Access tatham.vn. TẠ THÂM – Nhạc cụ Truyền thống chuyên nghiệp số 1 Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

tatham.vn

1048 ms

default.css

486 ms

jquery.css

482 ms

jquery.min.js

26 ms

jquery.js

735 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 44% of them (40 requests) were addressed to the original Tatham.vn, 11% (10 requests) were made to Static.xx.fbcdn.net and 7% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Tatham.vn.

Content Size

5.4 MB

After Optimization

4.4 MB

In fact, the total size of Tatham.vn main page is 5.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 63.5 kB

Original 77.8 kB
After minification 57.5 kB
After compression 14.3 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 20.3 kB, which is 26% 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 63.5 kB or 82% of the original size.

Image Optimization

-19%

Potential reduce by 887.0 kB

Original 4.8 MB
After minification 3.9 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, Tatham needs image optimization as it can save up to 887.0 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 12.5 kB

Original 506.3 kB
After minification 506.3 kB
After compression 493.8 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

-5%

Potential reduce by 1.8 kB

Original 38.3 kB
After minification 38.3 kB
After compression 36.5 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. Tatham.vn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tatham. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Tatham.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 Tatham.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

tatham.vn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

TẠ THÂM – Nhạc cụ Truyền thống chuyên nghiệp số 1 Việt Nam

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

tatham.vn

default.css

jquery.css

jquery.min.js

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

tatham.vn

default.css

jquery.css

jquery.min.js

jquery.js

swallow.js

cufont_ui.js

cufont_hongha.js

api.js

camera.css

camera.js

fancybox.js

all.js

common.js

swfobject.js

recaptcha__en.js

analytics.js

dang-ky-website-voi-bo-cong-thuong.png

bg-body.png

icon.png

cb_25f37281fc598cb2cf6a2eaa515f9182.jpg

cb_7ea06b6f6ca77de9df50482be9d25e29.jpg

cb_9b803d2625594d87946d93fedff06e72.jpg

cb_084fc4af7a5747a886c686840ed3ede3.png

logo.png

cat_25f37281fc598cb2cf6a2eaa515f9182.jpg

cat_7ea06b6f6ca77de9df50482be9d25e29.jpg

cat_9b803d2625594d87946d93fedff06e72.jpg

cat_084fc4af7a5747a886c686840ed3ede3.jpg

banner_f4b9ec30.jpg

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fb_vertical.png

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catalog-ac38.html

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collect

widgets.js

all.js