Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

dhhd4.forumvi.net

Diễn đàn ĐH Hóa dầu 4 - HUI

Page Load Speed

3.1 sec in total

First Response

680 ms

Resources Loaded

2 sec

Page Rendered

488 ms

dhhd4.forumvi.net screenshot

About Website

Click here to check amazing Dhhd 4 Forumvi content for Vietnam. Otherwise, check out these important facts you probably never knew about dhhd4.forumvi.net

Diễn đàn ĐH Hóa dầu 4 - ĐH Công Nghiệp TP. Hồ Chí Minh

Visit dhhd4.forumvi.net

Key Findings

We analyzed Dhhd4.forumvi.net page load time and found that the first response time was 680 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dhhd4.forumvi.net performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value8.4 s

38/100

10%

Network Requests Diagram

dhhd4.forumvi.net

680 ms

15-ltr.css

187 ms

jquery.min.js

5 ms

vi.js

238 ms

gen.php

184 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Dhhd4.forumvi.net, 30% (18 requests) were made to Oil-price.net and 13% (8 requests) were made to Hitsk.in. The less responsive or slowest element that took the longest time to load (680 ms) belongs to the original domain Dhhd4.forumvi.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.9 kB (27%)

Content Size

620.5 kB

After Optimization

450.6 kB

In fact, the total size of Dhhd4.forumvi.net main page is 620.5 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. 40% of websites need less resources to load. Images take 358.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 63.5 kB

  • Original 77.8 kB
  • After minification 77.6 kB
  • After compression 14.4 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 63.5 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 11.5 kB

  • Original 358.0 kB
  • After minification 346.4 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. Dhhd 4 Forumvi images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 52.4 kB

  • Original 131.8 kB
  • After minification 131.4 kB
  • After compression 79.4 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 52.4 kB or 40% of the original size.

CSS Optimization

-80%

Potential reduce by 42.5 kB

  • Original 52.8 kB
  • After minification 51.5 kB
  • After compression 10.3 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. Dhhd4.forumvi.net needs all CSS files to be minified and compressed as it can save up to 42.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (42%)

Requests Now

57

After Optimization

33

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dhhd 4 Forumvi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dhhd4.forumvi.net accessibility score

86

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

Links do not have a discernible name

Best Practices

dhhd4.forumvi.net best practices score

75

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

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dhhd4.forumvi.net SEO score

92

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

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

    VI

  • Language Claimed

    VI

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dhhd4.forumvi.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dhhd4.forumvi.net main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Dhhd 4 Forumvi. 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: