Tools & Wizards About Us
trinh-cong-son.com screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

trinh-cong-son.com

Default Web Site Page

Page Load Speed

843 ms in total

First Response

139 ms

Resources Loaded

594 ms

Page Rendered

110 ms

trinh-cong-son.com screenshot

About Website

Visit trinh-cong-son.com now to see the best up-to-date Trinh Cong Son content for Vietnam and also check out these interesting facts you probably never knew about trinh-cong-son.com

In Memory of Trinh Cong Son. An online collection of Trinh Cong Son's music, poem and paintings

Visit trinh-cong-son.com

Key Findings

We analyzed Trinh-cong-son.com page load time and found that the first response time was 139 ms and then it took 704 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

trinh-cong-son.com performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

trinh-cong-son.com

139 ms

trinh.css

41 ms

adsbygoogle.js

3 ms

1vspace.gif

78 ms

homepic2013.jpg

164 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 63% of them (10 requests) were addressed to the original Trinh-cong-son.com, 25% (4 requests) were made to Pagead2.googlesyndication.com and 13% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (346 ms) belongs to the original domain Trinh-cong-son.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.0 kB (31%)

Content Size

665.3 kB

After Optimization

460.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Trinh-cong-son.com main page is 665.3 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. Javascripts take 404.0 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 1.9 kB

  • Original 3.5 kB
  • After minification 3.5 kB
  • After compression 1.6 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 1.9 kB or 55% of the original size.

Image Optimization

-2%

Potential reduce by 4.8 kB

  • Original 255.2 kB
  • After minification 250.5 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. Trinh Cong Son images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 196.4 kB

  • Original 404.0 kB
  • After minification 401.4 kB
  • After compression 207.6 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 196.4 kB or 49% of the original size.

CSS Optimization

-76%

Potential reduce by 1.9 kB

  • Original 2.6 kB
  • After minification 2.0 kB
  • After compression 621 B

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. Trinh-cong-son.com needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trinh Cong Son. 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.

Network Requests Diagram

trinh-cong-son.com

trinh-cong-son.com

139 ms

trinh.css

trinh.css

41 ms

adsbygoogle.js

adsbygoogle.js

3 ms

1vspace.gif

1vspace.gif

78 ms

homepic2013.jpg

homepic2013.jpg

164 ms

ca-pub-0395817043084140.js

ca-pub-0395817043084140.js

71 ms

zrt_lookup.html

zrt_lookup.html

26 ms

show_ads_impl.js

show_ads_impl.js

34 ms

floral_gray.jpg

floral_gray.jpg

63 ms

bachdang_bold.woff

bachdang_bold.woff

148 ms

bachdang.woff

bachdang.woff

180 ms

chimbien_400.woff

chimbien_400.woff

280 ms

chimbien_200.woff

chimbien_200.woff

346 ms

ads

ads

130 ms

osd.js

osd.js

6 ms

chimbien_400.woff

chimbien_400.woff

41 ms

Accessibility Review

trinh-cong-son.com accessibility score

66

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

Best Practices

trinh-cong-son.com best practices score

77

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

SEO Factors

trinh-cong-son.com SEO score

67

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trinh-cong-son.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Trinh-cong-son.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

trinh-cong-son.com

Open Graph description is not detected on the main page of Trinh Cong Son. 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: