Page-Speed normally refers to the time it takes for a web-page to be presented to a browser in a "fully loaded" state.

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2
votes
1answer
118 views

How do I setup origin domain for Google PageSpeed Service?

I have a WordPress site with cPanel (WHM) with VPS. Today I configured Google PageSpeed Service for my WordPress site. After I submitted my WWW domain, PSS automatically added my naked domain (without ...
3
votes
1answer
115 views

What's the threshold for creating data URI in css?

I'm interested in benchmarking, or best practices. I have 10 icons on my website. They are all background:url(…) no-repeat;. Assuming sprites are not the answer (for any god given reason) how big or ...
4
votes
1answer
1k views

Effect on SEO of lazy scrolling on HTML comments

I am thinking about using a JS script that lazy loads HTML when scrolling ( http://ivorycity.com/blog/2011/04/19/jquery-lazy-loader-load-html-and-images-on-scroll/). I am not too sure about whether ...
1
vote
0answers
19 views

Website is becoming slower until deleting cookies [closed]

My website (based on Prestashop) has honest performances. Even using online testing tools. But navigation is becoming slower over days, only for returning visitors. The website is becoming slow for ...
2
votes
2answers
44 views

Pagespeed rating vs server speed from a SEO perspective

What's more important for my website, from a SEO perspective? I first had a page load time from around 900ms and a google rating from about 70. Using some plugins I managed to get the rating up to ...
2
votes
1answer
453 views

Page load speeds effect on crawl rate

We've noticed a big drop in the total pages crawled per day on our site, we have no control over the crawl rate in Google Webmaster Tools so it's possible this has been changed by Google. However ...
0
votes
3answers
256 views

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

When you seek speed score in Google Page Insight, you may be seen a warning like "Eliminate render-blocking JavaScript and CSS in above-the-fold content ", i have been looking for a solution to fix ...
0
votes
2answers
64 views

Improve load speed of web page with many images [duplicate]

I own an ecommerce website built with Magento that has many images in the homepage for promotional banners. What is the best way to improve load speed? Reducing the file size sacrifice quality, so is ...
2
votes
1answer
57 views

Will asynchronous JavaScript affect SEO?

As page load time affects SEO ranking. In my site I am having some asynchronous JavaScript like AddThis, Google Translator which makes my page load time longer. I want to know whether is there any ...
2
votes
2answers
88 views

Does SPDY benefit SEO rankings?

Google have stated that speed is a ranking factor: https://www.mattcutts.com/blog/site-speed/ Does implementing SPDY have any consequence for SEO?
5
votes
5answers
265 views

Speeding up website“speed”?

We use Google Analytics to measure traffic on one of our websites (who doesn't?). One of the thing that strikes us is the "page speed" tab. It shows that our website takes on average 5.69 seconds to ...
55
votes
9answers
25k views

How can I simulate a slow connection for page load?

I have a fast server, and a reasonably fast home Internet connection. How can I simulate my page loading on a slow connection?
1
vote
1answer
71 views

When a mod_rewrite redirect is in place, do absent <img>s still cost more server time than present <img>s?

I have a series of webpages in which the <html> refers to: <img src="img1.png" [...] /> <img src="img2.png" [...] /> <img src="img3.png" [...] /> After I realised that ...
1
vote
1answer
295 views

Can .htaccess be used to cache AdSense JavaScript to improve the pagespeed score?

I'm AdSense publisher and I need to improve the page speed score for my site. It already gets 90/100 for speed and 100/100 for User Experience, however Google AdSense code is preventing it from ...
2
votes
2answers
645 views

What is the screen size used by Google's PageSpeed Insights for mobile previews?

Google's PageSpeed Insights allows one to check a website's speed issues for both desktop and smartphone devices. I have some media query CSS for smartphones on my website, but I am unsure about ...
1
vote
1answer
58 views

Why does PageSpeed differ in developer tools, website and Analytics

I just tried Google PageSpeed Analysis in the developer tools, Google Analytics and the website itself (https://developers.google.com/speed/pagespeed/insights). Now, in each of them I get differing ...
1
vote
0answers
97 views

ExpiresByType not working for PNG images when set in .htaccess for a WordPress site

In my website I have the expires headers settings reported below. When I use Google's PageSpeed Insights test I get the message: XYZ.png expire headers not set, which I'm getting for all the PNG files ...
8
votes
1answer
1k views

Is gzip compression available for GitHub pages?

I'm using GitHub pages to host my site. While checking Google PageSpeed Insights, it recommends that I enable gzip compression. Since I have a static site hosted on GitHub, I'm not sure that is ...
3
votes
4answers
977 views

Long 'Wait' Time for three php/CSS files. Is something blocking them?

I have been speed optimizing a Wordpress site to little effect. There are three files CSS-related php files from the Wordpress theme that are delaying page loads on the site. One of the three files ...
3
votes
1answer
179 views

What if one certain page is much slower than the rest of your website?

I have a very fast website, but there is one overview page that queries a lot and takes 16 to 17 seconds to load. Will this have an impact on my SEO?
1
vote
0answers
71 views

Google PageSpeed: Generating critical css for css file served from CDN

We were trying to optimise the website using google pagespeed and now having some issue: We're using nginx_pagespeed module Trying to enable the prioritize_critical_css filter Since the CSS files ...
1
vote
3answers
128 views

InstantClick effect on SEO?

InstantClick.io is a pretty awesome JS library that makes a website feel a lot faster (in most cases) by prefetching links when a user is hovering above them. This will cut off at least about 100ms ...
1
vote
2answers
158 views

Background Image Loading Optimization for SEO

I am implementing a product image slider for an ecommerce website. I want to make sure that the page is nice and fast for SEO purposes (as site speed is a factor in ranking). I'm not sure if it ...
4
votes
2answers
163 views

Mobile Browsers! Do they ignore `<noscript><img>` (Responsive Design with Framework Zurb Foundation (Interchange/Noscript))

Experimenting with Interchange Responsive Images I'm experimenting with Interchange by Zurb Foundation to serve various images versions to different devices. For example 200x100 for mobiles, 300x100 ...
5
votes
3answers
2k views

Specifying image dimensions to improve browser performance

I recently ran an audit on my web site using Google Developer Tools. My images are all the same size (500 horizontal by 300 vertical pixels) so I thought it would be better if I left out the image ...
1
vote
2answers
60 views

Joining and compressing all javascript files together - good idea?

Curently, I avoid loading any unnecesary scripts on individual pages of my site. I have a class that remembers all javascript files that were requested during PHP processing and adds them to HTML. I ...
1
vote
1answer
168 views

Google PageSpeed, optimizing Google's own elements

I'm trying Google's PageSpeed online service Ironically, it's primarily highlighting Google's own services as something that needs improvement on my site 1) jQuery from Google: blocking. So I moved ...
0
votes
2answers
308 views

mod_pagespeed not compressing images

mod_pagespeed is not compressing images on my homepage. My current config has: AddOutputFilterByType MOD_PAGESPEED_OUTPUT_FILTER text/html What is the usual setting people use for mod_pagespeed ...
5
votes
3answers
647 views

Best practices when loading images for improving page loading speed

I am working on optimizing a page's loading speed. Here are some analytics: Notice how the images, although only accounting for 65% of the total size (1.1MB), are by far the slowest loading ...
1
vote
2answers
91 views

Does the JavaScript that Google Analytics Experiments adds slow down alternate versions, and how could I measure this?

I am using Content Experiments in Google Analytics to test three different landing pages. This uses JavaScript on the initial page to load the alternates. Would the additional JavaScript add to the ...
11
votes
3answers
6k views

How can I replicate Google Page Speed's lossless image compression as part of my workflow?

I love that Google's Page Speed is able to losslessly compress a lot of my images, but I'd love to make it part of my workflow, prior to uploading a site and making it live. Is there anything I can ...
3
votes
1answer
170 views

page load wait time on my machine is 55ms but on test websites like pingdom.com it is 1.5 seconds, why would this happen?

When I analyze the website's page load speed in Chrome I can see the wait time (where the return response files of the sever are being generated) is 55ms and total page load time is 1 second or much ...
2
votes
6answers
100 views

Regarding improving site performance

I have an e-commerce website and have close to 9000 products in it with each product having 3 pictures at least. Now my site is loading at an average speed but I want to improve it, as I will be ...
1
vote
0answers
11 views

How to combine GZip + CDN for faster page loads? [duplicate]

I made a Speed Test on my site via online tool. The tool recommended enabling compression to speed up the site. As far as I understand this requires some changes on server (already done by hosting ...
1
vote
2answers
635 views

Google Pagespeed not recognizing minify, cache leveraging, etc

Recently, my sites score completely dropped in site optimization/speed in the Google Adsense rating system. When using Google PageSpeed Insights it tells me quite a few things. One being to leverage ...
1
vote
1answer
37 views

What kind of increase can I expect from improving site speed

I have a pretty slow site. This is what WMT measured: Now I know speed is a factor in SEO, but considering it is very difficult to make the site faster, I'm trying to evaluate the ROI of this effort. ...
4
votes
5answers
947 views

How to test the speed of a page that is guarded behind login page?

For public page, I can use pingdom.com to calculate the response time/uptime of a page over a certain period of time. However, pingdom cannot time the response time of a webpage guarded behind a ...
0
votes
1answer
48 views

Is my website is too slow? [closed]

I checked the speed of my website with http://tools.pingdom.com/ . Results: Per. Grade = 85/100 Req.s = 18 Load Time = 1.94s Page Size= 96kb Is this result is good for my website(also consider ...
1
vote
2answers
148 views

Google Page Speed's “above the fold” CSS tuning

Putting all 15kb CSS file inline on 100 pages of the site is not smart I think. How do I pick which CSS classes and IDs from CSS file to put inline (and leave other ones on external CSS file) to a ...
3
votes
1answer
156 views

Site speed: less KB image vs. less HTTP request

I have an interesting problem, I guess... First of all, I want to use sprites, to reduce the HTTP request on my site. That is because I know it's better for SEO and it makes the site faster, most of ...
1
vote
1answer
1k views

How can I get my website to enable gzip compression?

I'm currently trying to increase the speed of my website and I noticed that, when I run it through ismyblogworking.com, I get a message that reads "your blog application doesn't support gzip ...
1
vote
1answer
210 views

How do I use HTML compression in Jimdo WYSIWYG editor?

I have used Jimdo website to build my website. Using Google PageSpeed Insights tell me that I can achieve better page load speed using HTML compression. I wanted to use deflate.js and inflate.js, but ...
1
vote
2answers
2k views

Leverage browser caching for Facebook and Google+ resource files

I tested my website with Google PageSpeed Insights. I did cache optimization in my .htaccess, but it didn't affect resource files that are from Facebook and Google+ Leverage browser caching ...
0
votes
0answers
16 views

How to measure the file download speed in another country [duplicate]

Now I have a dir with about 5000 files (images) in it and I concerned if this amount will significantly slowdown speed of page load with this images. I'd like to test the load speed of an image from ...
1
vote
2answers
601 views

Why does Google PageSpeed Insights show a lower score for my website when using a CDN?

I'm trying to improve my site's PageSpeed. So far so good, I received score of 91 points for mobile and 97 points for desktops using Google PageSpeed Insights. However, when I add a CDN service for ...
0
votes
1answer
131 views

Avg Page Load Time on Google Analytics

For a particular day, Site Speed Page Timings in Google Analytic is 23.77 Secs. I selected that particular day and used Day mode to see timing hourly. There when I Added City as 2nd filter then I saw ...
3
votes
1answer
212 views

Why SPDY-enabled pages are not loading faster?

I've just enabled the SPDY module on nginx, as explanained on the SPDY module site. I expected a speed enhacement on my site, but I haven't noticed it. Using Firefox 25 and Firebug, I tried to take a ...
1
vote
1answer
794 views

What could be causing this long waiting time on page load?

What could be causing a 1.18s wait time when my page loads? Just to make sure I did not have any conflicting or parallel scripts loading, I completely deleted all the script on my home page and ran ...
3
votes
1answer
368 views

Google crawlers screen size

Imagine a I have two types of images (A and AAA(heavier)) for the same website: depending on the size of the screen it will show one image or other. Now I'm wondering what images (A or AAA) loads ...
11
votes
1answer
15k views

Character set not specified in HTTP headers error

When testing this page with Page Speed, I get the a Specify a character set error: The following resources have no character set specified in their HTTP headers. Specifying a character set in HTTP ...