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cdsads.u-strasbg.fr: NASA/ADS

A powerful, streamlined new Astrophysics Data System

Page load speed analysis

cdsads.u-strasbg.fr screenshot

  • 70/100

    Good result

  • 7

    Successful tests

  • 1

    Failed test

  • First response

    457 ms

  • Resources loaded

    745 ms

  • Page rendered

    117 ms

  • Total page load time

    1.3 sec

Welcome to cdsads.u-strasbg.fr homepage info - get ready to check Cds ADS U Strasbg best content for France right away, or after learning these important things about cdsads.u-strasbg.fr

We analyzed Cdsads.u-strasbg.fr page load time and found that the first response time was 457 ms and then it took 862 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

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Page optimization

  • HTML 12.5 kB
    Images 0 B
    Javascripts 26.3 kB
    CSS 0 B

    In fact, the total size of Cdsads.u-strasbg.fr main page is 38.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 26.3 kB which makes up the majority of the site volume.

    • Original 12.5 kB
    • After minification 11.6 kB
    • After compression 3.7 kB

    HTML optimization

    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 8.8 kB or 70% of the original size.

    • Original 26.3 kB
    • After minification 26.3 kB
    • After compression 10.9 kB

    JavaScript optimization

    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 15.4 kB or 58% of the original size.

Network requests diagram

  • cdsads.u-strasbg.fr
  • cds_icon.gif
  • analytics.js
  • newlogo.gif
  • dot.gif
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Our browser made a total of 5 requests to load all elements on the main page. We found that 60% of them (3 requests) were addressed to the original Cdsads.u-strasbg.fr, 20% (1 request) were made to Cdsweb.u-strasbg.fr and 20% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (457 ms) belongs to the original domain Cdsads.u-strasbg.fr.

Additional info on cdsads.u-strasbg.fr

Requests

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

1

Javascripts

3

Images

4

All

Possible request optimization

1

Javascripts

3

Images

0

Optimized

4

All

Good result

IP address

Cdsads.u-strasbg.fr uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

cdsads.u-strasbg.fr

cdsbib.u-strasbg.fr

130.79.128.17

DNS records

Type Host Target/ip TTL Other
A

astrobib.u-strasbg.fr

 130.79.128.17 295
CNAME

cdsads.u-strasbg.fr

 astrobib.u-strasbg.fr 294
MX

astrobib.u-strasbg.fr

 mxd.relay.renater.fr 300 Pri: 5
MX

astrobib.u-strasbg.fr

 mxa.relay.renater.fr 300 Pri: 5
MX

astrobib.u-strasbg.fr

 mxb.relay.renater.fr 300 Pri: 5
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Language and encoding

Normal result

Language

EN en language flag

Detected

N/A language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cdsads.u-strasbg.fr 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 Cdsads.u-strasbg.fr 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.

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HTTPS certificate

SSL Certificate

Cdsads.u-strasbg.fr has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 65.8% of all visits is France. It’s good for Cdsads.u-strasbg.fr that their server is also located in France, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Newly analyzed websites

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Cds ADS U Strasbg. 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:

cdsads.u-strasbg.fr

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