Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 0

    SEO

thuvienykhoa.vn

Tài liệu Y học | Tài liệu Y Khoa | Thư viện Y Khoa ...

Page Load Speed

4.1 sec in total

First Response

592 ms

Resources Loaded

2.8 sec

Page Rendered

704 ms

About Website

Click here to check amazing Thuvieny Khoa content for Vietnam. Otherwise, check out these important facts you probably never knew about thuvienykhoa.vn

Thư viện Y khoa, tổng hợp tài liệu y học, nghiên cứu chuyên nghành với gần 50.000 đề tài nghiên cứu và các bài báo khoa học, ebooks được cập nhật hàng ngày.

Visit thuvienykhoa.vn

Key Findings

We analyzed Thuvienykhoa.vn page load time and found that the first response time was 592 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

thuvienykhoa.vn performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

thuvienykhoa.vn

592 ms

contentslider.css

40 ms

link_edocom.css

74 ms

styles.css

80 ms

ja.header.js

72 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 44% of them (63 requests) were addressed to the original Thuvienykhoa.vn, 13% (19 requests) were made to Um.simpli.fi and 4% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source De.tynt.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.6 kB (7%)

Content Size

3.1 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thuvienykhoa.vn main page is 3.1 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. 65% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 53.6 kB

  • Original 66.5 kB
  • After minification 59.9 kB
  • After compression 12.8 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. 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 53.6 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 120.9 kB

  • Original 2.9 MB
  • After minification 2.8 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. Thuvieny Khoa images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 19.7 kB

  • Original 136.9 kB
  • After minification 136.4 kB
  • After compression 117.1 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 19.7 kB or 14% of the original size.

CSS Optimization

-84%

Potential reduce by 13.3 kB

  • Original 15.9 kB
  • After minification 12.7 kB
  • After compression 2.6 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. Thuvienykhoa.vn needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (59%)

Requests Now

119

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thuvieny Khoa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

thuvienykhoa.vn accessibility score

63

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

Image elements do not have [alt] attributes

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

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

thuvienykhoa.vn best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

thuvienykhoa.vn SEO score

0

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 Thuvienykhoa.vn 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 Thuvienykhoa.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 description is not detected on the main page of Thuvieny Khoa. 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: