Tools & Wizards About Us
sslcerts.jp screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sslcerts.jp

SSL/TLSってなんだろう？｜SSL/TLS-総合解説サイト

Page Load Speed

2.9 sec in total

First Response

130 ms

Resources Loaded

1.4 sec

Page Rendered

1.3 sec

sslcerts.jp screenshot

About Website

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

ウェブサイトの運営に欠かせないSSL。「SSLって何？」「SSLの役割」「SSLのメリットと効果」「SSLの種類」など、わかりやすくマンガで解説いたします。

Visit sslcerts.jp

Key Findings

We analyzed Sslcerts.jp page load time and found that the first response time was 130 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sslcerts.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,220 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.154

75/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

sslcerts.jp

130 ms

sslcerts.jp

154 ms

www.sslcerts.jp

169 ms

gtm.js

94 ms

style.css

18 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Sslcerts.jp, 6% (4 requests) were made to Platform.twitter.com and 3% (2 requests) were made to B.st-hatena.com. The less responsive or slowest element that took the longest time to load (779 ms) belongs to the original domain Sslcerts.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.6 kB (4%)

Content Size

7.7 MB

After Optimization

7.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sslcerts.jp main page is 7.7 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 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 25.4 kB

  • Original 36.2 kB
  • After minification 35.7 kB
  • After compression 10.7 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 25.4 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 317.5 kB

  • Original 7.6 MB
  • After minification 7.3 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. SSL Certs images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 202 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 2.4 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.

CSS Optimization

-13%

Potential reduce by 520 B

  • Original 3.9 kB
  • After minification 3.9 kB
  • After compression 3.4 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. Sslcerts.jp needs all CSS files to be minified and compressed as it can save up to 520 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (18%)

Requests Now

67

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SSL Certs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sslcerts.jp

sslcerts.jp

130 ms

sslcerts.jp

sslcerts.jp

154 ms

www.sslcerts.jp

www.sslcerts.jp

169 ms

gtm.js

gtm.js

94 ms

style.css

style.css

18 ms

media.css

media.css

36 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

19 ms

bookmark_button.js

bookmark_button.js

26 ms

sdk.js

sdk.js

15 ms

widgets.js

widgets.js

88 ms

button-only@2x.png

button-only@2x.png

11 ms

btn.png

btn.png

13 ms

h1_sp.png

h1_sp.png

39 ms

btn_sp.png

btn_sp.png

64 ms

intro_bg.png

intro_bg.png

175 ms

intro_char2.png

intro_char2.png

41 ms

intro_char.png

intro_char.png

40 ms

key.png

key.png

39 ms

detail_bg.png

detail_bg.png

337 ms

about_inner.png

about_inner.png

168 ms

serifchar1.png

serifchar1.png

50 ms

serifchar2.png

serifchar2.png

60 ms

comic_ttl1.png

comic_ttl1.png

187 ms

comic1.png

comic1.png

434 ms

comic2.png

comic2.png

95 ms

comic3.png

comic3.png

111 ms

comic4.png

comic4.png

132 ms

nosslimg.png

nosslimg.png

149 ms

setsslimg.png

setsslimg.png

275 ms

graph_V3.png

graph_V3.png

183 ms

graphsp_v3.png

graphsp_v3.png

191 ms

graphcharsp_v2.png

graphcharsp_v2.png

262 ms

yakuwari1.png

yakuwari1.png

266 ms

yakuwari2.png

yakuwari2.png

263 ms

risk1.png

risk1.png

264 ms

risk2.png

risk2.png

266 ms

risk3.png

risk3.png

265 ms

chkssl_char.png

chkssl_char.png

411 ms

chkssl.png

chkssl.png

282 ms

offer_title.png

offer_title.png

285 ms

offer_book.png

offer_book.png

423 ms

offer_btn.png

offer_btn.png

302 ms

techbg.jpg

techbg.jpg

302 ms

comic5.png

comic5.png

458 ms

domain_char.png

domain_char.png

487 ms

domain_type_v2.png

domain_type_v2.png

361 ms

value_graph_v2.png

value_graph_v2.png

372 ms

sdk.js

sdk.js

9 ms

value_graphsp_v2.png

value_graphsp_v2.png

381 ms

comic6.png

comic6.png

377 ms

comic7_v2.png

comic7_v2.png

396 ms

icon1.png

icon1.png

391 ms

icon7.png

icon7.png

398 ms

fukidashi.png

fukidashi.png

492 ms

icon3.png

icon3.png

398 ms

icon2.png

icon2.png

390 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

54 ms

icon5.png

icon5.png

779 ms

icon6.png

icon6.png

359 ms

step1.png

step1.png

343 ms

settings

settings

150 ms

step2.png

step2.png

336 ms

step3.png

step3.png

322 ms

step4.png

step4.png

430 ms

step5.png

step5.png

320 ms

offer_char.png

offer_char.png

323 ms

www.sslcerts.jp

www.sslcerts.jp

316 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

22 ms

embeds

embeds

35 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

31 ms

Accessibility Review

sslcerts.jp accessibility score

95

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.

Best Practices

sslcerts.jp best practices score

92

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

SEO Factors

sslcerts.jp SEO score

92

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

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 Sslcerts.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 Sslcerts.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

sslcerts.jp

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