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name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value20.6 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value2,550 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.456

20/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

naps-jp.com

40 ms

www.naps-jp.com

7418 ms

analytics.js

18 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original Naps-jp.com, 33% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Naps-jp.com.

Content Size

25.6 kB

After Optimization

24.2 kB

In fact, the total size of Naps-jp.com main page is 25.6 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 21.0 kB which makes up the majority of the site volume.

HTML Optimization

-29%

Potential reduce by 1.3 kB

Original 4.6 kB
After minification 4.6 kB
After compression 3.3 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 1.3 kB or 29% of the original size.

JavaScript Optimization

-0%

Potential reduce by 50 B

Original 21.0 kB
After minification 21.0 kB
After compression 20.9 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.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NAPS Jp. According to our analytics all requests are already optimized.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

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 Naps-jp.com 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 Naps-jp.com 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

naps-jp.com

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