Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

researchmap.jp

researchmap

Page Load Speed

4.8 sec in total

First Response

579 ms

Resources Loaded

4.2 sec

Page Rendered

100 ms

researchmap.jp screenshot

About Website

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

researchmapは、日本の研究者情報を収集・公開するとともに、研究者等による情報発信の場や研究者等の間の情報交換の場を提供することを目的として、国立研究開発法人科学技術振興機構(JST)が運営するサービスです。

Visit researchmap.jp

Key Findings

We analyzed Researchmap.jp page load time and found that the first response time was 579 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

researchmap.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

researchmap.jp

579 ms

researchmap.jp

1195 ms

bootstrap.min.css

394 ms

bootstrap-datetimepicker.min.css

560 ms

style.css

585 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that all of those requests were addressed to Researchmap.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Researchmap.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.8 kB (24%)

Content Size

202.2 kB

After Optimization

153.5 kB

In fact, the total size of Researchmap.jp main page is 202.2 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. 30% of websites need less resources to load. Images take 102.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 35.6 kB

  • Original 45.9 kB
  • After minification 44.3 kB
  • After compression 10.3 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 35.6 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 5.0 kB

  • Original 102.6 kB
  • After minification 97.6 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. Researchmap images are well optimized though.

CSS Optimization

-15%

Potential reduce by 8.2 kB

  • Original 53.8 kB
  • After minification 52.4 kB
  • After compression 45.6 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. Researchmap.jp needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (85%)

Requests Now

47

After Optimization

7

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Researchmap. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

researchmap.jp accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

researchmap.jp best practices score

83

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

researchmap.jp SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Researchmap.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 Researchmap.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 Researchmap. 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: