Tools & Wizards About Us
blackwoodtek.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

blackwoodtek.com

Shandong Blackwood Environmental Materials Technology Co., Ltd.-Blackwood

Page Load Speed

15.9 sec in total

First Response

915 ms

Resources Loaded

14.7 sec

Page Rendered

305 ms

blackwoodtek.com screenshot

About Website

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

Possessing numerous international patents, Blackwood is committed to the development of Eco-friendly technologies and industries, in the field of modified wood, new material…

Visit blackwoodtek.com

Key Findings

We analyzed Blackwoodtek.com page load time and found that the first response time was 915 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

blackwoodtek.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

blackwoodtek.com

915 ms

style.css

592 ms

jquery.js

1226 ms

jquery.touchcarousel-1.0.min.js

605 ms

lanrenzhijia.css

413 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 97% of them (37 requests) were addressed to the original Blackwoodtek.com, 3% (1 request) were made to 9test.jianzhicq.xyz. The less responsive or slowest element that took the longest time to load (12.4 sec) belongs to the original domain Blackwoodtek.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.0 kB (9%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackwoodtek.com main page is 1.2 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. 30% of websites need less resources to load. Images take 993.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.2 kB

  • Original 19.8 kB
  • After minification 18.5 kB
  • After compression 4.6 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 15.2 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 49.8 kB

  • Original 993.8 kB
  • After minification 944.0 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. Blackwood Tek images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 32.0 kB

  • Original 148.2 kB
  • After minification 148.2 kB
  • After compression 116.2 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 32.0 kB or 22% of the original size.

CSS Optimization

-39%

Potential reduce by 5.0 kB

  • Original 12.8 kB
  • After minification 12.8 kB
  • After compression 7.7 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. Blackwoodtek.com needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

36

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackwood Tek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blackwoodtek.com

blackwoodtek.com

915 ms

style.css

style.css

592 ms

jquery.js

jquery.js

1226 ms

jquery.touchcarousel-1.0.min.js

jquery.touchcarousel-1.0.min.js

605 ms

lanrenzhijia.css

lanrenzhijia.css

413 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

900 ms

ajax-submit.js

ajax-submit.js

646 ms

jquery-v1.10.2.min.js

jquery-v1.10.2.min.js

1487 ms

modernizr-custom-v2.7.1.min.js

modernizr-custom-v2.7.1.min.js

789 ms

jquery-finger-v0.1.0.min.js

jquery-finger-v0.1.0.min.js

809 ms

flickerplate.css

flickerplate.css

865 ms

flickerplate.min.js

flickerplate.min.js

986 ms

tt6.css

tt6.css

801 ms

tt7.css

tt7.css

981 ms

p1.jpg

p1.jpg

17 ms

logo.jpg

logo.jpg

220 ms

show_bk.png

show_bk.png

218 ms

tel.png

tel.png

894 ms

yx.png

yx.png

202 ms

xx.png

xx.png

203 ms

wx.jpg

wx.jpg

404 ms

sousuo.png

sousuo.png

387 ms

bgg1.jpg

bgg1.jpg

653 ms

564c2574dfcec.jpg

564c2574dfcec.jpg

4432 ms

564c252987d15.jpg

564c252987d15.jpg

3961 ms

564c26b17a8dc.jpg

564c26b17a8dc.jpg

734 ms

arrow-left-light.png

arrow-left-light.png

294 ms

arrow-right-light.png

arrow-right-light.png

494 ms

56cff263b969b.jpg

56cff263b969b.jpg

6870 ms

567ce3bd35f14.jpg

567ce3bd35f14.jpg

10124 ms

567e383101fe5.jpg

567e383101fe5.jpg

6044 ms

564c10b557cd1.jpg

564c10b557cd1.jpg

11526 ms

banner2.jpg

banner2.jpg

5004 ms

564c129f6b80b.jpg

564c129f6b80b.jpg

12419 ms

banner4.jpg

banner4.jpg

11327 ms

banner5.jpg

banner5.jpg

9596 ms

banner6.jpg

banner6.jpg

11217 ms

banner7.jpg

banner7.jpg

10466 ms

Accessibility Review

blackwoodtek.com accessibility score

52

Accessibility Issues

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

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

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

Best Practices

blackwoodtek.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

blackwoodtek.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackwoodtek.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Blackwoodtek.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

blackwoodtek.com

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