Tools & Wizards About Us
nl18.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% 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

7.4 sec in total

First Response

706 ms

Resources Loaded

6.4 sec

Page Rendered

284 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 706 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

nl18.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.587

11/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

nl18.com

706 ms

www.nl18.com

1812 ms

bootstrap.css

512 ms

bxslider.css

445 ms

style.css

460 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 84% of them (37 requests) were addressed to the original Nl18.com, 14% (6 requests) were made to Bdimg.share.baidu.com and 2% (1 request) were made to Push.zhanzhang.baidu.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Nl18.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.8 kB (15%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nl18.com main page is 1.4 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 21.3 kB

  • Original 28.3 kB
  • After minification 23.5 kB
  • After compression 7.0 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 4.8 kB, which is 17% 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 21.3 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 33.5 kB

  • Original 1.1 MB
  • After minification 1.0 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. Nl 18 images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 12.4 kB

  • Original 114.8 kB
  • After minification 114.8 kB
  • After compression 102.5 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 12.4 kB or 11% of the original size.

CSS Optimization

-83%

Potential reduce by 131.6 kB

  • Original 158.8 kB
  • After minification 128.1 kB
  • After compression 27.2 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 131.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (38%)

Requests Now

42

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 42 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 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nl18.com

nl18.com

706 ms

www.nl18.com

www.nl18.com

1812 ms

bootstrap.css

bootstrap.css

512 ms

bxslider.css

bxslider.css

445 ms

style.css

style.css

460 ms

jquery.min.js

jquery.min.js

702 ms

bxslider.min.js

bxslider.min.js

488 ms

common.js

common.js

487 ms

bootstrap.js

bootstrap.js

889 ms

layer.js

layer.js

689 ms

contact.js

contact.js

732 ms

contact.css

contact.css

730 ms

1-23111Q514255R.png

1-23111Q514255R.png

257 ms

nav_bg.jpg

nav_bg.jpg

224 ms

1-200423142916357.jpg

1-200423142916357.jpg

1462 ms

1-2211231G63c58.jpg

1-2211231G63c58.jpg

486 ms

1-210329155SL20.jpg

1-210329155SL20.jpg

458 ms

1-210329155130H4.jpg

1-210329155130H4.jpg

235 ms

1-210329154503948.jpg

1-210329154503948.jpg

667 ms

1-21032915343I96.jpg

1-21032915343I96.jpg

467 ms

1-200Q11P013V0.jpg

1-200Q11P013V0.jpg

510 ms

1-200Q11K925133.jpg

1-200Q11K925133.jpg

688 ms

1-200Q11KT0a6.jpg

1-200Q11KT0a6.jpg

701 ms

1-2112091F029593.jpg

1-2112091F029593.jpg

1214 ms

1-21033111391N22.jpg

1-21033111391N22.jpg

765 ms

1-21033111350S31.jpg

1-21033111350S31.jpg

1110 ms

1-21033111314R21.jpg

1-21033111314R21.jpg

917 ms

1-2009231G631137.jpg

1-2009231G631137.jpg

1165 ms

1-200923152A5349.jpg

1-200923152A5349.jpg

1274 ms

1-200RF91049604.jpg

1-200RF91049604.jpg

1374 ms

1-200331231629391.jpg

1-200331231629391.jpg

1555 ms

online.png

online.png

1399 ms

bx_loader.gif

bx_loader.gif

1432 ms

title_line.jpg

title_line.jpg

1490 ms

li.png

li.png

1565 ms

layer.css

layer.css

1567 ms

share.js

share.js

651 ms

shopnc.png

shopnc.png

765 ms

push.js

push.js

490 ms

share_api.js

share_api.js

217 ms

share_view.js

share_view.js

450 ms

tangram.js

tangram.js

413 ms

api_base.js

api_base.js

464 ms

view_base.js

view_base.js

246 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

    ZH

  • 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 it matches the claimed language. 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: