Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

senso-ji.jp

聖観音宗 あさくさかんのん 浅草寺 公式サイト - 浅草寺

Page Load Speed

9.8 sec in total

First Response

557 ms

Resources Loaded

8.8 sec

Page Rendered

423 ms

About Website

Click here to check amazing Senso Ji content for Japan. Otherwise, check out these important facts you probably never knew about senso-ji.jp

浅草寺の縁起 時は飛鳥時代、推古天皇36年（628）3月18日の早朝、檜前浜成・竹成（ひのくまのはまなり・たけ

Visit senso-ji.jp

Key Findings

We analyzed Senso-ji.jp page load time and found that the first response time was 557 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

senso-ji.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.661

8/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

senso-ji.jp

557 ms

www.senso-ji.jp

1862 ms

reset.css

405 ms

common_new.css

901 ms

vegas.css

580 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 77% of them (109 requests) were addressed to the original Senso-ji.jp, 6% (8 requests) were made to B.tile.openstreetmap.org and 6% (8 requests) were made to A.tile.openstreetmap.org. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Senso-ji.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.1 kB (7%)

Content Size

5.1 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Senso-ji.jp main page is 5.1 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 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 63.4 kB

  • Original 76.5 kB
  • After minification 72.8 kB
  • After compression 13.1 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. 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 63.4 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 75.4 kB

  • Original 4.6 MB
  • After minification 4.6 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. Senso Ji images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 137.0 kB

  • Original 250.2 kB
  • After minification 235.5 kB
  • After compression 113.2 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 137.0 kB or 55% of the original size.

CSS Optimization

-65%

Potential reduce by 72.4 kB

  • Original 111.6 kB
  • After minification 103.1 kB
  • After compression 39.2 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. Senso-ji.jp needs all CSS files to be minified and compressed as it can save up to 72.4 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (23%)

Requests Now

134

After Optimization

103

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Senso Ji. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

senso-ji.jp accessibility score

82

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

senso-ji.jp best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

senso-ji.jp SEO score

76

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Senso-ji.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 Senso-ji.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 Senso Ji. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: