Tools & Wizards About Us
quansuvn.info screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    51% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

quansuvn.info

Quân Sử Việt Nam - lich su viet nam - Hội sử-học Việt-Nam - quan su viet nam

Page Load Speed

120.9 sec in total

First Response

279 ms

Resources Loaded

90 sec

Page Rendered

30.6 sec

quansuvn.info screenshot

About Website

Welcome to quansuvn.info homepage info - get ready to check Quan Su Vn best content right away, or after learning these important things about quansuvn.info

quan su viet nam, quân sử việt nam, Trung quốc cộng sản đảng vong, nhà ái quốc Đại tướng quân Nguyễn Văn Hiếu Thiên tài quân sự Việt Nam trong chiến tranh Việt Nam, bảo vệ vững chắc chủ quyền biển đảo...

Visit quansuvn.info

Key Findings

We analyzed Quansuvn.info page load time and found that the first response time was 279 ms and then it took 120.6 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 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

quansuvn.info performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value29.1 s

0/100

10%

TBT (Total Blocking Time)

Value71,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value91.1 s

0/100

10%

Network Requests Diagram

quansuvn.info

279 ms

www.quansuvn.info

827 ms

Default.css

245 ms

c.aspx

262 ms

StyleSheet.css

233 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 66% of them (114 requests) were addressed to the original Quansuvn.info, 8% (13 requests) were made to Apis.google.com and 5% (8 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (26.2 sec) relates to the external source Ssl.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (32%)

Content Size

4.7 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Quansuvn.info main page is 4.7 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 176.5 kB

  • Original 208.6 kB
  • After minification 193.5 kB
  • After compression 32.1 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 176.5 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 96.8 kB

  • Original 2.8 MB
  • After minification 2.7 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. Quan Su Vn images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 771.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 432.4 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 771.3 kB or 64% of the original size.

CSS Optimization

-83%

Potential reduce by 451.5 kB

  • Original 545.5 kB
  • After minification 538.3 kB
  • After compression 94.1 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. Quansuvn.info needs all CSS files to be minified and compressed as it can save up to 451.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (26%)

Requests Now

156

After Optimization

115

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 156 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quan Su Vn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

quansuvn.info

quansuvn.info

279 ms

www.quansuvn.info

www.quansuvn.info

827 ms

Default.css

Default.css

245 ms

c.aspx

c.aspx

262 ms

StyleSheet.css

StyleSheet.css

233 ms

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Menu.css

280 ms

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jquery.js

281 ms

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246 ms

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246 ms

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246 ms

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Accessibility Review

quansuvn.info accessibility score

44

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

quansuvn.info 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

Browser errors were logged to the console

SEO Factors

quansuvn.info 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

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Quansuvn.info can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Quansuvn.info 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

quansuvn.info

Open Graph description is not detected on the main page of Quan Su Vn. 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: