Tools & Wizards About Us
giasubachkhoa.com.vn screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 0

    Best Practices

  • 81

    SEO

    Google-friendlier than
    43% of websites

giasubachkhoa.com.vn

Page Load Speed

3.6 sec in total

First Response

438 ms

Resources Loaded

2.8 sec

Page Rendered

280 ms

giasubachkhoa.com.vn screenshot

About Website

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

Trung tâm gia sư dạy kèm Bách Khoa với đội ngũ gia sư nhiều kinh nghiệm, giỏi chuyên môn sẽ đem lại cho học sinh kiến thức sâu sắc nhất. Liên hệ tư vấn: 0916276271

Visit giasubachkhoa.com.vn

Key Findings

We analyzed Giasubachkhoa.com.vn page load time and found that the first response time was 438 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

giasubachkhoa.com.vn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

giasubachkhoa.com.vn

438 ms

www.giasubachkhoa.com.vn

1669 ms

thietkeweb-seo.com.css

85 ms

jquery.min.js

192 ms

stickytooltip.js

81 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 86% of them (73 requests) were addressed to the original Giasubachkhoa.com.vn, 6% (5 requests) were made to Google-analytics.com and 4% (3 requests) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Giasubachkhoa.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 468.2 kB (29%)

Content Size

1.6 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Giasubachkhoa.com.vn main page is 1.6 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. 50% of websites need less resources to load. Images take 953.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 93.2 kB

  • Original 118.9 kB
  • After minification 110.2 kB
  • After compression 25.7 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 93.2 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 34.4 kB

  • Original 953.4 kB
  • After minification 919.0 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. Giasubachkhoa images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 324.8 kB

  • Original 544.2 kB
  • After minification 542.9 kB
  • After compression 219.4 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 324.8 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 15.8 kB

  • Original 20.1 kB
  • After minification 17.1 kB
  • After compression 4.3 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. Giasubachkhoa.com.vn needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (18%)

Requests Now

83

After Optimization

68

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Giasubachkhoa. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

giasubachkhoa.com.vn

giasubachkhoa.com.vn

438 ms

www.giasubachkhoa.com.vn

www.giasubachkhoa.com.vn

1669 ms

thietkeweb-seo.com.css

thietkeweb-seo.com.css

85 ms

jquery.min.js

jquery.min.js

192 ms

stickytooltip.js

stickytooltip.js

81 ms

stickytooltip.css

stickytooltip.css

84 ms

tinydropdown.css

tinydropdown.css

84 ms

tinydropdown.js

tinydropdown.js

123 ms

reponsive.css

reponsive.css

125 ms

addthis_widget.js

addthis_widget.js

11 ms

ga.js

ga.js

111 ms

analytics.js

analytics.js

110 ms

online

online

140 ms

online

online

144 ms

online

online

146 ms

wrapt.png

wrapt.png

68 ms

wrap.png

wrap.png

69 ms

banner.png

banner.png

192 ms

logo.png

logo.png

84 ms

gioi-thieu.jpg

gioi-thieu.jpg

68 ms

centertit.png

centertit.png

66 ms

Nam%20h1.jpg

Nam%20h1.jpg

84 ms

th%E1%BA%A7y%20Long.jpg

th%E1%BA%A7y%20Long.jpg

85 ms

L%C3%AA%20Th%E1%BB%8B%20Nga.jpg

L%C3%AA%20Th%E1%BB%8B%20Nga.jpg

87 ms

Nguy%E1%BB%85n%20Th%E1%BB%A7y.jpg

Nguy%E1%BB%85n%20Th%E1%BB%A7y.jpg

85 ms

3x4%20Long.JPG

3x4%20Long.JPG

200 ms

36085019587-Quan.jpg

36085019587-Quan.jpg

127 ms

hinh%20the%20mini.jpg

hinh%20the%20mini.jpg

130 ms

Hinh%20the.jpg

Hinh%20the.jpg

139 ms

149910_337074436409929_1599435565_n.jpg

149910_337074436409929_1599435565_n.jpg

139 ms

90157559515-3x4.jpg

90157559515-3x4.jpg

239 ms

188833_140710379328273_3983665_n.jpg

188833_140710379328273_3983665_n.jpg

168 ms

u.jpg

u.jpg

173 ms

Hinh.jpg

Hinh.jpg

207 ms

Thi%20Oanh.jpg

Thi%20Oanh.jpg

210 ms

My%20Hanh.jpg

My%20Hanh.jpg

213 ms

Minh%20Hoang.jpg

Minh%20Hoang.jpg

228 ms

Thanh%20Long%20(2).jpg

Thanh%20Long%20(2).jpg

240 ms

Phuoc%20Loc.jpg

Phuoc%20Loc.jpg

250 ms

Thanh%20Vui.jpg

Thanh%20Vui.jpg

251 ms

Ngoc%20Duyen.jpg

Ngoc%20Duyen.jpg

253 ms

Quang%20Huu.jpg

Quang%20Huu.jpg

270 ms

33797050734-Untitled%20(FILEminimizer).jpg

33797050734-Untitled%20(FILEminimizer).jpg

281 ms

Thu%20Trang.jpg

Thu%20Trang.jpg

282 ms

Tri%20Luan.jpg

Tri%20Luan.jpg

291 ms

Thi%20Nhan.jpg

Thi%20Nhan.jpg

293 ms

Hong%20Lien.jpg

Hong%20Lien.jpg

295 ms

Minh%20Phuong.jpg

Minh%20Phuong.jpg

311 ms

X.jpg

X.jpg

321 ms

Thanh%20Hung.jpg

Thanh%20Hung.jpg

324 ms

js15.js

js15.js

28 ms

Trong%20Hieu.jpg

Trong%20Hieu.jpg

305 ms

__utm.gif

__utm.gif

20 ms

collect

collect

12 ms

pham-nguyen-dang-trinh-3-7610-1444732517_180x108.jpg

pham-nguyen-dang-trinh-3-7610-1444732517_180x108.jpg

278 ms

DSC-3828-JPG-5751-1425620453_180x108.jpg

DSC-3828-JPG-5751-1425620453_180x108.jpg

279 ms

t%E1%BA%A3i%20xu%E1%BB%91ng%20(8).jpg

t%E1%BA%A3i%20xu%E1%BB%91ng%20(8).jpg

293 ms

3283399.php

3283399.php

10 ms

78424989014-Untitled%20(FILEminimizer).jpg

78424989014-Untitled%20(FILEminimizer).jpg

302 ms

collect

collect

6 ms

cc_3024.js

cc_3024.js

5 ms

thi-sinh-vui-ve-sau-khi-ket-th-9461-7469-1412914208_490x294%20(FILEminimizer).jpg

thi-sinh-vui-ve-sau-khi-ket-th-9461-7469-1412914208_490x294%20(FILEminimizer).jpg

295 ms

pham-vu-luan-2-9419-1380349123-4778-1411779281_180x108.jpg

pham-vu-luan-2-9419-1380349123-4778-1411779281_180x108.jpg

339 ms

DSC-4577-4192-1411476747_180x108.jpg

DSC-4577-4192-1411476747_180x108.jpg

304 ms

thu-khoa-su-pham-1-5743-1402475638_180x108.jpg

thu-khoa-su-pham-1-5743-1402475638_180x108.jpg

303 ms

leftbg.png

leftbg.png

316 ms

leftit.png

leftit.png

288 ms

left_split.png

left_split.png

288 ms

leftbul1.png

leftbul1.png

290 ms

thisinh192091437449083-1454379686_180x108.jpg

thisinh192091437449083-1454379686_180x108.jpg

290 ms

20153701a1-1432115801_180x108.jpg

20153701a1-1432115801_180x108.jpg

275 ms

2-1419858088_180x108.jpg

2-1419858088_180x108.jpg

285 ms

63507853402-Untitled%20(FILEminimizer).jpg

63507853402-Untitled%20(FILEminimizer).jpg

277 ms

IMG-1201-JPG-6359-1412318792_180x108.jpg

IMG-1201-JPG-6359-1412318792_180x108.jpg

306 ms

25-9-201421-2619-1411613822_180x108.jpeg

25-9-201421-2619-1411613822_180x108.jpeg

267 ms

thi-dai-hoc-2014aaa-8204-1407230894_490x294%20(FILEminimizer).jpg

thi-dai-hoc-2014aaa-8204-1407230894_490x294%20(FILEminimizer).jpg

266 ms

thu-khoa-nguyen-huu-tien-6170-1153-7687-1402714748_180x108.jpg

thu-khoa-nguyen-huu-tien-6170-1153-7687-1402714748_180x108.jpg

272 ms

hocthem-1402534220_180x108.jpg

hocthem-1402534220_180x108.jpg

269 ms

dai-hoc-su-pham.jpg

dai-hoc-su-pham.jpg

270 ms

dai-hoc-bach-khoa.jpg

dai-hoc-bach-khoa.jpg

274 ms

Dai%20Hoc%20KH%20Tu%20Nhien.jpg

Dai%20Hoc%20KH%20Tu%20Nhien.jpg

267 ms

Dai%20Hoc%20Cong%20Nghiep.jpg

Dai%20Hoc%20Cong%20Nghiep.jpg

276 ms

dh%20sp%20ky%20thuat%20(FILEminimizer).jpg

dh%20sp%20ky%20thuat%20(FILEminimizer).jpg

286 ms

dai-hoc-kinh-te.jpg

dai-hoc-kinh-te.jpg

275 ms

rightbg.png

rightbg.png

269 ms

Accessibility Review

giasubachkhoa.com.vn accessibility score

73

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

SEO Factors

giasubachkhoa.com.vn SEO score

81

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

    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 Giasubachkhoa.com.vn 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 Giasubachkhoa.com.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

giasubachkhoa.com.vn

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