Tools & Wizards About Us
nl18.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

nl18.com

心理咨询室设备_心理沙盘_心理测评系统_音乐放松椅_情绪宣泄设备_价格厂家

Page Load Speed

42.6 sec in total

First Response

6.3 sec

Resources Loaded

36.1 sec

Page Rendered

202 ms

nl18.com screenshot

About Website

Visit nl18.com now to see the best up-to-date Nl 18 content and also check out these interesting facts you probably never knew about nl18.com

我司是一家专业生产心理咨询室设备的厂家，主要产品有心理沙盘、音乐放松椅、心理测评系统、心理测试软件、情绪宣泄设备、仿真发泄人、韦氏智力测试系统、心理测评系统、团体心理辅导设备。

Visit nl18.com

Key Findings

We analyzed Nl18.com page load time and found that the first response time was 6.3 sec and then it took 36.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nl18.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.964

2/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

nl18.com

6268 ms

public.css

934 ms

index.css

1173 ms

jquery.js

10535 ms

public.js

1398 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 98% of them (57 requests) were addressed to the original Nl18.com, 2% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Nl18.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 131.7 kB (46%)

Content Size

286.0 kB

After Optimization

154.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nl18.com main page is 286.0 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. 15% of websites need less resources to load. Images take 136.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.1 kB

  • Original 10.7 kB
  • After minification 7.1 kB
  • After compression 2.6 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 3.6 kB, which is 33% 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 8.1 kB or 75% of the original size.

Image Optimization

-20%

Potential reduce by 26.8 kB

  • Original 136.1 kB
  • After minification 109.3 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. Obviously, Nl 18 needs image optimization as it can save up to 26.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 92.0 kB

  • Original 132.6 kB
  • After minification 120.2 kB
  • After compression 40.6 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 92.0 kB or 69% of the original size.

CSS Optimization

-74%

Potential reduce by 4.8 kB

  • Original 6.5 kB
  • After minification 5.6 kB
  • After compression 1.7 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. Nl18.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (21%)

Requests Now

38

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nl 18. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nl18.com

nl18.com

6268 ms

public.css

public.css

934 ms

index.css

index.css

1173 ms

jquery.js

jquery.js

10535 ms

public.js

public.js

1398 ms

swfobject_modified.js

swfobject_modified.js

3922 ms

bg.jpg

bg.jpg

19835 ms

player.htm

player.htm

465 ms

get_flash_player.gif

get_flash_player.gif

174 ms

logo.png

logo.png

484 ms

icon1.gif

icon1.gif

573 ms

menu.png

menu.png

6491 ms

zhishpai1.png

zhishpai1.png

10952 ms

btn1.png

btn1.png

1708 ms

bg1.jpg

bg1.jpg

1464 ms

icon2.gif

icon2.gif

1219 ms

bg2.jpg

bg2.jpg

4116 ms

bg3.jpg

bg3.jpg

1946 ms

icon3.gif

icon3.gif

2284 ms

1309414602914886.jpg

1309414602914886.jpg

7640 ms

icon4.gif

icon4.gif

2759 ms

icon5.gif

icon5.gif

3380 ms

icon6.gif

icon6.gif

3869 ms

bg4.jpg

bg4.jpg

5742 ms

icon7.gif

icon7.gif

4725 ms

1309414522132197.jpg

1309414522132197.jpg

19651 ms

bg5.jpg

bg5.jpg

6292 ms

bg6.jpg

bg6.jpg

6765 ms

banquan.gif

banquan.gif

8372 ms

icon8.gif

icon8.gif

7225 ms

kefu.jpg

kefu.jpg

9335 ms

exobud.js

exobud.js

9186 ms

exobudset.js

exobudset.js

8632 ms

zzsky.js

zzsky.js

9143 ms

zzsky(1).js

zzsky(1).js

9530 ms

time.js

time.js

9672 ms

imgchg.js

imgchg.js

9691 ms

btn_mute_off.gif

btn_mute_off.gif

505 ms

btn_rndmode_off.gif

btn_rndmode_off.gif

524 ms

btn_rept_off.gif

btn_rept_off.gif

531 ms

btn_play.gif

btn_play.gif

1014 ms

btn_pauz_off.gif

btn_pauz_off.gif

1789 ms

btn_stop.gif

btn_stop.gif

1035 ms

player.volmeter.0.gif

player.volmeter.0.gif

2252 ms

player.volmeter.1.gif

player.volmeter.1.gif

1515 ms

player.volmeter.2.gif

player.volmeter.2.gif

1531 ms

player.volmeter.3.gif

player.volmeter.3.gif

2046 ms

player.volmeter.4.gif

player.volmeter.4.gif

2098 ms

player.volmeter.5.gif

player.volmeter.5.gif

2281 ms

player.volmeter.6.gif

player.volmeter.6.gif

2667 ms

player.volmeter.7.gif

player.volmeter.7.gif

3437 ms

player.volmeter.8.gif

player.volmeter.8.gif

4954 ms

player.volmeter.9.gif

player.volmeter.9.gif

3569 ms

player.volmeter.10.gif

player.volmeter.10.gif

3875 ms

btn_play.png

btn_play.png

5039 ms

btn_pauz_off.png

btn_pauz_off.png

4807 ms

btn_stop.png

btn_stop.png

4858 ms

btn_mute_off.png

btn_mute_off.png

6364 ms

Accessibility Review

nl18.com accessibility score

97

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

nl18.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nl18.com 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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nl18.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Nl18.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

nl18.com

Open Graph description is not detected on the main page of Nl 18. 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: