Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

ostec.or.jp

OSTEC 一般財団法人 大阪科学技術センター | 科学技術の振興ならびに関西産業発展のための諸事業を積極的に推進する「一般財団法人 大阪科学技術センター」のホームページです

Page Load Speed

5 sec in total

First Response

901 ms

Resources Loaded

3.9 sec

Page Rendered

201 ms

ostec.or.jp screenshot

About Website

Click here to check amazing OSTEC content for Japan. Otherwise, check out these important facts you probably never knew about ostec.or.jp

科学技術の振興ならびに関西産業発展のための諸事業を積極的に推進する「一般財団法人 大阪科学技術センター」のホームページです

Visit ostec.or.jp

Key Findings

We analyzed Ostec.or.jp page load time and found that the first response time was 901 ms and then it took 4.1 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

ostec.or.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.251

49/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

www.ostec.or.jp

901 ms

analytics.js

39 ms

wp-emoji-release.min.js

294 ms

style.css

321 ms

fullcalendar.min.css

494 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 90% of them (53 requests) were addressed to the original Ostec.or.jp, 7% (4 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Ostec.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 776.7 kB (34%)

Content Size

2.3 MB

After Optimization

1.5 MB

In fact, the total size of Ostec.or.jp main page is 2.3 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.8 kB

  • Original 34.8 kB
  • After minification 29.5 kB
  • After compression 8.1 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 5.3 kB, which is 15% 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 26.8 kB or 77% of the original size.

Image Optimization

-23%

Potential reduce by 407.4 kB

  • Original 1.8 MB
  • After minification 1.4 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, OSTEC needs image optimization as it can save up to 407.4 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

-68%

Potential reduce by 258.2 kB

  • Original 381.1 kB
  • After minification 273.8 kB
  • After compression 122.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 258.2 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 84.3 kB

  • Original 106.6 kB
  • After minification 94.7 kB
  • After compression 22.3 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. Ostec.or.jp needs all CSS files to be minified and compressed as it can save up to 84.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (40%)

Requests Now

57

After Optimization

34

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSTEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ostec.or.jp accessibility score

84

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ostec.or.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

ostec.or.jp SEO score

71

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Ostec.or.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 Ostec.or.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 OSTEC. 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: