Tools & Wizards About Us
imageforum.co.jp screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

imageforum.co.jp

イメージフォーラム／ダゲレオ出版

Page Load Speed

4.6 sec in total

First Response

530 ms

Resources Loaded

4 sec

Page Rendered

71 ms

imageforum.co.jp screenshot

About Website

Welcome to imageforum.co.jp homepage info - get ready to check Imageforum best content for Japan right away, or after learning these important things about imageforum.co.jp

映画、ビデオからデジタル映像まで映像アートに関する情報を発信。映像アートをめぐる最新のニュース、作品データ、フェスティバル、ビデオ、雑誌、本など情報など満載。

Visit imageforum.co.jp

Key Findings

We analyzed Imageforum.co.jp page load time and found that the first response time was 530 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

imageforum.co.jp performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

imageforum.co.jp

530 ms

default.js

173 ms

navi.js

354 ms

top.css

347 ms

ga.js

11 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 98% of them (99 requests) were addressed to the original Imageforum.co.jp, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Imageforum.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.4 kB (27%)

Content Size

119.9 kB

After Optimization

87.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Imageforum.co.jp main page is 119.9 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. 25% of websites need less resources to load. Images take 66.5 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.6 kB

  • Original 4.1 kB
  • After minification 3.9 kB
  • After compression 1.5 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. 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 2.6 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 66.5 kB
  • After minification 66.5 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. Imageforum images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 29.5 kB

  • Original 48.3 kB
  • After minification 48.3 kB
  • After compression 18.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 29.5 kB or 61% of the original size.

CSS Optimization

-24%

Potential reduce by 256 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 802 B

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. Imageforum.co.jp needs all CSS files to be minified and compressed as it can save up to 256 B or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (24%)

Requests Now

100

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imageforum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

imageforum.co.jp

imageforum.co.jp

530 ms

default.js

default.js

173 ms

navi.js

navi.js

354 ms

top.css

top.css

347 ms

ga.js

ga.js

11 ms

nv_theatre_o.gif

nv_theatre_o.gif

175 ms

nv_theatre_d.gif

nv_theatre_d.gif

173 ms

nv_institute_o.gif

nv_institute_o.gif

175 ms

nv_institute_d.gif

nv_institute_d.gif

346 ms

nv_cinamatheque_o.gif

nv_cinamatheque_o.gif

345 ms

nv_cinamatheque_d.gif

nv_cinamatheque_d.gif

362 ms

nv_daguerreo_o.gif

nv_daguerreo_o.gif

350 ms

nv_daguerreo_d.gif

nv_daguerreo_d.gif

349 ms

nv_the_o.jpg

nv_the_o.jpg

354 ms

nv_the_d.jpg

nv_the_d.jpg

515 ms

nv_ins_o.jpg

nv_ins_o.jpg

517 ms

nv_ins_d.jpg

nv_ins_d.jpg

526 ms

nv_cin_o.jpg

nv_cin_o.jpg

522 ms

nv_cin_d.jpg

nv_cin_d.jpg

544 ms

nv_pub_o.jpg

nv_pub_o.jpg

536 ms

nv_pub_d.jpg

nv_pub_d.jpg

688 ms

btn_english_o.gif

btn_english_o.gif

689 ms

btn_english_d.gif

btn_english_d.gif

693 ms

btn_map_o.gif

btn_map_o.gif

697 ms

btn_map_d.gif

btn_map_d.gif

707 ms

btn_doc_o.gif

btn_doc_o.gif

721 ms

btn_doc_d.gif

btn_doc_d.gif

858 ms

btn_blog_o.gif

btn_blog_o.gif

860 ms

btn_blog_d.gif

btn_blog_d.gif

868 ms

btn_voice_o.gif

btn_voice_o.gif

878 ms

btn_voice_d.gif

btn_voice_d.gif

876 ms

btn_request_o.gif

btn_request_o.gif

900 ms

btn_request_d.gif

btn_request_d.gif

1030 ms

btn_tokcho_o.gif

btn_tokcho_o.gif

1045 ms

btn_tokcho_d.gif

btn_tokcho_d.gif

1038 ms

snv_t_01_o.gif

snv_t_01_o.gif

1062 ms

snv_t_01_d.gif

snv_t_01_d.gif

1057 ms

snv_t_02_o.gif

snv_t_02_o.gif

1078 ms

snv_t_02_d.gif

snv_t_02_d.gif

1203 ms

snv_t_03_o.gif

snv_t_03_o.gif

1210 ms

snv_t_03_d.gif

snv_t_03_d.gif

1218 ms

__utm.gif

__utm.gif

17 ms

snv_i_01_o.gif

snv_i_01_o.gif

1064 ms

snv_i_01_d.gif

snv_i_01_d.gif

1068 ms

snv_i_02_o.gif

snv_i_02_o.gif

1091 ms

snv_i_02_d.gif

snv_i_02_d.gif

1044 ms

snv_i_03_o.gif

snv_i_03_o.gif

1046 ms

snv_i_03_d.gif

snv_i_03_d.gif

1049 ms

snv_i_04_o.gif

snv_i_04_o.gif

1065 ms

snv_i_04_d.gif

snv_i_04_d.gif

1059 ms

snv_i_05_o.gif

snv_i_05_o.gif

1082 ms

snv_i_05_d.gif

snv_i_05_d.gif

1043 ms

snv_i_06_o.gif

snv_i_06_o.gif

1047 ms

snv_i_06_d.gif

snv_i_06_d.gif

1048 ms

snv_i_07_o.gif

snv_i_07_o.gif

1059 ms

snv_i_07_d.gif

snv_i_07_d.gif

1058 ms

snv_i_08_o.gif

snv_i_08_o.gif

1079 ms

snv_i_08_d.gif

snv_i_08_d.gif

1041 ms

snv_i_09_o.gif

snv_i_09_o.gif

1047 ms

snv_i_09_d.gif

snv_i_09_d.gif

1049 ms

snv_i_10_o.gif

snv_i_10_o.gif

1057 ms

snv_i_10_d.gif

snv_i_10_d.gif

1067 ms

snv_c_01_o.gif

snv_c_01_o.gif

1079 ms

snv_c_01_d.gif

snv_c_01_d.gif

1044 ms

snv_c_02_o.gif

snv_c_02_o.gif

1047 ms

snv_c_02_d.gif

snv_c_02_d.gif

1046 ms

snv_c_03_o.gif

snv_c_03_o.gif

1049 ms

snv_c_03_d.gif

snv_c_03_d.gif

1070 ms

snv_d_01_o.gif

snv_d_01_o.gif

1079 ms

snv_d_01_d.gif

snv_d_01_d.gif

1045 ms

snv_d_02_o.gif

snv_d_02_o.gif

1041 ms

snv_d_02_d.gif

snv_d_02_d.gif

1040 ms

snv_d_03_o.gif

snv_d_03_o.gif

1039 ms

snv_d_03_d.gif

snv_d_03_d.gif

1071 ms

snv_d_04_o.gif

snv_d_04_o.gif

1077 ms

snv_d_04_d.gif

snv_d_04_d.gif

1042 ms

snv_d_05_o.gif

snv_d_05_o.gif

1043 ms

snv_d_05_d.gif

snv_d_05_d.gif

1047 ms

snv_d_06_o.gif

snv_d_06_o.gif

1040 ms

snv_d_06_d.gif

snv_d_06_d.gif

1073 ms

btn_dvd_o_summary.gif

btn_dvd_o_summary.gif

1077 ms

btn_dvd_d_summary.gif

btn_dvd_d_summary.gif

1038 ms

btn_dvd_o_details.gif

btn_dvd_o_details.gif

1042 ms

btn_dvd_d_details.gif

btn_dvd_d_details.gif

1048 ms

btn_dvd_o_order.gif

btn_dvd_o_order.gif

1036 ms

btn_dvd_d_order.gif

btn_dvd_d_order.gif

1074 ms

intro_movie_o.gif

intro_movie_o.gif

1256 ms

intro_movie_d.gif

intro_movie_d.gif

1379 ms

intro_anime_o.gif

intro_anime_o.gif

1215 ms

intro_anime_d.gif

intro_anime_d.gif

1220 ms

bg_top.gif

bg_top.gif

1048 ms

logo.gif

logo.gif

1065 ms

top_01.jpg

top_01.jpg

1182 ms

top_02.jpg

top_02.jpg

1104 ms

top_03.jpg

top_03.jpg

1143 ms

top_04.jpg

top_04.jpg

1210 ms

top_06.jpg

top_06.jpg

1209 ms

top_07.jpg

top_07.jpg

1202 ms

top_08.jpg

top_08.jpg

1209 ms

top_09.jpg

top_09.jpg

1163 ms

bg_add.gif

bg_add.gif

1204 ms

Accessibility Review

imageforum.co.jp accessibility score

60

Accessibility Issues

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

Best Practices

imageforum.co.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

SEO Factors

imageforum.co.jp SEO score

67

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imageforum.co.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 Imageforum.co.jp main page’s claimed encoding is shift_jis. 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

imageforum.co.jp

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