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