Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

nanos.jp

ナノ - 無料携帯ホームページ作成

Page Load Speed

2.1 sec in total

First Response

354 ms

Resources Loaded

1.7 sec

Page Rendered

111 ms

nanos.jp screenshot

About Website

Welcome to nanos.jp homepage info - get ready to check Nanos best content for Japan right away, or after learning these important things about nanos.jp

独自のデザインにこだわりたい人のための3キャリア対応携帯ホームページ作成サービス。アルバム・小説・ブログなど定番機能も充実。

Visit nanos.jp

Key Findings

We analyzed Nanos.jp page load time and found that the first response time was 354 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nanos.jp performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value30,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value44.0 s

0/100

10%

Network Requests Diagram

nanos.jp

354 ms

63867.gif

318 ms

banner_l.gif

332 ms

mj.php

358 ms

logo.gif

166 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Nanos.jp, 77% (20 requests) were made to Img.mobilerz.net and 8% (2 requests) were made to Lyze.jp. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Img.mobilerz.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.0 kB (74%)

Content Size

230.7 kB

After Optimization

60.7 kB

In fact, the total size of Nanos.jp main page is 230.7 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 204.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 7.9 kB

  • Original 10.6 kB
  • After minification 10.6 kB
  • After compression 2.7 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 7.9 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 885 B

  • Original 9.3 kB
  • After minification 8.5 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. Nanos images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 155.9 kB

  • Original 204.3 kB
  • After minification 195.7 kB
  • After compression 48.5 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 155.9 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 5.4 kB

  • Original 6.4 kB
  • After minification 5.0 kB
  • After compression 1.0 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. Nanos.jp needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (80%)

Requests Now

25

After Optimization

5

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nanos. 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.

Accessibility Review

nanos.jp accessibility score

69

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

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

nanos.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nanos.jp SEO score

100

Search Engine Optimization Advices

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

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nanos.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 Nanos.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

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