Analyze

ozonewatch.gsfc.nasa.gov: NASA Ozone Watch: Latest status of ozone

Latest status of ozone

Page load speed analysis

  • 70/100

    Good result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    208 ms

  • Resources loaded

    512 ms

  • Page rendered

    404 ms

  • Total page load time

    1.1 sec

Visit ozonewatch.gsfc.nasa.gov now to see the best up-to-date Ozone Watch Gsfc NASA content for United States and also check out these interesting facts you probably never knew about ozonewatch.gsfc.nasa.gov

We analyzed Ozonewatch.gsfc.nasa.gov page load time and found that the first response time was 208 ms and then it took 916 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.

Page optimization

  • HTML 25.4 kB
    Images 47.0 kB
    Javascripts 45.5 kB
    CSS 20.3 kB

    In fact, the total size of Ozonewatch.gsfc.nasa.gov main page is 138.1 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. Only 10% of websites need less resources to load. Images take 47.0 kB which makes up the majority of the site volume.

    • Original 25.4 kB
    • After minification 14.7 kB
    • After compression 4.1 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. This page needs HTML code to be minified as it can gain 10.7 kB, which is 42% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.3 kB or 84% of the original size.

    • Original 47.0 kB
    • After optimization 44.0 kB

    Image optimization

    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. Ozone Watch Gsfc NASA images are well optimized though.

    • Original 45.5 kB
    • After minification 45.0 kB
    • After compression 15.8 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 29.7 kB or 65% of the original size.

    • Original 20.3 kB
    • After minification 7.4 kB
    • After compression 2.1 kB

    CSS optimization

    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. Ozonewatch.gsfc.nasa.gov needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 90% of the original size.

Network requests diagram

  • ozonewatch.gsfc.nasa.gov
  • ozonewatch.gsfc.nasa.gov
  • o3watch.css
  • maps.css
  • home.css
  • Universal-Federated-Analytics-Min.js
  • analytics.js
  • NASA_logo_200.png
  • OZONE_D2018-02-12_G%5E348X348.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • ozone_legend_full.png
  • meteorology_ytd_sh.png
  • meteorology_annual.png
  • OZONE_D2018-02-11_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • OZONE_D2018-02-10_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • OZONE_D2018-02-09_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • OZONE_D2018-02-08_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • OZONE_D2018-02-07_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • OZONE_D2018-02-06_G%5E92X92.IOMPS_PNPP_V21_MGEOS5FP_LSH.JPG
  • goddard_sig.png
  • collect

Our browser made a total of 20 requests to load all elements on the main page. We found that 85% of them (17 requests) were addressed to the original Ozonewatch.gsfc.nasa.gov, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Dap.digitalgov.gov. The less responsive or slowest element that took the longest time to load (208 ms) belongs to the original domain Ozonewatch.gsfc.nasa.gov.

Additional info on ozonewatch.gsfc.nasa.gov

Requests

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ozone Watch Gsfc NASA. According to our analytics all requests are already optimized.

2

Javascripts

13

Images

3

CSS

18

All

Possible request optimization

2

Javascripts

13

Images

3

CSS

0

Optimized

18

All

Good result

Redirects

As for redirects, our browser was forwarded to https://ozonewatch.gsfc.nasa.gov/ before it reached this domain.

IP address

Ozonewatch.gsfc.nasa.gov uses IP address which is currently shared with 3 other domains. 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.

Poor result

IP Trace

ozonewatch.gsfc.nasa.gov

acdb-ext.gsfc.nasa.gov

code916.gsfc.nasa.gov

so2.gsfc.nasa.gov

129.164.142.156

DNS records

Type Host Target/ip TTL Other
A

gs614-hyperion-pz.gsfc.nasa.gov

129.164.142.156 295
CNAME

ozonewatch.gsfc.nasa.gov

gs614-hyperion-pz.gsfc.nasa.gov 294
TXT

gs614-hyperion-pz.gsfc.nasa.gov

300 Txt: v=DMARC1; p=reject; rua=mailto:dmarcmail@mail.nasa.gov,mailto:reports@dmarc.cyber.dhs.gov
TXT

gs614-hyperion-pz.gsfc.nasa.gov

300 Txt: v=spf1 ip4:128.183.245.24 ip4:129.164.142.156 ~all
AAAA

gs614-hyperion-pz.gsfc.nasa.gov

297 Ipv6: 2001:4d0:2310:170::156

Language and encoding

Normal result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ozonewatch.gsfc.nasa.gov 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 Ozonewatch.gsfc.nasa.gov 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.

HTTPS certificate

SSL Certificate

Ozonewatch.gsfc.nasa.gov has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 32.8% of all visits is United States. It’s good for Ozonewatch.gsfc.nasa.gov that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Ozone Watch Gsfc NASA. 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:

ozonewatch.gsfc.nasa.gov

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