mestrelab.com Website Information

Daily Unique Visits: 2,161

Daily Page Views: 6,483

Income Per Day: $19

Estimated Value: $6,840

mestrelab.com is registered under .COM top-level domain. Please check other sites in .COM zone.

No name server records were found.

and is probably hosted by DinaHosting S.L.. See the full list of other websites hosted by DinaHosting S.L..

The highest website mestrelab.com position in Alexa rank database was 33403 and the lowest rank position was 996138. Current position of mestrelab.com in Alexa rank database is 497759.

Desktop speed score of mestrelab.com (23/100) is better than the results of 5.21% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of mestrelab.com (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.

Mobile speed score of mestrelab.com (22/100) is better than the results of 5.33% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

mestrelab.com 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.

mestrelab.com 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: MESTRELAB.COM
Registry Domain ID: 135590284_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dinahosting.com
Registrar URL: http://www.dinahosting.com/dominios
Updated Date: 2021-11-15T06:25:02Z
Creation Date: 2004-11-22T12:10:04Z
Registry Expiry Date: 2022-11-22T12:10:04Z
Registrar: Dinahosting s.l.
Registrar IANA ID: 1262
Registrar Abuse Contact Email: abuse-domains@dinahosting.com
Registrar Abuse Contact Phone: +34.981040200
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS.GESTIONDECUENTA.COM
Name Server: NS2.GESTIONDECUENTA.COM
Name Server: NS3.GESTIONDECUENTA.COM
Name Server: NS4.GESTIONDECUENTA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-12-10T07:27:06Z

mestrelab.com server information

Servers Location

mestrelab.com desktop page speed rank

Last tested: 2019-06-21

Desktop Speed Bad

23/100

mestrelab.com Desktop Speed Test Quick Summary

priority - 275Optimize images

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

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priority - 21Enable compression

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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 12 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://mestrelab.com/wp-content/cache/minify/df983.js
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https://maps.google.com/maps/api/js?key=AIzaSyDoHZ…&language=en&ver=5.2.2
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Optimize CSS Delivery of the following:

https://mestrelab.com/wp-content/cache/minify/9fb56.css
https://mestrelab.com/wp-content/cache/minify/b75d3.css
https://fonts.googleapis.com/css?family=Titillium+…800italic%7C&ver=5.2.2
https://mestrelab.com/wp-content/cache/minify/5be7f.css
https://mestrelab.com/wp-content/themes/porto/style.css
https://fonts.googleapis.com/css?family=Titillium+Web%3A400
https://mestrelab.com/wp-content/cache/minify/5ad7b.css

priority - 3Leverage 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:

https://www.tfaforms.com/js/iframe_message_helper_internal.js (expiration not specified)
https://www.tfaforms.com/uploads/themes/theme-53126.css (expiration not specified)
https://www.google.com/recaptcha/api.js?onload=gCa…llback&render=explicit (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js?hl=en&v=v1560753160450 (5 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-5TLNKV8 (15 minutes)
https://maps.google.com/maps/api/js?key=AIzaSyDoHZ…&language=en&ver=5.2.2 (30 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 2Prioritize 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.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 64% of the final above-the-fold content could be rendered with the full HTML response.

Click to see the screenshot with only the HTML response:

priority - 1Minify 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 11.4KiB (47% reduction).

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priority - 1Minify 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 10.4KiB (36% reduction).

Minifying https://www.tfaforms.com/dist/form-builder/5.0.0/wforms-layout.css?v=545 could save 9.8KiB (35% reduction).
Minifying https://mestrelab.com/wp-content/themes/porto/style.css could save 431B (92% reduction) after compression.
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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 775B (11% reduction).

Minifying https://tfaforms.com/4619200 could save 775B (11% reduction) after compression.

mestrelab.com Desktop Resource Breakdown

Total Resources	96
Number of Hosts	12
Static Resources	74
JavaScript Resources	27
CSS Resources	12

mestrelab.com mobile page speed rank

Last tested: 2019-07-01

Mobile Speed Bad

22/100

mestrelab.com Mobile Speed Test Quick Summary

priority - 280Optimize images

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

Optimize the following images to reduce their size by 2.7MiB (74% reduction).

Compressing https://mestrelab.com/wp-content/uploads/2019/06/I…ombos-Suite-Expert.jpg could save 789KiB (95% reduction).
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Compressing https://mestrelab.com/wp-content/uploads/2019/04/logo-mbook.png could save 502B (23% reduction).

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 5Leverage 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:

https://www.tfaforms.com/js/iframe_message_helper_internal.js (expiration not specified)
https://www.tfaforms.com/uploads/themes/theme-53126.css (expiration not specified)
https://www.google.com/recaptcha/api.js?onload=gCa…llback&render=explicit (5 minutes)
https://www.google.com/recaptcha/api2/webworker.js?hl=en&v=v1561357937155 (5 minutes)
https://www.googletagmanager.com/gtm.js?id=GTM-5TLNKV8 (15 minutes)
https://maps.google.com/maps/api/js?key=AIzaSyDoHZ…&language=en&ver=5.2.2 (30 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

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 3.6KiB (48% reduction).

Minifying https://www.tfaforms.com/dist/form-builder/5.0.0/wforms-layout.css?v=546 could save 3.2KiB (45% reduction) after compression.
Minifying https://mestrelab.com/wp-content/themes/porto/style.css could save 431B (92% reduction) after compression.

priority - 0Minify 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 3.3KiB (43% reduction).

Minifying https://www.tfaforms.com/js/iframe_message_helper_internal.js could save 3.1KiB (54% reduction) after compression.
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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 783B (11% reduction).

Minifying https://tfaforms.com/4619200 could save 783B (11% reduction) after compression.

mestrelab.com Mobile Resource Breakdown

Total Resources	108
Number of Hosts	12
Static Resources	89
JavaScript Resources	27
CSS Resources	12

mestrelab.com mobile page usability

Last tested: 2019-07-01

Mobile Usability Good

96/100

mestrelab.com Mobile Usability Test Quick Summary

priority - 3Size 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 427 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <div class="vc_row wpb_row…_1553156636015">EVENTS 14 Jul…demic Licenses</div> falls outside the viewport.
The element <div class="wpb_column vc_…r vc_col-sm-12">A shared inter…Spectroscopies</div> falls outside the viewport.
The element <div class="wpb_column vc_…r vc_col-sm-12"></div> falls outside the viewport.
The element <div class="vc_row wpb_row…_1481278614453">COMBOS Suite B…sts.Learn more</div> falls outside the viewport.
The element <div class="wpb_column vc_…0 vc_col-xs-12">Academic, Gove…mers. SEE MORE</div> falls outside the viewport.
The element <div class="customer-colum…0 vc_col-xs-12">10 out of 10 t…c institutions</div> falls outside the viewport.
The element <div class="customer-colum…0 vc_col-xs-12">More than 500…nment agencies</div> falls outside the viewport.

priority - 0Size 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 <p id="slide-5193-layer-1" class="tp-caption t…e-slider-title">NEW Mnova 14!…nalytical data</p> is close to 3 other tap targets.

The tap target <p id="slide-5193-layer-1" class="tp-caption t…e-slider-title">NEW Mnova 14!…nalytical data</p> and 1 others are close to other tap targets.

The tap target <p id="slide-5193-layer-1" class="tp-caption t…e-slider-title">NEW Mnova 14!…nalytical data</p> and 3 others are close to other tap targets.

The tap target <a href="https://resour…w-in-mnova-14/">What’s new in Mnova 14</a> and 5 others are close to other tap targets.
The tap target <a href="/terms-and-con…-1d0f3506-7fe3">End User Deskt…ense Agreement</a> and 1 others are close to other tap targets.

The tap target <a id="cookie_action_close_header" class="large cli-plug…_action_button">Accept All Cookies</a> is close to 1 other tap targets.

The tap target <a id="CONSTANT_OPEN_URL" href="/legal-notice" class="cli-plugin-main-link">Read More</a> and 1 others are close to other tap targets.

mestrelab.com HTML validation

Errors

Attribute “rel” not allowed on element “style” at this point.

Line: 14 Column: 208 - 269
"...ns</title><style rel="stylesheet" property="stylesheet" type="text/css">.ms-lo..."

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Line: 53 Column: 118 - 64
"...</script> <link rel='https://api.w.org/' href='http://mestrelab.com/wp-json/' /><link ..."

Stray end tag “span”.

Line: 167 Column: 56 - 62
"...icon"></i></span>QUESTI..."

Bad value “” for attribute “src” on element “iframe”: Must be non-empty.

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Attribute “type” not allowed on element “iframe” at this point.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 174 Column: 1 - 151
"...al-body"> <iframe src='' id='form-header-contact' width='100%' height='700' scrolling='auto' type='text/html' frameborder='0' allowTransparency='true' style='border: 0'></ifra..." Line: 1283 Column: 1 - 81
"...wrapper"> <iframe src="https://tfaforms.com/4619200" width="600px" height="600px" frameborder="0"></ifra..."

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

End tag “br”.

Line: 381 Column: 1 - 5
"...PRODUCTS! </br> </br>..." Line: 382 Column: 1 - 5
"...TS! </br> </br><a hre..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 647 Column: 41 - 169
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_on.png" width="256" height="288"><noscr..." Line: 648 Column: 180 - 83
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_on.png" width="256" height="288"/></nosc..." Line: 652 Column: 44 - 172
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_ms_on.png" width="146" height="160"><noscr..." Line: 653 Column: 183 - 86
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_ms_on.png" width="146" height="160"/></nosc..." Line: 657 Column: 45 - 173
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_nmr_on.png" width="146" height="160"><noscr..." Line: 658 Column: 184 - 87
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_nmr_on.png" width="146" height="160"/></nosc..." Line: 662 Column: 46 - 174
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_nmrp_on.png" width="146" height="160"><noscr..." Line: 663 Column: 185 - 88
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_nmrp_on.png" width="146" height="160"/></nosc..." Line: 667 Column: 46 - 174
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_qnmr_on.png" width="146" height="160"><noscr..." Line: 668 Column: 185 - 88
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_qnmr_on.png" width="146" height="160"/></nosc..." Line: 672 Column: 48 - 176
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_verify_on.png" width="146" height="160"><noscr..." Line: 673 Column: 187 - 90
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_verify_on.png" width="146" height="160"/></nosc..." Line: 677 Column: 44 - 172
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_rm_on.png" width="146" height="160"><noscr..." Line: 678 Column: 183 - 86
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_rm_on.png" width="146" height="160"/></nosc..." Line: 682 Column: 44 - 172
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_db_on.png" width="146" height="160"><noscr..." Line: 683 Column: 183 - 86
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_db_on.png" width="146" height="160"/></nosc..." Line: 687 Column: 45 - 173
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_sma_on.png" width="146" height="160"><noscr..." Line: 688 Column: 184 - 87
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_sma_on.png" width="146" height="160"/></nosc..." Line: 692 Column: 48 - 176
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/mnova_screen_on.png" width="146" height="160"><noscr..." Line: 693 Column: 187 - 90
"...<noscript><img src="/wp-content/themes/porto-child/images/mnova_screen_on.png" width="146" height="160"/></nosc..." Line: 697 Column: 50 - 168
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/uploads/2017/05/mnova_physchem_on.png" width="146" height="160"><noscr..." Line: 698 Column: 179 - 82
"...<noscript><img src="/wp-content/uploads/2017/05/mnova_physchem_on.png" width="146" height="160"/></nosc..." Line: 702 Column: 45 - 165
"...="_blank"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/uploads/2018/02/mnova_iupac_on.png" width="146" height="160"><noscr..." Line: 703 Column: 176 - 79
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"...<noscript><img src="/wp-content/uploads/2018/02/mnova_binding_on.png" width="146" height="160"/></nosc..." Line: 712 Column: 56 - 169
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"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_zurichuniv.png" class="vc_single_image-img"><noscr..." Line: 1132 Column: 200 - 105
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"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_princeton.png" class="vc_single_image-img"><noscr..." Line: 1139 Column: 199 - 104
"...<noscript><img class="vc_single_image-img" src="/wp-content/themes/porto-child/images/customers_logo_princeton.png" /></nosc..." Line: 1143 Column: 54 - 186
"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_harvard.png" class="vc_single_image-img"><noscr..." Line: 1144 Column: 197 - 102
"...<noscript><img class="vc_single_image-img" src="/wp-content/themes/porto-child/images/customers_logo_harvard.png" /></nosc..." Line: 1148 Column: 54 - 193
"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_tokioinstitute.png" class="vc_single_image-img"><noscr..." Line: 1149 Column: 204 - 109
"...<noscript><img class="vc_single_image-img" src="/wp-content/themes/porto-child/images/customers_logo_tokioinstitute.png" /></nosc..." Line: 1158 Column: 54 - 183
"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_icon_indu.png" class="vc_single_image-img"><noscr..." Line: 1159 Column: 194 - 99
"...<noscript><img class="vc_single_image-img" src="/wp-content/themes/porto-child/images/customers_icon_indu.png" /></nosc..." Line: 1169 Column: 54 - 183
"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_basf.png" class="vc_single_image-img"><noscr..." Line: 1170 Column: 194 - 99
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"...der_grey"><img src="http://mestrelab.com/wp-content/plugins/lazy-load/images/1x1.trans.gif" data-lazy-src="/wp-content/themes/porto-child/images/customers_logo_johnsonandjohnsosn.png" class="vc_single_image-img"><noscr..." Line: 1175 Column: 208 - 113
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Bad value “600px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.

Line: 1283 Column: 1 - 81
"...wrapper"> <iframe src="https://tfaforms.com/4619200" width="600px" height="600px" frameborder="0"></ifra..."

Bad value “600px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

Line: 1283 Column: 1 - 81
"...wrapper"> <iframe src="https://tfaforms.com/4619200" width="600px" height="600px" frameborder="0"></ifra..."

Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)

Line: 1418 Column: 104 - 126
"...agram</h3><style type="text/css">#wdi_f..." Line: 1500 Column: 37 - 43
"...div></div><style></styl..."

Attribute “wdi-res” not allowed on element “div” at this point.

Line: 1499 Column: 58 - 20
"...div></div><div class="wdi_feed_wrapper wdi_col_3" wdi-res='wdi_col_3'></div>..."

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 1273 Column: 21 - 22
"..._wrapper"><section class="porto-section"><div c..." Line: 1286 Column: 21 - 22
"..._wrapper"><section class="porto-section"><div c..."

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mestrelab.com 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.

mestrelab.com 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.

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priority - 275Optimize images

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

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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 12 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.

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priority - 3Leverage browser caching

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priority - 1Minify JavaScript

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priority - 1Minify CSS

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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 775B (11% reduction).

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priority - 280Optimize images

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

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priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

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Optimize CSS Delivery of the following:

priority - 5Leverage 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 - 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 3.6KiB (48% reduction).

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

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The page content is 427 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

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mestrelab.com HTML validation

Errors

Attribute “rel” not allowed on element “style” at this point.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Stray end tag “span”.

Bad value “” for attribute “src” on element “iframe”: Must be non-empty.

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Attribute “type” not allowed on element “iframe” at this point.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

End tag “br”.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “600px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.

Bad value “600px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)