Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

yanhaijing.com

颜海镜

Page Load Speed

11.8 sec in total

First Response

503 ms

Resources Loaded

10.8 sec

Page Rendered

477 ms

yanhaijing.com screenshot

About Website

Visit yanhaijing.com now to see the best up-to-date Yanhaijing content for China and also check out these interesting facts you probably never knew about yanhaijing.com

颜海镜的博客

Visit yanhaijing.com

Key Findings

We analyzed Yanhaijing.com page load time and found that the first response time was 503 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

yanhaijing.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

98/100

10%

Network Requests Diagram

yanhaijing.com

503 ms

bootstrap.min.css

58 ms

style.css

56 ms

syntax.css

87 ms

relatedItemsWidget

5733 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 67% of them (10 requests) were addressed to the original Yanhaijing.com, 13% (2 requests) were made to Hm.baidu.com and 7% (1 request) were made to Widget.wumii.cn. The less responsive or slowest element that took the longest time to load (5.7 sec) relates to the external source Widget.wumii.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.3 kB (53%)

Content Size

232.8 kB

After Optimization

110.5 kB

In fact, the total size of Yanhaijing.com main page is 232.8 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. CSS take 119.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.2 kB

  • Original 27.6 kB
  • After minification 18.5 kB
  • After compression 6.5 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 9.1 kB, which is 33% 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 21.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 85.4 kB
  • After minification 84.3 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. Yanhaijing images are well optimized though.

CSS Optimization

-83%

Potential reduce by 100.0 kB

  • Original 119.8 kB
  • After minification 117.3 kB
  • After compression 19.8 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. Yanhaijing.com needs all CSS files to be minified and compressed as it can save up to 100.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yanhaijing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

yanhaijing.com accessibility score

77

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.

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

yanhaijing.com best practices score

69

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

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

yanhaijing.com SEO score

92

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

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 Yanhaijing.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 Yanhaijing.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

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