Tools & Wizards About Us
tailieugiangday.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

tailieugiangday.com

Trang chủ - - Website chuyên cung cấp tài liệu giảng dạy, đề thi THPT Quốc gia 2017, 2018, 2019, 2020 file word có lời giải chi tiết.

Page Load Speed

9.5 sec in total

First Response

816 ms

Resources Loaded

8.2 sec

Page Rendered

504 ms

tailieugiangday.com screenshot

About Website

Visit tailieugiangday.com now to see the best up-to-date Tailieu Gia Ngday content for Vietnam and also check out these interesting facts you probably never knew about tailieugiangday.com

- Website chuyên cung cấp tài liệu giảng dạy, đề thi THPT Quốc gia 2017, 2018, 2019, 2020 file word có lời giải chi tiết.

Visit tailieugiangday.com

Key Findings

We analyzed Tailieugiangday.com page load time and found that the first response time was 816 ms and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tailieugiangday.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value25.2 s

0/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

tailieugiangday.com

816 ms

www.tailieugiangday.com

1451 ms

trang-chu.htm

983 ms

jquery-1.10.1.min.js

1142 ms

jquery.mousewheel-3.0.6.pack.js

1107 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 76% of them (60 requests) were addressed to the original Tailieugiangday.com, 4% (3 requests) were made to Fonts.googleapis.com and 4% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Tailieugiangday.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 595.2 kB (27%)

Content Size

2.2 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tailieugiangday.com main page is 2.2 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 74.6 kB

  • Original 92.7 kB
  • After minification 75.8 kB
  • After compression 18.1 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 16.9 kB, which is 18% 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 74.6 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 240.0 kB

  • Original 1.7 MB
  • After minification 1.4 MB

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, Tailieu Gia Ngday needs image optimization as it can save up to 240.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 120.3 kB

  • Original 234.9 kB
  • After minification 211.2 kB
  • After compression 114.6 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 120.3 kB or 51% of the original size.

CSS Optimization

-83%

Potential reduce by 160.3 kB

  • Original 193.8 kB
  • After minification 182.1 kB
  • After compression 33.4 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. Tailieugiangday.com needs all CSS files to be minified and compressed as it can save up to 160.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (50%)

Requests Now

66

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tailieu Gia Ngday. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tailieugiangday.com

tailieugiangday.com

816 ms

www.tailieugiangday.com

www.tailieugiangday.com

1451 ms

trang-chu.htm

trang-chu.htm

983 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

1142 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

1107 ms

jquery.fancybox.js

jquery.fancybox.js

1682 ms

jquery.fancybox.css

jquery.fancybox.css

1227 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

1228 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

1245 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

1420 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

1431 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

1462 ms

jquery.price_format.min.js

jquery.price_format.min.js

1492 ms

jquery.cookie.js

jquery.cookie.js

1496 ms

Lib.js

Lib.js

1667 ms

jquery.timeago.js

jquery.timeago.js

1701 ms

pdfobject.min.js

pdfobject.min.js

1748 ms

sweetalert2.all.min.js

sweetalert2.all.min.js

2355 ms

sweetalert2.min.css

sweetalert2.min.css

2094 ms

style.css

style.css

1954 ms

responsive.css

responsive.css

1961 ms

hover-min.css

hover-min.css

1988 ms

client:platform.js

client:platform.js

88 ms

gglogin.js

gglogin.js

2024 ms

js

js

113 ms

css

css

101 ms

ionicons.min.css

ionicons.min.css

2221 ms

content.css

content.css

2235 ms

contentbuilder.css

contentbuilder.css

2248 ms

css

css

34 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

60 ms

chat-fb.png

chat-fb.png

715 ms

202209141131313232.png

202209141131313232.png

893 ms

202209141153154297.png

202209141153154297.png

1494 ms

201912021659058417.png

201912021659058417.png

826 ms

202105191842266842.png

202105191842266842.png

1227 ms

202004051804041714.png

202004051804041714.png

687 ms

202004051808019154.jpg

202004051808019154.jpg

824 ms

202004051812459224.jpg

202004051812459224.jpg

827 ms

202108051941516169.png

202108051941516169.png

983 ms

202009121052515257.jpg

202009121052515257.jpg

982 ms

k02-2.jpg

k02-2.jpg

1022 ms

20200912150721101.png

20200912150721101.png

1188 ms

xfbml.customerchat.js

xfbml.customerchat.js

358 ms

fbevents.js

fbevents.js

317 ms

analytics.js

analytics.js

643 ms

css

css

303 ms

fontello.css

fontello.css

1211 ms

ionicons.min.css

ionicons.min.css

1260 ms

fontello.css

fontello.css

1292 ms

animation.css

animation.css

1434 ms

conversion_async.js

conversion_async.js

572 ms

373669594739344

373669594739344

147 ms

collect

collect

69 ms

94 ms

collect

collect

73 ms

29 ms

ga-audiences

ga-audiences

18 ms

bgtt-header-logo.png

bgtt-header-logo.png

283 ms

sprite.png

sprite.png

302 ms

OpenSans-Bold.ttf

OpenSans-Bold.ttf

286 ms

Document.ashx

Document.ashx

350 ms

Document.ashx

Document.ashx

341 ms

page.php

page.php

93 ms

MyriadPro-Regular.otf

MyriadPro-Regular.otf

636 ms

OpenSans-Regular.ttf

OpenSans-Regular.ttf

528 ms

101142039698.png.thumb300x300.jpg

101142039698.png.thumb300x300.jpg

579 ms

math-icon.png

math-icon.png

592 ms

english-icon.png

english-icon.png

629 ms

21180608228.jpg.thumb300x300.jpg

21180608228.jpg.thumb300x300.jpg

633 ms

201804113143.png.thumb300x300.jpg

201804113143.png.thumb300x300.jpg

825 ms

view-more-icon.png

view-more-icon.png

866 ms

1Pt_g8LJRfWJmhDAuUsSQamb1W0lwk4S4TbMDrMfJQ.ttf

1Pt_g8LJRfWJmhDAuUsSQamb1W0lwk4S4TbMDrMfJQ.ttf

33 ms

OpenSans-Light.ttf

OpenSans-Light.ttf

862 ms

blue-book.jpg

blue-book.jpg

1200 ms

chemistry-icon.png

chemistry-icon.png

934 ms

literature-icon.png

literature-icon.png

952 ms

exam.jpg

exam.jpg

1084 ms

r1NzzEncIxB.css

r1NzzEncIxB.css

18 ms

Accessibility Review

tailieugiangday.com accessibility score

65

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

tailieugiangday.com best practices score

58

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

SEO Factors

tailieugiangday.com SEO score

62

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tailieugiangday.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tailieugiangday.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

tailieugiangday.com

Open Graph data is detected on the main page of Tailieu Gia Ngday. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: