isprs.org Website Information

Daily Unique Visits: 20,887

Daily Page Views: 125,322

Income Per Day: $251

Estimated Value: $180,720

This website is located in Germany and is using following IP address 141.58.125.71. See the complete list of popular websites hosted in Germany.

isprs.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website isprs.org is using the following name servers:

dns1.uni-stuttgart.edu
dns0.uni-stuttgart.de

and is probably hosted by Universitaet Stuttgart. See the full list of other websites hosted by Universitaet Stuttgart.

The highest website isprs.org position in Alexa rank database was 67134 and the lowest rank position was 68665. Current position of isprs.org in Alexa rank database is 68665.

Desktop speed score of isprs.org (49/100) is better than the results of 22.8% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of isprs.org (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of isprs.org (44/100) is better than the results of 24.22% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

isprs.org Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

isprs.org whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain Name: isprs.org
Registry Domain ID: 3102542b15e0413a98e20db433217893-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2024-04-28T12:21:38Z
Creation Date: 1999-09-15T10:29:37Z
Registry Expiry Date: 2027-09-15T10:29:37Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: ISPRS (International Society for Photogrammetry and Remote Sensing)
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Niedersachsen
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: DE
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns-auth1.uni-stuttgart.de
Name Server: dns-auth2.uni-stuttgart.edu
Name Server: dns-auth3.uni-stuttgart.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-28T16:27:10Z

isprs.org server information

Servers Location

isprs.org desktop page speed rank

Last tested: 2019-01-05

Desktop Speed Bad

49/100

isprs.org Desktop Speed Test Quick Summary

priority - 67Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 657.9KiB (86% reduction).

Compressing http://isprs.org/ could save 492.5KiB (90% reduction).
Compressing http://www.isprs.org/js/highslide-with-gallery.js could save 54KiB (72% reduction).
Compressing http://isprs.org/css/isprs.css could save 41.8KiB (83% reduction).
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priority - 14Optimize images

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priority - 13Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://isprs.org/TreeLineImages/minus.gif (expiration not specified)
http://isprs.org/TreeLineImages/noexpand.gif (expiration not specified)
http://isprs.org/TreeLineImages/plus.gif (expiration not specified)
http://isprs.org/css/graphics/loader.white.gif (expiration not specified)
http://isprs.org/css/highslide.css (expiration not specified)
http://isprs.org/css/isprs.css (expiration not specified)
http://isprs.org/images/ISC_logo.png (expiration not specified)
http://isprs.org/images/bg3.gif (expiration not specified)
http://isprs.org/images/dashed_line.gif (expiration not specified)
http://isprs.org/images/isprs4.jpg (expiration not specified)
http://isprs.org/images/isprs_logo.gif (expiration not specified)
http://isprs.org/images/menu-bar.jpg (expiration not specified)
http://isprs.org/images/tif.jpg (expiration not specified)
http://isprs.org/members/logos/40122s.png (expiration not specified)
http://isprs.org/news/announcements/img/180904-IJGI-2019_Travel_Award.jpg (expiration not specified)
http://isprs.org/news/announcements/img/isprs.jpg (expiration not specified)
http://isprs.org/news/announcements/img/nature.jpg (expiration not specified)
http://www.isprs.org/images/eJournal.png (expiration not specified)
http://www.isprs.org/images/homeicon.gif (expiration not specified)
http://www.isprs.org/images/journal.jpg (expiration not specified)
http://www.isprs.org/images/mailtoicon.gif (expiration not specified)
http://www.isprs.org/images/searchicon.gif (expiration not specified)
http://www.isprs.org/images/separator.gif (expiration not specified)
http://www.isprs.org/images/siteicon.gif (expiration not specified)
http://www.isprs.org/js/highslide-with-gallery.js (expiration not specified)
http://www.isprs.org/news/newsletter/icon.png (expiration not specified)

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.isprs.org/js/highslide-with-gallery.js
http://isprs.org/WebResource.axd?d=jvINDD5R1CgMvOD…1&t=636776761224055265
http://isprs.org/WebResource.axd?d=vX_UFL2Mo2BtJ-T…1&t=636776761224055265
http://isprs.org/WebResource.axd?d=fgbBAonU8BP0MVw…1&t=636776761224055265

Optimize CSS Delivery of the following:

http://isprs.org/css/isprs.css
http://isprs.org/css/highslide.css

priority - 4Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

156.8KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

Only about 6% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

Click to see the screenshot with 2 round trips:

priority - 4Minify JavaScript

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Minify JavaScript for the following resources to reduce their size by 38KiB (28% reduction).

Minifying http://www.isprs.org/js/highslide-with-gallery.js could save 17.4KiB (24% reduction).
Minifying http://isprs.org/WebResource.axd?d=vX_UFL2Mo2BtJ-T…1&t=636776761224055265 could save 10.7KiB (34% reduction).
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priority - 2Minify CSS

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Minify CSS for the following resources to reduce their size by 20.1KiB (29% reduction).

Minifying http://isprs.org/css/isprs.css could save 14.8KiB (30% reduction).
Minifying http://isprs.org/css/highslide.css could save 5.3KiB (26% reduction).

isprs.org Desktop Resource Breakdown

Total Resources	36
Number of Hosts	2
Static Resources	33
JavaScript Resources	4
CSS Resources	2

isprs.org mobile page speed rank

Last tested: 2019-01-05

Mobile Speed Bad

44/100

isprs.org Mobile Speed Test Quick Summary

priority - 56Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 544.9KiB (89% reduction).

Compressing http://isprs.org/ could save 492.5KiB (90% reduction).
Compressing http://isprs.org/WebResource.axd?d=vX_UFL2Mo2BtJ-T…1&t=636776761224055265 could save 27.2KiB (83% reduction).
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priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

http://isprs.org/css/isprs.css
http://isprs.org/css/highslide.css

priority - 20Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://isprs.org/TreeLineImages/minus.gif (expiration not specified)
http://isprs.org/TreeLineImages/noexpand.gif (expiration not specified)
http://isprs.org/TreeLineImages/plus.gif (expiration not specified)
http://isprs.org/css/graphics/loader.white.gif (expiration not specified)
http://isprs.org/css/highslide.css (expiration not specified)
http://isprs.org/css/isprs.css (expiration not specified)
http://isprs.org/images/ISC_logo.png (expiration not specified)
http://isprs.org/images/bg3.gif (expiration not specified)
http://isprs.org/images/dashed_line.gif (expiration not specified)
http://isprs.org/images/isprs4.jpg (expiration not specified)
http://isprs.org/images/isprs_logo.gif (expiration not specified)
http://isprs.org/images/menu-bar.jpg (expiration not specified)
http://isprs.org/images/tif.jpg (expiration not specified)
http://isprs.org/members/logos/40052s.png (expiration not specified)
http://isprs.org/news/announcements/img/180904-IJGI-2019_Travel_Award.jpg (expiration not specified)
http://isprs.org/news/announcements/img/isprs.jpg (expiration not specified)
http://isprs.org/news/announcements/img/nature.jpg (expiration not specified)
http://www.isprs.org/images/eJournal.png (expiration not specified)
http://www.isprs.org/images/homeicon.gif (expiration not specified)
http://www.isprs.org/images/journal.jpg (expiration not specified)
http://www.isprs.org/images/mailtoicon.gif (expiration not specified)
http://www.isprs.org/images/searchicon.gif (expiration not specified)
http://www.isprs.org/images/separator.gif (expiration not specified)
http://www.isprs.org/images/siteicon.gif (expiration not specified)
http://www.isprs.org/js/highslide-with-gallery.js (expiration not specified)
http://www.isprs.org/news/newsletter/icon.png (expiration not specified)

priority - 16Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

156.8KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

Only about 6% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.

Click to see the screenshot with 2 round trips:

priority - 13Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 128.1KiB (60% reduction).

Compressing http://www.isprs.org/images/journal.jpg could save 43.8KiB (82% reduction).
Compressing http://isprs.org/images/tif.jpg could save 26.5KiB (84% reduction).
Compressing http://isprs.org/news/announcements/img/isprs.jpg could save 16.3KiB (90% reduction).
Compressing http://isprs.org/images/isprs4.jpg could save 11KiB (25% reduction).
Compressing http://isprs.org/images/menu-bar.jpg could save 10.2KiB (97% reduction).
Compressing http://isprs.org/news/announcements/img/nature.jpg could save 7.4KiB (66% reduction).
Compressing http://www.isprs.org/images/eJournal.png could save 3.8KiB (36% reduction).
Compressing http://isprs.org/members/logos/40052s.png could save 3.3KiB (50% reduction).
Compressing http://www.isprs.org/news/newsletter/icon.png could save 1.9KiB (13% reduction).
Compressing http://isprs.org/images/ISC_logo.png could save 1.1KiB (16% reduction).
Compressing http://isprs.org/TreeLineImages/minus.gif could save 766B (87% reduction).
Compressing http://isprs.org/TreeLineImages/noexpand.gif could save 760B (90% reduction).
Compressing http://isprs.org/TreeLineImages/plus.gif could save 758B (86% reduction).
Compressing http://isprs.org/images/bg3.gif could save 756B (88% reduction).

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 24.4KiB (29% reduction).

Minifying http://isprs.org/WebResource.axd?d=vX_UFL2Mo2BtJ-T…1&t=636776761224055265 could save 10.7KiB (34% reduction).
Minifying http://isprs.org/WebResource.axd?d=jvINDD5R1CgMvOD…1&t=636776761224055265 could save 6.8KiB (31% reduction).
Minifying http://www.isprs.org/js/highslide-with-gallery.js could save 3.8KiB (19% reduction) after compression.
Minifying http://isprs.org/WebResource.axd?d=fgbBAonU8BP0MVw…1&t=636776761224055265 could save 3KiB (33% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 3.3KiB (28% reduction).

Minifying http://isprs.org/css/isprs.css could save 2.6KiB (31% reduction) after compression.
Minifying http://isprs.org/css/highslide.css could save 807B (23% reduction) after compression.

isprs.org Mobile Resource Breakdown

Total Resources	36
Number of Hosts	2
Static Resources	33
JavaScript Resources	4
CSS Resources	2

isprs.org mobile page usability

Last tested: 2019-01-05

Mobile Usability Bad

62/100

isprs.org Mobile Usability Test Quick Summary

priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

Login renders only 5 pixels tall (12 CSS pixels).

ISPRS Foundation and 3 others render only 5 pixels tall (13 CSS pixels).

January 05, 2019 and 3 others render only 4 pixels tall (11 CSS pixels).

Home renders only 5 pixels tall (12 CSS pixels).

Publications and 8 others render only 5 pixels tall (12 CSS pixels).

Student Consortium and 15 others render only 5 pixels tall (12 CSS pixels).

Home renders only 5 pixels tall (12 CSS pixels).

ISPRS Sustaining Members and 2 others render only 4 pixels tall (11 CSS pixels).

ISPRS is a mem…cience Council and 2 others render only 4 pixels tall (11 CSS pixels).

Société Intern…Télédétection and 1 others render only 6 pixels tall (16 CSS pixels).

International…Remote Sensing renders only 5 pixels tall (13 CSS pixels).

ISPRS Scientif…f 2019 Funding and 6 others render only 5 pixels tall (13 CSS pixels).

By Songnian Li…SPRS Treasurer and 1 others render only 4 pixels tall (11 CSS pixels).

In accordance…Swiss Francs. and 18 others render only 5 pixels tall (13 CSS pixels).

» Read more details and 1 others render only 4 pixels tall (11 CSS pixels).

December 18, 2018 and 3 others render only 4 pixels tall (11 CSS pixels).

http://www2.is…ructuring.html and 13 others render only 5 pixels tall (13 CSS pixels).

GCRF Water Sec…ations Manager and 6 others render only 5 pixels tall (13 CSS pixels).

ISPRS Internat…eo-Information and 7 others render only 5 pixels tall (13 CSS pixels).

See more Job Opportunities and 2 others render only 4 pixels tall (11 CSS pixels).

ISPRS Job Oppo…ast Added Jobs and 1 others render only 6 pixels tall (16 CSS pixels).

(Problems and/…, send e-mail: and 3 others render only 4 pixels tall (11 CSS pixels).
Privacy Notice and 1 others render only 4 pixels tall (11 CSS pixels).

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 8Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/links/Default.aspx" class="ctl00_HorMenu_…enu_MainMenu_3">Links</a> is close to 2 other tap targets.

The tap target <a id="ctl00_TreeView1n0" href="javascript:Tre…eView1n0Nodes)"></a> and 9 others are close to other tap targets.

The tap target <a id="ctl00_TreeView1t0" href="/sitemap.aspx" class="ctl00_TreeView…00_TreeView1_3">Table of Contents</a> and 15 others are close to other tap targets.

The tap target <a id="ctl00_TreeView1t1" href="/Default.aspx" class="ctl00_TreeView…0_TreeView1_21">Home</a> is close to 4 other tap targets.

The tap target <a id="ctl00_StmLink" href="members/sustaining.aspx">ISPRS Sustaining Members</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.isp…nice.com/index">Nice Congress 2020</a> and 11 others are close to other tap targets.

The tap target <a href="http://www.isp…cy_notice.aspx" class="whitelink">Privacy Notice</a> is close to 1 other tap targets.

priority - 6Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <a href="http://www.isp…rg/search.aspx" class="blacklink">Search</a> falls outside the viewport.
The element <div id="isprs_header"></div> falls outside the viewport.
The element <div id="menu-bar">Home…News</div> falls outside the viewport.
The element <div></div> falls outside the viewport.
The element <div></div> falls outside the viewport.
The element <p>Nice Congress 2020</p> falls outside the viewport.
The element <p>Geospatial Week 2019</p> falls outside the viewport.
The element <p>Midterm Symposia 2018</p> falls outside the viewport.
The element <p>Biennial Report 2016-17</p> falls outside the viewport.
The element <p>ISPRS Benchmarks</p> falls outside the viewport.
The element <p>ISPRS SC Newsletter</p> falls outside the viewport.
The element <p></p> falls outside the viewport.
The element <p></p> falls outside the viewport.
The element <p>ISPRS eBulletin</p> falls outside the viewport.
The element <p>Centenary</p> falls outside the viewport.
The element <p>ISPRS Profile</p> falls outside the viewport.
The element <p>ISPRS Video</p> falls outside the viewport.
The element <p>ISPRS Mailing List</p> falls outside the viewport.
The element <p>History</p> falls outside the viewport.
The element <p>Find us on Google+</p> falls outside the viewport.
The element <div id="footer">↑ Top ❘…Privacy Notice</div> falls outside the viewport.

isprs.org HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 109
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html..."

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 4 Column: 1 - 74
"..."> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <titl..."

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Line: 4 Column: 1 - 74
"..."> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <titl..."

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isprs.org Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

isprs.org TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

ISPRS.ORG Website Information

isprs.org Website Information

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isprs.org Alexa Rank

isprs.org whois

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isprs.org desktop page speed rank

isprs.org Desktop Speed Test Quick Summary

priority - 67Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 657.9KiB (86% reduction).

priority - 14Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 132.8KiB (62% reduction).

priority - 13Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 10Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

156.8KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

priority - 4Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 38KiB (28% reduction).

priority - 2Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 20.1KiB (29% reduction).

isprs.org Desktop Resource Breakdown

isprs.org mobile page speed rank

isprs.org Mobile Speed Test Quick Summary

priority - 56Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 544.9KiB (89% reduction).

priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 4 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 20Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 16Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

156.8KiB of the HTML response was required to render the above-the-fold content. This requires 4 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.

priority - 13Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 128.1KiB (60% reduction).

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 24.4KiB (29% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 3.3KiB (28% reduction).

isprs.org Mobile Resource Breakdown

isprs.org mobile page usability

isprs.org Mobile Usability Test Quick Summary

priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 8Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

priority - 6Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 1,000 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

isprs.org HTML validation

Errors

Obsolete doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

isprs.org similar domains

isprs.org Ping

isprs.org TRACEROUTE