Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

e-stamps.cn

上海东邮网 -- 邮票零售网站,最新邮票价格查询,上门回收邮票,上门收购邮票,邮票收购上门,邮票回收上门,最新邮票行情网站

Page Load Speed

97.8 sec in total

First Response

10.2 sec

Resources Loaded

86.6 sec

Page Rendered

988 ms

e-stamps.cn screenshot

About Website

Visit e-stamps.cn now to see the best up-to-date E Stamps content and also check out these interesting facts you probably never knew about e-stamps.cn

上海东邮网位于上海市卢工邮票交易市场,邮票行情。集新中国邮票、人民币纸币、纪念币价格查询、邮票行情介绍、邮票钱币收购与出售、代卖于一体的综合性邮票类交易门户网站。收购邮票与销售邮票并举,邮票与钱币共营,且批零兼营,是您集邮、赏币、交流收藏品的理想选择。

Visit e-stamps.cn

Key Findings

We analyzed E-stamps.cn page load time and found that the first response time was 10.2 sec and then it took 87.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

e-stamps.cn performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.264

47/100

15%

TTI (Time to Interactive)

Value7.5 s

47/100

10%

Network Requests Diagram

e-stamps.cn

10210 ms

Common.css

3662 ms

StyleSheet.css

3426 ms

mootools.js

9859 ms

MooStudio.js

2121 ms

Our browser made a total of 185 requests to load all elements on the main page. We found that 91% of them (169 requests) were addressed to the original E-stamps.cn, 2% (4 requests) were made to Pub.idqqimg.com and 1% (2 requests) were made to Img03.taobaocdn.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain E-stamps.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 288.1 kB (37%)

Content Size

784.2 kB

After Optimization

496.2 kB

In fact, the total size of E-stamps.cn main page is 784.2 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. 30% of websites need less resources to load. Images take 521.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 117.3 kB

  • Original 133.5 kB
  • After minification 125.1 kB
  • After compression 16.3 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 117.3 kB or 88% of the original size.

Image Optimization

-13%

Potential reduce by 67.6 kB

  • Original 521.3 kB
  • After minification 453.8 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, E Stamps needs image optimization as it can save up to 67.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 75.9 kB

  • Original 95.4 kB
  • After minification 53.3 kB
  • After compression 19.5 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 75.9 kB or 80% of the original size.

CSS Optimization

-80%

Potential reduce by 27.3 kB

  • Original 33.9 kB
  • After minification 26.0 kB
  • After compression 6.6 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. E-stamps.cn needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (15%)

Requests Now

154

After Optimization

131

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Stamps. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

e-stamps.cn accessibility score

48

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

e-stamps.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

e-stamps.cn SEO score

62

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

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 E-stamps.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 E-stamps.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 E Stamps. 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: