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Questions tagged [performance]

The art of tuning a website to deliver it's content quickly and efficiently to the user over a potentially low bandwidth connection.

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1answer
25 views

Would a long article using SVG rendered letters (rather than a font) be performant (usable and scrollable)?

I would like to know if any webpages exist where every single character/glyph is an SVG path, rather than using a font. I look places like here which discusses icon fonts and how they relate to ...
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1answer
32 views

Should I dns-prefetch all Google Ads domains?

On our website, we dns-prefetch our domains (static files, subdomains, etc) as they may not be known. 1) Does it make sense to dns-prefetch Google Ads or Analytics domains as they are popular? 2) If ...
2
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1answer
38 views

How do you serve Jekyll pages with gzip compression on GitLab Pages?

GitLab Pages doesn’t compress files automatically before sending them to clients. Is it possible to enable gzip compression when using Jekyll (or another static site generator) on GitLab Pages?
4
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2answers
71 views

Do Google and others care how much CPU/GPU is used by the web browser to render a webpage?

Let's say that I have a hypothetical webpage: I have an absolutely positioned HTML5 <video> tag that is set to automatically play. It is sized to occupy the entire browser window and ...
2
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1answer
34 views

Server wait period after DNS lookup is way too slow

I'm trying to optimize the speed of my portfolio site as much as possible, which considering its a static website shouldn't take much. I'm using cloudflare to manage my DNS, DigitalOcean's droplet ...
2
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1answer
31 views

Some documents load slowly during stress test, how reliable is NameCheap shared hosting?

I have hosted a NodeJS React application into my NameCheap shared hosting account. My Apache Benchmark giving this output while I am trying to stress test my site: ab -n 100 -c 5 -C "somecookie=rawr" ...
2
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1answer
212 views

Google Search Console says: “Please update your links to point to the new report”

Today when I visited Search Console for my website, I seen this: Important: This report will soon be replaced by the new Performance Report . Please update your links to point to the new report. ...
4
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1answer
330 views

Why pay for a distributed DNS service when ISPs cache lookups?

Suppose I've purchased example.com from my neighbor's startup domain name company, superlowcostdomainnames.com (aka SlowDNS). At first DNS is a bit of a performance drag, because SlowDNSs servers are ...
2
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1answer
43 views

If I change a Wordpress Theme then will it result in Performance and Page Loading Speed Improvements?

My wordpress blog is running on a very advanced, powerful and e-commerce capable theme. The issue is, this theme is packed with hundreds of DOM classes, Javascripts library and multiple CSS files. ...
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0answers
16 views

Do lots of redirection chains affect the site speed?

My client has lots of redirection chains. As I know redirection chains affect SEO link equity. But since they have done the redirections 4 years ago I assume they wont have any effect on SEO anymore. ...
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0answers
25 views

How to determine how much memory 1 million particles in WebGL is using

I would like to know how much memory is being used by a system of 1 million particles in WebGL: I am not really too sure on what to look for in the performance/memory panels in the Chrome devtools / ...
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1answer
28 views

Template or flat file for CMS?

So it looks like most CMS uses templates, like WordPress or ghost or all other CMS uses templates. But we can still see some flat file CMS on the market. So what's the difference between them? Is ...
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0answers
25 views

My WordPress site is slow when I'm not using a VPN

I host a WordPress site which isn't behaving as I'd expect. Its taking an age to load, sometimes timing out before its finished. However, if I have my VPN (PIA) enabled, it loads immediately and is ...
1
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2answers
26 views

Why is serving cached content to logged in users against recommendations?

I am keen to get some more information on cached pages. I currently have a store through wordpress/woocommerce and use hummingbird to cache pages. On of the options is to opt to serve cached pages ...
2
votes
1answer
49 views

Is Google SEO mobile speed performance ranking per domain or per page?

Google announced that from July 2018 - Mobile speed is a ranking factor. While I am not sure how exactly this is measured, but google hints that the speed score is taken from the CrUX report. Google ...
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0answers
22 views

Performance Issues with Web App [closed]

I'm currently preparing the release of an online tool: example.net/configurator Unfortunately, I've got massive performance issues. I'm currently hosting at A2 Hosting which I actually thought to be ...
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2answers
36 views

Blog on subdirectory

I have a very simple doubt relate to blogs on subdirectories. I have a main website built with WordPress and I want a blog with it. When we read about the recommendation to put a blog on the ...
4
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2answers
64 views

Is combining / concatenation of CSS and JS technique considered deprecated?

Google used to recommend webmasters to combine external CSS and JS files to improve the page speed. One of these pages was here: https://developers.google.com/speed/docs/best-practices/rtt#...
2
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1answer
39 views

Can we improve site speed for Googlebot by directing it to its own dedicated server?

Is it possible to show different server to search engine bots and different server to users in order to improve page speed of the site, specially for a large E commerce website. Idea is to show same ...
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0answers
118 views

What does these two “median” words mean in this Page Speed Test result?

Here is a copy: First paragraph Data from the Chrome User Experience Report indicates this page's median FCP (1.7s) and DCL (1.8s) ranks it in the middle third of all pages. This page has a ...
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0answers
18 views

What could cause occasional continued 404 errors that were originally triggered by high website traffic?

I have a website where one page received huge traffic in one moment, causing errors 404. Next day, traffic returned to normal but some percent of this page visitors still receive this error (5-10%). ...
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0answers
279 views

3 seconds to TTFB in CloudFront

I'm trying to improve the speed of a site and I've noticed that it takes 3 seconds to download some images from CloudFront. To download a 18kb image it takes 3 seconds: And it's a Hit from ...
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1answer
65 views

How can you view user timing data in Google Analytics split by URL?

Let's say I have a custom user timing in Google Analytics, which represents the time it takes for each page to load all the images above the fold (or a variety of other metrics). Since the images on ...
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1answer
905 views

Does totally disabling cookies in my WordPress website malfunction Google Analytics?

I personally don't post any kind of external advertisements in any of my websites: Not Adsense, not anything. I just don't charge other organizations and companies to advertise in my websites and I ...
1
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1answer
27 views

IIS media server tuning (compression cache limit?)

I have an IIS server with hundreds of gigs of static media files (and no dynamic content). I've done what seem to be the usual steps: RAID tuning, reduce logging & debugging, disable unnecessary ...
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0answers
89 views

Webpagetest.org - does repeat view display browser cache?

In the documentation is written, to generate the repeat view webpagetest closes the browser and launches it again. Does it mean, the browser cache goes on restart empty and doesn't play any role on ...
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2answers
536 views

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 the above-the-fold content is the top 500px but can'...
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1answer
319 views

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.
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0answers
31 views

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 get 2 things here: Why graph is almost flat from 5 seconds to 11 seconds page ...
0
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1answer
21 views

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', what exactly does this mean and how do you go about identifying and solving this problem....
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1answer
61 views

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). I need to add another 4000 URLs, because every time we run out-of-stock I redirect the ...
0
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1answer
219 views

How can I encourage the browser to cache the HTML5 <video> 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"> <video controls preload="metadata" poster="/...
2
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1answer
267 views

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 when I view a web page over https when Cloudflare is ...
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0answers
32 views

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 is used for the Giveaways. The participant has to complete certain entries to get ...
1
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1answer
36 views

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... According to answers like this one, load times might be considered in these categories: ...
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0answers
20 views

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, Google Adwords/Remarketing etc. Is there a way I can optimize the ...
2
votes
1answer
129 views

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 connections" currently in use by the server. This is ...
3
votes
1answer
582 views

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 here to increase my page speed score by using gzip in nginx. The resulting config file is ...
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0answers
160 views

Slow website by Plesk [closed]

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 using Laravel framework. ...
1
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1answer
227 views

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 cookie-free? Or http://static.example.com would be cookie-free only in case if the website acts ...
5
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1answer
532 views

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 and CSS in above-the-fold content" The problem is that those "render blocking" assets are required ...
1
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1answer
33 views

Speeding up website [closed]

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 also used plugins like WordPress ...
4
votes
1answer
165 views

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 8 files at a time from website.com, why cant I just setup 2 ...
2
votes
1answer
70 views

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 than we are seeing on Hasoffers tracking platform. These are ...
1
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0answers
79 views

Cache-Control not being picked up by performance analysis tools for my website (Amazon CF/S3) [closed]

So, I have this website that is hosted in Amazon S3/CF and when I run any Performance analysis tool I get the following recommendation to set browser caching in some files: So, I set in (most of the ...
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0answers
25 views

“Site unreachable” when using asset parallelization with Cloudflare CDN [closed]

I use WordPress site with CDN (Cloudflare). I want to serve static files(images, js, and css) from a different static cookieless domain. I create subdomains in my DNS, but I can't add images or ...
0
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1answer
604 views

What image compressor Google Pagespeed Insights uses? [duplicate]

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 all images and upload one by one to my CMS image ...
1
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3answers
2k views

Is a huge style attribute bad for SEO?

I'm working on a website using wordpress. When opening Chrome's console (Ctrl+Maj+I), I couldn't help but notice a HUGE style attribute and tons of scripts directly written into the HTML document. ...
1
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1answer
56 views

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?
1
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1answer
3k views

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 file bootstrap.min.css as a render blocker. The file is located in my server. I'...