Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

seomaster.vn

Sách SEO Master - Tác giả Nguyễn Trọng Thơ

Page Load Speed

8.1 sec in total

First Response

2.1 sec

Resources Loaded

5.5 sec

Page Rendered

426 ms

seomaster.vn screenshot

About Website

Welcome to seomaster.vn homepage info - get ready to check SEO Master best content for Vietnam right away, or after learning these important things about seomaster.vn

Đặt mua sách SEO MASTER - Bí Quyết SEO Website lên Trang 1 Google, Youtube, Shopee, Amazon

Visit seomaster.vn

Key Findings

We analyzed Seomaster.vn page load time and found that the first response time was 2.1 sec and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

seomaster.vn performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

seomaster.vn

2140 ms

ga.js

40 ms

default.css

1096 ms

widget.css

833 ms

util.js

838 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Seomaster.vn, 19% (28 requests) were made to Static.xx.fbcdn.net and 17% (24 requests) were made to Web.tin.vn. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Web.tin.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 924.1 kB (47%)

Content Size

2.0 MB

After Optimization

1.0 MB

In fact, the total size of Seomaster.vn main page is 2.0 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. 75% 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. Javascripts take 911.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 25.7 kB

  • Original 35.5 kB
  • After minification 35.0 kB
  • After compression 9.9 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 25.7 kB or 72% of the original size.

Image Optimization

-3%

Potential reduce by 18.1 kB

  • Original 696.8 kB
  • After minification 678.7 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. SEO Master images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 614.2 kB

  • Original 911.0 kB
  • After minification 911.0 kB
  • After compression 296.9 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 614.2 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 266.1 kB

  • Original 320.9 kB
  • After minification 304.6 kB
  • After compression 54.8 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. Seomaster.vn needs all CSS files to be minified and compressed as it can save up to 266.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (54%)

Requests Now

124

After Optimization

57

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEO Master. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

seomaster.vn accessibility score

60

Accessibility Issues

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

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

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

seomaster.vn best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

seomaster.vn SEO score

100

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seomaster.vn 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 Seomaster.vn 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 data is detected on the main page of SEO Master. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: