Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

ttbvs.com

TTBVS-Security System&Alarms System&Access Control&Quadcopter Global Supplier

Page Load Speed

42.5 sec in total

First Response

7.9 sec

Resources Loaded

34.3 sec

Page Rendered

306 ms

ttbvs.com screenshot

About Website

Welcome to ttbvs.com homepage info - get ready to check TTBVS best content for China right away, or after learning these important things about ttbvs.com

TTBVS is a reliable global online shopping that delivers products directly to consumers around the world

Visit ttbvs.com

Key Findings

We analyzed Ttbvs.com page load time and found that the first response time was 7.9 sec and then it took 34.6 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 were 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ttbvs.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

ttbvs.com

7930 ms

www.ttbvs.com

3551 ms

css.css

1389 ms

Index.aspx

2869 ms

banner.css

530 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 50% of them (59 requests) were addressed to the original Ttbvs.com, 18% (21 requests) were made to File01.up71.com and 14% (16 requests) were made to File02.up71.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source File02.up71.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (78%)

Content Size

1.5 MB

After Optimization

327.3 kB

In fact, the total size of Ttbvs.com main page is 1.5 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. 25% of websites need less resources to load. Images take 988.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 42.0 kB

  • Original 51.0 kB
  • After minification 44.9 kB
  • After compression 9.0 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 6.1 kB, which is 12% 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 42.0 kB or 82% of the original size.

Image Optimization

-84%

Potential reduce by 833.7 kB

  • Original 988.6 kB
  • After minification 154.9 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. Obviously, TTBVS needs image optimization as it can save up to 833.7 kB or 84% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 139.1 kB

  • Original 284.9 kB
  • After minification 274.7 kB
  • After compression 145.7 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 139.1 kB or 49% of the original size.

CSS Optimization

-87%

Potential reduce by 118.1 kB

  • Original 135.8 kB
  • After minification 120.5 kB
  • After compression 17.7 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. Ttbvs.com needs all CSS files to be minified and compressed as it can save up to 118.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (40%)

Requests Now

90

After Optimization

54

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TTBVS. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ttbvs.com accessibility score

58

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

Document doesn't have a <title> element

High

Form elements do not have associated labels

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

ttbvs.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

ttbvs.com SEO score

58

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

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ttbvs.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Ttbvs.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

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