Tools & Wizards About Us
sachhoctro.com.vn screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

sachhoctro.com.vn

Sachhoctro.com.vn - Thiên đường sách hay tuổi học trò

Page Load Speed

33.4 sec in total

First Response

5.7 sec

Resources Loaded

27.1 sec

Page Rendered

615 ms

sachhoctro.com.vn screenshot

About Website

Welcome to sachhoctro.com.vn homepage info - get ready to check Sachhoctro best content right away, or after learning these important things about sachhoctro.com.vn

Thiên đường sách hay tuổi học trò miễn phí, cập nhật sách hay mỗi ngày đáp ứng nhu cầu đa dạng của độc giả. Mời bạn đón đọc trên Sachhoctro.com.vn

Visit sachhoctro.com.vn

Key Findings

We analyzed Sachhoctro.com.vn page load time and found that the first response time was 5.7 sec and then it took 27.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sachhoctro.com.vn performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

sachhoctro.com.vn

5657 ms

styles.css

638 ms

kk-star-ratings.min.css

636 ms

screen.min.css

650 ms

style.css

922 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 83% of them (50 requests) were addressed to the original Sachhoctro.com.vn, 7% (4 requests) were made to 0.gravatar.com and 7% (4 requests) were made to 1.gravatar.com. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Sachhoctro.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.5 kB (6%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sachhoctro.com.vn main page is 2.1 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. 20% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 64.2 kB

  • Original 75.0 kB
  • After minification 64.4 kB
  • After compression 10.8 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 10.6 kB, which is 14% 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 64.2 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 45.4 kB

  • Original 1.9 MB
  • After minification 1.8 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. Sachhoctro images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 4.3 kB

  • Original 106.7 kB
  • After minification 106.7 kB
  • After compression 102.3 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.

CSS Optimization

-10%

Potential reduce by 4.6 kB

  • Original 48.1 kB
  • After minification 48.1 kB
  • After compression 43.5 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. Sachhoctro.com.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (44%)

Requests Now

52

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sachhoctro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sachhoctro.com.vn

sachhoctro.com.vn

5657 ms

styles.css

styles.css

638 ms

kk-star-ratings.min.css

kk-star-ratings.min.css

636 ms

screen.min.css

screen.min.css

650 ms

style.css

style.css

922 ms

all.min.css

all.min.css

948 ms

responsive.css

responsive.css

1042 ms

492c49c1acad1c0796f2d735c1798bd8.css

492c49c1acad1c0796f2d735c1798bd8.css

1040 ms

jquery.min.js

jquery.min.js

2776 ms

jquery-migrate.min.js

jquery-migrate.min.js

1279 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

304 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

308 ms

wp-polyfill.min.js

wp-polyfill.min.js

1835 ms

hooks.min.js

hooks.min.js

319 ms

i18n.min.js

i18n.min.js

437 ms

index.js

index.js

589 ms

index.js

index.js

596 ms

kk-star-ratings.min.js

kk-star-ratings.min.js

607 ms

front.min.js

front.min.js

749 ms

magbook-main.js

magbook-main.js

881 ms

jquery.sticky.min.js

jquery.sticky.min.js

889 ms

sticky-settings.js

sticky-settings.js

912 ms

navigation.js

navigation.js

1063 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

1193 ms

flexslider-setting.js

flexslider-setting.js

1191 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

1222 ms

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107 ms

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107 ms

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109 ms

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105 ms

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106 ms

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357 ms

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1425 ms

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4941 ms

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2750 ms

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3866 ms

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2160 ms

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3717 ms

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4323 ms

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4744 ms

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19770 ms

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4980 ms

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6095 ms

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6496 ms

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6897 ms

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6949 ms

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8310 ms

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8838 ms

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7920 ms

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9134 ms

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9788 ms

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9646 ms

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143 ms

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13607 ms

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9302 ms

Accessibility Review

sachhoctro.com.vn accessibility score

87

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

sachhoctro.com.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sachhoctro.com.vn SEO score

99

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

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 Sachhoctro.com.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 Sachhoctro.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

sachhoctro.com.vn

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