Tools & Wizards About Us
securl.nu screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    66% 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

4.7 sec in total

First Response

925 ms

Resources Loaded

3.6 sec

Page Rendered

209 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 925 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

securl.nu performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value6,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.452

20/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

securl.nu

925 ms

common_pc.css

349 ms

index_pc.css

514 ms

jquery-1.11.3.min.js

1033 ms

jquery.balloon.min.js

521 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 54% of them (15 requests) were addressed to the original Securl.nu, 11% (3 requests) were made to Platform.twitter.com and 7% (2 requests) were made to B.st-hatena.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Securl.nu.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.4 kB (27%)

Content Size

482.0 kB

After Optimization

351.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Securl.nu main page is 482.0 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. 20% of websites need less resources to load. Images take 276.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.4 kB

  • Original 24.9 kB
  • After minification 22.8 kB
  • After compression 6.5 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 18.4 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 1.5 kB

  • Original 276.2 kB
  • After minification 274.7 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

-60%

Potential reduce by 101.1 kB

  • Original 168.8 kB
  • After minification 159.7 kB
  • After compression 67.7 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 101.1 kB or 60% of the original size.

CSS Optimization

-78%

Potential reduce by 9.4 kB

  • Original 12.1 kB
  • After minification 9.6 kB
  • After compression 2.7 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 9.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 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 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

securl.nu

securl.nu

925 ms

common_pc.css

common_pc.css

349 ms

index_pc.css

index_pc.css

514 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1033 ms

jquery.balloon.min.js

jquery.balloon.min.js

521 ms

common_pc.js

common_pc.js

523 ms

Browser.js

Browser.js

545 ms

index_pc.js

index_pc.js

739 ms

securl_ga.js

securl_ga.js

684 ms

bookmark_button.js

bookmark_button.js

751 ms

analytics.js

analytics.js

81 ms

gplus-32.png

gplus-32.png

97 ms

button-only@2x.png

button-only@2x.png

186 ms

go_btn_enable.png

go_btn_enable.png

181 ms

save_local.png

save_local.png

179 ms

share_btn.png

share_btn.png

243 ms

top.png

top.png

1057 ms

widgets.js

widgets.js

89 ms

sdk.js

sdk.js

115 ms

back_btn_disable.png

back_btn_disable.png

192 ms

prog_btn_disable.png

prog_btn_disable.png

195 ms

807 ms

collect

collect

38 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

42 ms

158 ms

xd_arbiter.php

xd_arbiter.php

86 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.ja.html

55 ms

jot

jot

89 ms

Accessibility Review

securl.nu accessibility score

73

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

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

<frame> or <iframe> elements do not have a title

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>).

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

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: