Tools & Wizards About Us

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

demolesson.com

クレジットカード払いができる学資保険は？

Page Load Speed

2.1 sec in total

First Response

540 ms

Resources Loaded

1.4 sec

Page Rendered

147 ms

About Website

Visit demolesson.com now to see the best up-to-date Demolesson content and also check out these interesting facts you probably never knew about demolesson.com

学資保険の中にはクレジットカード払いに対応しているものがあります。カードのポイントを効率よく貯められるようになるためとてもおすすめできます。ぜひとも利用してみましょう。

Visit demolesson.com

Key Findings

We analyzed Demolesson.com page load time and found that the first response time was 540 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

demolesson.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

demolesson.com

540 ms

style.css

184 ms

rov.js

320 ms

to_top.js

321 ms

bg.gif

184 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Demolesson.com and no external sources were called. The less responsive or slowest element that took the longest time to load (540 ms) belongs to the original domain Demolesson.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.6 kB (43%)

Content Size

59.0 kB

After Optimization

33.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Demolesson.com main page is 59.0 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. Only 5% of websites need less resources to load. Images take 26.9 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 4.7 kB

  • Original 7.0 kB
  • After minification 6.6 kB
  • After compression 2.4 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. 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 4.7 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 2 B

  • Original 26.9 kB
  • After minification 26.9 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. Demolesson images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 632 B

  • Original 1.1 kB
  • After minification 862 B
  • After compression 450 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 632 B or 58% of the original size.

CSS Optimization

-85%

Potential reduce by 20.3 kB

  • Original 23.9 kB
  • After minification 18.7 kB
  • After compression 3.6 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. Demolesson.com needs all CSS files to be minified and compressed as it can save up to 20.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (50%)

Requests Now

12

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demolesson. 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

Accessibility Review

demolesson.com accessibility score

100

Accessibility Issues

Best Practices

demolesson.com best practices score

75

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

SEO Factors

demolesson.com SEO score

75

Search Engine Optimization Advices

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 Demolesson.com 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 Demolesson.com 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

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