Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 0

    Best Practices

  • 71

    SEO

    Google-friendlier than
    30% of websites

Page Load Speed

26.5 sec in total

First Response

1.4 sec

Resources Loaded

24.3 sec

Page Rendered

843 ms

opera.blogtiengviet.net screenshot

About Website

Visit opera.blogtiengviet.net now to see the best up-to-date Opera Blogtiengviet content for Vietnam and also check out these interesting facts you probably never knew about opera.blogtiengviet.net

Blog Tiếng Việt là hệ thống blog miễn phí hỗ trợ tiếng Việt nhằm phục vụ cho người Việt Nam. Thủ tục đăng ký, thiết đặt rất đơn giản, bạn sẽ có ngay một blog theo ý muốn. Bạn còn nhận được dung lượng ...

Visit opera.blogtiengviet.net

Key Findings

We analyzed Opera.blogtiengviet.net page load time and found that the first response time was 1.4 sec and then it took 25.1 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. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

opera.blogtiengviet.net performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value11.5 s

19/100

10%

Network Requests Diagram

opera.blogtiengviet.net

1412 ms

style.css

3237 ms

jquery.min.js

66 ms

jquery.corner.js

3258 ms

show_ads.js

10 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 14% of them (12 requests) were addressed to the original Opera.blogtiengviet.net, 38% (32 requests) were made to Blogtiengviet.net and 7% (6 requests) were made to Thumbnail.image.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Blogtiengviet.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.6 kB (36%)

Content Size

932.2 kB

After Optimization

594.7 kB

In fact, the total size of Opera.blogtiengviet.net main page is 932.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 478.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 81.9 kB

  • Original 108.0 kB
  • After minification 97.4 kB
  • After compression 26.2 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 81.9 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 13.8 kB

  • Original 478.0 kB
  • After minification 464.2 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. Opera Blogtiengviet images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 134.6 kB

  • Original 230.4 kB
  • After minification 218.3 kB
  • After compression 95.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 134.6 kB or 58% of the original size.

CSS Optimization

-93%

Potential reduce by 107.3 kB

  • Original 115.8 kB
  • After minification 115.0 kB
  • After compression 8.5 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. Opera.blogtiengviet.net needs all CSS files to be minified and compressed as it can save up to 107.3 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (39%)

Requests Now

75

After Optimization

46

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opera Blogtiengviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

opera.blogtiengviet.net accessibility score

53

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

SEO Factors

opera.blogtiengviet.net SEO score

71

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

High

robots.txt is not valid

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opera.blogtiengviet.net 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), while the claimed language is Vietnamese. Our system also found out that Opera.blogtiengviet.net 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 Opera Blogtiengviet. 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: