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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

tw.previewdns.com

Preview DNS

Page Load Speed

953 ms in total

First Response

155 ms

Resources Loaded

682 ms

Page Rendered

116 ms

tw.previewdns.com screenshot

About Website

Welcome to tw.previewdns.com homepage info - get ready to check Tw Preview DNS best content for United States right away, or after learning these important things about tw.previewdns.com

Visit tw.previewdns.com

Key Findings

We analyzed Tw.previewdns.com page load time and found that the first response time was 155 ms and then it took 798 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

tw.previewdns.com performance score

0

Network Requests Diagram

tw.previewdns.com

155 ms

support.previewdns.com

141 ms

background.gif

67 ms

clear.gif

129 ms

header.jpg

192 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Tw.previewdns.com, 83% (5 requests) were made to Support.previewdns.com. The less responsive or slowest element that took the longest time to load (384 ms) relates to the external source Support.previewdns.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.8 kB (34%)

Content Size

43.1 kB

After Optimization

28.3 kB

  • HTML
  • Images

In fact, the total size of Tw.previewdns.com main page is 43.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 40.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 1.7 kB

  • Original 2.4 kB
  • After minification 2.3 kB
  • After compression 736 B

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 1.7 kB or 69% of the original size.

Image Optimization

-32%

Potential reduce by 13.2 kB

  • Original 40.8 kB
  • After minification 27.6 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, Tw Preview DNS needs image optimization as it can save up to 13.2 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tw Preview DNS. According to our analytics all requests are already optimized.

Network Requests Diagram

tw.previewdns.com

tw.previewdns.com

155 ms

support.previewdns.com

support.previewdns.com

141 ms

background.gif

background.gif

67 ms

clear.gif

clear.gif

129 ms

header.jpg

header.jpg

192 ms

main.jpg

main.jpg

384 ms

SEO Factors

tw.previewdns.com SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tw.previewdns.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 Tw.previewdns.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tw.previewdns.com

Open Graph description is not detected on the main page of Tw Preview DNS. 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: