Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

pen-online.jp

Pen Online

Page Load Speed

10.9 sec in total

First Response

302 ms

Resources Loaded

7.5 sec

Page Rendered

3.1 sec

pen-online.jp screenshot

About Website

Click here to check amazing Pen Online content for Japan. Otherwise, check out these important facts you probably never knew about pen-online.jp

雑誌『Pen』の公式サイト。ファッションからアートやデザイン、映画や音楽などのカルチャーや日本の伝統工芸、さらには腕時計やカメラといったプロダクトまで。「上質な日常はすぐそこにある」をコンセプトに、さまざまな情報を発信します。

Visit pen-online.jp

Key Findings

We analyzed Pen-online.jp page load time and found that the first response time was 302 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

pen-online.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value40.0 s

0/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value5,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value37.9 s

0/100

10%

Network Requests Diagram

pen-online.jp

302 ms

pen-online.jp

592 ms

www.pen-online.jp

797 ms

cmp.js

47 ms

fontplus.js

1001 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 86% of them (131 requests) were addressed to the original Pen-online.jp, 2% (3 requests) were made to Securepubads.g.doubleclick.net and 1% (2 requests) were made to Cdn.taboola.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Pen-online.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 973.4 kB (6%)

Content Size

15.0 MB

After Optimization

14.0 MB

In fact, the total size of Pen-online.jp main page is 15.0 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. Only a small number of websites need less resources to load. Images take 13.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 185.6 kB

  • Original 216.4 kB
  • After minification 166.2 kB
  • After compression 30.8 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 50.2 kB, which is 23% 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 185.6 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 381.3 kB

  • Original 13.8 MB
  • After minification 13.4 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. Pen Online images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 406.4 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 594.2 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 406.4 kB or 41% of the original size.

CSS Optimization

-0%

Potential reduce by 106 B

  • Original 21.7 kB
  • After minification 21.7 kB
  • After compression 21.6 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. Pen-online.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (14%)

Requests Now

148

After Optimization

127

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pen Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

pen-online.jp accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

[role]s are not contained by their required parent element

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

pen-online.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

pen-online.jp SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Pen-online.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 Pen-online.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 Pen Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: