Report Summary

  • 31

    Performance

    Renders faster than
    52% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

uminomori.jp

仙台うみの杜水族館 | 仙台うみの杜水族館

Page Load Speed

7.4 sec in total

First Response

474 ms

Resources Loaded

6.3 sec

Page Rendered

628 ms

uminomori.jp screenshot

About Website

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

海と人、水と人との、 新しい「つながり」をうみだす水族館。仙台うみの杜水族館は、大水槽や川の水槽をはじめ、海の動物たちによる東北最大級のパフォーマンスや、ペンギンやアシカ等とのふれあいなど、豊かな東北の海の魅力を、見て・さわって・感じることができます。

Visit uminomori.jp

Key Findings

We analyzed Uminomori.jp page load time and found that the first response time was 474 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

uminomori.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.135

80/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

uminomori.jp

474 ms

353 ms

806 ms

638 ms

431 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 58% of them (47 requests) were addressed to the original Uminomori.jp, 25% (20 requests) were made to Pbs.twimg.com and 9% (7 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Uminomori.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.9 kB (2%)

Content Size

5.2 MB

After Optimization

5.1 MB

In fact, the total size of Uminomori.jp main page is 5.2 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. 65% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 42.2 kB

  • Original 50.0 kB
  • After minification 39.5 kB
  • After compression 7.8 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 10.5 kB, which is 21% 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 42.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 74.6 kB

  • Original 5.1 MB
  • After minification 5.1 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. Uminomori images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 59 B

  • Original 19.8 kB
  • After minification 19.8 kB
  • After compression 19.8 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.

Requests Breakdown

Number of requests can be reduced by 17 (22%)

Requests Now

78

After Optimization

61

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uminomori. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

uminomori.jp accessibility score

77

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

uminomori.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

uminomori.jp SEO score

92

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

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

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 Uminomori.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 Uminomori.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 data is detected on the main page of Uminomori. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: