Tools & Wizards About Us

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sharinglab.info

シェアリングの情報サイト「SharingLab」

Page Load Speed

7 sec in total

First Response

1.8 sec

Resources Loaded

4.9 sec

Page Rendered

226 ms

About Website

Click here to check amazing Sharing Lab content for Japan. Otherwise, check out these important facts you probably never knew about sharinglab.info

働き方もフリー同士のコラボレーションするなど新しい価値観が育ってきています。

Visit sharinglab.info

Key Findings

We analyzed Sharinglab.info page load time and found that the first response time was 1.8 sec and then it took 5.1 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

sharinglab.info performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.234

53/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

sharinglab.info

1813 ms

style.css

184 ms

frontend_style.css

358 ms

jquery.fancybox-1.3.4.css

359 ms

social_widget.css

362 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 38% of them (17 requests) were addressed to the original Sharinglab.info, 13% (6 requests) were made to Apis.google.com and 7% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Sharinglab.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.2 kB (11%)

Content Size

358.1 kB

After Optimization

318.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sharinglab.info main page is 358.1 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. 55% of websites need less resources to load. Javascripts take 238.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.9 kB

  • Original 44.3 kB
  • After minification 42.5 kB
  • After compression 9.5 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 34.9 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 973 B

  • Original 58.1 kB
  • After minification 57.2 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. Sharing Lab images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.2 kB

  • Original 238.5 kB
  • After minification 238.5 kB
  • After compression 236.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 2.1 kB

  • Original 17.1 kB
  • After minification 17.1 kB
  • After compression 15.0 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. Sharinglab.info needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (64%)

Requests Now

39

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sharing Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sharinglab.info accessibility score

78

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

sharinglab.info best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sharinglab.info SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Sharinglab.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 Sharinglab.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

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