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Tag: Performance

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Kaufman445

: "jQuery is not defined" error when using W3 total cache plugin and Cloudflare on WordPress site I'm trying to speedup a site created using Wordpress and Avada theme, and Cloudflare as CDN (no

Chiappetta492

: PageSpeed Optimiztion I'm not sure if this is the right StackExchange, and if not, I apologise. I've been asked to look after a number of WordPress sites running on a WHM/cPanel hosted VPS

RJPawlick198

: Prioritise Visible Content - Google PageSpeed Insights Wondering if anyone can help me. I'm having issues with prioritizing visible content (PVC). I've read all the Google documentation and understand

Gretchen104

: What does "_blocked_queueing" mean in a HAR file I'm extracting some loading time data from a site into a HTTP ARchive format (HAR) file, but I just can't find what "_blocked_queueing" means.

Miguel251

: GoogleBot Crawling and Past Event Performance We have an event site and we noticed GoogleBot crawling our old events, say from five years ago, which also includes Teams within the event, which

Turnbaugh106

: Is there any threshold page load time to get spike in the conversion? I was reading an article here where I found very interesting correlation of conversion rate and page load time. I can't

Murray432

: Optimisation test services allude to 'inline script block #5', what does this mean Optimisation text services like Gmetrix and Pingdom Tools often provide feedback like 'inline script block #5',

Becky754

: If I have too many 301 redirections on magento, will it slow down the server? I'm using magneto and I currently have 70,000 URLs are being redirected as 301 (From Catalog >> URL Redirects).

Sherry384

: How can I encourage the browser to cache the HTML5 poster image? I have a web page with a series of videos embedded on the page: <video controls preload="metadata" poster="/path/to/video1/poster-image-1.jpg">

Heady270

: Performance Issues Using SSL With Cloudflare I have been using Cloudflare for a while without much consideration to what it was doing. Today I have noticed that there is around 500ms of delay

Carla537

: Google Analytics considers Gleam App's loading time as a Page Loading time. I have embedded the Gleam App widget on my client's website. Let me inform about the Gleam app first. The Gleam App

Sent6035632

: What Internet connection speeds are webpage testing sites basing their results on? The loading time of websites can be measured with many popular tools like tools.pingdom.com, Alexa, and more...

Sarah324

: Improve performance of tracking scripts - facebook, linkedin google etc I have Google Tag Manager setup to manage all my third party tracking scripts. These include; LinkedIn, Facebook, Hubspot,

Pierce454

: How to find concurrent number of session per second? As a web-server hosting an application for a client, which is high-volume or transaction server, I am required to find out "number of concurrent

Steve110

: Adding "expires" directive in Nginx conf for assets causes "404 not found" errors I have a live Django site running gunicorn, nginx, supervisord. I am trying to implement the suggestions found

Pierce454

: Slow website by Plesk Have a good quality server with good performance. Till now I don't had this kinde of problem. So,I have installed Plesk panel,four months ago. I develop an ecommerce project

BetL925

: How do I set up a cookie-free subdomain when the website is on the naked domain (no "www")? The website (Wordpress) acts on http://example.com and sets cookies. Will http://static.example.com be

Steve110

: Google Pagespeed asks to eliminate "above the fold" files that are required for the page to render I have run my website into Google Pagespeed and it returned "Eliminate render-blocking JavaScript

Samaraweera270

: Speeding up website My website has poor speed both for desktops and mobile. We are not authorized to minimize images. What is the best option to speed this up? It is in WordPress. We have

Megan663

: Parallelize downloads with one server by using apache People seem to be pushing all of this as a way to sell CDNs, but surely it can be just done with apache. If browsers can only download

Voss4911412

: Slow PHP redirects lead to loss of marketing clicks Ok so we are running liquid web server For some reason we are losing around 70% of all of our clicks that we are tracking on our end

Cody1181609

: Cache-Control not being picked up by performance analysis tools for my website (Amazon CF/S3) So, I have this website that is hosted in Amazon S3/CF and when I run any Performance analysis tool

Murray432

: "Site unreachable" when using asset parallelization with Cloudflare CDN I use WordPress site with CDN (Cloudflare). I want to serve static files(images, js, and css) from a different static cookieless

Deb1703797

: What image compressor Google Pagespeed Insights uses? It's very inefficient to compress all my site's images in Google's preferred compresion by running webpage after webpage in Google GPI, downloading

Eichhorn148

: Placing javascripts at the page's bottom and HTTP/2 Does the placement of javascripts at the bottom of html document still gives any loadtime wins, if the site runs on HTTP/2?

Mendez628

: Google PageSpeed Insights reports that bootstrap.min.css is render blocking I'm trying to achieve an over-90 grade on PageSpeed Insights. My last error comes with bootstrap, Google detects the

Speyer207

: Leverage browser caching - setting short freshness lifetime I have set up expiry dates for my web resources in my .htaccess: <IfModule mod_expires.c> ExpiresActive On # Uncomment to apply to

Moriarity557

: Getting this error for last 3 days "Timeout while fetching the main resource." I am getting "Timeout while fetching the main resource." error for one my site for last 3 days. Check here speed

Jennifer507

: Is it ok to block search engine bots from China and Russia on USA based eCommerce site? After blocking all traffic from China and Russia ( using Incapsula ) on an eCommerce application which

Shanna517

: Will upgrading hosting improve performance of slow WordPress plugins I have built a website for a community in the last year. In the last few days I realised that it has become a very slow

Connie744

: What should I worry about after installing Magento CE I am currently managing a project of Magento CE new build (to replace a Woocommerce) on a UNIX system, provided to me by Digital Ocean.

Radia820

: How to display random demo Google ads for testing To benchmark an application I want to display ads in Google Publisher Tag (GPT) slots, even if they aren't defined on the publisher end yet.

Shelley277

: Would it be beneficial to proxy and cache Google Tag Manager Google Tag Manager's JS file is not "cached" normally and requires an extra connection to another server (i.e. new SSL handshake

Lee4591628

: What technology is making this website so fast? If you look at the console while clicking around this demo website, you'll se the loading times. It's damn fast (I get about 20ms per page from

Barnes591

: What is an acceptable "Time spent downloading a page (in milliseconds)" in Google Search Console? Is there any generally accepted average time for crawling page in Google Webmasters Tools? You

Debbie626

: Will adding background images using JavaScript improve SEO? I've read that Google ranks sites that render faster higher than slower ones. Will it be beneficial to add background images using JavaScript

Barnes591

: Does my hosting provider have an impact on my website loading speed? My website size is around 3.3 MB and takes 7 seconds to load! My hosting provider is some x.com and my nameservers are

Vandalay111

: Does Google's speed test api account for a SPA application? I've yet to find specifics, but does anyone know if google's page speed score account for the fact that your app may be a single

BetL925

: Loading order of assets stack: how is it managed by browser? I have an issue, which i can't explain me - i seem to miss some basics. Could somebody explain me in plain words the browser

Hamaas447

: How to optimize the load time of initial connection and SSL handshake phase of a web page on a 3G network? My website www.example.com(SSL enabled) is hosted on Amazon EC2 shared hosting. It

Sherry384

: Does domain aliasing affect performance or SEO? I have checked my domain in http://ipinfo.info/html/ip_checker.php It is showing the website is having two IPs (Aliasis) like 54.xx.xx.xx & 103.xx.xx.xx.

Heady270

: How to find out javascript functions for above the fold? There are plenty of tools to get css rules for above the fold (critical css path), like this one. But how could one find out, which

Hamaas447

: Google Page Speed Insights is recommending inline styling and complaining about render blocking JS. Are these even relevant? Sometimes, I feel like Google is living in its own bubble. Most of

Fox8124981

: When large dimension images have smaller file size than thumbnails, which version should I display? I have images that are rendered via color map system. The larger images have a smaller file

Berryessa370

: Speed comparison - absolute vs relative path links Let's say I want to link to a parent directory (http://example.com/library/) from a subdirectory (http://example.com/library/html/basics/). The link

Merenda212

: Alexa's toolbar plug-in says my site is "Slow" - How can I fix this? Despite having favorable (90% or higher) metrics from YSlow / GTMetrix / PageSpeed, Alexa claims my site is "Slow - 74%

Heady270

: Separate server for images? Should I be using a separate server for hosting images that are created on a website? For example, my application creates images and currently stores them on the

Hamaas447

: Do AdSense policies allow loading ads in the window load event? The official help does not mention such modification, but people mention this solution at various places on the net, saying they

Angela700

: Is it better for SEO to use margin or padding around images? I'm trying to style the distance of text around images and I've experimented with margin and padding. For testing purposes I tried

Goswami781

: Why does loading of an external "async defer" javascript code happen before page load? Recaptcha recommends loading of its script like this: <script src="https://www.google.com/recaptcha/api.js"

BetL925

: Putting CSS/JS in header for faster load times I've been reading many articles lately about SEO on load times. Trying to get the perfect load time can be quite time-consuming but also a good

Heady270

: Do sites without ads perform better in Google search results? Does Google view sites without advertising as a more reliable source of information and increase the odds of a website returning

Cofer257

: How to understand results of server load reports I have performed a load test on on my website but don't understand if the result are good or bad. Here is the server spec: Server Linux/Ubuntu

Gonzalez347

: Can minifying the HTML of page have a negative effect on SEO? I've been reviewing the speed of a site using Google PageSpeed, and one of the things it told me to do was minify the HTML

Mendez628

: Some animated Adsense ads prevent the rest of the page from functioning I've had this problem for the best part of 3 months now. Since doing a major update in March, some recurring ads make

Karen161

: Why do website speed testers show different page sizes each time I run the test? I'm using tools.pingdom.com for a website page speed tester which returns 4 metrics (Perf score, Requests, Load

Cooney921

: Fastest .htaccess redirect from example.com to www.example.com? Now using the standard cPanel-created Apache .htaccess redirect, but it's taking a full 2 seconds to go from ´example.com´ to ´www.example.com´.

Mendez628

: Blank image. What to use: Base64 vs 1x1 JPEG image I am building a website and I want to make HTTP queries as few as possible for a better website speed and seo. The page I just created

Ann8826881

: What is an appropriate total page size for a homepage, including full-screen background images so that they load fast but don't look blurry? I am in a dilemma. My customer wants to put several

Gonzalez347

: What CDN features are the most important when picking a CDN provider? Price and a number of PoP's surely do matter. But if I was after choosing one CDN provider out of 10 similar ones, what

Kaufman445

: Is a .htaccess rewrite rule a potential performance issue? I use a .htaccess rewrite to redirect: RewriteEngine on RewriteBase / RewriteCond %{REQUEST_URI} !^/redirect-to-this-subfolder/ RewriteCond %{HTTP_HOST}

LarsenBagley505

: Do any important SEO robots (such as search engine crawlers) rely on IP addresses anymore to identify websites? Currently, I have it where anyone who attempts to access my server IP address

Ogunnowo487

: Can images be combined using the clip CSS Property while still maintaining image SEO and semantics? I have two images in my web page. Actually there are 20 but I want to keep things simple:

Correia994

: Why is this mobile/image Googlebot crawl rate so fast? (10-30 req per sec) This morning in logs I noticed a user got rate limited by our throttler 3 times within 1 second (429 too many requests

LarsenBagley505

: Is webpagetest.org unreliable with mobile testing? I'm trying to get accurate results I use webpagetest.org to test my website very often. When I used a couple of remote desktop computers on

Annie201

: Using SetEnvIf to not log overly accessed URLs I'm trying to figure out how to craft my SetEnvIf's in my apache config so that the server hard disk isn't spinning 24/7 over log entries. What

Mendez628

: What might be causing my site's pages to load more slowly in these IIS Rewrite Module rules? I have the following IIS rewrite rules that work exactly as I wish on both my development and

Cugini213

: Which version of my site is preferable for SEO As you can see from the graphs below, the blue version shows content sooner, but the overall page load is slower. Thoughts?

Phylliss660

: Why is my httpd so busy? I have a simple Wordpress site on a VPS that isn't performing well. AWStats says: ~ 500k page views per month: ~ 50-80k unique visitors per month

Gail5422790

: Page speed performing poorly specifically on OS X versions of Chrome. What gives? I'm digging into page speed within my Google Analytics, and saw that I'm having higher than average load times

Ravi8258870

: How can I tell Chrome to use all 6 concurrent connections asap? I would like to improve rendering performance of http://www.camping.info/campinplaetze. Running a test on WebPageTest.org I see in

Annie201

: How do browsers handle multiple font-faces, when their source is the same? I know that using multiple different fonts with font-face has a considerable performance implication if the website is

Sarah324

: Is there a performance difference between background-size:cover and background-size:100% auto? I know what the difference is between background-size: cover and background-size: 100% auto. I'm curious

Deb1703797

: Any way I can fix this cphulk situation? I should probably sue the cpanel guys right about now. The point is, I'm receiving all these strange messages in my logs about cphulk (brute force

Harper822

: Change cpanel log file location Is there a way in some configuration file to specify a new folder to put all the cpanel log files in, or is there a way to specify new log file names for

Angie530

: How to prime cache on all location of a cdn I have just started using MaxCDN to serve static resources faster (images, js and css mostly). It works great, as long as the data is cached

Cugini213

: From which file size is it worth to implement images as Data URI? As the title says: for site speed up sake it is good to implement small images like Data URIs directly into HTML source

Angela700

: What client on webpagetest.org is equivalent to googlebot client? I made various speed tests to my website via webpagetest.org and I used a mobile network in California (which I believe is the

Harper822

: Which does google prefer: chained redirects or longer time-to-first-byte? I'm clearly a webpagetest.org addict now. Once again, I tested my site after optimizing (by eliminating some file scans)

Annie201

: Can a later DocumentRoot directive override an earlier DocumentRoot directive? Because I use cPanel, the WHM developers are trying to restrict my subdomain creation to any folder within my user

Deb1703797

: Can rewriterules work without carets or dollar signs? Currently when I remap my friendly to non-friendly URLs on my website, I normally use lines like these in my .htaccess: RewriteEngine On RewriteCond

Cody1181609

: Does background video affect SEO? Does the extra loading time that a background video has, affect SEO? Or that does not really affect it because the HTML already loaded and the video is just

Debbie626

: Will using Google's PageSpeed module help to speed up a site with Magento? I'm considering installing Google's PageSpeed module on a Debian Linux / Apache 2.4 web server to speed up a Magento

Samaraweera270

: What consumes less resources on the client side, an animation with gif or CSS? What is better for the client side, an animated gif or the same animation done as a sequence of images with

Cugini213

: Javascript page load time calculation returns negative <script type="text/javascript">//<![CDATA[ // jQuery has already been loaded but this could be equivalent to // a function in <body

Harper822

: Streaming Vs Downloading Site Load Speed debate We have a number of sites that use bg video - currently the video file (1.4mb) is loaded from the server and increases page load. My question

Correia994

: How to analyse website performance I've tried searching a lot and basically here is the problem. I have a website but I'm unable to pin point the reasons of why the performance of the website

Goswami781

: Many requests in my logs to the same obscure page from Opera Mini. What can be the explanation? I checked my site's logs and I found 20 thousand requests on the same day all to an obscure

Si4351233

: Tradeoffs around using a query string vs embedding version number in the CSS/JS files I was reading articles and forum posts about using version numbers in CSS/JS files. http://www.stevesouders.com/blog/2008/08/23/revving-fil

Merenda212

: Data center locations for hosting an international website My web site is currently hosted in the US in NYC and SFO data center locations. I'm not too familiar with DNS, but both IP's point

Radia820

: Why are there 2 calls to the root of my site in firebug's Net panel I am trying to diagnose performance problems on a website. The Net panel in Firebug is showing 2 calls to the site root

Jennifer507

: Duplication of menu through javascript or PHP: Which is better for SEO and page performance? I have a site with a typical desktop dropdown menu. For the mobile menu (and on touch devices),

LarsenBagley505

: Forcing website icon to load early in all web browsers My goal is to allow a small keepalive timeout (of about 3 seconds) with a max of about 5 requests, just enough for the page HTML, page

Welton855

: How to know if visitors are experiencing a good performance from the server? Sometimes I visit my wordpress website on godaddy, and looks like the site is slow. But when I refresh it goes

Heady270

: How do i increase speed of my site by reduce time to fetch dns of my website? My website "happyclothing.in" took 5 seconds to load. where it took 2 seconds to fetch the dns . How do i

Annie201

: Speed of prefork+ruid2 with more connections on limited memory Currently I am using Apache in a server with WHM/Cpanel and I'm currently using Prefork MPM with Mod Ruid2 to process PHP pages.

Si4351233

: Performance: 4096 Bit RSA-Key compared to 2048 bit RSA-Key Is there a comparison between 4096 Bit RSA-Key and a 2048 Bit RSA-Key? I'd like to know what impact on performance it has, if I'm

Sherry384

: Does image dimensions outside image tag also slow page loading? I am using height and width for images in css before img tag (css in same page header) so I think there is no need to set

Murphy175

: Best practice how to specifiy the link's destination In my website, I have many files such contact.php, about.html etc. Right now I can call those file in my site by two methods. Method

Frith620

: How to manage the leverage browser caching for third party JS files? Is it possible to set and expiration date for the file http://assets.pinterest.com/js/pinit_main.js? And the other stuff down

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