Tools & Wizards About Us
opac.osakafu-u.ac.jp screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

opac.osakafu-u.ac.jp

OPAC | 大阪府立大学 図書館

Page Load Speed

1.3 sec in total

First Response

613 ms

Resources Loaded

616 ms

Page Rendered

73 ms

opac.osakafu-u.ac.jp screenshot

About Website

Welcome to opac.osakafu-u.ac.jp homepage info - get ready to check OPAC Osakafu U best content for Japan right away, or after learning these important things about opac.osakafu-u.ac.jp

Visit opac.osakafu-u.ac.jp

Key Findings

We analyzed Opac.osakafu-u.ac.jp page load time and found that the first response time was 613 ms and then it took 689 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

opac.osakafu-u.ac.jp performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.1

90/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

opac.osakafu-u.ac.jp

613 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Opac.osakafu-u.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (613 ms) belongs to the original domain Opac.osakafu-u.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 133 B (34%)

Content Size

393 B

After Optimization

260 B

  • HTML

In fact, the total size of Opac.osakafu-u.ac.jp main page is 393 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 393 B which makes up the majority of the site volume.

HTML Optimization

-34%

Potential reduce by 133 B

  • Original 393 B
  • After minification 389 B
  • After compression 260 B

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 133 B or 34% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

opac.osakafu-u.ac.jp

opac.osakafu-u.ac.jp

613 ms

Accessibility Review

opac.osakafu-u.ac.jp accessibility score

89

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

Form elements do not have associated labels

Best Practices

opac.osakafu-u.ac.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

opac.osakafu-u.ac.jp SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opac.osakafu-u.ac.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 Opac.osakafu-u.ac.jp main page’s claimed encoding is euc-jp. 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

opac.osakafu-u.ac.jp

Open Graph description is not detected on the main page of OPAC Osakafu U. 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: