Report Summary

  • 35

    Performance

    Renders faster than
    56% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

nettam.jp

ネットTAM:アートマネジメント総合情報サイト

Page Load Speed

27.6 sec in total

First Response

632 ms

Resources Loaded

25.2 sec

Page Rendered

1.8 sec

nettam.jp screenshot

About Website

Visit nettam.jp now to see the best up-to-date Nettam content for Japan and also check out these interesting facts you probably never knew about nettam.jp

ネットTAM(ネットタム)は、トヨタが企業メセナ協議会と連携して運営する、アートマネジメントに関する総合情報サイトです。

Visit nettam.jp

Key Findings

We analyzed Nettam.jp page load time and found that the first response time was 632 ms and then it took 27 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nettam.jp performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value380 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.185

66/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

nettam.jp

632 ms

www.nettam.jp

3009 ms

reset.css

450 ms

main.css

1483 ms

font-awesome.min.css

50 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 84% of them (58 requests) were addressed to the original Nettam.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Nettam.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 608.2 kB (25%)

Content Size

2.4 MB

After Optimization

1.8 MB

In fact, the total size of Nettam.jp main page is 2.4 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 71.6 kB

  • Original 85.3 kB
  • After minification 58.0 kB
  • After compression 13.7 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. This page needs HTML code to be minified as it can gain 27.3 kB, which is 32% 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 71.6 kB or 84% of the original size.

Image Optimization

-23%

Potential reduce by 520.4 kB

  • Original 2.3 MB
  • After minification 1.8 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. Obviously, Nettam needs image optimization as it can save up to 520.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 63 B

  • Original 20.0 kB
  • After minification 20.0 kB
  • After compression 20.0 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.

CSS Optimization

-77%

Potential reduce by 16.1 kB

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 4.7 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. Nettam.jp needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (19%)

Requests Now

63

After Optimization

51

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nettam. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nettam.jp accessibility score

83

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

nettam.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nettam.jp SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

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

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