Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

naserland.cn

水冷式冷水机_风冷式冷水机_螺杆式冷水机_冷水机组_工业冷水机-纳金机械

Page Load Speed

32.4 sec in total

First Response

3.9 sec

Resources Loaded

28.1 sec

Page Rendered

336 ms

naserland.cn screenshot

About Website

Welcome to naserland.cn homepage info - get ready to check Naserland best content right away, or after learning these important things about naserland.cn

水冷式冷水机,风冷式冷水机,螺杆式冷水机-纳金机械28年专业制冷设备研发生产。产品质量可靠,值得信赖。一年保修,终身维护,深受新老客户好评。咨询电话:0769-81086963

Visit naserland.cn

Key Findings

We analyzed Naserland.cn page load time and found that the first response time was 3.9 sec and then it took 28.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

naserland.cn performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

naserland.cn

3934 ms

layout.css

1335 ms

jquery-1.7.2.js

6362 ms

dropnav.js

3910 ms

style.js

3917 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 28% of them (22 requests) were addressed to the original Naserland.cn, 24% (19 requests) were made to Staticec.com and 15% (12 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Naserland.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 232.4 kB (41%)

Content Size

570.2 kB

After Optimization

337.8 kB

In fact, the total size of Naserland.cn main page is 570.2 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. 20% of websites need less resources to load. Images take 354.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 35.9 kB

  • Original 44.1 kB
  • After minification 43.1 kB
  • After compression 8.2 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 35.9 kB or 81% of the original size.

Image Optimization

-28%

Potential reduce by 101.0 kB

  • Original 354.6 kB
  • After minification 253.7 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. Obviously, Naserland needs image optimization as it can save up to 101.0 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 73.0 kB

  • Original 143.0 kB
  • After minification 139.3 kB
  • After compression 70.0 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 73.0 kB or 51% of the original size.

CSS Optimization

-79%

Potential reduce by 22.5 kB

  • Original 28.5 kB
  • After minification 23.7 kB
  • After compression 6.0 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. Naserland.cn needs all CSS files to be minified and compressed as it can save up to 22.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (64%)

Requests Now

72

After Optimization

26

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naserland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

naserland.cn accessibility score

41

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

naserland.cn best practices score

50

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

Browser errors were logged to the console

SEO Factors

naserland.cn SEO score

69

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

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 Naserland.cn 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 Naserland.cn 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

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