Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

seesaa.jp

Seesaa - シーサー株式会社サービス一覧

Page Load Speed

3.4 sec in total

First Response

685 ms

Resources Loaded

2.6 sec

Page Rendered

128 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 685 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

seesaa.jp performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

seesaa.jp

685 ms

normalize.css

313 ms

styles.css

315 ms

jquery.min.js

10 ms

main.js

347 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 98% of them (42 requests) were addressed to the original Seesaa.jp, 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Seesaa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.9 kB (18%)

Content Size

934.0 kB

After Optimization

768.1 kB

In fact, the total size of Seesaa.jp main page is 934.0 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. Images take 788.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 11.2 kB

  • Original 14.6 kB
  • After minification 12.6 kB
  • After compression 3.4 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 11.2 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 78.2 kB

  • Original 788.8 kB
  • After minification 710.5 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. Seesaa images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 19.0 kB

  • Original 60.5 kB
  • After minification 60.3 kB
  • After compression 41.5 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 19.0 kB or 31% of the original size.

CSS Optimization

-82%

Potential reduce by 57.5 kB

  • Original 70.2 kB
  • After minification 60.6 kB
  • After compression 12.6 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 57.5 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

42

After Optimization

42

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seesaa. According to our analytics all requests are already optimized.

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

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: