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tensen.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

tensen.com

抗がん漢方薬│天仙液の公式サイト

Page Load Speed

9.6 sec in total

First Response

577 ms

Resources Loaded

7.6 sec

Page Rendered

1.3 sec

tensen.com screenshot

About Website

Welcome to tensen.com homepage info - get ready to check Tensen best content for Japan right away, or after learning these important things about tensen.com

天仙液（てんせんえき）は、抗腫瘍、免疫増強作用のある抗がん漢方薬です。ステージ4末期がんでも、安定から好転、寛解、克服を目指すがん治療として、医療現場からも注目されています。無料資料請求でサンプル贈呈中。

Visit tensen.com

Key Findings

We analyzed Tensen.com page load time and found that the first response time was 577 ms and then it took 9 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

tensen.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.416

23/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

tensen.com

577 ms

style.css

541 ms

slick.css

351 ms

jquery-1.12.4.min.js

30 ms

jquery.rwdImageMaps.min.js

43 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 90% of them (88 requests) were addressed to the original Tensen.com, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Tensen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.9 kB (3%)

Content Size

5.2 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tensen.com 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. 70% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 69.8 kB

  • Original 79.3 kB
  • After minification 46.7 kB
  • After compression 9.6 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 32.6 kB, which is 41% 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 69.8 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 61.1 kB

  • Original 4.9 MB
  • After minification 4.8 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. Tensen images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 32.2 kB

  • Original 133.7 kB
  • After minification 133.7 kB
  • After compression 101.5 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 32.2 kB or 24% of the original size.

CSS Optimization

-8%

Potential reduce by 5.9 kB

  • Original 69.9 kB
  • After minification 69.9 kB
  • After compression 64.0 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. Tensen.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (33%)

Requests Now

94

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tensen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tensen.com

tensen.com

577 ms

style.css

style.css

541 ms

slick.css

slick.css

351 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

30 ms

jquery.rwdImageMaps.min.js

jquery.rwdImageMaps.min.js

43 ms

b_browser_switcher.js

b_browser_switcher.js

358 ms

style.min.css

style.min.css

355 ms

classic-themes.min.css

classic-themes.min.css

348 ms

default.css

default.css

358 ms

js

js

100 ms

jquery.min.js

jquery.min.js

33 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

823 ms

slick.min.js

slick.min.js

636 ms

common.js

common.js

532 ms

lazysizes.min.js

lazysizes.min.js

525 ms

ytag.js

ytag.js

734 ms

tenseneki-logo.svg

tenseneki-logo.svg

252 ms

fd-icon.png

fd-icon.png

252 ms

number.svg

number.svg

254 ms

sprite.min.svg

sprite.min.svg

224 ms

link-shiryo.png

link-shiryo.png

360 ms

link-ka.png

link-ka.png

512 ms

link-bar.png

link-bar.png

408 ms

tenseneki-logo.png

tenseneki-logo.png

408 ms

icon_arrow-blue.svg

icon_arrow-blue.svg

406 ms

sp-document-icon.png

sp-document-icon.png

409 ms

fd-icon.png

fd-icon.png

532 ms

number.svg

number.svg

584 ms

link-shiryo.png

link-shiryo.png

756 ms

link-ka.png

link-ka.png

593 ms

mv-00.png

mv-00.png

3691 ms

mv-button.png

mv-button.png

1021 ms

sp-mv00.png

sp-mv00.png

2367 ms

sp-mv01.png

sp-mv01.png

930 ms

sp-nci.png

sp-nci.png

1457 ms

title01.svg

title01.svg

931 ms

title02.svg

title02.svg

1106 ms

suzuki_san01.jpg

suzuki_san01.jpg

1108 ms

message-line.svg

message-line.svg

1192 ms

message-line02.svg

message-line02.svg

1281 ms

title01.svg

title01.svg

1285 ms

title02.svg

title02.svg

1365 ms

about-icon.png

about-icon.png

1457 ms

tenseneki-grad.png

tenseneki-grad.png

1462 ms

tenseneki-grad.png

tenseneki-grad.png

1536 ms

about-img.png

about-img.png

1804 ms

about-img.png

about-img.png

1976 ms

me-re-icon.png

me-re-icon.png

1638 ms

ttl-grad-blue.svg

ttl-grad-blue.svg

1708 ms

ttl-grad-blue02.svg

ttl-grad-blue02.svg

1754 ms

js

js

53 ms

evidence-Img.jpg

evidence-Img.jpg

2389 ms

analytics.js

analytics.js

122 ms

NotoSansJP-Medium.woff

NotoSansJP-Medium.woff

4169 ms

NotoSerifJP-Bold.woff

NotoSerifJP-Bold.woff

5718 ms

evidence-Img.jpg

evidence-Img.jpg

2589 ms

research-img01.jpg

research-img01.jpg

2288 ms

research-img02.jpg

research-img02.jpg

2463 ms

collect

collect

13 ms

research-img03.jpg

research-img03.jpg

2364 ms

collect

collect

11 ms

ga-audiences

ga-audiences

101 ms

research-img04.jpg

research-img04.jpg

2492 ms

media-icon.png

media-icon.png

2488 ms

221123_06.jpg

221123_06.jpg

2611 ms

circle-arrow.svg

circle-arrow.svg

2658 ms

obitsu.jpg

obitsu.jpg

2560 ms

paper-s.png

paper-s.png

2839 ms

imanaka-1.jpg

imanaka-1.jpg

2656 ms

voice-icon.png

voice-icon.png

2648 ms

image15_04.png

image15_04.png

2990 ms

shibata_san_02.jpg

shibata_san_02.jpg

2483 ms

kitazato_san_02_300-205.jpg

kitazato_san_02_300-205.jpg

2614 ms

infographic-bnr-img.png

infographic-bnr-img.png

2563 ms

qa-bnr-img.png

qa-bnr-img.png

2615 ms

sp-spcance-img.png

sp-spcance-img.png

2649 ms

sample-img.png

sample-img.png

3164 ms

purchase-icon.png

purchase-icon.png

2616 ms

purchase-img.jpg

purchase-img.jpg

2630 ms

home_organization.jpg

home_organization.jpg

2564 ms

organization-bnr.jpg

organization-bnr.jpg

2619 ms

document-icon.png

document-icon.png

2630 ms

arrow-blue.svg

arrow-blue.svg

2646 ms

contact-icon02.png

contact-icon02.png

2712 ms

arrow-red.svg

arrow-red.svg

2619 ms

arrow-white-up.svg

arrow-white-up.svg

2573 ms

icon_new-window.svg

icon_new-window.svg

2638 ms

home_bg01.jpg

home_bg01.jpg

3333 ms

arrow-white.svg

arrow-white.svg

2477 ms

purchase-bg.jpg

purchase-bg.jpg

2328 ms

waku_about.svg

waku_about.svg

2201 ms

evidence-bg.jpg

evidence-bg.jpg

3942 ms

media-bg.jpg

media-bg.jpg

2578 ms

voice-bg.jpg

voice-bg.jpg

2482 ms

waku_voice.svg

waku_voice.svg

2259 ms

waku_voice-top.svg

waku_voice-top.svg

2570 ms

circle-arrow-gold.svg

circle-arrow-gold.svg

2377 ms

contact-bg.jpg

contact-bg.jpg

2521 ms

Accessibility Review

tensen.com 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.

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

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

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

tensen.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tensen.com SEO score

87

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

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 Tensen.com 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 Tensen.com 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

tensen.com

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