Tools & Wizards About Us
sanzin.co.jp screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sanzin.co.jp

ホームページ制作・SEO対策なら | 有限会社サンジン | 山形県山形市

Page Load Speed

3.1 sec in total

First Response

518 ms

Resources Loaded

2.6 sec

Page Rendered

68 ms

sanzin.co.jp screenshot

About Website

Visit sanzin.co.jp now to see the best up-to-date Sanzin content and also check out these interesting facts you probably never knew about sanzin.co.jp

山形県山形市にある有限会社サンジンは、ホームページ制作はもちろん、SEO対策やメールマガジンなどインターネットを利用した広告戦略をお客様に提供します。

Visit sanzin.co.jp

Key Findings

We analyzed Sanzin.co.jp page load time and found that the first response time was 518 ms and then it took 2.6 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

sanzin.co.jp performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

sanzin.co.jp

518 ms

common.css

178 ms

sanan.js

508 ms

head_line.gif

177 ms

sanzin_logo.gif

330 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Sanzin.co.jp, 4% (1 request) were made to Demo.sanzin.co.jp. The less responsive or slowest element that took the longest time to load (987 ms) belongs to the original domain Sanzin.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.7 kB (7%)

Content Size

85.2 kB

After Optimization

79.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sanzin.co.jp main page is 85.2 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. Only 10% of websites need less resources to load. Images take 76.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 5.6 kB

  • Original 7.7 kB
  • After minification 7.4 kB
  • After compression 2.1 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 5.6 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 76.8 kB
  • After minification 76.8 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. Sanzin images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 41 B

  • Original 367 B
  • After minification 367 B
  • After compression 326 B

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 41 B or 11% of the original size.

CSS Optimization

-41%

Potential reduce by 147 B

  • Original 355 B
  • After minification 355 B
  • After compression 208 B

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. Sanzin.co.jp needs all CSS files to be minified and compressed as it can save up to 147 B or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (35%)

Requests Now

26

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanzin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

sanzin.co.jp

sanzin.co.jp

518 ms

common.css

common.css

178 ms

sanan.js

sanan.js

508 ms

head_line.gif

head_line.gif

177 ms

sanzin_logo.gif

sanzin_logo.gif

330 ms

right_line.gif

right_line.gif

331 ms

main_image.jpg

main_image.jpg

690 ms

menu_parts.gif

menu_parts.gif

350 ms

menu_service_nsel.gif

menu_service_nsel.gif

344 ms

menu_case_nsel.gif

menu_case_nsel.gif

350 ms

menu_seminar_nsel.gif

menu_seminar_nsel.gif

495 ms

menu_profile_nsel.gif

menu_profile_nsel.gif

495 ms

right_line3.gif

right_line3.gif

515 ms

menu_home_sel.gif

menu_home_sel.gif

524 ms

f_left.gif

f_left.gif

526 ms

right_line2.gif

right_line2.gif

658 ms

spacer.gif

spacer.gif

659 ms

news_topix.gif

news_topix.gif

685 ms

image_photo.gif

image_photo.gif

698 ms

news_topix_point_long.gif

news_topix_point_long.gif

700 ms

pickup.gif

pickup.gif

823 ms

banner_blog.gif

banner_blog.gif

824 ms

information.gif

information.gif

857 ms

pagetop.gif

pagetop.gif

858 ms

hr.gif

hr.gif

872 ms

footer_sanzin_logo.gif

footer_sanzin_logo.gif

874 ms

btm_line.gif

btm_line.gif

987 ms

sanan.php

sanan.php

530 ms

Accessibility Review

sanzin.co.jp accessibility score

68

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

Image elements do not have [alt] attributes

Best Practices

sanzin.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sanzin.co.jp SEO score

67

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanzin.co.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 Sanzin.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sanzin.co.jp

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