Tools & Wizards About Us
btlagency.com screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

btlagency.com

开云官方注册-开云(中国)官网

Page Load Speed

47.7 sec in total

First Response

1.5 sec

Resources Loaded

44.7 sec

Page Rendered

1.5 sec

btlagency.com screenshot

About Website

Visit btlagency.com now to see the best up-to-date Btlagency content and also check out these interesting facts you probably never knew about btlagency.com

开云官方注册成立于1995年，注册资金100万元，固定资产2400万元，占地面积80亩开云(中国)官网是一家专业从事TPMS胎压监测、特种车胎压监测、公交车胎压监测、客车胎压监测、货车胎压监测、卡车胎压监测、胎压监测装置、胎压监测系统、胎压检测、消防压力监测、车载雷达盲区监控、车载视频监控系统、手机控车、车载雷达盲区监测等产品的研发，生产，销售，服务于一体的高新科技企业，产品热销广东、江苏、浙江、...

Visit btlagency.com

Key Findings

We analyzed Btlagency.com page load time and found that the first response time was 1.5 sec and then it took 46.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

btlagency.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value18.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.362

30/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

btlagency.com

1478 ms

3583 ms

analytics.js

146 ms

collect

318 ms

shareaholic.js

303 ms

Our browser made a total of 232 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Btlagency.com, 66% (154 requests) were made to Btl-company.com and 3% (7 requests) were made to Dsum-sec.casalemedia.com. The less responsive or slowest element that took the longest time to load (15.1 sec) relates to the external source Btl-company.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (30%)

Content Size

5.4 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Btlagency.com 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 335.9 kB

  • Original 372.4 kB
  • After minification 355.0 kB
  • After compression 36.4 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 335.9 kB or 90% of the original size.

Image Optimization

-2%

Potential reduce by 60.6 kB

  • Original 3.4 MB
  • After minification 3.3 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. Btlagency images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 995.9 kB

  • Original 1.4 MB
  • After minification 1.3 MB
  • After compression 385.6 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 995.9 kB or 72% of the original size.

CSS Optimization

-76%

Potential reduce by 205.1 kB

  • Original 268.5 kB
  • After minification 239.3 kB
  • After compression 63.4 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. Btlagency.com needs all CSS files to be minified and compressed as it can save up to 205.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 102 (50%)

Requests Now

206

After Optimization

104

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 206 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Btlagency. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

btlagency.com

btlagency.com

1478 ms

3583 ms

analytics.js

analytics.js

146 ms

collect

collect

318 ms

shareaholic.js

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303 ms

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Vwf3H8AoJV8AAb4c2.QAAAAR%26636

Vwf3H8AoJV8AAb4c2.QAAAAR%26636

410 ms

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Accessibility Review

btlagency.com accessibility score

88

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

button, link, and menuitem elements do not have accessible names.

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

btlagency.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

btlagency.com SEO score

85

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    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 Btlagency.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 Btlagency.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

btlagency.com

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