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tantech.com.au screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

tantech.com.au

Woolskin detergent: effective against dustmite in wool & sheepskin, UGG Protector, oilskin reproofer, fibre scour, felting finishing, leather cleaner,...

Page Load Speed

5 sec in total

First Response

974 ms

Resources Loaded

3.8 sec

Page Rendered

224 ms

tantech.com.au screenshot

About Website

Click here to check amazing Tantech content. Otherwise, check out these important facts you probably never knew about tantech.com.au

Tantech have developed a line of products effective against dustmite in wool and sheepskin, leather and timber cleaners and protecters and oilskin products.

Visit tantech.com.au

Key Findings

We analyzed Tantech.com.au page load time and found that the first response time was 974 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tantech.com.au performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value6.2 s

63/100

10%

Network Requests Diagram

tantech.com.au

974 ms

tantech.com.au

965 ms

tantech.css

225 ms

navigation.css

449 ms

sitemap.css

672 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 83% of them (24 requests) were addressed to the original Tantech.com.au, 14% (4 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Tantech.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.5 kB (2%)

Content Size

857.7 kB

After Optimization

842.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tantech.com.au main page is 857.7 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. 25% of websites need less resources to load. Images take 797.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 11.3 kB

  • Original 15.7 kB
  • After minification 14.8 kB
  • After compression 4.5 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 11.3 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 871 B

  • Original 797.8 kB
  • After minification 796.9 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. Tantech images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 239 B

  • Original 35.5 kB
  • After minification 35.5 kB
  • After compression 35.3 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

-36%

Potential reduce by 3.1 kB

  • Original 8.6 kB
  • After minification 8.6 kB
  • After compression 5.5 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. Tantech.com.au needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (35%)

Requests Now

23

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tantech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tantech.com.au

tantech.com.au

974 ms

tantech.com.au

tantech.com.au

965 ms

tantech.css

tantech.css

225 ms

navigation.css

navigation.css

449 ms

sitemap.css

sitemap.css

672 ms

responsiveslides.css

responsiveslides.css

673 ms

captions.css

captions.css

677 ms

logo.png

logo.png

933 ms

slider_pic.php

slider_pic.php

1181 ms

slider_pic.php

slider_pic.php

1188 ms

slider_pic.php

slider_pic.php

1127 ms

slider_pic.php

slider_pic.php

1804 ms

slider_pic.php

slider_pic.php

1365 ms

slider_pic.php

slider_pic.php

1421 ms

jquery-1.9.0.min.js

jquery-1.9.0.min.js

1355 ms

jquery.flexnav.js

jquery.flexnav.js

1413 ms

responsiveslides.min.js

responsiveslides.min.js

1423 ms

slide.js

slide.js

1580 ms

css

css

20 ms

right.jpg

right.jpg

1130 ms

left.jpg

left.jpg

1204 ms

midback.jpg

midback.jpg

974 ms

headerr.jpg

headerr.jpg

982 ms

headerl.jpg

headerl.jpg

1128 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

9 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

14 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

16 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVQ.woff

16 ms

arrows_banner.png

arrows_banner.png

299 ms

Accessibility Review

tantech.com.au accessibility score

71

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

tantech.com.au best practices score

50

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tantech.com.au SEO score

78

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tantech.com.au 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 Tantech.com.au 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

tantech.com.au

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