Access sanpo-pub.co.jp. 産報出版

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.766

5/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

sanpo-pub.co.jp

923 ms

css2

55 ms

slick-theme.min.css

49 ms

slick.min.css

61 ms

styles.css

557 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 80% of them (73 requests) were addressed to the original Sanpo-pub.co.jp, 8% (7 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Sanpo-pub.co.jp.

Content Size

4.9 MB

After Optimization

4.7 MB

In fact, the total size of Sanpo-pub.co.jp main page is 4.9 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. 50% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 80.4 kB

Original 89.8 kB
After minification 49.0 kB
After compression 9.4 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 40.9 kB, which is 45% 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 80.4 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 37.8 kB

Original 4.7 MB
After minification 4.7 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. Sanpo Pub images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 12.3 kB

Original 47.6 kB
After minification 43.1 kB
After compression 35.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 12.3 kB or 26% of the original size.

CSS Optimization

-82%

Potential reduce by 15.3 kB

Original 18.8 kB
After minification 13.3 kB
After compression 3.5 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. Sanpo-pub.co.jp needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanpo Pub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanpo-pub.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sanpo-pub.co.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

sanpo-pub.co.jp

Open Graph data is detected on the main page of Sanpo Pub. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

産報出版

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

sanpo-pub.co.jp

css2

slick-theme.min.css

slick.min.css

styles.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

sanpo-pub.co.jp

css2

slick-theme.min.css

slick.min.css

styles.css

css2

js

1.js

2.js

3.js

4.js

jquery.min.js

slick.min.js

main.js

bulma.min.css

logo-up.svg

ico-1.svg

ico-2.svg

ico-3.svg

ico-4.svg

ico-5.svg

ico-6.svg

ico-7.svg

ico-column.svg

wel-chara.png

ico-book.svg

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