DAVIDWALSH.NAME David Walsh Blog - JavaScript Consultant

davidwalsh.name Website Information

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Mobile usability score of davidwalsh.name (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of davidwalsh.name (55/100) is better than the results of 43.86% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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davidwalsh.name Alexa Rank

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Registry Domain ID: 134502390_DOMAIN_NAME-VRSN
Domain Name: DAVIDWALSH.NAME
Registrar: Name.com, Inc.
Registrar IANA ID: 625
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited

>>> Last update of whois database: 2021-04-24T22:29:55Z

davidwalsh.name server information

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davidwalsh.name desktop page speed rank

Last tested: 2019-12-02


Desktop Speed Bad
27/100

davidwalsh.name Desktop Speed Test Quick Summary


priority - 251Optimize images

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 5Reduce server response time

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priority - 2Prioritize visible content

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priority - 2Leverage browser caching

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priority - 0Minify HTML

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davidwalsh.name Desktop Resource Breakdown

Total Resources44
Number of Hosts9
Static Resources36
JavaScript Resources12
CSS Resources3

davidwalsh.name mobile page speed rank

Last tested: 2019-12-02


Mobile Speed Bad
55/100

davidwalsh.name Mobile Speed Test Quick Summary


priority - 48Optimize images

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

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://d2zah9y47r7bi2.cloudfront.net/releases/current/tracker.js

Optimize CSS Delivery of the following:

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priority - 7Reduce server response time

In our test, your server responded in 0.70 seconds.

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://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://s3.buysellads.com/ac/bsa.js (60 minutes)
https://s3.buysellads.com/ac/pro.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

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 147B (13% reduction).

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davidwalsh.name Mobile Resource Breakdown

Total Resources44
Number of Hosts9
Static Resources36
JavaScript Resources12
CSS Resources3

davidwalsh.name mobile page usability

Last tested: 2019-12-02


Mobile Usability Good
99/100

davidwalsh.name Mobile Usability Test Quick Summary


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 <a href="/tutorials/features">Popular Features</a> and 1 others are close to other tap targets.

davidwalsh.name HTML validation

Errors

Bad value “text/html;” for attribute “content” on element “meta”: The legacy encoding declaration ended prematurely.

Line: 1 Column: 117 - 169
"..."IE=Edge"><meta http-equiv="content-type" content="text/html;"><meta ..."

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Line: 1 Column: 117 - 169
"..."IE=Edge"><meta http-equiv="content-type" content="text/html;"><meta ..."

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Line: 5 Column: 34 - 141
"... icons --><link rel=apple-touch-icon-precomposed sizes=144x144 href="/wp-content/themes/punky/images/favicon-144.png"><link ..." Line: 5 Column: 142 - 249
"...-144.png"><link rel=apple-touch-icon-precomposed sizes=114x114 href="/wp-content/themes/punky/images/favicon-114.png"><link ..." Line: 5 Column: 250 - 354
"...-114.png"><link rel=apple-touch-icon-precomposed sizes=72x72 href="/wp-content/themes/punky/images/favicon-72.png"><link ..."

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

Line: 28 Column: 1 - 73
"...w.org' /> <link rel='https://api.w.org/' href='https://davidwalsh.name/wp-json/' /> <link..."

Element “img” is missing required attribute “src”.

Line: 33 Column: 240 - 305
"...lass=logo><img data-src="/wp-content/themes/punky/images/logo.png" alt="" /><span>..." Line: 34 Column: 767 - 920
"...ageObject><img data-src="https://davidwalsh.name/demo/cloudinary-video-offering.gif?preview" class=post-image alt="Cloudinary Launches a Complete Video Solution" /></span..." Line: 35 Column: 394 - 501
"...ageObject><img data-src="/demo/mac-terminal-300.png?preview" class=post-image alt="Create a Password Protected ZIP" /></span..." Line: 37 Column: 497 - 640
"...ageObject><img data-src="https://davidwalsh.name/demo/2017-black-friday/1.jpg?preview" class=post-image alt="Excellent Resources for Web Professionals" /></span..." Line: 38 Column: 502 - 601
"...ageObject><img data-src="/demo/git250.png?preview" class=post-image alt="Fix git After High Sierra Upgrade" /></span..." Line: 40 Column: 433 - 551
"...ageObject><img data-src="/demo/mac-terminal-300.png?preview" class=post-image alt="Convert JPG, PNG, and Animated GIF to WEBP" /></span..." Line: 40 Column: 1378 - 1514
"...ageObject><img data-src="https://davidwalsh.name/demo/automator-icon.png?preview" class=post-image alt="Create Context Menu Items in Mac Finder" /></span..." Line: 40 Column: 2376 - 2467
"...ageObject><img data-src="/demo/mac-terminal-300.png?preview" class=post-image alt="How to checksum" /></span..." Line: 40 Column: 3271 - 3387
"...ageObject><img data-src="https://davidwalsh.name/demo/mario-hacks.png?preview" class=post-image alt="Patch Super Dram World" /></span..." Line: 40 Column: 4196 - 4326
"...ageObject><img data-src="https://davidwalsh.name/demo/mac-hidden-files.png?preview" class=post-image alt="Show Hidden Files in Mac Finder" /></span..." Line: 40 Column: 5180 - 5291
"...ageObject><img data-src="https://davidwalsh.name/demo/wii-mii.jpg?preview" class=post-image alt="Play Wii Games on Mac" /></span..." Line: 41 Column: 468 - 657
"...ageObject><img data-src="https://davidwalsh.name/demo/retropie-graphical-guide/retropie-logo.png?preview" class=post-image alt="How to Create a RetroPie on Raspberry Pi &amp;#8211; Graphical Guide" /></span..." Line: 41 Column: 1522 - 1642
"...ageObject><img data-src="https://davidwalsh.name/demo/underdog.jpeg?preview" class=post-image alt="Conquering Impostor Syndrome" /></span..." Line: 41 Column: 2562 - 2670
"...ageObject><img data-src="https://davidwalsh.name/demo/david-jack.jpg?preview" class=post-image alt="Being a Dev Dad" /></span..." Line: 41 Column: 3501 - 3602
"...ageObject><img data-src="/demo/JavaScriptListImage.png?preview" class=post-image alt="JavaScript Promise API" /></span..." Line: 41 Column: 4443 - 4554
"...ageObject><img data-src="/demo/JavaScriptListImage.png?preview" class=post-image alt="7 Essential JavaScript Functions" /></span..." Line: 41 Column: 5481 - 5601
"...ageObject><img data-src="https://davidwalsh.name/demo/WalshTongues.jpg?preview" class=post-image alt="I&amp;#8217;m an Impostor" /></span..." Line: 41 Column: 6401 - 6478
"...ageObject><img data-src="/demo/html5250.png?preview" class=post-image alt="fetch API" /></span..."

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Line: 34 Column: 550 - 556
"...r 29, 2017</time></div>..." Line: 35 Column: 325 - 331
"...r 27, 2017</time></div>..." Line: 37 Column: 428 - 434
"...r 24, 2017</time></div>..." Line: 38 Column: 433 - 439
"...r 22, 2017</time></div>..." Line: 40 Column: 364 - 370
"...r 21, 2017</time></div>..." Line: 40 Column: 1309 - 1315
"...er 9, 2017</time></div>..." Line: 40 Column: 2307 - 2313
"...er 6, 2017</time></div>..." Line: 40 Column: 3202 - 3208
"...r 25, 2017</time></div>..." Line: 40 Column: 4127 - 4133
"...r 24, 2017</time></div>..." Line: 40 Column: 5111 - 5117
"...r 23, 2017</time></div>..." Line: 41 Column: 399 - 405
"...r 21, 2017</time></div>..." Line: 41 Column: 1453 - 1459
"...r 18, 2017</time></div>..." Line: 41 Column: 2493 - 2499
"...e 29, 2016</time></div>..." Line: 41 Column: 3432 - 3438
"...er 2, 2015</time></div>..." Line: 41 Column: 4374 - 4380
"...ne 2, 2015</time></div>..." Line: 41 Column: 5412 - 5418
"...ay 6, 2015</time></div>..." Line: 41 Column: 6332 - 6338
"...l 15, 2015</time></div>..."

Stray end tag “a”.

Line: 34 Column: 1525 - 1528
"...ement: ...</a></code..." Line: 37 Column: 68 - 71
"...is done...</a></code..." Line: 38 Column: 83 - 86
"...e these...</a></code..." Line: 40 Column: 29 - 32
"...I tried...</a></code..." Line: 40 Column: 971 - 974
"....  I've...</a></code..." Line: 40 Column: 1973 - 1976
"... find a...</a></code..." Line: 40 Column: 2864 - 2867
"...ting to...</a></code..." Line: 40 Column: 3788 - 3791
"...ls like...</a></code..." Line: 40 Column: 4771 - 4774
".../a> and...</a></code..." Line: 40 Column: 5679 - 5682
"...i never...</a></code..." Line: 41 Column: 1101 - 1104
"...intendo...</a></code..." Line: 41 Column: 2159 - 2162
"...he post...</a></code..." Line: 41 Column: 3102 - 3105
"...entimes...</a></code..." Line: 41 Column: 4026 - 4029
"...t world...</a></code..." Line: 41 Column: 5078 - 5081
"... should...</a></code..." Line: 41 Column: 6007 - 6010
"...re very...</a></code..." Line: 41 Column: 6869 - 6872
"...fort to...</a></code..."

Stray end tag “code”.

Line: 34 Column: 1529 - 1535
"...t: ...</a></code></p></..." Line: 37 Column: 72 - 78
"...one...</a></code></p></..." Line: 38 Column: 87 - 93
"...ese...</a></code></p></..." Line: 40 Column: 33 - 39
"...ied...</a></code></p></..." Line: 40 Column: 975 - 981
"...'ve...</a></code></p></..." Line: 40 Column: 1977 - 1983
"...d a...</a></code></p></..." Line: 40 Column: 2868 - 2874
"... to...</a></code></p></..." Line: 40 Column: 3792 - 3798
"...ike...</a></code></p></..." Line: 40 Column: 4775 - 4781
"...and...</a></code></p></..." Line: 40 Column: 5683 - 5689
"...ver...</a></code></p></..." Line: 41 Column: 1105 - 1111
"...ndo...</a></code></p></..." Line: 41 Column: 2163 - 2169
"...ost...</a></code></p></..." Line: 41 Column: 3106 - 3112
"...mes...</a></code></p></..." Line: 41 Column: 4030 - 4036
"...rld...</a></code></p></..." Line: 41 Column: 5082 - 5088
"...uld...</a></code></p></..." Line: 41 Column: 6011 - 6017
"...ery...</a></code></p></..." Line: 41 Column: 6873 - 6879
"... to...</a></code></p></..."

Attribute “!important;”” not allowed on element “div” at this point.

Line: 40 Column: 6104 - 6202
"...terciary"><div class=bsa data-bsa="1306951|db3b221ddd8cbba67739ae3837520ffe" style=“height:90px !important;”></div>..."

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 1 Column: 170 - 235
"...xt/html;"><meta name=viewport content="initial-scale=1.0 maximum-scale=1.0"><title..."

Attribute “!important;”” is not serializable as XML 1.0.

Line: 40 Column: 6104 - 6202
"...terciary"><div class=bsa data-bsa="1306951|db3b221ddd8cbba67739ae3837520ffe" style=“height:90px !important;”></div>..."

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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.


davidwalsh.name 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.