Tools & Wizards About Us
securl.nu screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

securl.nu

URL(リンク・サイト・ホームページ)の安全・危険、リンクスパム・ウイルスや詐欺フィッシングをチェック、短縮URLの展開・解析、サイトキャプチャ取得も可能。

Page Load Speed

5 sec in total

First Response

983 ms

Resources Loaded

3.1 sec

Page Rendered

992 ms

securl.nu screenshot

About Website

Welcome to securl.nu homepage info - get ready to check Sec URL best content for Japan right away, or after learning these important things about securl.nu

URLの安全性を無料で診断。あやしいサイトや知らないサイトを調査して、ウィルスや詐欺サイトのチェックをしてくれます。

Visit securl.nu

Key Findings

We analyzed Securl.nu page load time and found that the first response time was 983 ms and then it took 4 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

securl.nu performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value9,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.452

20/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

securl.nu

983 ms

common_pc.css

484 ms

index_pc.css

496 ms

jquery-1.11.3.min.js

865 ms

jquery.balloon.min.js

497 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 50% of them (22 requests) were addressed to the original Securl.nu, 23% (10 requests) were made to Platform.twitter.com and 7% (3 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (983 ms) belongs to the original domain Securl.nu.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.8 kB (32%)

Content Size

704.2 kB

After Optimization

476.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Securl.nu main page is 704.2 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. 55% of websites need less resources to load. Images take 326.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 68.6 kB

  • Original 91.2 kB
  • After minification 83.7 kB
  • After compression 22.6 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. 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 68.6 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 10.2 kB

  • Original 326.5 kB
  • After minification 316.3 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. Sec URL images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 138.1 kB

  • Original 272.5 kB
  • After minification 260.8 kB
  • After compression 134.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 138.1 kB or 51% of the original size.

CSS Optimization

-78%

Potential reduce by 10.8 kB

  • Original 13.9 kB
  • After minification 11.1 kB
  • After compression 3.1 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. Securl.nu needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (58%)

Requests Now

43

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sec URL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

securl.nu

securl.nu

983 ms

common_pc.css

common_pc.css

484 ms

index_pc.css

index_pc.css

496 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

865 ms

jquery.balloon.min.js

jquery.balloon.min.js

497 ms

common_pc.js

common_pc.js

498 ms

Browser.js

Browser.js

498 ms

index_pc.js

index_pc.js

647 ms

securl_ga.js

securl_ga.js

659 ms

jquery.tada.js

jquery.tada.js

661 ms

adsbygoogle.js

adsbygoogle.js

115 ms

bookmark_button.js

bookmark_button.js

17 ms

widgets.js

widgets.js

21 ms

analytics.js

analytics.js

65 ms

button-only@2x.png

button-only@2x.png

45 ms

goto_top.png

goto_top.png

221 ms

go_btn_enable.png

go_btn_enable.png

221 ms

save_local.png

save_local.png

221 ms

share_btn.png

share_btn.png

219 ms

top.png

top.png

892 ms

help.png

help.png

220 ms

spacer.gif

spacer.gif

349 ms

secur_link_btn_demo.png

secur_link_btn_demo.png

353 ms

securl_howto_toolbar.png

securl_howto_toolbar.png

679 ms

collect

collect

29 ms

sdk.js

sdk.js

29 ms

js

js

124 ms

sdk.js

sdk.js

35 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

39 ms

back_btn_disable.png

back_btn_disable.png

173 ms

prog_btn_disable.png

prog_btn_disable.png

173 ms

tada-loader.gif

tada-loader.gif

291 ms

47 ms

settings

settings

75 ms

tweet.d7aeb21a88e025d2ea5f5431a103f586.js

tweet.d7aeb21a88e025d2ea5f5431a103f586.js

3 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

10 ms

Tweet.html

Tweet.html

3 ms

Tweet.html

Tweet.html

4 ms

embed.runtime.d4fdbaa43d8afce29068.js

embed.runtime.d4fdbaa43d8afce29068.js

3 ms

embed.9449.78398904051446294e3d.js

embed.9449.78398904051446294e3d.js

9 ms

embed.Tweet.02ab0848482b3e69ec95.js

embed.Tweet.02ab0848482b3e69ec95.js

10 ms

embeds

embeds

27 ms

embeds

embeds

44 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

22 ms

Accessibility Review

securl.nu accessibility score

86

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

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>).

Best Practices

securl.nu best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

securl.nu SEO score

88

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 Securl.nu 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 Securl.nu 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

securl.nu

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