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octa.jp screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

octa.jp

OCTA - Integrated Simulation System for Soft Materials, Free and open software of Multi-Scale Simulation for Materials Design

Page Load Speed

4.2 sec in total

First Response

471 ms

Resources Loaded

2.9 sec

Page Rendered

880 ms

octa.jp screenshot

About Website

Welcome to octa.jp homepage info - get ready to check OCTA best content right away, or after learning these important things about octa.jp

OCTA is a free software for modeling and simulation of Soft Materials (Soft Matter). It is an integrated system for Multi-Scale Simulation, including molecular simulations such as Coarse-Grained Molec...

Visit octa.jp

Key Findings

We analyzed Octa.jp page load time and found that the first response time was 471 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

octa.jp performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

octa.jp

471 ms

octa.jp

728 ms

base.css

668 ms

home.css

523 ms

jquery.min.js

868 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Octa.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (868 ms) belongs to the original domain Octa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.0 kB (49%)

Content Size

194.2 kB

After Optimization

99.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Octa.jp main page is 194.2 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. 15% of websites need less resources to load. Javascripts take 95.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 7.7 kB

  • Original 10.2 kB
  • After minification 8.5 kB
  • After compression 2.5 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 1.7 kB, which is 17% 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 7.7 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 632 B

  • Original 60.1 kB
  • After minification 59.4 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. OCTA images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 63.2 kB

  • Original 95.7 kB
  • After minification 93.9 kB
  • After compression 32.4 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 63.2 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 23.4 kB

  • Original 28.3 kB
  • After minification 20.1 kB
  • After compression 4.8 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. Octa.jp needs all CSS files to be minified and compressed as it can save up to 23.4 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OCTA. According to our analytics all requests are already optimized.

Network Requests Diagram

octa.jp

octa.jp

471 ms

octa.jp

octa.jp

728 ms

base.css

base.css

668 ms

home.css

home.css

523 ms

jquery.min.js

jquery.min.js

868 ms

common.js

common.js

531 ms

logo_OCTA_S.jpg

logo_OCTA_S.jpg

490 ms

logo_OCTA_L.jpg

logo_OCTA_L.jpg

518 ms

btn_scrollDown.jpg

btn_scrollDown.jpg

520 ms

keyVisual.jpg

keyVisual.jpg

712 ms

btn_toTop.png

btn_toTop.png

541 ms

Accessibility Review

octa.jp accessibility score

95

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.

Best Practices

octa.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

SEO Factors

octa.jp SEO score

98

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Octa.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Octa.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

octa.jp

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