11
votes
Accepted
10 megabyte gzip limit in AWS Cloudfront?
This is a design limitation:
The file size must be between 1,000 and 10,000,000 bytes.
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/ServingCompressedFiles.html
...
- 911
5
votes
Labelling website as optimized
I don't think the modern search engines care about "older" phone compatibility. If the site is mobile-friendly in modern terms, the spiders will detect that and search engines that report it, will.
...
- 5,592
5
votes
Accepted
Why does PageSpeed Insights ask me to use next generation images when I am using Cloudflare Polish?
The answer lies in the fact that Google uses a different image file converter than Cloudflare does.
Cloudflare Polish will not convert any image which it decides will be larger after the conversion.
...
- 211
4
votes
Local files vs. CDN
Hosting on a CDN has many disadvantages:
Privacy. Everytime you go to a site that hosts scripts/stylesheets/fonts on a CDN, the CDN knows about you visiting the site.
Offline time. In the last weeks ...
- 149
4
votes
SEO-friendly way to pass multiple values in a URL parameter
You shouldn't try to make faceted navigation SEO friendly. No matter how you do it, it isn't going to be. Faceted navigation is for users once they get to your site, not for getting your content ...
- 99.3k
3
votes
Accepted
Is there any point to compressing HTML when using GZIP?
Your files will be smaller if you minify them before using gzip.
Gzip isn't perfect compression. It doesn't remove remove all the redundancy that minifying does.
Gzip is lossless compression. ...
- 99.3k
3
votes
Is there a way to track internet connection speeds with Google Analytics?
It is kind of possible. Allow me to explain:
It is possible to attempt to measure visitor bandwidth using Javascript, but the results won't be reliably accurate. Additionally, this would also make ...
- 312
3
votes
Whats a typical exit rate?
I think you might be thinking of Bounce Rate rather than Exit Rate. Bounce Rate, which has specific industry benchmarks, is where a user lands on a page and exits the website without going to any ...
- 5,246
3
votes
Accepted
How much recyling CSS makes my website faster?
The only part of that, where the browser would work harder, is having to parse the extra few characters for each selector. Insignificantly so because the majority of the work is done on creating a CSS ...
- 4,639
3
votes
Does it ever make sense to use Javascript for highly repetitive HTML?
Yes, it often makes sense to construct the DOM with JavaScript on the frontend rather than serving it directly as HTML. For example it is common for a server API to send data as JSON which is then ...
- 131
3
votes
Accepted
Why does Google, in it's Page Insights tool, advise to use WebP images which don't work in all browsers?
Since WebP is an efficient file format, and Google serves up a lot of images to users, Google has a vested interest in getting WebP supported by all major browsers so that they no longer have to serve ...
- 16.3k
3
votes
Does content below the fold affect CLS (cumulative layout shift) score?
The lighthouse CLS score is calculated based on the current viewport it is being tested in.
For example, if you test your site on a 1366px monitor and then on a 1920px monitor, the scores may be ...
- 164
3
votes
How to work with image sizes for different resolutions for a website?
srcset
The srcset and sizes attributes on img (or source) elements allow authors to define various image resources and "hints" that assist a user agent to determine the most appropriate ...
- 6,549
3
votes
Condensing size for language variations while remaining good with SEO
Hreflang through JS won't be properly read by Google, but there is a good solution. Place the language versions in the sitemap.xml, as even Google recommends. In my personal experience, this is an ...
- 894
3
votes
Accepted
Condensing size for language variations while remaining good with SEO
If you move your hreflang tags to JavaScript and place them at the bottom of your pages, search engines might not recognize them as effectively. While Google is capable of rendering JavaScript and can ...
- 101
2
votes
Image Optimization : Can i use same image for thumbnail(180*110) and small thubmail (80*55) in web
SEO: Using the same file and css to reduce the resolution will not impact your SEO.
SPEED: Using the same file will reduce the server-side requests which will speed up your server and save bandwidth ...
- 33k
2
votes
Accepted
How to decrease HTTPs redirect wait time?
How can I reduce the redirect time?
I use a wordpress plugin to redirect my website to HTTPs...
Wordpress is generally driven by the PHP scripting language. PHP is 3rd party software that is called ...
- 13.6k
2
votes
Optimisation test services allude to 'inline script block #5', what does this mean
As noted in Seb's comment immediately under the question, this indicates there is a script or asset request blocking your page being rendered.
More than likely, it is a javascript or css call for a ...
- 646
2
votes
Sitewide A/B or Sanity Test
The only way to do A/B testing without affecting SEO traffic is redirecting users and search bots to a different temporary URL that have the changes on.
On these test URLs you would have a canonical ...
- 6,147
2
votes
Is there any reason I don't see many people use media attribute inside link tag?
This technique isn't pointless at all, it can be used to optimize the Critical Rendering Path, which will reduce the time to first render and also help your website pass the Lighthouse test.
Both ...
- 121
2
votes
Accepted
How can I combining many external Javascript scripts into one?
You create a single file with all the CSS. You create a single file containing the contents of all the JavaScript. You remove the links to all the css and JS from your pages and replace it with:
&...
- 99.3k
2
votes
How can I optimize Google Analytics for GTmetrix?
It's a real pain that Google reccomends this on their own products. I have looked into doing this before and I have found a couple of solutions but nothing is perfect and i've found that having a 100/...
- 301
2
votes
SEO | Cloaking | Is it safe to remove Third-party / Analytical scripts for crawlers/bots? Is this considered as cloaking?
Yes, that is cloaking. Googlebot should see the exact same page that users see. Google understands javascript and you are denying Google a chance to process the same to determine if the scripts modify ...
- 2,343
1
vote
How can I use cookie-free domains with Microsoft Azure portal?
Using cookie free domains has very little to do with the web server that you are using. It is a technique for not sending cookie data when fetching static assets such as images, JavaScript, and CSS. ...
- 99.3k
1
vote
How can I use cookie-free domains with Microsoft Azure portal?
I do not know Azure or Sitecore, however, I did do some poking around and this is what I found.
While it appears that some sitecore cookies can be disabled such as analytics, I see no reference to ...
- 32.9k
1
vote
Accepted
Add Expires headers in GTmetrix
is it OK these js files to be saved in my server
Sure. You must only seriously care about updates. Google doesn't recommend to host such files locally - the only cause for it is that the most users ...
- 10.1k
1
vote
Accepted
Is there any reason I don't see many people use media attribute inside link tag?
It's pointless due to the fact all style-sheets will be downloaded on all devices, even if they are above the max-width:, so, mobile.css is downloaded on desktop, and desktop will be downloaded on ...
- 33k
1
vote
Lazy loading website sections and SEO
The purpose of the point is to provide content for Google robots. ... The content is hidden behind overlay
Any cloaking / hiding, text filling / stuffing is def not a good idea and you could easily ...
- 405
1
vote
Lazy loading website sections and SEO
Your practice is absolutely fine, however, you'll have to check, what Google Bot fetches for your site/URL.
If your logic is doing something like: upon any event, attach/append content and display, ...
- 988
Only top scored, non community-wiki answers of a minimum length are eligible