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lists.xapian.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lists.xapian.org

lists.xapian.org Mailing Lists

Page Load Speed

1.6 sec in total

First Response

251 ms

Resources Loaded

1.2 sec

Page Rendered

126 ms

lists.xapian.org screenshot

About Website

Click here to check amazing Lists Xapian content for India. Otherwise, check out these important facts you probably never knew about lists.xapian.org

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Key Findings

We analyzed Lists.xapian.org page load time and found that the first response time was 251 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

lists.xapian.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

lists.xapian.org

251 ms

listinfo

78 ms

listinfo

282 ms

mailman.jpg

79 ms

PythonPowered.png

157 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Lists.xapian.org and no external sources were called. The less responsive or slowest element that took the longest time to load (282 ms) belongs to the original domain Lists.xapian.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 kB (15%)

Content Size

11.4 kB

After Optimization

9.6 kB

  • HTML
  • Images

In fact, the total size of Lists.xapian.org main page is 11.4 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 8.9 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 1.6 kB

  • Original 2.5 kB
  • After minification 2.3 kB
  • After compression 909 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 1.6 kB or 64% of the original size.

Image Optimization

-2%

Potential reduce by 152 B

  • Original 8.9 kB
  • After minification 8.7 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. Lists Xapian images are well optimized though.

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 Lists Xapian. According to our analytics all requests are already optimized.

Network Requests Diagram

lists.xapian.org

lists.xapian.org

251 ms

listinfo

listinfo

78 ms

listinfo

listinfo

282 ms

mailman.jpg

mailman.jpg

79 ms

PythonPowered.png

PythonPowered.png

157 ms

gnu-head-tiny.jpg

gnu-head-tiny.jpg

234 ms

debianpowered.png

debianpowered.png

234 ms

Accessibility Review

lists.xapian.org accessibility score

93

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

Best Practices

lists.xapian.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

lists.xapian.org SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lists.xapian.org 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 Lists.xapian.org main page’s claimed encoding is us-ascii. 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

lists.xapian.org

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