Tools & Wizards About Us
spacetimebookshop.blogspot.jp screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

spacetimebookshop.blogspot.jp

時空研究書苑 Spacetime bookshop/時空研究出版社 + Spacetime Academy

Page Load Speed

2.8 sec in total

First Response

837 ms

Resources Loaded

1.9 sec

Page Rendered

51 ms

spacetimebookshop.blogspot.jp screenshot

About Website

Click here to check amazing Spacetime Bookshop Blogspot content for Japan. Otherwise, check out these important facts you probably never knew about spacetimebookshop.blogspot.jp

Spacetime bookshop，Spacetime Academy， Spacetime physics，Let's learn physics from our daily life，生活中的物理學，科學想想

Visit spacetimebookshop.blogspot.jp

Key Findings

We analyzed Spacetimebookshop.blogspot.jp page load time and found that the first response time was 837 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

spacetimebookshop.blogspot.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.382

27/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

spacetimebookshop.blogspot.jp

837 ms

spacetimebookshop.blogspot.com

91 ms

spacetimebookshop.blogspot.com

88 ms

3566091532-css_bundle_v2.css

20 ms

common.js

34 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Spacetimebookshop.blogspot.jp, 31% (4 requests) were made to Blogger.com and 31% (4 requests) were made to Blogblog.com. The less responsive or slowest element that took the longest time to load (837 ms) belongs to the original domain Spacetimebookshop.blogspot.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.1 kB (7%)

Content Size

379.6 kB

After Optimization

354.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Spacetimebookshop.blogspot.jp main page is 379.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 349.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 16.8 kB

  • Original 21.9 kB
  • After minification 21.8 kB
  • After compression 5.1 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 16.8 kB or 77% of the original size.

JavaScript Optimization

-2%

Potential reduce by 8.2 kB

  • Original 349.9 kB
  • After minification 349.9 kB
  • After compression 341.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 2 B

  • Original 7.8 kB
  • After minification 7.8 kB
  • After compression 7.8 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. Spacetimebookshop.blogspot.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (50%)

Requests Now

10

After Optimization

5

  • AJAX
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spacetime Bookshop Blogspot. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

spacetimebookshop.blogspot.jp

spacetimebookshop.blogspot.jp

837 ms

spacetimebookshop.blogspot.com

spacetimebookshop.blogspot.com

91 ms

spacetimebookshop.blogspot.com

spacetimebookshop.blogspot.com

88 ms

3566091532-css_bundle_v2.css

3566091532-css_bundle_v2.css

20 ms

common.js

common.js

34 ms

lang__zh_tw.js

lang__zh_tw.js

80 ms

magazine.js

magazine.js

86 ms

comments.js

comments.js

740 ms

4140855455-widgets.js

4140855455-widgets.js

23 ms

analytics.js

analytics.js

19 ms

authorization.css

authorization.css

91 ms

collect

collect

12 ms

authorization.css

authorization.css

22 ms

Accessibility Review

spacetimebookshop.blogspot.jp accessibility score

72

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

Image elements do not have [alt] attributes

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

spacetimebookshop.blogspot.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

spacetimebookshop.blogspot.jp SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spacetimebookshop.blogspot.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Spacetimebookshop.blogspot.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

spacetimebookshop.blogspot.jp

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: