Tools & Wizards About Us
airmb.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

airmb.com

爱藏网-中国钱币收藏门户网站

Page Load Speed

2 sec in total

First Response

955 ms

Resources Loaded

971 ms

Page Rendered

78 ms

airmb.com screenshot

About Website

Welcome to airmb.com homepage info - get ready to check Airmb best content for China right away, or after learning these important things about airmb.com

爱藏网(airmb.com)专业提供钱币收藏,纸币收藏,第一套人民币,第二套人民币,第三套人民币,第 四套人民币,99版人民币等最新价格表，更有古钱币,硬币,邮票,长城币等图片和相关资料查询,是全国最专业的人民币收藏资讯及知 识学习平台。

Visit airmb.com

Key Findings

We analyzed Airmb.com page load time and found that the first response time was 955 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

airmb.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

airmb.com

955 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Airmb.com and no external sources were called. The less responsive or slowest element that took the longest time to load (955 ms) belongs to the original domain Airmb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 473.0 kB (15%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Airmb.com main page is 3.2 MB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 6.5 kB

  • Original 12.6 kB
  • After minification 11.5 kB
  • After compression 6.1 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 6.5 kB or 52% of the original size.

Image Optimization

-7%

Potential reduce by 198.7 kB

  • Original 2.8 MB
  • After minification 2.6 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. Airmb images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 221.7 kB

  • Original 343.3 kB
  • After minification 318.2 kB
  • After compression 121.6 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 221.7 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 46.2 kB

  • Original 57.6 kB
  • After minification 56.4 kB
  • After compression 11.4 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. Airmb.com needs all CSS files to be minified and compressed as it can save up to 46.2 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

airmb.com

airmb.com

955 ms

Accessibility Review

airmb.com accessibility score

93

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

airmb.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

airmb.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Airmb.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 Airmb.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

airmb.com

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