Tools & Wizards About Us
simthanglong.net screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

simthanglong.net

Start-ups – Just another Aeroland site

Page Load Speed

8.3 sec in total

First Response

1.1 sec

Resources Loaded

6.9 sec

Page Rendered

273 ms

simthanglong.net screenshot

About Website

Click here to check amazing Simthanglong content for Vietnam. Otherwise, check out these important facts you probably never knew about simthanglong.net

Sim Thăng Long - Kho sim số đẹp giá rẻ lớn nhất ở tại thị trường sim Việt Nam với những dòng sim số cam kết VIP của Vina,Viettel, Mobi và nhiều mạng nhỏ khác hiên nay

Visit simthanglong.net

Key Findings

We analyzed Simthanglong.net page load time and found that the first response time was 1.1 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

simthanglong.net performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

simthanglong.net

1094 ms

jquery.min.js

744 ms

style.css

766 ms

jquery.js

507 ms

jquery_002.js

786 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 73% of them (32 requests) were addressed to the original Simthanglong.net, 7% (3 requests) were made to Vs3.tawk.to and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Simthanglong.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 602.2 kB (75%)

Content Size

798.3 kB

After Optimization

196.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Simthanglong.net main page is 798.3 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. 35% of websites need less resources to load. Javascripts take 583.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 98.7 kB

  • Original 112.2 kB
  • After minification 94.6 kB
  • After compression 13.5 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 17.5 kB, which is 16% 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 98.7 kB or 88% of the original size.

Image Optimization

-32%

Potential reduce by 6.6 kB

  • Original 20.7 kB
  • After minification 14.2 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. Obviously, Simthanglong needs image optimization as it can save up to 6.6 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 430.1 kB

  • Original 583.5 kB
  • After minification 560.8 kB
  • After compression 153.4 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 430.1 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 66.9 kB

  • Original 81.9 kB
  • After minification 71.4 kB
  • After compression 15.1 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. Simthanglong.net needs all CSS files to be minified and compressed as it can save up to 66.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (51%)

Requests Now

39

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Simthanglong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

simthanglong.net

simthanglong.net

1094 ms

jquery.min.js

jquery.min.js

744 ms

style.css

style.css

766 ms

jquery.js

jquery.js

507 ms

jquery_002.js

jquery_002.js

786 ms

treeview.js

treeview.js

524 ms

treeview.css

treeview.css

525 ms

left_right_ad.js

left_right_ad.js

518 ms

jquery.dialogbox.css

jquery.dialogbox.css

599 ms

jquery.min.js

jquery.min.js

67 ms

jquery.dialogBox.js

jquery.dialogBox.js

603 ms

jquery.cookie.js

jquery.cookie.js

731 ms

analytics.js

analytics.js

72 ms

bg_top.gif

bg_top.gif

266 ms

logo_simdienthoai.png

logo_simdienthoai.png

263 ms

simdt.jpg

simdt.jpg

1570 ms

bg_menu_c.png

bg_menu_c.png

249 ms

bg_menu_b.png

bg_menu_b.png

417 ms

bg_main.png

bg_main.png

495 ms

bg_main_c.png

bg_main_c.png

551 ms

s1.png

s1.png

551 ms

bg_main_b.png

bg_main_b.png

665 ms

tdtop_bg.png

tdtop_bg.png

741 ms

mobifone.gif

mobifone.gif

752 ms

vinaphone.gif

vinaphone.gif

1408 ms

viettel.gif

viettel.gif

809 ms

vuong.png

vuong.png

911 ms

footer.gif

footer.gif

987 ms

fullborder_bg_right1.gif

fullborder_bg_right1.gif

1011 ms

fullborder_bg1.gif

fullborder_bg1.gif

1056 ms

button.gif

button.gif

1155 ms

banner_2.gif

banner_2.gif

3680 ms

banner_1.gif

banner_1.gif

5234 ms

collect

collect

13 ms

collect

collect

58 ms

default

default

351 ms

simthanglong.net

simthanglong.net

1114 ms

icons.png

icons.png

27 ms

1458415512993

1458415512993

215 ms

ajax-loader-3.gif

ajax-loader-3.gif

15 ms

161 ms

40 ms

255 ms

v3

v3

62 ms

Accessibility Review

simthanglong.net accessibility score

92

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.

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

Links do not have a discernible name

Best Practices

simthanglong.net best practices score

83

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

SEO Factors

simthanglong.net SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simthanglong.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Simthanglong.net 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

simthanglong.net

Open Graph description is not detected on the main page of Simthanglong. 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: