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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2answers
39 views

Site speed using web fonts - Self-hosted vs Google Fonts etc

Whilst looking for the right solution for me, I have been looking at the question here Using fonts on websites: Webfonts vs downloaded fonts, and one of the answerers states: The information given to ...
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1answer
37 views

Can I rely on Google Lighthouse reports (especially for mobile sites)?

We have started to use Lighthouse to track the improvements we make to our sites. While this seems to work quite well for desktop sites, i.e. we see the values improve over time and as we make changes,...
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1answer
22 views

Adsense TOS regarding preconnecting origins

Is it against adsense TOS if I preconnect origins like pagead2.googlesyndication.com, googleads.g.doubleclick.net, tpc.googlesyndication.com and others that are commonly used by adsense? The ...
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3answers
46 views

Would it introduce lag and bad user experience to host a website with two hosting companies?

I'm developing a website for a customer that has two companies, but the two are closely related. The customer wants two separate sites that look and function as one site as far as users are concerned. ...
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1answer
40 views

PageSpeed is A, 91% but Fully Load Time is 4.8 Seconds

As my title suggests there is, to me, a discrepancy with the A Rating I received. My site using GMetrix ranks very high but the "Page Load" seems very slow. Why isn't that bringing down my ...
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0answers
29 views

Time to FCP changes based on order of <h2> and <p> tags

I was troubleshooting why one particular page took a full second longer to reach FCP compared to similar pages for mobile according to Google's Page Insights. The difference ended up being the order ...
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61 views

How to measure processes in Total Blocking Time in Google PageSpeed?

I am trying to measure specific TBT as outlined in Google's documentation The Total Blocking Time (TBT) metric measures the total amount of time between First Contentful Paint (FCP) and Time to ...
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111 views

Largest contentful paint (LCP)>2.5

Google (GSC) has flagged almost half of my content as taking longer than 2.5 seconds to LCP on mobile. I've spent several days trying to optimize my site to reduce the time it takes, but I can't get ...
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1answer
22 views

What is 'Research Online' as displayed in Chrome Dev Tools Lighthouse?

When I run a Lighthouse performance audit on our site, one of the 'Opportunities' it flags is to 'Reduce the impact of third-party code'. It lists all the third-party code used by our site, however ...
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2answers
44 views

Why adding facebook pixel code reduces the score on gtmetrix?

My score website on gtmetrix is A. When I add facebook pixel code, the scrore is B Look at this : How can I solve this problem? I want to add the Facebook pixel code on my website, but I don't want ...
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9 views

Are a large SVG and a small SVG whose viewBox blows up its contents equal, with regards to perfomance?

I have a potentially large yet rather simple <svg> document inside my page. It contains the graphical elements of my web app. Its width and height are currently as big as the visible portion of ...
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2answers
31 views

Why does Google, in it's Page Insights tool, advise to use WebP images which don't work in all browsers?

I recently swapped all of the images on my web with WebP compressed images and the Page Insights score got as high as 97. However, I found out my page doesn't work on IE, Safari and Firefox (all other ...
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1answer
25 views

Speeding up loading time of large html file [closed]

I am hosting a static web page, which you can visit at nswcorona.imfast.io. It is a very large index.html file with many elements (displaying geo-data), and takes about 10-15 seconds to load. I am new ...
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1answer
30 views

Performance: 10.000 files in one folder vs. 10.000 files in several folders

On my webspace I have a single folder with 10.0000 images. Is there any difference in performance if I organize them in subfolders? So instead of one folder /images I will have 1.000 folders /images/...
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33 views

How can I enable compression of 3rd party scripts to get a better Gtmetrix score?

If I test my website on the Gtmetrix, there appear like this :
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1answer
33 views

Not Hiding but REMOVING content for mobile

I understand using media queries and display:none to hide content for mobile. The problem is that the content still downloads. I found this older post that has a similar issue, but hoping for more ...
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10 views

Manually adjustment of the crawl rate after boost of the “Time Spent Downloading a page”?

I started to use Cloudflare, and automatically the "Time Spent Downloading a page" increased from 180 ms to 610 ms. It started to hurt the Crawl Budget of my website, which has 2,000,000+ pages. I ...
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1answer
195 views

How to use Lighthouse scoring Guide for Accessibility Audit?

I am working on scoring improvement on Accessibility Audit in Lighthouse. My client's site has an accessibility score of 60 and they aim to get it 90+. I performed the Audit using Google Lighthouse ...
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2answers
57 views

What is “ineedthispage”? Where is it coming from? It is killing the server

I am seeing the following in my "access_log": ip.address.output.here - - [12/Dec/2019:15:17:07 +0000] "GET /pathto/article/15104133/?ineedthispage=yes&ineedthispage=yes&ineedthispage=yes&...
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3answers
76 views

How can I determine if my site speed is affecting my conversions?

I need to convince my team that our load times are way too high. Load times for the /cart is around 10 seconds and load times for individual pages are around 6 seconds. I've seen all the studies about ...
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0answers
14 views

Start Time of Page Load in Page Timings in Google Analytics

What's the start event for the 'Page Load Time' in the 'Page Timings' report? I've read that GA uses NavigationTiming API. Is it v1? Is the start event performance.timing.navigationStart? Also, what'...
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2answers
107 views

Do VPSs guarantee resources (CPU, memory) ? Or are they like a shared host (in terms of resources) but you can also manage your own site?

Shared hosts usually don't guarantee resources, they just say unlimited bandwith and things like that and the performance is best effort. Is it different with a VPS? For example, it says 1 vCores, ...
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11 views

Are there any disadvantages of static sites compared to dynamic ones if we consider sites with a few thousands of pages and mostly static content? [duplicate]

I always thought static sites are not practical, because you have to regenerate lots of pages if you change something, but recently I read more about them and learned that performance oriented static ...
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31 views

Does “Last Painted Hero” time have an impact on SEO and search engine rankings?

Does "Last Painted Hero" (LPH) time have an impact on SEO and search engine rankings? For instance, a 3rd party vendor decreased our LPH time from 16.200s to 1.200s. We're running a separate SEO ...
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1answer
32 views

Using the clicks/impressions list from Google Search Console

Google Search Console → Performance → Queries shows these in the clicks/impressions list for my site: non A Cs 2,066 7,181 non-A Cs 679 2,410 non-A C ...
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1answer
235 views

How can I optimize Google Analytics for GTmetrix?

I'm optimizing my website using GTmetrix and I've got good grades, but it's still not perfect. Look at this image for PageSpeed: And this one for YSlow: The picture shows that my value is not ...
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2answers
950 views

Can it save the google tag manager script in an external js file?

My default index html like this : <html> <head> <meta name="google-site-verification" content="****************" /> <script async src="https://www.googletagmanager.com/...
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0answers
40 views

How can I improve performance score website in the gtmetrix? [closed]

I test my web with gtmetrix. The result like this : I want to improve grade of add expires headers, compress component with gzip and all recommendation which has a bad grade How can I do it? ...
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3answers
12k views

How do I add the an expires header for external URL components as suggested by GTmetrix and YSlow?

I am trying to decrease the loading time of my website which is hosted in Bluehost. So when I check the performance scores via GTmetrix under YSlow section it mention to "Add expire headers" for four ...
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2answers
141 views

Does domain registrar performance matter?

Can performance matter between multiple domain registrars? What should one measure to determine which registrar is more performant? The shared hosting will be at a separate provider so I will use the ...
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1answer
71 views

Is storing common static pages in a database bad practice?

I am wondering whether it is bad practice to store commonly used standard static webpages such as the home page, 'contact us' page, login page, etc. in a database instead of as static files saved on ...
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1answer
55 views

What do the browser performance acronyms “HRBR” “TTFCP” & “RTT” mean?

They're used in this article on resource hints: https://medium.com/reloading/a-link-rel-preload-analysis-from-the-chrome-data-saver-team-5edf54b08715 I can't find then used anywhere else though, nor ...
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1answer
33 views

How am I supposed to add support for “next-gen” formatted images?

No matter how much unnecessary css/js or general load time I shave off my website, Google Audits always penalises me massively for not using "next-gen formats" such as JPEG2000, JPEGXR and WebP in my ...
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1answer
74 views

Does having a lot of 301 redirects noticably impact performance?

I just moved my website to Wordpress from another service. Unfortunately, this means that although I was able to import all of my previous content to Wordpress, the post permalinks are now entirely ...
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1answer
72 views

MediaWiki: Enable text compression

From a Google Pagespeed Insights test it seems my MediaWiki website lacks text-compression; reading about this, it seems I lack this because I don't have Gzip compression on. I Ran this gzip test and ...
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0answers
90 views

MediaWiki: Remove debug query strings (/load.php?debug=" )

When I run a Google PageSpeed insights test I get problem reports for various long URLs with query strings for /load.php?debug=. These problem reports appear for the loading of any webpage whatsoever....
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2answers
499 views

What are the disadvantages of having all your images lazy loaded?

That would increase the amount of requests but also improve the webpage speed loading time. Google just advice to avoid to downloading offscreen images as part of the initial page load, but what are ...
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0answers
28 views

Does wordpress give a disadvantage to your page speed score?

I have a website for instance that only contains the default "Hello World" and other headers and internal links as it is a new wordpress installation. It uses the Twenty Nineteen theme which I believe ...
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0answers
99 views

What does it mean to have “Web browser is waiting for data from the server” high on a speed test site. I have 21560.1s in wait time? [duplicate]

The web page took 22792 ms to load, used 119 requests, and weighed in at 1.7 MB. The Google Page Speed performance grade for this web page is 70/100. I'm looking to decrease my load times, but am ...
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1answer
1k views

Why is converting images from jpeg to jpeg2000 making them larger when it is supposed to help my loading speed?

www.thinkwithgoogle.com says my website is slow (3.9sec loading speed, yea it's truly slow...). To increase loading speed it tells me to use "next-gen" format for my pictures, e.g. jpeg2000 instead of ...
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0answers
38 views

What is 'User Time' in web page speed tests?

I am running a few tests on my site's speed using https://webpagetest.org. I noticed a metric in there called 'User Time'. Tried Googling and looking through the site documentation but could not find ...
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1answer
227 views

Should we improve time to first byte or Page Speed Insights score for SEO?

Google posted last summer that "page speed" will impact the search result rankings also on mobile devices. But I think there is a little confusion about the term "page speed". The test tool which ...
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1answer
74 views

Reduce CloudFlare Wait Time

I installed CloudFlare as a test to one domain on my server, supposing it would be quicker. But it's not. The waiting time (I think, otherwise known as time to first byte) has gone up considerably. ...
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2answers
453 views

How to find which script is causing my website to keep loading

When loading my website in Google Chrome, I sometimes have the issue that the website just keeps loading. I think it has something to do with a request to Google Ads, but I'm not sture. I thought I ...
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1answer
21 views

Wordpress Site Loading Speed to Slow: 8.13s [closed]

My wordpress website is extremely slow on loading the page. It's takin 8.3 seconds from Frankfurt sometimes more. I am using Bluehost and I have heard it's slower but this seems too much... You can ...
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3answers
361 views

Suggestion to improve slow Wordpress page

So The website on the company I work on, has issues with delayed homepage loading times. Obviously I suggested to remove a few features from the first page, but I am afraid that all the included ...
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1answer
32 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
888 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 ...
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1answer
469 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?
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2answers
87 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 ...

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