Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

f319.com

Thị trường chứng khoán | Diễn đàn chứng khoán F319.com

Page Load Speed

5.6 sec in total

First Response

981 ms

Resources Loaded

4.4 sec

Page Rendered

235 ms

About Website

Click here to check amazing F319 content for Vietnam. Otherwise, check out these important facts you probably never knew about f319.com

Diễn đàn thị trường chứng khoán F319.com là diễn đàn thảo luận tin tức thị trường chứng khoán, phân tích tài chính sôi động số 1 Việt Nam.

Visit f319.com

Key Findings

We analyzed F319.com page load time and found that the first response time was 981 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

f319.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.244

51/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

f319.com

981 ms

css.php

1368 ms

css.php

1123 ms

adsbygoogle.js

108 ms

cdn.js

1327 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 33% of them (18 requests) were addressed to the original F319.com, 47% (26 requests) were made to F319.mediacdn.vn and 4% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source F319.mediacdn.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.8 kB (17%)

Content Size

619.1 kB

After Optimization

513.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of F319.com main page is 619.1 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. 35% of websites need less resources to load. Javascripts take 434.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 84.0 kB

  • Original 102.2 kB
  • After minification 87.1 kB
  • After compression 18.3 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. This page needs HTML code to be minified as it can gain 15.1 kB, which is 15% 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 84.0 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 8.2 kB

  • Original 82.6 kB
  • After minification 74.4 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. F319 images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 13.7 kB

  • Original 434.2 kB
  • After minification 434.2 kB
  • After compression 420.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (20%)

Requests Now

54

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F319. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

f319.com accessibility score

72

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

f319.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

f319.com SEO score

75

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise F319.com 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 F319.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 F319. 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: