Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

peakfire.com.cn

拾音器,网络录音系统,监听头,拾音头,监控拾音器,拾音器品牌,拾音器价格,烽火拾音器,高保真拾音器,IP网络对讲,公共广播对讲,教育录播

Page Load Speed

21.5 sec in total

First Response

863 ms

Resources Loaded

19.4 sec

Page Rendered

1.2 sec

peakfire.com.cn screenshot

About Website

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

峰火PeakFire高端拾音器主导中国音频监控领域!其抗回声,高灵敏,高保真,高带宽,数字降噪数字监听头广泛用于监狱,银行,学校,公检法同步录音录像系统--峰火品牌拾音头厂家安装报价:4001-605-805

Visit peakfire.com.cn

Key Findings

We analyzed Peakfire.com.cn page load time and found that the first response time was 863 ms and then it took 20.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

peakfire.com.cn performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.242

51/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

peakfire.com.cn

863 ms

index.html

1059 ms

index.css

973 ms

jquery-1.8.3.min.js

1596 ms

jquery.easing.js

643 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 76% of them (61 requests) were addressed to the original Peakfire.com.cn, 8% (6 requests) were made to Peakfire.cn and 6% (5 requests) were made to Peakfire.com. The less responsive or slowest element that took the longest time to load (16.5 sec) relates to the external source Peakfire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (17%)

Content Size

7.1 MB

After Optimization

5.9 MB

In fact, the total size of Peakfire.com.cn main page is 7.1 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 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 47.2 kB

  • Original 59.4 kB
  • After minification 50.4 kB
  • After compression 12.2 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. This page needs HTML code to be minified as it can gain 8.9 kB, which is 15% 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 47.2 kB or 79% of the original size.

Image Optimization

-15%

Potential reduce by 1.0 MB

  • Original 6.8 MB
  • After minification 5.8 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. Obviously, Peakfire needs image optimization as it can save up to 1.0 MB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 135.0 kB

  • Original 188.0 kB
  • After minification 179.1 kB
  • After compression 53.0 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 135.0 kB or 72% of the original size.

CSS Optimization

-79%

Potential reduce by 20.0 kB

  • Original 25.2 kB
  • After minification 21.5 kB
  • After compression 5.2 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. Peakfire.com.cn needs all CSS files to be minified and compressed as it can save up to 20.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

74

After Optimization

68

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Peakfire. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

peakfire.com.cn accessibility score

40

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.

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

peakfire.com.cn best practices score

58

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

peakfire.com.cn SEO score

80

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

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

    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 Peakfire.com.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 Peakfire.com.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 Peakfire. 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: